import { Response, NextFunction } from 'express';
import { AuthRequest } from '../../shared/middleware/auth';
import { portalService } from './portal.service';
import { ResponseFormatter } from '../../shared/utils/responseFormatter';

export class PortalController {
  async getMe(req: AuthRequest, res: Response, next: NextFunction) {
    try {
      const data = await portalService.getMe(req.user?.employeeId);
      res.json(ResponseFormatter.success(data));
    } catch (error) {
      next(error);
    }
  }

  async getMyLoans(req: AuthRequest, res: Response, next: NextFunction) {
    try {
      const loans = await portalService.getMyLoans(req.user?.employeeId);
      res.json(ResponseFormatter.success(loans));
    } catch (error) {
      next(error);
    }
  }

  async submitLoanRequest(req: AuthRequest, res: Response, next: NextFunction) {
    try {
      const loan = await portalService.submitLoanRequest(req.user?.employeeId, req.body, req.user!.id);
      res.status(201).json(ResponseFormatter.success(loan, 'تم إرسال طلب القرض - Loan request submitted'));
    } catch (error) {
      next(error);
    }
  }

  async getMyLeaveBalance(req: AuthRequest, res: Response, next: NextFunction) {
    try {
      const year = req.query.year ? parseInt(req.query.year as string) : undefined;
      const balance = await portalService.getMyLeaveBalance(req.user?.employeeId, year);
      res.json(ResponseFormatter.success(balance));
    } catch (error) {
      next(error);
    }
  }

  async getMyLeaves(req: AuthRequest, res: Response, next: NextFunction) {
    try {
      const leaves = await portalService.getMyLeaves(req.user?.employeeId);
      res.json(ResponseFormatter.success(leaves));
    } catch (error) {
      next(error);
    }
  }
  async getManagedLeaves(req: AuthRequest, res: Response, next: NextFunction) {
    try {
      const status = req.query.status as string | undefined;
      const leaves = await portalService.getManagedLeaves(req.user?.employeeId, status);
      res.json(ResponseFormatter.success(leaves));
    } catch (error) {
      next(error);
    }
  }

  async approveManagedLeave(req: AuthRequest, res: Response, next: NextFunction) {
    try {
      const leave = await portalService.approveManagedLeave(req.user?.employeeId, req.params.id, req.user!.id);
      res.json(ResponseFormatter.success(leave, 'تمت الموافقة على الإجازة من قبل مدير القسم - Leave approved by department manager'));
    } catch (error) {
      next(error);
    }
  }

  async rejectManagedLeave(req: AuthRequest, res: Response, next: NextFunction) {
    try {
      const { rejectedReason } = req.body;
      const leave = await portalService.rejectManagedLeave(
        req.user?.employeeId,
        req.params.id,
        rejectedReason || '',
        req.user!.id
      );
      res.json(ResponseFormatter.success(leave, 'تم رفض طلب الإجازة من قبل مدير القسم - Leave rejected by department manager'));
    } catch (error) {
      next(error);
    }
  }


  async getMyOvertimeRequests(req: AuthRequest, res: Response, next: NextFunction) {
    try {
      const data = await portalService.getMyOvertimeRequests(req.user?.employeeId);
      res.json(ResponseFormatter.success(data));
    } catch (error) {
      next(error);
    }
  }

  async submitOvertimeRequest(req: AuthRequest, res: Response, next: NextFunction) {
    try {
      const data = {
        date: req.body.date,
        hours: req.body.hours,
        reason: req.body.reason,
      };

      const result = await portalService.submitOvertimeRequest(req.user?.employeeId, data, req.user!.id);
      res.status(201).json(ResponseFormatter.success(result, 'تم إرسال طلب الساعات الإضافية'));
    } catch (error) {
      next(error);
    }
  }

  async getManagedOvertimeRequests(req: AuthRequest, res: Response, next: NextFunction) {
    try {
      const data = await portalService.getManagedOvertimeRequests(req.user?.employeeId);
      res.json(ResponseFormatter.success(data));
    } catch (error) {
      next(error);
    }
  }

  async approveManagedOvertimeRequest(req: AuthRequest, res: Response, next: NextFunction) {
    try {
      const result = await portalService.approveManagedOvertimeRequest(
        req.user?.employeeId,
        req.params.attendanceId,
        req.user!.id
      );
      res.json(ResponseFormatter.success(result, 'تمت الموافقة على طلب الساعات الإضافية'));
    } catch (error) {
      next(error);
    }
  }

  async rejectManagedOvertimeRequest(req: AuthRequest, res: Response, next: NextFunction) {
    try {
      const result = await portalService.rejectManagedOvertimeRequest(
        req.user?.employeeId,
        req.params.attendanceId,
        req.body.rejectedReason || '',
        req.user!.id
      );
      res.json(ResponseFormatter.success(result, 'تم رفض طلب الساعات الإضافية'));
    } catch (error) {
      next(error);
    }
  }

  async submitLeaveRequest(req: AuthRequest, res: Response, next: NextFunction) {
    try {
      const data = {
        ...req.body,
        startDate: new Date(req.body.startDate),
        endDate: new Date(req.body.endDate),
      };
      const leave = await portalService.submitLeaveRequest(req.user?.employeeId, data, req.user!.id);
      res.status(201).json(ResponseFormatter.success(leave, 'تم إرسال طلب الإجازة - Leave request submitted'));
    } catch (error) {
      next(error);
    }
  }

  async getMyPurchaseRequests(req: AuthRequest, res: Response, next: NextFunction) {
    try {
      const requests = await portalService.getMyPurchaseRequests(req.user?.employeeId);
      res.json(ResponseFormatter.success(requests));
    } catch (error) {
      next(error);
    }
  }

  async submitPurchaseRequest(req: AuthRequest, res: Response, next: NextFunction) {
    try {
      const pr = await portalService.submitPurchaseRequest(req.user?.employeeId, req.body, req.user!.id);
      res.status(201).json(ResponseFormatter.success(pr, 'تم إرسال طلب الشراء - Purchase request submitted'));
    } catch (error) {
      next(error);
    }
  }

  async getMyAttendance(req: AuthRequest, res: Response, next: NextFunction) {
    try {
      const month = req.query.month ? parseInt(req.query.month as string) : undefined;
      const year = req.query.year ? parseInt(req.query.year as string) : undefined;
      const attendance = await portalService.getMyAttendance(req.user?.employeeId, month, year);
      res.json(ResponseFormatter.success(attendance));
    } catch (error) {
      next(error);
    }
  }

  async getMySalaries(req: AuthRequest, res: Response, next: NextFunction) {
    try {
      const salaries = await portalService.getMySalaries(req.user?.employeeId);
      res.json(ResponseFormatter.success(salaries));
    } catch (error) {
      next(error);
    }
  }
}

export const portalController = new PortalController();