From 9edcd1896de834ab0fdec7560a4aa006469d6948 Mon Sep 17 00:00:00 2001
From: Daniel Flanagan <daniel@lyte.dev>
Date: Fri, 10 Nov 2023 23:30:58 -0600
Subject: [PATCH] Whee stuff is happening

---
 Cargo.lock        | 161 +++++++++++++++++++++++++++++++++++++++++--
 Cargo.toml        |   3 +
 assets/styles.css | 170 ++++++++++++++++++++++++++++++++++++++++++++++
 contract.hurl     |  11 +++
 flake.nix         |   1 +
 src/main.rs       |  93 ++++++++++++++++++++++---
 6 files changed, 424 insertions(+), 15 deletions(-)
 create mode 100644 assets/styles.css

diff --git a/Cargo.lock b/Cargo.lock
index 2fe44ff..4202bab 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -26,6 +26,12 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "anyhow"
+version = "1.0.75"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4668cab20f66d8d020e1fbc0ebe47217433c1b6c8f2040faf858554e394ace6"
+
 [[package]]
 name = "async-trait"
 version = "0.1.74"
@@ -34,7 +40,7 @@ checksum = "a66537f1bb974b254c98ed142ff995236e81b9d0fe4db0575f46612cb15eb0f9"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -51,7 +57,7 @@ checksum = "3b829e4e32b91e643de6eafe82b1d90675f5874230191a4ffbc1b336dec4d6bf"
 dependencies = [
  "async-trait",
  "axum-core",
- "bitflags",
+ "bitflags 1.3.2",
  "bytes",
  "futures-util",
  "http",
@@ -113,6 +119,12 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "bitflags"
+version = "2.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "327762f6e5a765692301e5bb513e0d9fef63be86bbc14528052b1cd3e6f03e07"
+
 [[package]]
 name = "bytes"
 version = "1.5.0"
@@ -164,6 +176,12 @@ version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eb1d22c66e66d9d72e1758f0bd7d4fd0bee04cad842ee34587d68c07e45d088c"
 
+[[package]]
+name = "futures-sink"
+version = "0.3.29"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e36d3378ee38c2a36ad710c5d30c2911d752cb941c00c72dbabfb786a7970817"
+
 [[package]]
 name = "futures-task"
 version = "0.3.29"
@@ -216,6 +234,12 @@ dependencies = [
  "pin-project-lite",
 ]
 
+[[package]]
+name = "http-range-header"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "add0ab9360ddbd88cfeb3bd9574a1d85cfdfa14db10b3e21d3700dbc4328758f"
+
 [[package]]
 name = "httparse"
 version = "1.8.0"
@@ -289,9 +313,12 @@ checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f"
 name = "lyrs"
 version = "0.1.0"
 dependencies = [
+ "anyhow",
  "axum",
+ "maud",
  "serde",
  "tokio",
+ "tower-http",
  "tracing",
  "tracing-subscriber",
 ]
@@ -311,6 +338,28 @@ version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0e7465ac9959cc2b1404e8e2367b43684a6d13790fe23056cc8c6c5a6b7bcb94"
 
+[[package]]
+name = "maud"
+version = "0.25.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0bab19cef8a7fe1c18a43e881793bfc9d4ea984befec3ae5bd0415abf3ecf00"
+dependencies = [
+ "itoa",
+ "maud_macros",
+]
+
+[[package]]
+name = "maud_macros"
+version = "0.25.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0be95d66c3024ffce639216058e5bae17a83ecaf266ffc6e4d060ad447c9eed2"
+dependencies = [
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "memchr"
 version = "2.6.4"
@@ -323,6 +372,16 @@ version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6877bb514081ee2a7ff5ef9de3281f14a4dd4bceac4c09388074a6b5df8a139a"
 
+[[package]]
+name = "mime_guess"
+version = "2.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4192263c238a5f0d0c6bfd21f336a313a4ce1c450542449ca191bb657b4642ef"
+dependencies = [
+ "mime",
+ "unicase",
+]
+
 [[package]]
 name = "miniz_oxide"
 version = "0.7.1"
@@ -430,7 +489,7 @@ checksum = "4359fd9c9171ec6e8c62926d6faaf553a8dc3f64e1507e76da7911b4f6a04405"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -445,6 +504,30 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
+[[package]]
+name = "proc-macro-error"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
+dependencies = [
+ "proc-macro-error-attr",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+ "version_check",
+]
+
+[[package]]
+name = "proc-macro-error-attr"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "version_check",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.69"
@@ -469,7 +552,7 @@ version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4722d768eff46b75989dd134e5c353f0d6296e5aaa3132e776cbdb56be7731aa"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
 ]
 
 [[package]]
@@ -557,7 +640,7 @@ checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -637,6 +720,17 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "syn"
+version = "1.0.109"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
 [[package]]
 name = "syn"
 version = "2.0.39"
@@ -691,7 +785,20 @@ checksum = "5b8a1e28f2deaa14e508979454cb3a223b10b938b45af148bc0986de36f1923b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.39",
+]
+
+[[package]]
+name = "tokio-util"
+version = "0.7.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5419f34732d9eb6ee4c3578b7989078579b7f039cbbb9ca2c4da015749371e15"
+dependencies = [
+ "bytes",
+ "futures-core",
+ "futures-sink",
+ "pin-project-lite",
+ "tokio",
 ]
 
 [[package]]
@@ -710,6 +817,31 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "tower-http"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61c5bb1d698276a2443e5ecfabc1008bf15a36c12e6a7176e7bf089ea9131140"
+dependencies = [
+ "bitflags 2.4.1",
+ "bytes",
+ "futures-core",
+ "futures-util",
+ "http",
+ "http-body",
+ "http-range-header",
+ "httpdate",
+ "mime",
+ "mime_guess",
+ "percent-encoding",
+ "pin-project-lite",
+ "tokio",
+ "tokio-util",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
 [[package]]
 name = "tower-layer"
 version = "0.3.2"
@@ -742,7 +874,7 @@ checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -790,6 +922,15 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3528ecfd12c466c6f163363caf2d02a71161dd5e1cc6ae7b34207ea2d42d81ed"
 
+[[package]]
+name = "unicase"
+version = "2.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7d2d4dafb69621809a81864c9c1b864479e1235c0dd4e199924b9742439ed89"
+dependencies = [
+ "version_check",
+]
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.12"
@@ -802,6 +943,12 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
 
+[[package]]
+name = "version_check"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
+
 [[package]]
 name = "want"
 version = "0.3.1"
diff --git a/Cargo.toml b/Cargo.toml
index c4f285c..0e78f1b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,8 +4,11 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+anyhow = "1.0.75"
 axum = "0.6.20"
+maud = "0.25.0"
 serde = { version = "1.0.192", features = ["derive"] }
 tokio = { version = "1.34.0", features = ["full"] }
+tower-http = { version = "0.4.4", features = ["fs"] }
 tracing = "0.1.40"
 tracing-subscriber = { version = "0.3.17", features = ["env-filter"] }
diff --git a/assets/styles.css b/assets/styles.css
new file mode 100644
index 0000000..b67acd4
--- /dev/null
+++ b/assets/styles.css
@@ -0,0 +1,170 @@
+/* reset */
+
+html {
+  box-sizing: border-box;
+}
+
+*,
+*::before,
+*::after {
+  box-sizing: inherit;
+}
+
+html {
+  -moz-text-size-adjust: none;
+  -webkit-text-size-adjust: none;
+  text-size-adjust: none;
+}
+
+body,
+h1,
+h2,
+h3,
+h4,
+h5,
+h6,
+p,
+figure,
+blockquote,
+dl,
+dd {
+  margin: 0;
+}
+
+ul[class],
+ol[class] {
+  margin: 0;
+  padding: 0;
+  list-style: none;
+}
+
+html {
+  line-height: 1.5;
+}
+
+body {
+  min-height: 100dvh;
+}
+
+h1,
+h2,
+h3,
+h4,
+h5,
+h6,
+button,
+input,
+label {
+  line-height: 1.1;
+}
+
+h1,
+h2,
+h3,
+h4 {
+  text-wrap: balance;
+}
+
+img,
+picture {
+  max-width: 100%;
+  display: block;
+}
+
+input,
+button,
+textarea,
+select {
+  font: inherit;
+}
+
+textarea:not([rows]) {
+  min-height: 10em;
+  /* form-sizing: normal; */
+}
+
+:target {
+  scroll-margin-block: 5ex;
+}
+
+a[class] {
+  color: currentColor;
+}
+
+/* end reset */
+
+/* global classes */
+
+.flex {
+  display: flex;
+}
+
+.flex-col {
+  flex-direction: column;
+}
+
+/* end global classes */
+
+:root {
+  --font: monospace;
+
+  --bg: #fff;
+  --bg2: #eee;
+  --primary: #8b5cf6;
+  --text: #111;
+  --link: #04f;
+}
+
+@media (prefers-color-scheme: dark) {
+  :root {
+    --bg: #111;
+    --bg2: #222;
+    --primary: #8b5cf6;
+    --text: #ccc;
+    --link: #0af;
+    --link-visited: #faf;
+  }
+}
+
+a:not([class]) {
+  color: var(--link);
+}
+
+a:not([class]):visited {
+  color: var(--link-visited);
+}
+
+a.primary {
+  color: var(--primary);
+  text-decoration: none;
+}
+
+html {
+  background-color: var(--bg);
+  color: var(--text);
+  font-family: var(--font);
+  font-size: 16px;
+}
+
+body>header {
+  justify-content: space-between;
+  /* border-bottom: solid 1px var(--bg2); */
+  background-color: var(--bg);
+  box-shadow: 0 -1px 1ex rgba(0, 0, 0, 0.5);
+}
+
+body>header>nav {
+  justify-content: space-between;
+}
+
+body>header a {
+  display: flex;
+  align-items: center;
+  padding: 1ex;
+  transition: color 0.1s ease-out, background-color 0.1s ease-out;
+}
+
+body>header a:hover {
+  background-color: var(--primary);
+  color: var(--bg);
+}
\ No newline at end of file
diff --git a/contract.hurl b/contract.hurl
index d8dddb2..87f1968 100644
--- a/contract.hurl
+++ b/contract.hurl
@@ -1,2 +1,13 @@
 GET {{base}}
 HTTP 404
+content-length: 0
+
+GET {{base}}/hello-world
+HTTP 200
+Content-Type: text/html; charset=utf-8
+<h1>Hello, world!</h1>
+
+GET {{base}}/hello-world-text
+HTTP 200
+Content-Type: text/plain; charset=utf-8
+"Hello, world!"
diff --git a/flake.nix b/flake.nix
index 5ecf97a..c186c9f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -47,6 +47,7 @@
             rustfmt
             rustPackages.clippy
             rust-analyzer
+            nodePackages_latest.vscode-langservers-extracted
           ];
           RUST_SRC_PATH = rustPlatform.rustLibSrc;
         };
diff --git a/src/main.rs b/src/main.rs
index 3e39294..d462b10 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,27 +1,104 @@
 //! lyrs entrypoint
 
 use axum::{response::Html, routing::get, Router};
+use maud::html;
 use std::net::SocketAddr;
-use tracing::info;
+use tower_http::services::ServeDir;
+use tracing::{info, instrument, trace};
+use tracing_subscriber::{
+    filter::{Directive, LevelFilter},
+    EnvFilter,
+};
 
-#[tokio::main]
-async fn main() {
-    tracing_subscriber::fmt().init();
-    let app = Router::new()
+fn setup_trace_logger() {
+    let default_filter: Result<EnvFilter, tracing_subscriber::filter::ParseError> =
+        Ok(EnvFilter::builder()
+            .with_default_directive(LevelFilter::INFO.into())
+            .parse("info")
+            .unwrap());
+
+    let default_directive: Result<Directive, tracing_subscriber::filter::ParseError> =
+        "lyrs=trace".parse();
+
+    if default_directive.is_err() {
+        println!("{:?}", default_directive);
+    }
+
+    let filter = EnvFilter::try_from_env("LOG_FILTER")
+        .or(default_filter)
+        .unwrap()
+        .add_directive(LevelFilter::INFO.into())
+        .add_directive("lyrs=trace".parse().unwrap());
+
+    tracing_subscriber::fmt().with_env_filter(filter).init();
+
+    trace!("Starting...");
+}
+
+fn router() -> Router {
+    let app_router = Router::new()
         .route("/hello-world", get(greet_world))
         .route("/hello-world-text", get(greet_world_text));
+
+    let assets_dir = ServeDir::new("./assets");
+
+    Router::new()
+        .nest("/app", app_router)
+        .nest_service("/assets", assets_dir)
+        .route("/", get(index))
+}
+
+async fn listen(r: Router) {
     let addr = SocketAddr::from(([127, 0, 0, 1], 3000));
     info!("Listening on '{}'", addr);
     axum::Server::bind(&addr)
-        .serve(app.into_make_service())
+        .serve(r.into_make_service())
         .await
         .unwrap();
 }
 
-async fn greet_world() -> Html<&'static str> {
-    Html("<h1>Hello, World!</h1>")
+#[tokio::main]
+async fn main() {
+    setup_trace_logger();
+    listen(router()).await;
 }
 
+#[instrument]
+async fn index() -> Html<String> {
+    Html(
+        html! {
+            head {
+                link rel="stylesheet" href="/assets/styles.css" {}
+            }
+            header class="flex" {
+                nav class="flex" {
+                    h1 {
+                        a class="primary" href="/" { "lyrs" }
+                    }
+                }
+                nav class="flex" {
+                    ul class="flex"
+                    {
+                        a class="primary" href="/login" { "Login" }
+                    }
+                }
+            }
+        }
+        .into_string(),
+    )
+}
+
+#[instrument]
+async fn greet_world() -> Html<String> {
+    Html(
+        html! {
+            h1 { (greet_world_text().await) }
+        }
+        .into_string(),
+    )
+}
+
+#[instrument]
 async fn greet_world_text() -> &'static str {
     "Hello, World!"
 }