Basic (re)implementation of gonzobot wolfram alpha

4 files changed, 560 insertions, 2 deletions

diff --git a/Cargo.lock b/Cargo.lock
index edb6b77..8dd3d26 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -83,9 +83,11 @@ dependencies = [
  "irc-proto",
  "rand",
  "regex",
+ "reqwest",
  "sasl",
  "sedregex",
  "serde",
+ "serde_json",
  "tokio",
  "toml",
  "tracing",
@@ -135,6 +137,22 @@ dependencies = [
 ]
 
 [[package]]
+name = "core-foundation"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0a89e2ae426ea83155dccf10c0fa6b1463ef6d5fcb44cee0b224a408fa640a62"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
+[[package]]
+name = "core-foundation-sys"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea221b5284a47e40033bf9b66f35f984ec0ea2931eb03505246cd27a963f981b"
+
+[[package]]
 name = "cpufeatures"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -227,6 +245,46 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a246d82be1c9d791c5dfde9a2bd045fc3cbba3fa2b11ad558f27d01712f00569"
 
 [[package]]
+name = "encoding_rs"
+version = "0.8.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80df024fbc5ac80f87dfef0d9f5209a252f2a497f7f42944cff24d8253cac065"
+dependencies = [
+ "cfg-if",
+]
+
+[[package]]
+name = "fnv"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
+
+[[package]]
+name = "foreign-types"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1"
+dependencies = [
+ "foreign-types-shared",
+]
+
+[[package]]
+name = "foreign-types-shared"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
+
+[[package]]
+name = "form_urlencoded"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5fc25a87fa4fd2094bffb06925852034d90a17f0d1e05197d4956d3555752191"
+dependencies = [
+ "matches",
+ "percent-encoding",
+]
+
+[[package]]
 name = "futures"
 version = "0.3.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -340,6 +398,31 @@ dependencies = [
 ]
 
 [[package]]
+name = "h2"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c06815895acec637cd6ed6e9662c935b866d20a106f8361892893a7d9234964"
+dependencies = [
+ "bytes",
+ "fnv",
+ "futures-core",
+ "futures-sink",
+ "futures-util",
+ "http",
+ "indexmap",
+ "slab",
+ "tokio",
+ "tokio-util",
+ "tracing",
+]
+
+[[package]]
+name = "hashbrown"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
+
+[[package]]
 name = "hermit-abi"
 version = "0.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -359,6 +442,98 @@ dependencies = [
 ]
 
 [[package]]
+name = "http"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1323096b05d41827dadeaee54c9981958c0f94e670bc94ed80037d1a7b8b186b"
+dependencies = [
+ "bytes",
+ "fnv",
+ "itoa",
+]
+
+[[package]]
+name = "http-body"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "399c583b2979440c60be0821a6199eca73bc3c8dcd9d070d75ac726e2c6186e5"
+dependencies = [
+ "bytes",
+ "http",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "httparse"
+version = "1.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "acd94fdbe1d4ff688b67b04eee2e17bd50995534a61539e45adfefb45e5e5503"
+
+[[package]]
+name = "httpdate"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6456b8a6c8f33fee7d958fcd1b60d55b11940a79e63ae87013e6d22e26034440"
+
+[[package]]
+name = "hyper"
+version = "0.14.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "15d1cfb9e4f68655fa04c01f59edb405b6074a0f7118ea881e5026e4a1cd8593"
+dependencies = [
+ "bytes",
+ "futures-channel",
+ "futures-core",
+ "futures-util",
+ "h2",
+ "http",
+ "http-body",
+ "httparse",
+ "httpdate",
+ "itoa",
+ "pin-project-lite",
+ "socket2",
+ "tokio",
+ "tower-service",
+ "tracing",
+ "want",
+]
+
+[[package]]
+name = "hyper-tls"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d6183ddfa99b85da61a140bea0efc93fdf56ceaa041b37d553518030827f9905"
+dependencies = [
+ "bytes",
+ "hyper",
+ "native-tls",
+ "tokio",
+ "tokio-native-tls",
+]
+
+[[package]]
+name = "idna"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "418a0a6fab821475f634efe3ccc45c013f742efe03d853e8d3355d5cb850ecf8"
+dependencies = [
+ "matches",
+ "unicode-bidi",
+ "unicode-normalization",
+]
+
+[[package]]
+name = "indexmap"
+version = "1.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc633605454125dec4b66843673f01c7df2b89479b32e0ed634e43a91cff62a5"
+dependencies = [
+ "autocfg",
+ "hashbrown",
+]
+
+[[package]]
 name = "instant"
 version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -368,6 +543,12 @@ dependencies = [
 ]
 
 [[package]]
+name = "ipnet"
+version = "2.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68f2d64f2edebec4ce84ad108148e67e1064789bee435edc5b60ad398714a3a9"
+
+[[package]]
 name = "irc"
 version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -427,9 +608,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.94"
+version = "0.2.103"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "18794a8ad5b29321f790b55d93dfba91e125cb1a9edbd4f8e3150acc771c1a5e"
+checksum = "dd8f7255a17a627354f321ef0055d63b898c6fb27eff628af4d1b66b7331edf6"
 
 [[package]]
 name = "lock_api"
@@ -459,12 +640,24 @@ dependencies = [
 ]
 
 [[package]]
+name = "matches"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a3e378b66a060d48947b590737b30a1be76706c8dd7b8ba0f2fe3989c68a853f"
+
+[[package]]
 name = "memchr"
 version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b16bd47d9e329435e309c58469fe0791c2d0d1ba96ec0954152a5ae2b04387dc"
 
 [[package]]
+name = "mime"
+version = "0.3.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2a60c7ce501c71e03a9c9c0d35b861413ae925bd979cc7a4e30d060069aaac8d"
+
+[[package]]
 name = "mio"
 version = "0.7.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -487,6 +680,24 @@ dependencies = [
 ]
 
 [[package]]
+name = "native-tls"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48ba9f7719b5a0f42f338907614285fb5fd70e53858141f69898a1fb7203b24d"
+dependencies = [
+ "lazy_static",
+ "libc",
+ "log",
+ "openssl",
+ "openssl-probe",
+ "openssl-sys",
+ "schannel",
+ "security-framework",
+ "security-framework-sys",
+ "tempfile",
+]
+
+[[package]]
 name = "ntapi"
 version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -537,6 +748,39 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
 [[package]]
+name = "openssl"
+version = "0.10.36"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8d9facdb76fec0b73c406f125d44d86fdad818d66fef0531eec9233ca425ff4a"
+dependencies = [
+ "bitflags",
+ "cfg-if",
+ "foreign-types",
+ "libc",
+ "once_cell",
+ "openssl-sys",
+]
+
+[[package]]
+name = "openssl-probe"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28988d872ab76095a6e6ac88d99b54fd267702734fd7ffe610ca27f533ddb95a"
+
+[[package]]
+name = "openssl-sys"
+version = "0.9.67"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "69df2d8dfc6ce3aaf44b40dec6f487d5a886516cf6879c49e98e0710f310a058"
+dependencies = [
+ "autocfg",
+ "cc",
+ "libc",
+ "pkg-config",
+ "vcpkg",
+]
+
+[[package]]
 name = "parking_lot"
 version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -571,6 +815,12 @@ dependencies = [
 ]
 
 [[package]]
+name = "percent-encoding"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
+
+[[package]]
 name = "pin-project"
 version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -603,6 +853,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
 [[package]]
+name = "pkg-config"
+version = "0.3.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c9b1041b4387893b91ee6746cddfc28516aff326a3519fb2adf820932c5e6cb"
+
+[[package]]
 name = "ppv-lite86"
 version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -715,6 +971,50 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
 
 [[package]]
+name = "remove_dir_all"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7"
+dependencies = [
+ "winapi",
+]
+
+[[package]]
+name = "reqwest"
+version = "0.11.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51c732d463dd300362ffb44b7b125f299c23d2990411a4253824630ebc7467fb"
+dependencies = [
+ "base64",
+ "bytes",
+ "encoding_rs",
+ "futures-core",
+ "futures-util",
+ "http",
+ "http-body",
+ "hyper",
+ "hyper-tls",
+ "ipnet",
+ "js-sys",
+ "lazy_static",
+ "log",
+ "mime",
+ "native-tls",
+ "percent-encoding",
+ "pin-project-lite",
+ "serde",
+ "serde_json",
+ "serde_urlencoded",
+ "tokio",
+ "tokio-native-tls",
+ "url",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+ "winreg",
+]
+
+[[package]]
 name = "ring"
 version = "0.16.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -763,6 +1063,16 @@ dependencies = [
 ]
 
 [[package]]
+name = "schannel"
+version = "0.1.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f05ba609c234e60bee0d547fe94a4c7e9da733d1c962cf6e59efa4cd9c8bc75"
+dependencies = [
+ "lazy_static",
+ "winapi",
+]
+
+[[package]]
 name = "scopeguard"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -779,6 +1089,29 @@ dependencies = [
 ]
 
 [[package]]
+name = "security-framework"
+version = "2.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23a2ac85147a3a11d77ecf1bc7166ec0b92febfa4461c37944e180f319ece467"
+dependencies = [
+ "bitflags",
+ "core-foundation",
+ "core-foundation-sys",
+ "libc",
+ "security-framework-sys",
+]
+
+[[package]]
+name = "security-framework-sys"
+version = "2.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a9dd14d83160b528b7bfd66439110573efcfbe281b17fc2ca9f39f550d619c7e"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
+[[package]]
 name = "sedregex"
 version = "0.2.4"
 source = "git+https://gitlab.com/audron/sedregex#2ac3be5f56f53122cd89a160bc2ff9f7387a9467"
@@ -818,6 +1151,18 @@ dependencies = [
 ]
 
 [[package]]
+name = "serde_urlencoded"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "edfa57a7f8d9c1d260a549e7224100f6c43d43f9103e06dd8b4095a9b2b43ce9"
+dependencies = [
+ "form_urlencoded",
+ "itoa",
+ "ryu",
+ "serde",
+]
+
+[[package]]
 name = "sha-1"
 version = "0.9.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -874,6 +1219,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fe0f37c9e8f3c5a4a66ad655a93c74daac4ad00c441533bf5c6e7990bb42604e"
 
 [[package]]
+name = "socket2"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5dc90fe6c7be1a323296982db1836d1ea9e47b6839496dde9a541bc496df3516"
+dependencies = [
+ "libc",
+ "winapi",
+]
+
+[[package]]
 name = "spin"
 version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -897,6 +1252,20 @@ dependencies = [
 ]
 
 [[package]]
+name = "tempfile"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dac1c663cfc93810f88aed9b8941d48cabf856a1b111c29a40439018d870eb22"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "rand",
+ "redox_syscall",
+ "remove_dir_all",
+ "winapi",
+]
+
+[[package]]
 name = "thiserror"
 version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -936,6 +1305,21 @@ dependencies = [
 ]
 
 [[package]]
+name = "tinyvec"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f83b2a3d4d9091d0abd7eba4dc2710b1718583bd4d8992e2190720ea38f391f7"
+dependencies = [
+ "tinyvec_macros",
+]
+
+[[package]]
+name = "tinyvec_macros"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
+
+[[package]]
 name = "tokio"
 version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -967,6 +1351,16 @@ dependencies = [
 ]
 
 [[package]]
+name = "tokio-native-tls"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7d995660bd2b7f8c1568414c1126076c13fbb725c40112dc0120b78eb9b717b"
+dependencies = [
+ "native-tls",
+ "tokio",
+]
+
+[[package]]
 name = "tokio-rustls"
 version = "0.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1012,6 +1406,12 @@ dependencies = [
 ]
 
 [[package]]
+name = "tower-service"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "360dfd1d6d30e05fda32ace2c8c70e9c0a9da713275777f5a4dbb8a1893930c6"
+
+[[package]]
 name = "tracing"
 version = "0.1.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1097,12 +1497,33 @@ dependencies = [
 ]
 
 [[package]]
+name = "try-lock"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
+
+[[package]]
 name = "typenum"
 version = "1.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "879f6906492a7cd215bfa4cf595b600146ccfac0c79bcbd1f3000162af5e8b06"
 
 [[package]]
+name = "unicode-bidi"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a01404663e3db436ed2746d9fefef640d868edae3cceb81c3b8d5732fda678f"
+
+[[package]]
+name = "unicode-normalization"
+version = "0.1.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d54590932941a9e9266f0832deed84ebe1bf2e4c9e4a3554d393d18f5e854bf9"
+dependencies = [
+ "tinyvec",
+]
+
+[[package]]
 name = "unicode-xid"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1115,12 +1536,40 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a156c684c91ea7d62626509bce3cb4e1d9ed5c4d978f7b4352658f96a4c26b4a"
 
 [[package]]
+name = "url"
+version = "2.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a507c383b2d33b5fc35d1861e77e6b383d158b2da5e14fe51b83dfedf6fd578c"
+dependencies = [
+ "form_urlencoded",
+ "idna",
+ "matches",
+ "percent-encoding",
+]
+
+[[package]]
+name = "vcpkg"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
+
+[[package]]
 name = "version_check"
 version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe"
 
 [[package]]
+name = "want"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"
+dependencies = [
+ "log",
+ "try-lock",
+]
+
+[[package]]
 name = "wasi"
 version = "0.10.2+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1152,6 +1601,18 @@ dependencies = [
 ]
 
 [[package]]
+name = "wasm-bindgen-futures"
+version = "0.4.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5fba7978c679d53ce2d0ac80c8c175840feb849a161664365d1287b41f2e67f1"
+dependencies = [
+ "cfg-if",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
+]
+
+[[package]]
 name = "wasm-bindgen-macro"
 version = "0.2.74"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1230,3 +1691,12 @@ name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
+name = "winreg"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0120db82e8a1e0b9fb3345a539c478767c0048d842860994d96113d5b667bd69"
+dependencies = [
+ "winapi",
+]
diff --git a/Cargo.toml b/Cargo.toml
index 16909db..bbf6c64 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,6 +13,7 @@ sasl = "0.5"
 base64 = "0.13"
 
 serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
 toml = "0.5"
 
 anyhow = "1"
@@ -29,6 +30,8 @@ sedregex = { version = "0.2", git = "https://gitlab.com/audron/sedregex" }
 
 rand = "0.8.3"
 
+reqwest = "0.11"
+
 [features]
 default = []
 
diff --git a/src/hooks/mod.rs b/src/hooks/mod.rs
index c5d6e1d..7f7a29c 100644
--- a/src/hooks/mod.rs
+++ b/src/hooks/mod.rs
@@ -7,6 +7,7 @@ pub mod intensify;
 pub mod pet;
 pub mod sed;
 pub mod shifty_eyes;
+pub mod wa;
 
 pub use intensify::intensify;
 pub use shifty_eyes::shifty_eyes;
diff --git a/src/hooks/wa.rs b/src/hooks/wa.rs
new file mode 100644
index 0000000..b6d4eff
--- /dev/null
+++ b/src/hooks/wa.rs
@@ -0,0 +1,84 @@
+use anyhow::{bail, Context, Error, Result};
+use reqwest::{get, Url};
+use serde::{Deserialize, Serialize};
+use serde_json::Result as SerdeJsonResult;
+use tracing::trace;
+
+#[derive(Serialize, Deserialize, Debug)]
+struct WaResult {
+    queryresult: QueryResult,
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+struct QueryResult {
+    pods: Vec<Pod>,
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+struct Pod {
+    title: String,
+    id: String,
+    subpods: Vec<SubPod>,
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+struct SubPod {
+    title: String,
+    plaintext: String,
+}
+
+fn parse_json(str_data: &str) -> SerdeJsonResult<WaResult> {
+    let w: WaResult = serde_json::from_str(str_data)?;
+    Ok(w)
+}
+
+#[tracing::instrument]
+async fn wa_query(query_str: &str) -> Result<String, Error> {
+    let app_id = "XXX"; // TODO: Get from env
+    let api_url = format!(
+        "http://api.wolframalpha.com/v2/query?input={}&appid={}&output=json",
+        query_str, app_id
+    );
+
+    let body = get(Url::parse(&api_url).context("Failed to parse url")?)
+        .await
+        .context("Failed to make request")?
+        .text()
+        .await
+        .context("failed to get request response text")?;
+
+    let full_wa_res = parse_json(&body)?;
+    trace!("got full_wa_res: {:?}", full_wa_res);
+
+    let pod_plaintexts = full_wa_res.queryresult.pods
+        .iter()
+        .filter(|it| it.id.to_lowercase() != "input")
+        .map(|pod| {
+            let subpod_texts = pod
+                .subpods
+                .iter()
+                .map(|subpod| subpod.plaintext.clone())
+                .collect::<Vec<String>>()
+                .join(", ");
+
+            format!("{}: {}", &pod.title, subpod_texts)
+        })
+        .collect::<Vec<String>>()
+        .join(" - ");
+
+    Ok(pod_plaintexts)
+}
+
+#[cfg(test)]
+mod tests {
+
+    use super::wa_query;
+    use anyhow::{Error, Result};
+
+    #[tokio::test]
+    // async fn test_query_result_json_parsing() -> Result<(), Error> {
+    async fn test_query_result_json_parsing() {
+        let res = wa_query("weather graz").await.unwrap();
+        assert_eq!(res, "asdf");
+    }
+}