import fs from 'fs-extra';
import path from 'path';
import { fileURLToPath } from 'url';

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

const CONFIG_FILE = path.join(__dirname, 'config.json');

// Default config
const DEFAULT_CONFIG = {
    activeTheme: 'default',
    postWidth: 'max-w-4xl'
};

// Initialize config file
async function initializeConfig() {
    try {
        if (!(await fs.pathExists(CONFIG_FILE))) {
            await fs.writeJSON(CONFIG_FILE, DEFAULT_CONFIG, { spaces: 2 });
            console.log('⚙️ Initialized config system');
        }
    } catch (error) {
        console.error('Error initializing config:', error);
    }
}

// Load config data
async function loadConfig() {
    try {
        if (await fs.pathExists(CONFIG_FILE)) {
            return await fs.readJSON(CONFIG_FILE);
        }
        return DEFAULT_CONFIG;
    } catch (error) {
        console.error('Error loading config:', error);
        return DEFAULT_CONFIG;
    }
}

// Save config data
async function saveConfig(configData) {
    try {
        await fs.writeJSON(CONFIG_FILE, configData, { spaces: 2 });
    } catch (error) {
        console.error('Error saving config:', error);
        throw error;
    }
}

// Initialize on load
await initializeConfig();

// Config getters/setters
export async function getConfig() {
    return await loadConfig();
}

export async function updateConfig(updates) {
    const currentConfig = await loadConfig();
    const newConfig = { ...currentConfig, ...updates };
    await saveConfig(newConfig);
    return newConfig;
}

export async function getActiveThemeId() {
    const config = await loadConfig();
    return config.activeTheme;
}

export async function setActiveThemeId(themeId) {
    return await updateConfig({ activeTheme: themeId });
}

export async function getPostWidth() {
    const config = await loadConfig();
    return config.postWidth;
}

export async function setPostWidth(width) {
    return await updateConfig({ postWidth: width });
}