use std::fs;

use crate::models::AppConfig;
use super::account::get_data_dir;

const CONFIG_FILE: &str = "config.json";

/// Load application configuration
pub fn load_app_config() -> Result<AppConfig, String> {
    let data_dir = get_data_dir()?;
    let config_path = data_dir.join(CONFIG_FILE);

    if !config_path.exists() {
        return Ok(AppConfig::new());
    }

    let content = fs::read_to_string(&config_path)
        .map_err(|e| format!("Failed to read config file: {}", e))?;

    serde_json::from_str(&content)
        .map_err(|e| format!("Failed to parse config file: {}", e))
}

/// Save application configuration
pub fn save_app_config(config: &AppConfig) -> Result<(), String> {
    let data_dir = get_data_dir()?;
    let config_path = data_dir.join(CONFIG_FILE);

    let content = serde_json::to_string_pretty(config)
        .map_err(|e| format!("Failed to serialize config: {}", e))?;

    fs::write(&config_path, content)
        .map_err(|e| format!("Failed to save config: {}", e))
}