use serde::Deserialize;
use std::fs;

#[derive(Debug, Deserialize, Clone)]
pub struct Config {
    pub database_path: String,
    pub bind: String,
    pub notification_webhook: Option<String>,
    pub notification_webhook_token: Option<String>,
    pub base_url: String,
}

impl Default for Config {
    fn default() -> Self {
        Self {
            database_path: "/home/node/.openclaw/workspace/config/action-gateway.db".into(),
            bind: "0.0.0.0:7878".into(),
            notification_webhook: None,
            notification_webhook_token: None,
            base_url: "http://localhost:7878".into(),
        }
    }
}

impl Config {
    pub fn load() -> Self {
        // Check multiple locations in order
        let paths = [
            std::env::var("GATEWAY_CONFIG").unwrap_or_default(),
            "/srv/action-gateway/action-gateway.toml".into(),
            "/home/node/.openclaw/workspace/config/action-gateway.toml".into(),
        ];
        for path in &paths {
            if path.is_empty() { continue; }
            if let Ok(contents) = fs::read_to_string(path) {
                return toml::from_str(&contents).unwrap_or_default();
            }
        }
        Config::default()
    }
}