diff --git a/Cargo.lock b/Cargo.lock
index 375a1a2..6d16440 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -69,9 +69,9 @@ dependencies = [
 
 [[package]]
 name = "aho-corasick"
-version = "0.7.19"
+version = "0.7.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4f55bd91a0978cbfd91c457a164bab8b4001c833b7f323132c0a4e1922dd44e"
+checksum = "cc936419f96fa211c1b9166887b38e5e40b19958e5b895be7c1f93adec7071ac"
 dependencies = [
  "memchr",
 ]
@@ -116,9 +116,9 @@ checksum = "5f093eed78becd229346bf859eec0aa4dd7ddde0757287b2b4107a1f09c80002"
 
 [[package]]
 name = "async-channel"
-version = "1.7.1"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e14485364214912d3b19cc3435dde4df66065127f05fa0d75c712f36f12c2f28"
+checksum = "cf46fee83e5ccffc220104713af3292ff9bc7c64c7de289f66dae8e38d826833"
 dependencies = [
  "concurrent-queue",
  "event-listener",
@@ -137,23 +137,23 @@ dependencies = [
 
 [[package]]
 name = "async-executor"
-version = "1.4.1"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "871f9bb5e0a22eeb7e8cf16641feb87c9dc67032ccf8ff49e772eb9941d3a965"
+checksum = "17adb73da160dfb475c183343c8cccd80721ea5a605d3eb57125f0a7b7a92d0b"
 dependencies = [
+ "async-lock",
  "async-task",
  "concurrent-queue",
  "fastrand",
  "futures-lite",
- "once_cell",
  "slab",
 ]
 
 [[package]]
 name = "async-global-executor"
-version = "2.3.0"
+version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0da5b41ee986eed3f524c380e6d64965aea573882a8907682ad100f7859305ca"
+checksum = "f1b6f5d7df27bd294849f8eec66ecfc63d11814df7a4f5d74168a2394467b776"
 dependencies = [
  "async-channel",
  "async-executor",
@@ -182,31 +182,32 @@ dependencies = [
 
 [[package]]
 name = "async-io"
-version = "1.9.0"
+version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "83e21f3a490c72b3b0cf44962180e60045de2925d8dff97918f7ee43c8f637c7"
+checksum = "8c374dda1ed3e7d8f0d9ba58715f924862c63eae6849c92d3a18e7fbde9e2794"
 dependencies = [
+ "async-lock",
  "autocfg",
  "concurrent-queue",
  "futures-lite",
  "libc",
  "log",
- "once_cell",
  "parking",
  "polling",
  "slab",
  "socket2",
  "waker-fn",
- "winapi",
+ "windows-sys",
 ]
 
 [[package]]
 name = "async-lock"
-version = "2.5.0"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e97a171d191782fba31bb902b14ad94e24a68145032b7eedf871ab0bc0d077b6"
+checksum = "c8101efe8695a6c17e02911402145357e718ac92d3ff88ae8419e84b1707b685"
 dependencies = [
  "event-listener",
+ "futures-lite",
 ]
 
 [[package]]
@@ -217,20 +218,20 @@ checksum = "72faff1fdc615a0199d7bf71e6f389af54d46a66e9beb5d76c39e48eda93ecce"
 
 [[package]]
 name = "async-process"
-version = "1.5.0"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "02111fd8655a613c25069ea89fc8d9bb89331fa77486eb3bc059ee757cfa481c"
+checksum = "6381ead98388605d0d9ff86371043b5aa922a3905824244de40dc263a14fcba4"
 dependencies = [
  "async-io",
+ "async-lock",
  "autocfg",
  "blocking",
  "cfg-if",
  "event-listener",
  "futures-lite",
  "libc",
- "once_cell",
  "signal-hook",
- "winapi",
+ "windows-sys",
 ]
 
 [[package]]
@@ -303,9 +304,9 @@ checksum = "7a40729d2133846d9ed0ea60a8b9541bccddab49cd30f0715a1da672fe9a2524"
 
 [[package]]
 name = "async-trait"
-version = "0.1.58"
+version = "0.1.59"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e805d94e6b5001b651426cf4cd446b1ab5f319d27bab5c644f61de0a804360c"
+checksum = "31e6e93155431f3931513b243d371981bb2770112b370c82745a1d19d2f99364"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -373,11 +374,11 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "blake2"
-version = "0.10.4"
+version = "0.10.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9cf849ee05b2ee5fba5e36f97ff8ec2533916700fc0758d40d92136a42f3388"
+checksum = "b12e5fd123190ce1c2e559308a94c9bacad77907d4c6005d9e58fe1a0689e55e"
 dependencies = [
- "digest 0.10.5",
+ "digest 0.10.6",
 ]
 
 [[package]]
@@ -400,16 +401,16 @@ dependencies = [
 
 [[package]]
 name = "blocking"
-version = "1.2.0"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c6ccb65d468978a086b69884437ded69a90faab3bbe6e67f242173ea728acccc"
+checksum = "3c67b173a56acffd6d2326fb7ab938ba0b00a71480e14902b2591c87bc5741e8"
 dependencies = [
  "async-channel",
+ "async-lock",
  "async-task",
  "atomic-waker",
  "fastrand",
  "futures-lite",
- "once_cell",
 ]
 
 [[package]]
@@ -435,21 +436,15 @@ checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
 [[package]]
 name = "bytes"
-version = "1.2.1"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec8a7b6a70fde80372154c65702f00a0f56f3e1c36abbc6c440484be248856db"
-
-[[package]]
-name = "cache-padded"
-version = "1.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1db59621ec70f09c5e9b597b220c7a2b43611f4710dc03ceb8748637775692c"
+checksum = "dfb24e866b15a1af2a1b663f10c6b6b8f397a84aadb828f12e5b289ec23a3a3c"
 
 [[package]]
 name = "cc"
-version = "1.0.73"
+version = "1.0.77"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2fff2a6927b3bb87f9595d67196a70493f627687a71d87a0d692242c33f58c11"
+checksum = "e9f73505338f7d905b19d18738976aae232eb46b8efc15554ffc56deb5d9ebe4"
 
 [[package]]
 name = "cfg-if"
@@ -459,9 +454,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "chrono"
-version = "0.4.22"
+version = "0.4.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bfd4d1b31faaa3a89d7934dbded3111da0d2ef28e3ebccdb4f0179f5929d1ef1"
+checksum = "16b0a3d9ed01224b22057780a37bb8c5dbfe1be8ba48678e7bf57ec4b385411f"
 dependencies = [
  "iana-time-zone",
  "num-integer",
@@ -503,9 +498,9 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "4.0.18"
+version = "4.0.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "335867764ed2de42325fafe6d18b8af74ba97ee0c590fa016f157535b42ab04b"
+checksum = "4d63b9e9c07271b9957ad22c173bae2a4d9a81127680962039296abcd2f8251d"
 dependencies = [
  "bitflags",
  "clap_derive",
@@ -515,9 +510,9 @@ dependencies = [
 
 [[package]]
 name = "clap_derive"
-version = "4.0.18"
+version = "4.0.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "16a1b0f6422af32d5da0c58e2703320f379216ee70198241c84173a8c5ac28f3"
+checksum = "0177313f9f02afc995627906bbd8967e2be069f5261954222dac78290c2b9014"
 dependencies = [
  "heck",
  "proc-macro-error",
@@ -557,11 +552,11 @@ dependencies = [
 
 [[package]]
 name = "concurrent-queue"
-version = "1.2.4"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af4780a44ab5696ea9e28294517f1fffb421a83a25af521333c838635509db9c"
+checksum = "bd7bef69dc86e3c610e4e7aed41035e2a7ed12e72dd7530f61327a6579a4390b"
 dependencies = [
- "cache-padded",
+ "crossbeam-utils",
 ]
 
 [[package]]
@@ -629,9 +624,9 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-epoch"
-version = "0.9.11"
+version = "0.9.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f916dfc5d356b0ed9dae65f1db9fc9770aa2851d2662b988ccf4fe3516e86348"
+checksum = "01a9af1f4c2ef74bb8aa1f7e19706bc72d03598c8a570bb5de72243c7a9d9d5a"
 dependencies = [
  "autocfg",
  "cfg-if",
@@ -642,9 +637,9 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.8.12"
+version = "0.8.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edbafec5fa1f196ca66527c1b12c2ec4745ca14b50f1ad8f9f6f720b55d11fac"
+checksum = "4fb766fa798726286dbbb842f174001dab8abc7b627a1dd86e0b7222a95d929f"
 dependencies = [
  "cfg-if",
 ]
@@ -690,9 +685,9 @@ dependencies = [
 
 [[package]]
 name = "cxx"
-version = "1.0.80"
+version = "1.0.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b7d4e43b25d3c994662706a1d4fcfc32aaa6afd287502c111b237093bb23f3a"
+checksum = "bdf07d07d6531bfcdbe9b8b739b104610c6508dcc4d63b410585faf338241daf"
 dependencies = [
  "cc",
  "cxxbridge-flags",
@@ -702,9 +697,9 @@ dependencies = [
 
 [[package]]
 name = "cxx-build"
-version = "1.0.80"
+version = "1.0.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "84f8829ddc213e2c1368e51a2564c552b65a8cb6a28f31e576270ac81d5e5827"
+checksum = "d2eb5b96ecdc99f72657332953d4d9c50135af1bac34277801cc3937906ebd39"
 dependencies = [
  "cc",
  "codespan-reporting",
@@ -717,15 +712,15 @@ dependencies = [
 
 [[package]]
 name = "cxxbridge-flags"
-version = "1.0.80"
+version = "1.0.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e72537424b474af1460806647c41d4b6d35d09ef7fe031c5c2fa5766047cc56a"
+checksum = "ac040a39517fd1674e0f32177648334b0f4074625b5588a64519804ba0553b12"
 
 [[package]]
 name = "cxxbridge-macro"
-version = "1.0.80"
+version = "1.0.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "309e4fb93eed90e1e14bea0da16b209f81813ba9fc7830c20ed151dd7bc0a4d7"
+checksum = "1362b0ddcfc4eb0a1f57b68bd77dd99f0e826958a96abd0ae9bd092e114ffed6"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -734,9 +729,9 @@ dependencies = [
 
 [[package]]
 name = "darling"
-version = "0.14.1"
+version = "0.14.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4529658bdda7fd6769b8614be250cdcfc3aeb0ee72fe66f9e41e5e5eb73eac02"
+checksum = "b0dd3cd20dc6b5a876612a6e5accfe7f3dd883db6d07acfbf14c128f61550dfa"
 dependencies = [
  "darling_core",
  "darling_macro",
@@ -744,9 +739,9 @@ dependencies = [
 
 [[package]]
 name = "darling_core"
-version = "0.14.1"
+version = "0.14.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "649c91bc01e8b1eac09fb91e8dbc7d517684ca6be8ebc75bb9cafc894f9fdb6f"
+checksum = "a784d2ccaf7c98501746bf0be29b2022ba41fd62a2e622af997a03e9f972859f"
 dependencies = [
  "fnv",
  "ident_case",
@@ -758,9 +753,9 @@ dependencies = [
 
 [[package]]
 name = "darling_macro"
-version = "0.14.1"
+version = "0.14.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ddfc69c5bfcbd2fc09a0f38451d2daf0e372e367986a83906d1b0dbc88134fb5"
+checksum = "7618812407e9402654622dd402b0a89dff9ba93badd6540781526117b92aab7e"
 dependencies = [
  "darling_core",
  "quote",
@@ -777,7 +772,7 @@ dependencies = [
  "hashbrown",
  "lock_api",
  "once_cell",
- "parking_lot_core 0.9.4",
+ "parking_lot_core 0.9.5",
 ]
 
 [[package]]
@@ -828,9 +823,9 @@ dependencies = [
 
 [[package]]
 name = "digest"
-version = "0.10.5"
+version = "0.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "adfbc57365a37acbd2ebf2b64d7e69bb766e2fea813521ed536f5d0520dcf86c"
+checksum = "8168378f4e5023e7218c89c891c0fd8ecdb5e5e4f18cb78f38cf245dd021e76f"
 dependencies = [
  "block-buffer 0.10.3",
  "crypto-common",
@@ -863,6 +858,17 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "212d0f5754cb6769937f4501cc0e67f4f4483c8d2c3e1e922ee9edbe4ab4c7c0"
 
+[[package]]
+name = "displaydoc"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3bf95dc3f046b9da4f2d51833c0d3547d8564ef6910f5c1ed130306a75b92886"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "either"
 version = "1.8.0"
@@ -918,6 +924,40 @@ dependencies = [
  "web-sys",
 ]
 
+[[package]]
+name = "fluent-bundle"
+version = "0.15.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e242c601dec9711505f6d5bbff5bedd4b61b2469f2e8bb8e57ee7c9747a87ffd"
+dependencies = [
+ "fluent-langneg",
+ "fluent-syntax",
+ "intl-memoizer",
+ "intl_pluralrules",
+ "rustc-hash",
+ "self_cell",
+ "smallvec",
+ "unic-langid",
+]
+
+[[package]]
+name = "fluent-langneg"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c4ad0989667548f06ccd0e306ed56b61bd4d35458d54df5ec7587c0e8ed5e94"
+dependencies = [
+ "unic-langid",
+]
+
+[[package]]
+name = "fluent-syntax"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c0abed97648395c902868fee9026de96483933faa54ea3b40d652f7dfe61ca78"
+dependencies = [
+ "thiserror",
+]
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
@@ -1137,9 +1177,9 @@ dependencies = [
 
 [[package]]
 name = "gloo-timers"
-version = "0.2.4"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5fb7d06c1c8cc2a29bee7ec961009a0b2caa0793ee4900c2ffb348734ba1c8f9"
+checksum = "98c4a8d6391675c6b2ee1a6c8d06e8e2d03605c44cec1270675985a4c2a5500b"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -1286,9 +1326,9 @@ checksum = "02296996cb8796d7c6e3bc2d9211b7802812d36999a51bb754123ead7d37d026"
 
 [[package]]
 name = "hyper"
-version = "0.14.20"
+version = "0.14.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "02c929dc5c39e335a03c405292728118860721b10190d98c2a0f0efd5baafbac"
+checksum = "034711faac9d2166cb1baf1a2fb0b60b1f277f8492fd72176c17f3515e1abd3c"
 dependencies = [
  "bytes",
  "futures-channel",
@@ -1310,9 +1350,9 @@ dependencies = [
 
 [[package]]
 name = "hyper-rustls"
-version = "0.23.0"
+version = "0.23.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d87c48c02e0dc5e3b849a2041db3029fd066650f8f717c07bf8ed78ccb895cac"
+checksum = "59df7c4e19c950e6e0e868dcc0a300b09a9b88e9ec55bd879ca819087a77355d"
 dependencies = [
  "http",
  "hyper",
@@ -1323,9 +1363,9 @@ dependencies = [
 
 [[package]]
 name = "iana-time-zone"
-version = "0.1.51"
+version = "0.1.53"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f5a6ef98976b22b3b7f2f3a806f858cb862044cfa66805aa3ad84cb3d3b785ed"
+checksum = "64c122667b287044802d6ce17ee2ddf13207ed924c712de9a66a5814d5b64765"
 dependencies = [
  "android_system_properties",
  "core-foundation-sys",
@@ -1381,9 +1421,9 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "1.9.1"
+version = "1.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10a35a97730320ffe8e2d410b5d3b69279b98d2c14bdb8b70ea89ecf7888d41e"
+checksum = "1885e79c1fc4b10f0e172c475f458b7f7b93061064d98c3293e98c5ba0c8b399"
 dependencies = [
  "autocfg",
  "hashbrown",
@@ -1406,10 +1446,29 @@ dependencies = [
 ]
 
 [[package]]
-name = "ipnet"
-version = "2.5.0"
+name = "intl-memoizer"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "879d54834c8c76457ef4293a689b2a8c59b076067ad77b15efafbb05f92a592b"
+checksum = "c310433e4a310918d6ed9243542a6b83ec1183df95dff8f23f87bb88a264a66f"
+dependencies = [
+ "type-map",
+ "unic-langid",
+]
+
+[[package]]
+name = "intl_pluralrules"
+version = "7.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "078ea7b7c29a2b4df841a7f6ac8775ff6074020c6776d48491ce2268e068f972"
+dependencies = [
+ "unic-langid",
+]
+
+[[package]]
+name = "ipnet"
+version = "2.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f88c5561171189e69df9d98bcf18fd5f9558300f7ea7b801eb8a0fd748bd8745"
 
 [[package]]
 name = "itertools"
@@ -1470,9 +1529,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.136"
+version = "0.2.138"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "55edcf6c0bb319052dea84732cf99db461780fd5e8d3eb46ab6ff312ab31f197"
+checksum = "db6d7e329c562c5dfab7a46a2afabc8b987ab9a4834c9d1ca04dc54c1546cef8"
 
 [[package]]
 name = "link-cplusplus"
@@ -1601,9 +1660,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "memoffset"
-version = "0.6.5"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5aa361d4faea93603064a027415f07bd8e1d5c88c9fbf68bf56a285428fd79ce"
+checksum = "5de893c32cde5f383baa4c04c5d6dbdd735cfd4a794b0debdb2bb1b421da5ff4"
 dependencies = [
  "autocfg",
 ]
@@ -1647,9 +1706,9 @@ dependencies = [
 
 [[package]]
 name = "num_cpus"
-version = "1.13.1"
+version = "1.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "19e64526ebdee182341572e50e9ad03965aa510cd94427a4549448f285e957a1"
+checksum = "f6058e64324c71e02bc2b150e4f3bc8286db6c83092132ffa3f6b1eab0f9def5"
 dependencies = [
  "hermit-abi",
  "libc",
@@ -1657,9 +1716,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.15.0"
+version = "1.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e82dad04139b71a90c080c8463fe0dc7902db5192d939bd0950f074d014339e1"
+checksum = "86f0b0d4bf799edbc74508c1e8bf170ff5f41238e5f8225603ca7caaae2b7860"
 
 [[package]]
 name = "opaque-debug"
@@ -1669,9 +1728,9 @@ checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
 [[package]]
 name = "os_str_bytes"
-version = "6.3.0"
+version = "6.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ff7415e9ae3fff1225851df9e0d9e4e5479f947619774677a63572e55e80eff"
+checksum = "9b7820b9daea5457c9f21c69448905d723fbd21136ccf521748f23fd49e723ee"
 
 [[package]]
 name = "parking"
@@ -1706,9 +1765,9 @@ dependencies = [
 
 [[package]]
 name = "parking_lot_core"
-version = "0.9.4"
+version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4dc9e0dc2adc1c69d09143aff38d3d30c5c3f0df0dad82e6d25547af174ebec0"
+checksum = "7ff9f3fef3968a3ec5945535ed654cb38ff72d7495a25619e2247fb15a2ed9ba"
 dependencies = [
  "cfg-if",
  "libc",
@@ -1745,9 +1804,9 @@ checksum = "478c572c3d73181ff3c2539045f6eb99e5491218eae919370993b890cdbdd98e"
 
 [[package]]
 name = "pest"
-version = "2.4.0"
+version = "2.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dbc7bc69c062e492337d74d59b120c274fd3d261b6bf6d3207d499b4b379c41a"
+checksum = "cc8bed3549e0f9b0a2a78bf7c0018237a2cdf085eecbbc048e52612438e4e9d0"
 dependencies = [
  "thiserror",
  "ucd-trie",
@@ -1755,9 +1814,9 @@ dependencies = [
 
 [[package]]
 name = "pest_derive"
-version = "2.4.0"
+version = "2.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60b75706b9642ebcb34dab3bc7750f811609a0eb1dd8b88c2d15bf628c1c65b2"
+checksum = "cdc078600d06ff90d4ed238f0119d84ab5d43dbaad278b0e33a8820293b32344"
 dependencies = [
  "pest",
  "pest_generator",
@@ -1765,9 +1824,9 @@ dependencies = [
 
 [[package]]
 name = "pest_generator"
-version = "2.4.0"
+version = "2.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4f9272122f5979a6511a749af9db9bfc810393f63119970d7085fed1c4ea0db"
+checksum = "28a1af60b1c4148bb269006a750cff8e2ea36aff34d2d96cf7be0b14d1bed23c"
 dependencies = [
  "pest",
  "pest_meta",
@@ -1778,9 +1837,9 @@ dependencies = [
 
 [[package]]
 name = "pest_meta"
-version = "2.4.0"
+version = "2.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c8717927f9b79515e565a64fe46c38b8cd0427e64c40680b14a7365ab09ac8d"
+checksum = "fec8605d59fc2ae0c6c1aefc0c7c7a9769732017c0ce07f7a9cfffa7b4404f20"
 dependencies = [
  "once_cell",
  "pest",
@@ -1866,16 +1925,16 @@ checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
 [[package]]
 name = "polling"
-version = "2.4.0"
+version = "2.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab4609a838d88b73d8238967b60dd115cc08d38e2bbaf51ee1e4b695f89122e2"
+checksum = "166ca89eb77fd403230b9c156612965a81e094ec6ec3aa13663d4c8b113fa748"
 dependencies = [
  "autocfg",
  "cfg-if",
  "libc",
  "log",
  "wepoll-ffi",
- "winapi",
+ "windows-sys",
 ]
 
 [[package]]
@@ -1891,9 +1950,9 @@ dependencies = [
 
 [[package]]
 name = "ppv-lite86"
-version = "0.2.16"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eb9f9e6e233e5c4a35559a617bf40a4ec447db2e84c20b55a6f83167b7e57872"
+checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
 [[package]]
 name = "proc-macro-crate"
@@ -2053,9 +2112,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.6.0"
+version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c4eb3267174b8c6c2f654116623910a0fef09c4753f8dd83db29c48a0df988b"
+checksum = "e076559ef8e241f2ae3479e36f97bd5741c0330689e217ad51ce2c76808b868a"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -2064,15 +2123,15 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.27"
+version = "0.6.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a3f87b73ce11b1619a3c6332f45341e0047173771e8b8b73f87bfeefb7b56244"
+checksum = "456c603be3e8d448b072f410900c09faf164fbce2d480456f50eea6e25f9c848"
 
 [[package]]
 name = "reqwest"
-version = "0.11.12"
+version = "0.11.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "431949c384f4e2ae07605ccaa56d1d9d2ecdb5cadd4f9577ccfab29f2e5149fc"
+checksum = "68cc60575865c7831548863cc02356512e3f1dc2f3f82cb837d7fc4cc8f3c97c"
 dependencies = [
  "base64",
  "bytes",
@@ -2130,9 +2189,20 @@ checksum = "56770675ebc04927ded3e60633437841581c285dc6236109ea25fbf3beb7b59e"
 
 [[package]]
 name = "rpassword"
-version = "7.1.0"
+version = "7.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "20c9f5d2a0c3e2ea729ab3706d22217177770654c3ef5056b68b69d07332d3f5"
+checksum = "6678cf63ab3491898c0d021b493c94c9b221d91295294a2a5746eacbe5928322"
+dependencies = [
+ "libc",
+ "rtoolbox",
+ "winapi",
+]
+
+[[package]]
+name = "rtoolbox"
+version = "0.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "034e22c514f5c0cb8a10ff341b9b048b5ceb21591f31c8f44c43b960f9b3524a"
 dependencies = [
  "libc",
  "winapi",
@@ -2235,6 +2305,12 @@ dependencies = [
  "toml",
 ]
 
+[[package]]
+name = "rustc-hash"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
+
 [[package]]
 name = "rustc_version"
 version = "0.2.3"
@@ -2302,6 +2378,12 @@ dependencies = [
  "untrusted",
 ]
 
+[[package]]
+name = "self_cell"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ef965a420fe14fdac7dd018862966a4c14094f900e1650bbc71ddd7d580c8af"
+
 [[package]]
 name = "semver"
 version = "0.9.0"
@@ -2319,18 +2401,18 @@ checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 
 [[package]]
 name = "serde"
-version = "1.0.147"
+version = "1.0.148"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d193d69bae983fc11a79df82342761dfbf28a99fc8d203dca4c3c1b590948965"
+checksum = "e53f64bb4ba0191d6d0676e1b141ca55047d83b74f5607e6d8eb88126c52c2dc"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.147"
+version = "1.0.148"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4f1d362ca8fc9c3e3a7484440752472d68a6caa98f1ab81d99b5dfe517cec852"
+checksum = "a55492425aa53521babf6137309e7d34c20bbfbbfcfe2c7f3a047fd1f6b92c0c"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2348,9 +2430,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.87"
+version = "1.0.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ce777b7b150d76b9cf60d28b55f5847135a003f7d7350c6be7a773508ce7d45"
+checksum = "020ff22c755c2ed3f8cf162dbb41a7268d934702f3ed3631656ea597e08fc3db"
 dependencies = [
  "itoa",
  "ryu",
@@ -2397,7 +2479,7 @@ checksum = "f04293dc80c3993519f2d7f6f511707ee7094fe0c6d3406feb330cdb3540eba3"
 dependencies = [
  "cfg-if",
  "cpufeatures",
- "digest 0.10.5",
+ "digest 0.10.6",
 ]
 
 [[package]]
@@ -2427,7 +2509,7 @@ checksum = "82e6b795fe2e3b1e845bafcb27aa35405c4d47cdfc92af5fc8d3002f76cebdc0"
 dependencies = [
  "cfg-if",
  "cpufeatures",
- "digest 0.10.5",
+ "digest 0.10.6",
 ]
 
 [[package]]
@@ -2607,9 +2689,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.103"
+version = "1.0.105"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a864042229133ada95abf3b54fdc62ef5ccabe9515b64717bcb9a1919e59445d"
+checksum = "60b9b43d45702de4c839cb9b51d9f529c5dd26a4aff255b42b1ebc03e88ee908"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2748,6 +2830,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "tinystr"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8aeafdfd935e4a7fe16a91ab711fa52d54df84f9c8f7ca5837a9d1d902ef4c2"
+dependencies = [
+ "displaydoc",
+]
+
 [[package]]
 name = "tinyvec"
 version = "1.6.0"
@@ -2765,9 +2856,9 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.21.2"
+version = "1.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9e03c497dc955702ba729190dc4aac6f2a0ce97f913e5b1b5912fc5039d9099"
+checksum = "d76ce4a75fb488c605c54bf610f221cea8b0dafb53333c1a67e8ee199dcd2ae3"
 dependencies = [
  "autocfg",
  "bytes",
@@ -2783,9 +2874,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-macros"
-version = "1.8.0"
+version = "1.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9724f9a975fb987ef7a3cd9be0350edcbe130698af5b8f7a631e23d42d052484"
+checksum = "d266c00fde287f55d3f1c3e96c500c362a2b8c695076ec180f27918820bc6df8"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2892,6 +2983,15 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
 
+[[package]]
+name = "type-map"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6d3364c5e96cb2ad1603037ab253ddd34d7fb72a58bdddf4b7350760fc69a46"
+dependencies = [
+ "rustc-hash",
+]
+
 [[package]]
 name = "typed-sled"
 version = "0.2.0"
@@ -2947,6 +3047,49 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "80d7ff825a6a654ee85a63e80f92f054f904f21e7d12da4e22f9834a4aaa35bc"
 
+[[package]]
+name = "unic-langid"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "398f9ad7239db44fd0f80fe068d12ff22d78354080332a5077dc6f52f14dcf2f"
+dependencies = [
+ "unic-langid-impl",
+ "unic-langid-macros",
+]
+
+[[package]]
+name = "unic-langid-impl"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e35bfd2f2b8796545b55d7d3fd3e89a0613f68a0d1c8bc28cb7ff96b411a35ff"
+dependencies = [
+ "tinystr",
+]
+
+[[package]]
+name = "unic-langid-macros"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "055e618bf694161ffff0466d95cef3e1a5edc59f6ba1888e97801f2b4ebdc4fe"
+dependencies = [
+ "proc-macro-hack",
+ "tinystr",
+ "unic-langid-impl",
+ "unic-langid-macros-impl",
+]
+
+[[package]]
+name = "unic-langid-macros-impl"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1f5cdec05b907f4e2f6843f4354f4ce6a5bebe1a56df320a49134944477ce4d8"
+dependencies = [
+ "proc-macro-hack",
+ "quote",
+ "syn",
+ "unic-langid-impl",
+]
+
 [[package]]
 name = "unic-segment"
 version = "0.9.0"
@@ -3039,9 +3182,9 @@ dependencies = [
 
 [[package]]
 name = "uuid"
-version = "1.2.1"
+version = "1.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "feb41e78f93363bb2df8b0e86a2ca30eed7806ea16ea0c790d757cf93f79be83"
+checksum = "422ee0de9031b5b948b97a8fc04e3aa35230001a722ddd27943e0be31564ce4c"
 dependencies = [
  "getrandom 0.2.8",
 ]
@@ -3207,6 +3350,9 @@ dependencies = [
  "clap",
  "crossbeam-channel",
  "directories",
+ "fluent-bundle",
+ "fluent-langneg",
+ "intl-memoizer",
  "log",
  "matrix-sdk",
  "rand 0.8.5",
@@ -3221,6 +3367,7 @@ dependencies = [
  "tokio",
  "toml_edit",
  "typed-sled",
+ "unic-langid",
 ]
 
 [[package]]
@@ -3365,9 +3512,9 @@ dependencies = [
 
 [[package]]
 name = "zeroize_derive"
-version = "1.3.2"
+version = "1.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f8f187641dad4f680d25c4bfc4225b418165984179f26ca76ec4fb6441d3a17"
+checksum = "44bf07cb3e50ea2003396695d58bf46bc9887a1f362260446fad6bc4e79bd36c"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index c5bd4d0..3a4fdc7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,20 +10,24 @@ edition = "2021"
 [dependencies]
 argon2 = "0.4.1"
 base64 = "0.13.1"
-clap = { version = "4.0.18", default-features = false, features = ["derive", "std"] }
+clap = { version = "4.0.29", default-features = false, features = ["derive", "error-context", "help", "std", "usage"] }
 crossbeam-channel = "0.5.6"
 directories = "4.0.1"
+fluent-bundle = "0.15.2"
+fluent-langneg = "0.13.0"
+intl-memoizer = "0.5.1"
 log = "0.4.17"
 matrix-sdk = { version = "0.6.2", default-features = false, features = ["rustls-tls"] }
 rand = "0.8.5"
 rand_core = { version = "0.6.4", features = ["std"] }
-rpassword = "7.1.0"
-serde = { version = "1.0.147", features = ["derive", "rc"] }
+rpassword = "7.2.0"
+serde = { version = "1.0.148", features = ["derive", "rc"] }
 sha2 = "0.10.6"
 sled = "0.34.7"
 static-rc = "0.6.1"
 tera = { version = "1.17.1", features = ["builtins", "date-locale"] }
 tide = { version = "0.16.0", default-features = false, features = ["h1-server", "cookies", "logger"] }
-tokio = { version = "1.21.2", features = ["macros", "rt-multi-thread"] }
+tokio = { version = "1.22.0", features = ["macros", "rt-multi-thread"] }
 toml_edit = { version = "0.15.0", features = ["easy"] }
 typed-sled = "0.2.0"
+unic-langid = { version = "0.9.1", features = ["macros"] }
diff --git a/README.md b/README.md
index e00c5cc..7c119de 100644
--- a/README.md
+++ b/README.md
@@ -10,8 +10,9 @@ Rust webserver for comments, that you can easily embed in a website.
 * Admin approval
 * Admin notification on new comment via Matrix
 * Embedded one-file webserver
-* [Tera](https://github.com/Keats/tera) templates
+* Customizable [Tera](https://github.com/Keats/tera) templates
 * Comment frequency limit per IP
+* i18n
 
 ## Use
 
diff --git a/locales/en.ftl b/locales/en.ftl
new file mode 100644
index 0000000..611d147
--- /dev/null
+++ b/locales/en.ftl
@@ -0,0 +1,14 @@
+admin-comment-approve = Approve
+admin-comment-edit = Edit
+admin-comment-remove = Remove
+admin_login-password_prompt = Password:
+admin_login-submit_button = Login
+admin_login-title = Admin login | Comments
+error-antispam = The edition quota from your IP is reached. You will be unblocked in { $antispam_timeout }s.
+error-list = Whoops, the following error occurred:
+comment_form-author = Your name:
+comment_form-email = Your email:
+comment_form-edit_button = Edit comment
+comment_form-new_button = Post comment
+comment_form-text = Your comment:
+title = Comments
diff --git a/locales/fr.ftl b/locales/fr.ftl
new file mode 100644
index 0000000..2bfd3d1
--- /dev/null
+++ b/locales/fr.ftl
@@ -0,0 +1,14 @@
+admin-comment-approve = Approuver
+admin-comment-edit = Modifier
+admin-comment-remove = Supprimer
+admin_login-password_prompt = Mot de passe :
+admin_login-submit_button = S'authentifier
+admin_login-title = Authentification admin | Commentaires
+error-antispam = Le quota d'édition de votre adresse IP est atteint, elle sera débloquée dans { $antispam_timeout }s.
+error-list = Oups, l'erreur suivante est survenue :
+comment_form-author = Votre nom :
+comment_form-email = Votre e-mail :
+comment_form-edit_button = Modifier
+comment_form-new_button = Envoyer
+comment_form-text = Votre commentaire :
+title = Commentaires
diff --git a/src/config.rs b/src/config.rs
index d93392e..ee21dd8 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -36,8 +36,9 @@ pub struct Config {
 	pub cookies_https_only: bool,
 	#[serde(default = "Config::default_cookies_domain")]
 	pub cookies_domain: Option<String>,
-	#[serde(default = "Config::default_lang")]
-	pub lang: String,
+	/// Format: "language_REGION"
+	#[serde(default = "Config::default_default_lang")]
+	pub default_lang: String,
 	#[serde(default = "Config::default_listen")]
 	pub listen: SocketAddr,
 	/// Send a matrix message on new comment
@@ -102,8 +103,8 @@ impl Config {
 	fn default_cookies_domain() -> Option<String> {
 		None
 	}
-	fn default_lang() -> String {
-		"en_GB".into()
+	fn default_default_lang() -> String {
+		"en_US".into()
 	}
 	fn default_listen() -> SocketAddr {
 		SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), 31720)
@@ -152,7 +153,7 @@ impl Default for Config {
 			comment_text_max_len: Self::default_comment_text_max_len(),
 			cookies_https_only: Self::default_cookies_https_only(),
 			cookies_domain: Self::default_cookies_domain(),
-			lang: Self::default_lang(),
+			default_lang: Self::default_default_lang(),
 			listen: Self::default_listen(),
 			matrix_notify: Self::default_matrix_notify(),
 			matrix_password: Self::default_matrix_password(),
diff --git a/src/locales.rs b/src/locales.rs
new file mode 100644
index 0000000..f68f2d2
--- /dev/null
+++ b/src/locales.rs
@@ -0,0 +1,103 @@
+use crate::config::Config;
+
+use fluent_bundle::{bundle::FluentBundle, FluentArgs, FluentResource};
+use fluent_langneg::{
+	accepted_languages, negotiate::filter_matches, negotiate_languages, NegotiationStrategy,
+};
+use intl_memoizer::concurrent::IntlLangMemoizer;
+use log::error;
+use std::{borrow::Cow, collections::HashMap, ops::Deref, str::FromStr};
+use unic_langid::{langid, LanguageIdentifier};
+
+static LOCALE_FILES: &[(LanguageIdentifier, &str)] = &[
+	(langid!("en"), include_str!("../locales/en.ftl")),
+	(langid!("fr"), include_str!("../locales/fr.ftl")),
+];
+
+pub struct Locales {
+	bundles: HashMap<LanguageIdentifier, FluentBundle<FluentResource, IntlLangMemoizer>>,
+	pub default_lang: LanguageIdentifier,
+	langs: Vec<LanguageIdentifier>,
+}
+
+impl Locales {
+	pub fn new(config: &Config) -> Self {
+		let mut langs = Vec::new();
+		Self {
+			bundles: LOCALE_FILES
+				.iter()
+				.map(|(lang, raw)| {
+					let mut bundle = FluentBundle::new_concurrent(vec![lang.clone()]);
+					bundle
+						.add_resource(
+							FluentResource::try_new(raw.to_string()).unwrap_or_else(|e| {
+								panic!("Failed parsing `{lang}` locale: {e:?}")
+							}),
+						)
+						.unwrap();
+					langs.push(lang.clone());
+					(lang.clone(), bundle)
+				})
+				.collect::<HashMap<LanguageIdentifier, FluentBundle<FluentResource, IntlLangMemoizer>>>(
+				),
+			default_lang: filter_matches(
+				&[LanguageIdentifier::from_str(&config.default_lang)
+					.expect("Invalid default language")],
+				&langs,
+				NegotiationStrategy::Filtering,
+			)
+			.get(0)
+			.expect("Unavailable default language")
+			.deref()
+			.clone(),
+			langs,
+		}
+	}
+
+	// TODO fix fluent-langneg's weird API
+	pub fn tr<'a>(
+		&'a self,
+		langs: &[LanguageIdentifier],
+		key: &str,
+		args: Option<&'a FluentArgs>,
+	) -> Option<Cow<str>> {
+		for prefered_lang in negotiate_languages(
+			langs,
+			&self.langs,
+			Some(&self.default_lang),
+			NegotiationStrategy::Filtering,
+		) {
+			if let Some(bundle) = self.bundles.get(prefered_lang.as_ref()) {
+				println!("got bundle");
+				if let Some(message) = bundle.get_message(key) {
+					let mut errors = Vec::new();
+					let ret = bundle.format_pattern(message.value().unwrap(), args, &mut errors);
+					for error in errors {
+						error!("Formatting message `{key}` in lang `{prefered_lang}`: {error}");
+					}
+					return Some(ret);
+				}
+			}
+		}
+		None
+	}
+}
+
+pub fn get_client_langs<State>(req: &tide::Request<State>) -> Vec<LanguageIdentifier> {
+	if let Some(header) = req.header("Accept-Language") {
+		accepted_languages::parse(header.as_str())
+	} else {
+		println!("NO HEADER");
+		Vec::new()
+	}
+}
+
+/// Get the first language that is likely to be usable with chrono
+pub fn get_time_lang(langs: &[LanguageIdentifier]) -> Option<String> {
+	for lang in langs {
+		if let Some(region) = &lang.region {
+			return Some(format!("{}_{}", lang.language.as_str(), region.as_str()));
+		}
+	}
+	None
+}
diff --git a/src/main.rs b/src/main.rs
index d02f6c8..318f141 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -3,6 +3,7 @@ mod cli;
 mod config;
 mod db;
 mod helpers;
+mod locales;
 mod notify;
 mod queries;
 mod server;
@@ -13,6 +14,9 @@ use argon2::{
 	Argon2,
 };
 use clap::Parser;
+use log::warn;
+use std::{collections::HashMap, str::FromStr};
+use unic_langid::LanguageIdentifier;
 
 #[tokio::main]
 async fn main() {
@@ -28,9 +32,38 @@ async fn main() {
 			// These will never be dropped nor mutated
 			let templates = Box::leak(Box::new(templates));
 			let config = Box::leak(Box::new(config));
+			let locales = Box::leak(Box::new(locales::Locales::new(config)));
+
+			// TODO args
+			templates.tera.register_function(
+				"tr",
+				Box::new(
+					|args: &HashMap<String, tera::Value>| -> tera::Result<tera::Value> {
+						let langs = if let Some(tera::Value::Array(langs)) = args.get("l") {
+							langs
+								.iter()
+								.filter_map(|lang| lang.as_str())
+								.filter_map(|lang| LanguageIdentifier::from_str(lang).ok())
+								.collect()
+						} else {
+							vec![locales.default_lang.clone()]
+						};
+						let key = args
+							.get("k")
+							.ok_or_else(|| tera::Error::from("Missing argument `k`"))?
+							.as_str()
+							.ok_or_else(|| tera::Error::from("Argument `k` must be string"))?;
+						let res = locales.tr(&langs, key, None);
+						if res.is_none() {
+							warn!("(calling `tr` in template) translation key `{key}` not found");
+						}
+						Ok(res.into())
+					},
+				),
+			);
 
 			tokio::spawn(cleaner::run_cleaner(config, dbs.clone()));
-			server::run_server(config, dbs, templates).await;
+			server::run_server(config, dbs, templates, locales).await;
 		}
 		cli::MainSubcommand::Psw => {
 			let mut config = config::read_config(&opt.opt.dir.0);
diff --git a/src/server.rs b/src/server.rs
index 33b8cdb..ddb0030 100644
--- a/src/server.rs
+++ b/src/server.rs
@@ -1,11 +1,20 @@
-use crate::{config::*, db::*, helpers, queries::*, templates::*};
+#![allow(clippy::too_many_arguments)]
+
+use crate::{config::*, db::*, helpers, locales::*, queries::*, templates::*};
 
 use argon2::{Argon2, PasswordHash, PasswordVerifier};
 use crossbeam_channel::Sender;
+use fluent_bundle::FluentArgs;
 use log::{error, warn};
 use tera::Context;
+use unic_langid::LanguageIdentifier;
 
-pub async fn run_server(config: &'static Config, dbs: Dbs, templates: &'static Templates) {
+pub async fn run_server(
+	config: &'static Config,
+	dbs: Dbs,
+	templates: &'static Templates,
+	locales: &'static Locales,
+) {
 	tide::log::start();
 
 	let (notify_send, notify_recv) = crossbeam_channel::bounded(10);
@@ -15,17 +24,36 @@ pub async fn run_server(config: &'static Config, dbs: Dbs, templates: &'static T
 	app.at(&format!("{}t/:topic", config.root_url)).get({
 		let dbs = dbs.clone();
 		move |req: tide::Request<()>| {
-			serve_comments(req, config, templates, dbs.clone(), Context::new(), 200)
+			let client_langs = get_client_langs(&req);
+			serve_comments(
+				req,
+				config,
+				templates,
+				dbs.clone(),
+				client_langs,
+				Context::new(),
+				200,
+			)
 		}
 	});
 	app.at(&format!("{}t/:topic", config.root_url)).post({
 		let dbs = dbs.clone();
 		move |req: tide::Request<()>| {
-			handle_post_comments(req, config, templates, dbs.clone(), notify_send.clone())
+			handle_post_comments(
+				req,
+				config,
+				templates,
+				dbs.clone(),
+				locales,
+				notify_send.clone(),
+			)
 		}
 	});
 	app.at(&format!("{}admin", config.root_url))
-		.get(move |req: tide::Request<()>| serve_admin_login(req, config, templates));
+		.get(move |req: tide::Request<()>| {
+			let client_langs = get_client_langs(&req);
+			serve_admin_login(req, config, templates, client_langs)
+		});
 	app.at(&format!("{}admin", config.root_url)).post({
 		let dbs = dbs.clone();
 		move |req: tide::Request<()>| handle_post_admin(req, config, templates, dbs.clone())
@@ -38,6 +66,7 @@ async fn serve_comments<'a>(
 	config: &Config,
 	templates: &Templates,
 	dbs: Dbs,
+	client_langs: Vec<LanguageIdentifier>,
 	mut context: Context,
 	status_code: u16,
 ) -> tide::Result<tide::Response> {
@@ -53,6 +82,18 @@ async fn serve_comments<'a>(
 
 	context.insert("config", &config);
 	context.insert("admin", &admin);
+	let time_lang = get_time_lang(&client_langs);
+	context.insert(
+		"time_lang",
+		time_lang.as_ref().unwrap_or(&config.default_lang),
+	);
+	context.insert(
+		"l",
+		&client_langs
+			.iter()
+			.map(|lang| lang.language.as_str())
+			.collect::<Vec<&str>>(),
+	);
 
 	if admin {
 		if let Ok(query) = req.query::<ApproveQuery>() {
@@ -120,10 +161,23 @@ async fn serve_admin<'a>(
 	config: &Config,
 	templates: &Templates,
 	dbs: Dbs,
+	client_langs: &[LanguageIdentifier],
 ) -> tide::Result<tide::Response> {
 	let mut context = Context::new();
 	context.insert("config", &config);
 	context.insert("admin", &true);
+	let time_lang = get_time_lang(client_langs);
+	context.insert(
+		"time_lang",
+		time_lang.as_ref().unwrap_or(&config.default_lang),
+	);
+	context.insert(
+		"l",
+		&client_langs
+			.iter()
+			.map(|lang| lang.language.as_str())
+			.collect::<Vec<&str>>(),
+	);
 
 	context.insert(
 		"comments",
@@ -164,9 +218,22 @@ async fn serve_admin_login(
 	_req: tide::Request<()>,
 	config: &Config,
 	templates: &Templates,
+	client_langs: Vec<LanguageIdentifier>,
 ) -> tide::Result<tide::Response> {
 	let mut context = Context::new();
 	context.insert("config", &config);
+	let time_lang = get_time_lang(&client_langs);
+	context.insert(
+		"time_lang",
+		time_lang.as_ref().unwrap_or(&config.default_lang),
+	);
+	context.insert(
+		"l",
+		&client_langs
+			.iter()
+			.map(|lang| lang.language.as_str())
+			.collect::<Vec<&str>>(),
+	);
 
 	Ok(tide::Response::builder(200)
 		.content_type(tide::http::mime::HTML)
@@ -179,12 +246,15 @@ async fn handle_post_comments(
 	config: &Config,
 	templates: &Templates,
 	dbs: Dbs,
+	locales: &Locales,
 	notify_send: Sender<()>,
 ) -> tide::Result<tide::Response> {
 	let admin = req.cookie("admin").map_or(false, |psw| {
 		check_admin_password_hash(config, &String::from(psw.value()))
 	});
 
+	let client_langs = get_client_langs(&req);
+
 	let client_addr = if !admin && config.antispam_enable {
 		match helpers::get_client_addr(config, &req) {
 			Some(Ok(addr)) => {
@@ -222,10 +292,19 @@ async fn handle_post_comments(
 				if let Some(antispam_timeout) =
 					helpers::antispam_check_client_mutation(client_addr, &dbs, config).unwrap()
 				{
-					errors.push(format!(
-						"The edition quota from your IP is reached. You will be unblocked in {}s.",
-						antispam_timeout
-					));
+					errors.push(
+						locales
+							.tr(
+								&client_langs,
+								"error-antispam",
+								Some(&FluentArgs::from_iter([(
+									"antispam_timeout",
+									antispam_timeout,
+								)])),
+							)
+							.unwrap()
+							.into_owned(),
+					);
 				}
 			}
 
@@ -283,21 +362,33 @@ async fn handle_post_comments(
 				return Err(tide::Error::from_str(404, "Not found"));
 			};
 
-			if let Some(client_addr) = &client_addr {
+			// We're admin
+			/*if let Some(client_addr) = &client_addr {
 				if let Some(antispam_timeout) =
 					helpers::antispam_check_client_mutation(client_addr, &dbs, config).unwrap()
 				{
-					errors.push(format!(
-						"The edition quota from your IP is reached. You will be unblocked in {}s.",
-						antispam_timeout
-					));
+					let client_langs = get_client_langs(&req);
+					errors.push(
+						locales
+							.tr(
+								&client_langs,
+								"error-antispam",
+								Some(&FluentArgs::from_iter([(
+									"antispam_timeout",
+									antispam_timeout,
+								)])),
+							)
+							.unwrap()
+							.into_owned(),
+					);
 				}
-			}
+			}*/
 
 			if errors.is_empty() {
-				if let Some(client_addr) = &client_addr {
+				// We're admin
+				/*if let Some(client_addr) = &client_addr {
 					helpers::antispam_update_client_mutation(client_addr, &dbs).unwrap();
-				}
+				}*/
 
 				let time = std::time::SystemTime::now()
 					.duration_since(std::time::UNIX_EPOCH)
@@ -328,6 +419,7 @@ async fn handle_post_comments(
 		config,
 		templates,
 		dbs,
+		client_langs,
 		context,
 		if errors.is_empty() { 200 } else { 400 },
 	)
@@ -344,31 +436,40 @@ async fn handle_post_admin(
 		if check_admin_password(config, &String::from(psw.value())).is_some() {
 			#[allow(clippy::match_single_binding)]
 			match req.body_form::<AdminQuery>().await? {
-				_ => serve_admin(req, config, templates, dbs).await,
+				_ => {
+					let client_langs = get_client_langs(&req);
+					serve_admin(req, config, templates, dbs, &client_langs).await
+				}
 			}
 		} else {
-			serve_admin_login(req, config, templates).await
+			let client_langs = get_client_langs(&req);
+			serve_admin_login(req, config, templates, client_langs).await
 		}
 	} else if let AdminQuery::Login(query) = req.body_form::<AdminQuery>().await? {
 		if let Some(password_hash) = check_admin_password(config, &query.psw) {
-			serve_admin(req, config, templates, dbs).await.map(|mut r| {
-				let mut cookie = tide::http::Cookie::new("admin", password_hash);
-				cookie.set_http_only(Some(true));
-				cookie.set_path(config.root_url.clone());
-				if let Some(domain) = &config.cookies_domain {
-					cookie.set_domain(domain.clone());
-				}
-				if config.cookies_https_only {
-					cookie.set_secure(Some(true));
-				}
-				r.insert_cookie(cookie);
-				r
-			})
+			let client_langs = get_client_langs(&req);
+			serve_admin(req, config, templates, dbs, &client_langs)
+				.await
+				.map(|mut r| {
+					let mut cookie = tide::http::Cookie::new("admin", password_hash);
+					cookie.set_http_only(Some(true));
+					cookie.set_path(config.root_url.clone());
+					if let Some(domain) = &config.cookies_domain {
+						cookie.set_domain(domain.clone());
+					}
+					if config.cookies_https_only {
+						cookie.set_secure(Some(true));
+					}
+					r.insert_cookie(cookie);
+					r
+				})
 		} else {
-			serve_admin_login(req, config, templates).await
+			let client_langs = get_client_langs(&req);
+			serve_admin_login(req, config, templates, client_langs).await
 		}
 	} else {
-		serve_admin_login(req, config, templates).await
+		let client_langs = get_client_langs(&req);
+		serve_admin_login(req, config, templates, client_langs).await
 	}
 }
 
diff --git a/templates/admin_login.html b/templates/admin_login.html
index f8594b5..06d339e 100644
--- a/templates/admin_login.html
+++ b/templates/admin_login.html
@@ -1,14 +1,14 @@
 <!doctype html>
-<html lang="en">
+<html lang="{{ time_lang }}">
 	<head>
 		<meta charset="utf-8"/>
-		<title>Admin login | Comments</title>
+		<title>{{ tr(l=l,k="admin_login-title")|safe }}</title>
 	</head>
 	<body>
 		<form action="#" method="post">
-			<label for="login-psw">Password:</label>
+			<label for="login-psw">{{ tr(l=l,k="admin_login-password_prompt")|safe }}</label>
 			<input type="password" id="login-psw" name="psw"/><br/>
-			<button type="submit" name="a" value="login">Login</button>
+			<button type="submit" name="a" value="login">{{ tr(l=l,k="admin_login-submit_button")|safe }}</button>
 		</form>
 	</body>
 </html>
diff --git a/templates/comments.html b/templates/comments.html
index 70a720b..a1363af 100644
--- a/templates/comments.html
+++ b/templates/comments.html
@@ -1,8 +1,8 @@
 <!doctype html>
-<html lang="en">
+<html lang="{{ time_lang }}">
 	<head>
 		<meta charset="utf-8"/>
-		<title>Comments</title>
+		<title>{{ tr(l=l,k="title")|safe }}</title>
 	</head>
 	<body>
 		{% if comments_pending %}
@@ -10,15 +10,15 @@
 			{% for comment in comments_pending %}
 				<div class="comment{% if comment.needs_approval %} comment_pending{% endif %}" id="comment-{{ comment.id | safe }}">
 					<span class="comment-author">{{ comment.author }}</span>
-					<span class="comment-date">{{ comment.post_time | date(format="%F %R", locale=config.lang) }}</span>
+					<span class="comment-date">{{ comment.post_time | date(format="%F %R", locale=time_lang) }}</span>
 					{% if comment.editable %}
-					<a href="?edit={{ comment.id | safe }}#edit_comment-form">Edit</a>
+					<a href="?edit={{ comment.id | safe }}#edit_comment-form">{{ tr(l=l,k="admin-comment-edit")|safe }}</a>
 					{% endif %}
 					{% if admin and comment.needs_approval %}
-					<a href="?approve={{ comment.id | safe }}">Approve</a>
+					<a href="?approve={{ comment.id | safe }}">{{ tr(l=l,k="admin-comment-approve")|safe }}</a>
 					{% endif %}
 					{% if admin %}
-					<a href="?remove={{ comment.id | safe }}">Remove</a>
+					<a href="?remove={{ comment.id | safe }}">{{ tr(l=l,k="admin-comment-remove")|safe }}</a>
 					{% endif %}
 					<p class="comment-text">{{ comment.text }}</p>
 				</div>
@@ -29,15 +29,15 @@
 			{% for comment in comments %}
 				<div class="comment{% if comment.needs_approval %} comment_pending{% endif %}" id="comment-{{ comment.id | safe }}">
 					<span class="comment-author">{{ comment.author }}</span>
-					<span class="comment-date">{{ comment.post_time | date(format="%F %R", locale=config.lang) }}</span>
+					<span class="comment-date">{{ comment.post_time | date(format="%F %R", locale=time_lang) }}</span>
 					{% if comment.editable %}
-					<a href="?edit={{ comment.id | safe }}#edit_comment-form">Edit</a>
+					<a href="?edit={{ comment.id | safe }}#edit_comment-form">{{ tr(l=l,k="admin-comment-edit")|safe }}</a>
 					{% endif %}
 					{% if admin and comment.needs_approval %}
-					<a href="?approve={{ comment.id | safe }}">Approve</a>
+					<a href="?approve={{ comment.id | safe }}">{{ tr(l=l,k="admin-comment-approve")|safe }}</a>
 					{% endif %}
 					{% if admin %}
-					<a href="?remove={{ comment.id | safe }}">Remove</a>
+					<a href="?remove={{ comment.id | safe }}">{{ tr(l=l,k="admin-comment-remove")|safe }}</a>
 					{% endif %}
 					<p class="comment-text">{{ comment.text }}</p>
 				</div>
@@ -45,25 +45,25 @@
 		</div>
 		<form id="new_comment-form" action="#new_comment-form" method="post">
 			{% if new_comment_errors %}
-			<p>Whoops, the following error occurred:</p>
+			<p>{{ tr(l=l,k="error-list")|safe }}</p>
 			<ul id="new_comment-errors" class="errors">
 				{% for error in new_comment_errors %}
 				<li class="error">{{ error | safe }}</li>
 				{% endfor %}
 			</ul>
 			{% endif %}
-			<label for="new_comment-author">Your name:</label>
+			<label for="new_comment-author">{{ tr(l=l,k="comment_form-author")|safe }}</label>
 			<input type="text" id="new_comment-author" name="author" maxlength="{{ config.comment_author_max_len | safe }}"{% if new_comment_author %} value="{{ new_comment_author }}"{% endif %}/><br/>
-			<label for="new_comment-email">Your e-mail:</label>
+			<label for="new_comment-email">{{ tr(l=l,k="comment_form-email")|safe }}</label>
 			<input type="email" id="new_comment-email" name="email" maxlength="{{ config.comment_email_max_len | safe }}"{% if new_comment_email %} value="{{ new_comment_email }}"{% endif %}/><br/>
-			<label for="new_comment-text">Your comment:</label><br/>
+			<label for="new_comment-text">{{ tr(l=l,k="comment_form-text")|safe }}</label><br/>
 			<textarea id="new_comment-text" name="text" maxlength="{{ config.comment_text_max_len | safe }}">{% if new_comment_text %}{{ new_comment_text }}{% endif %}</textarea><br/>
-			<button type="submit" name="a" value="new_comment">Post comment</button>
+			<button type="submit" name="a" value="new_comment">{{ tr(l=l,k="comment_form-new_button")|safe }}</button>
 		</form>
 		{% if edit_comment %}
 		<form id="edit_comment-form" action="#edit_comment-form" method="post">
 			{% if edit_comment_errors %}
-			<p>Whoops, the following error occurred:</p>
+			<p>{{ tr(l=l,k="error-list")|safe }}</p>
 			<ul id="edit_comment-errors" class="errors">
 				{% for error in edit_comment_errors %}
 				<li class="error">{{ error | safe }}</li>
@@ -71,13 +71,13 @@
 			</ul>
 			{% endif %}
 			<input type="hidden" name="id" value="{{ edit_comment | safe }}" autocomplete="off"/>
-			<label for="edit_comment-author">Your name:</label>
+			<label for="edit_comment-author">{{ tr(l=l,k="comment_form-author")|safe }}</label>
 			<input type="text" id="edit_comment-author" name="author" maxlength="{{ config.comment_author_max_len | safe }}"{% if edit_comment_author %} value="{{ edit_comment_author }}"{% endif %}/><br/>
-			<label for="edit_comment-email">Your e-mail:</label>
+			<label for="edit_comment-email">{{ tr(l=l,k="comment_form-email")|safe }}</label>
 			<input type="email" id="edit_comment-email" name="email" maxlength="{{ config.comment_email_max_len | safe }}"{% if edit_comment_email %} value="{{ edit_comment_email }}"{% endif %}/><br/>
-			<label for="edit_comment-text">Your comment:</label><br/>
+			<label for="edit_comment-text">{{ tr(l=l,k="comment_form-text")|safe }}</label><br/>
 			<textarea id="edit_comment-text" name="text" maxlength="{{ config.comment_text_max_len | safe }}">{% if edit_comment_text %}{{ edit_comment_text }}{% endif %}</textarea><br/>
-			<button type="submit" name="a" value="edit_comment">Edit comment</button>
+			<button type="submit" name="a" value="edit_comment">{{ tr(l=l,k="comment_form-edit_button")|safe }}</button>
 		</form>
 		{% endif %}
 	</body>