const fs = require('fs');
const path = require('path');
const { outputsRoot } = require('./output-paths');

function webhookDir() {
  return path.join(outputsRoot(), 'webhook');
}

function ensureWebhookDir() {
  fs.mkdirSync(webhookDir(), { recursive: true });
}

function configPath() {
  ensureWebhookDir();
  return path.join(webhookDir(), 'webhook-config.json');
}

function readConfig() {
  const filePath = configPath();
  if (!fs.existsSync(filePath)) return { callbackUrl: null, secret: null, autoCreateGroup: true };
  try {
    return { callbackUrl: null, secret: null, autoCreateGroup: true, ...JSON.parse(fs.readFileSync(filePath, 'utf8')) };
  } catch {
    return { callbackUrl: null, secret: null, autoCreateGroup: true };
  }
}

function writeConfig(config) {
  ensureWebhookDir();
  fs.writeFileSync(configPath(), JSON.stringify({ ...readConfig(), ...config, updatedAt: new Date().toISOString() }, null, 2), 'utf8');
}

function relayConfigPath() {
  ensureWebhookDir();
  return path.join(webhookDir(), 'relay-config.json');
}

function readRelayConfig() {
  const filePath = relayConfigPath();
  if (!fs.existsSync(filePath)) return {};
  try {
    return JSON.parse(fs.readFileSync(filePath, 'utf8'));
  } catch {
    return {};
  }
}

function writeRelayConfig(config) {
  ensureWebhookDir();
  fs.writeFileSync(relayConfigPath(), JSON.stringify({ ...readRelayConfig(), ...config, updatedAt: new Date().toISOString() }, null, 2), 'utf8');
}

module.exports = {
  readConfig,
  writeConfig,
  readRelayConfig,
  writeRelayConfig
};