From e552035142b36fa1da78faed5cf83ff89f4506c5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gustav=20S=C3=B6rn=C3=A4s?= <gustav@sornas.net>
Date: Mon, 19 Oct 2020 01:32:50 +0200
Subject: initial reading of config file

---
 mumlib/Cargo.toml    |  1 +
 mumlib/src/config.rs | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 mumlib/src/lib.rs    |  1 +
 3 files changed, 62 insertions(+)
 create mode 100644 mumlib/src/config.rs

(limited to 'mumlib')

diff --git a/mumlib/Cargo.toml b/mumlib/Cargo.toml
index a2627d4..471a1fe 100644
--- a/mumlib/Cargo.toml
+++ b/mumlib/Cargo.toml
@@ -13,3 +13,4 @@ fern = "0.5"
 log = "0.4"
 mumble-protocol = "0.3"
 serde = { version = "1.0", features = ["derive"] }
+toml = "0.5"
diff --git a/mumlib/src/config.rs b/mumlib/src/config.rs
new file mode 100644
index 0000000..0012cc6
--- /dev/null
+++ b/mumlib/src/config.rs
@@ -0,0 +1,60 @@
+use serde::Deserialize;
+use std::fs;
+use toml::value::Array;
+
+#[derive(Debug, Deserialize)]
+struct TOMLConfig {
+    audio: Option<AudioConfig>,
+    servers: Option<Array>,
+}
+
+#[derive(Debug, Deserialize)]
+pub struct Config {
+    pub audio: Option<AudioConfig>,
+    pub servers: Option<Vec<ServerConfig>>,
+}
+
+#[derive(Debug, Deserialize)]
+pub struct AudioConfig {
+    pub input_volume: Option<f32>,
+}
+
+#[derive(Debug, Deserialize)]
+pub struct ServerConfig {
+    pub name: String,
+    pub host: String,
+    pub port: u16,
+    pub username: Option<String>,
+    pub password: Option<String>,
+}
+
+fn get_cfg_path() -> String {
+    "~/.mumdrc".to_string() //TODO XDG_CONFIG and whatever
+}
+
+impl From<TOMLConfig> for Config {
+    fn from(config: TOMLConfig) -> Self {
+        Config {
+            audio: config.audio,
+            servers: if let Some(servers) = config.servers {
+                Some(servers
+                    .into_iter()
+                    .map(|s| s.try_into::<ServerConfig>().expect("invalid server config format"))
+                    .collect())
+            } else {
+                None
+            },
+        }
+    }
+}
+
+pub fn read_default_cfg() -> Config {
+    //TODO ignore when config file doesn't exist
+    Config::from(
+        toml::from_str::<TOMLConfig>(
+            &fs::read_to_string(
+                get_cfg_path())
+                .expect("config file not found")
+                .to_string())
+            .unwrap())
+}
diff --git a/mumlib/src/lib.rs b/mumlib/src/lib.rs
index b26db13..93b7682 100644
--- a/mumlib/src/lib.rs
+++ b/mumlib/src/lib.rs
@@ -1,4 +1,5 @@
 pub mod command;
+pub mod config;
 pub mod error;
 pub mod state;
 
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