const ResponseHandler = require('../shared/response.handler');

class FriendsController {
  constructor({ friendsService }) {
    this.friendsService = friendsService;
  }

  async getFriends(req, res, next) {
    try {
      const friends = await this.friendsService.getFriendsByUserId(req.userId);
      return ResponseHandler.success(res, friends, 'Friends retrieved successfully');
    } catch (error) {
      next(error);
    }
  }

  async getPendingRequests(req, res, next) {
    try {
      const requests = await this.friendsService.getPendingRequests(req.userId);
      return ResponseHandler.success(
        res,
        requests,
        'Pending requests retrieved successfully'
      );
    } catch (error) {
      next(error);
    }
  }

  async sendRequest(req, res, next) {
    try {
      const request = await this.friendsService.sendFriendRequest(
        req.userId,
        req.body.identifier
      );
      return ResponseHandler.created(res, request, 'Friend request sent successfully');
    } catch (error) {
      next(error);
    }
  }

  async acceptRequest(req, res, next) {
    try {
      const result = await this.friendsService.acceptFriendRequest(
        req.params.id,
        req.userId
      );
      return ResponseHandler.success(res, result, result.message);
    } catch (error) {
      next(error);
    }
  }

  async rejectRequest(req, res, next) {
    try {
      const result = await this.friendsService.rejectFriendRequest(
        req.params.id,
        req.userId
      );
      return ResponseHandler.success(res, result, result.message);
    } catch (error) {
      next(error);
    }
  }
}

module.exports = FriendsController;