const express = require('express');
const asyncHandler = require('../src/utils/async-handler');
const { errorResponse } = require('../src/utils/responses');

module.exports = function({ licenseManager }) {
  const router = express.Router();

  router.post('/activate', asyncHandler(async (req, res) => {
    const { code } = req.body;
    if (!code) {
      return errorResponse(res, 400, 'License code is required');
    }

    const result = await licenseManager.activate(code);

    if (result.success) {
      res.json({ success: true, message: result.message, license: result.activation });
    } else {
      errorResponse(res, 400, result.message);
    }
  }, 'license-activate'));

  router.get('/status', asyncHandler(async (req, res) => {
    const status = licenseManager.getStatus();
    res.json({ success: true, license: status });
  }, 'license-status'));

  router.post('/deactivate', asyncHandler(async (req, res) => {
    const result = await licenseManager.deactivate();

    if (result.success) {
      res.json({ success: true, message: result.message });
    } else {
      errorResponse(res, 400, result.message);
    }
  }, 'license-deactivate'));

  router.get('/feature/:feature', asyncHandler(async (req, res) => {
    const { feature } = req.params;
    const available = licenseManager.hasFeature(feature);
    const status = licenseManager.getStatus();

    res.json({
      success: true,
      feature,
      available,
      tier: status.tier,
      ...(available ? {} : {
        upgradeUrl: '/settings#license',
        message: `${status.premiumFeatures[feature]?.name || feature} requires DashCaddy Premium`,
      }),
    });
  }, 'license-feature-check'));

  return router;
};