Initial commit

src/config.rs

@@ -0,0 +1,51 @@
+use serde::{Deserialize, Serialize};
+use anyhow::Result;
+use std::fs;
+use std::path::PathBuf;
+
+#[derive(Debug, Deserialize, Serialize, Clone)]
+pub struct Config {
+    pub server_url: String,
+    pub timeout_sec: u64,
+    #[serde(default = "default_theme")]
+    pub theme: Theme,
+}
+
+#[derive(Debug, Deserialize, Serialize, Clone)]
+pub struct Theme {
+    #[serde(default = "default_selected_bg")]
+    pub selected_bg: String,
+}
+
+fn default_selected_bg() -> String {
+    "blue".to_string()
+}
+
+fn default_theme() -> Theme {
+    Theme {
+        selected_bg: default_selected_bg(),
+    }
+}
+
+impl Config {
+    pub fn load() -> Result<Self> {
+        let config_path = dirs::config_dir()
+            .unwrap_or_else(|| PathBuf::from("."))
+            .join("tui-client")
+            .join("config.toml");
+
+        if !config_path.exists() {
+            let default = Config {
+                server_url: "http://localhost:8080/api/menu".to_string(),
+                timeout_sec: 10,
+                theme: default_theme(),
+            };
+            fs::create_dir_all(config_path.parent().unwrap())?;
+            fs::write(config_path, toml::to_string_pretty(&default)?)?;
+            return Ok(default);
+        }
+
+        let content = fs::read_to_string(config_path)?;
+        Ok(toml::from_str(&content)?)
+    }
+}