<?php

namespace Modules\HrmAddon\App\Http\Controllers\Api;

use App\Events\MultiPaymentProcessed;
use Illuminate\Http\Request;
use App\Http\Controllers\Controller;
use Modules\HrmAddon\App\Models\Payroll;
use Modules\HrmAddon\App\Models\Employee;

class PayrollController extends Controller
{
    public function index()
    {
        $payrolls = Payroll::with(['employee:id,name', 'branch:id,name', 'transactions:id,platform,transaction_type,amount,date,invoice_no,reference_id,payment_type_id,meta', 'transactions.paymentType:id,name'])->where('business_id', auth()->user()->business_id)->latest()->get();

        return response()->json([
            'message' => __('Data fetched successfully.'),
            'data' => $payrolls,
        ]);
    }

    public function show($id)
    {
        $data = Payroll::with(['employee:id,name', 'branch:id,name',  'transactions:id,platform,transaction_type,amount,date,invoice_no,reference_id,payment_type_id,meta', 'transactions.paymentType:id,name'])->where('business_id', auth()->user()->business_id)->find($id);

        return response()->json([
            'message' => __('Data fetched successfully.'),
            'data' => $data,
        ]);
    }

    public function store(Request $request)
    {
        $request->validate([
            'employee_id' => 'required|integer|exists:employees,id',
            'month' => 'required|string',
            'date' => 'nullable|date',
            'note' => 'nullable|string',
            'payemnt_year' => 'required|string',
        ]);

        $exists = Payroll::where('employee_id', $request->employee_id)
            ->where('month', $request->month)
            ->where('payemnt_year', $request->payemnt_year)
            ->where('business_id', auth()->user()->business_id)
            ->exists();

        if ($exists) {
            return response()->json([
                'message' => __('This employee has already been paid for this month and year.'),
            ], 422);
        }

        $employee = Employee::where('business_id', auth()->user()->business_id)->findOrFail($request->employee_id);

        $data = Payroll::create($request->except(['business_id', 'amount']) + [
            'business_id' => auth()->user()->business_id,
            'amount' => $employee->amount,
        ]);

        // Handle payments
        $payments = collect($request->payments ?? [])->map(function ($payment) use ($employee) {
            $payment['amount'] = $employee->amount;
            return $payment;
        })->toArray();

        // Trigger multipayment event
        event(new MultiPaymentProcessed(
            $payments,
            $data->id,
            'payroll',
            $employee->amount ?? 0,
        ));

        return response()->json([
            'message' => __('Data saved successfully.'),
            'data' => $data,
        ]);
    }

    public function update(Request $request, string $id)
    {
        $request->validate([
            'employee_id' => 'required|integer|exists:employees,id',
            'date' => 'nullable|date',
            'month' => 'required|string',
            'note' => 'nullable|string',
            'payemnt_year' => 'required|string',
        ]);

        $Payroll = Payroll::find($id);

        if (!$Payroll) {
            return response()->json([
                'message' => __('Data not found.'),
            ], 404);
        }

        $exists = Payroll::where('employee_id', $request->employee_id)
            ->where('month', $request->month)
            ->where('payemnt_year', $request->payemnt_year)
            ->where('business_id', auth()->user()->business_id)
            ->where('id', '!=', $id)
            ->exists();

        if ($exists) {
            return response()->json([
                'message' => __('This employee has already been paid for this month and year.'),
            ], 422);
        }

        $Payroll->update($request->except(['business_id', 'amount']));

        return response()->json([
            'message' => __('Data update successfully.'),
            'data' => $Payroll,
        ]);
    }

    public function destroy(string $id)
    {
        $Payroll = Payroll::where('business_id', auth()->user()->business_id)->find($id);

        if (!$Payroll) {
            return response()->json([
                'message' => __('Data not found.'),
            ], 404);
        }

        $Payroll->delete();

        return response()->json([
            'message' => __('Data deleted successfully.'),
        ]);
    }
}