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

class GroupsController {
  constructor({ groupsService }) {
    this.groupsService = groupsService;
  }

  async getAllGroups(req, res, next) {
    try {
      const groups = await this.groupsService.getAllGroups(req.userId);
      return ResponseHandler.success(res, groups, 'Groups retrieved successfully');
    } catch (error) {
      next(error);
    }
  }

  async getGroupById(req, res, next) {
    try {
      const group = await this.groupsService.getGroupById(req.params.id);
      return ResponseHandler.success(res, group, 'Group retrieved successfully');
    } catch (error) {
      next(error);
    }
  }

  async createGroup(req, res, next) {
    try {
      const group = await this.groupsService.createGroup(req.body, req.userId);
      return ResponseHandler.created(res, group, 'Group created successfully');
    } catch (error) {
      next(error);
    }
  }

  async updateGroup(req, res, next) {
    try {
      const group = await this.groupsService.updateGroup(req.params.id, req.body);
      return ResponseHandler.success(res, group, 'Group updated successfully');
    } catch (error) {
      next(error);
    }
  }

  async deleteGroup(req, res, next) {
    try {
      await this.groupsService.deleteGroup(req.params.id);
      return ResponseHandler.success(res, null, 'Group deleted successfully');
    } catch (error) {
      next(error);
    }
  }

  async addMembers(req, res, next) {
    try {
      const group = await this.groupsService.addMembersToGroup(req.params.id, req.body.userIds);
      return ResponseHandler.success(res, group, 'Members added successfully');
    } catch (error) {
      next(error);
    }
  }

  async removeMember(req, res, next) {
    try {
      const group = await this.groupsService.removeMemberFromGroup(
        req.params.id,
        req.params.userId
      );
      return ResponseHandler.success(res, group, 'Member removed successfully');
    } catch (error) {
      next(error);
    }
  }
}

module.exports = GroupsController;