<?php

namespace Modules\HrmAddon\App\Http\Controllers;

use App\Models\Branch;
use App\Models\PaymentType;
use App\Models\Transaction;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use App\Http\Controllers\Controller;
use App\Events\MultiPaymentProcessed;
use Modules\HrmAddon\App\Models\Payroll;
use Modules\HrmAddon\App\Models\Employee;

class AcnooPayrollController extends Controller
{
    public function __construct()
    {
        $this->middleware('check.permission:payrolls.read')->only(['index']);
        $this->middleware('check.permission:payrolls.create')->only(['store']);
        $this->middleware('check.permission:payrolls.update')->only(['update']);
        $this->middleware('check.permission:payrolls.delete')->only(['destroy', 'deleteAll']);
    }

    public function index(Request $request)
    {
        $employees = Employee::where('business_id', auth()->user()->business_id)->whereStatus('active')->latest()->get();
        $payment_types = PaymentType::where('business_id', auth()->user()->business_id)->whereStatus(1)->latest()->get();

        $payrolls = Payroll::with(['employee:id,name', 'payment_type:id,name', 'branch:id,name'])
            ->where('business_id', auth()->user()->business_id)
            ->when($request->branch_id, function ($q) use ($request) {
                $q->where('branch_id', $request->branch_id);
            })
            ->when($request->search, function ($query) use ($request) {
                $search = $request->search;
                $query->where(function ($query) use ($search) {
                    $query->where('puid', 'like', '%' . $search . '%')
                        ->orWhere('amount', 'like', '%' . $search . '%')
                        ->orWhereHas('employee', function ($q) use ($search) {
                            $q->where('name', 'like', '%' . $search . '%');
                        })
                        ->orWhereHas('branch', function ($q) use ($search) {
                            $q->where('name', 'like', '%' . $search . '%');
                        })
                        ->orWhereHas('payment_type', function ($q) use ($search) {
                            $q->where('name', 'like', '%' . $search . '%');
                        });
                });
            })
            ->when($request->employee, function ($query) use ($request) {
                $employeeId = $request->employee;
                $query->where('employee_id', $employeeId);
            })
            ->when($request->filled('month'), function ($query) use ($request) {
                $query->where('month', $request->month);
            })
            ->latest()
            ->paginate($request->per_page ?? 20)->appends($request->query());

        if ($request->ajax()) {
            return response()->json([
                'data' => view('hrmaddon::payrolls.datas', compact('payrolls'))->render()
            ]);
        }

        $branches = Branch::withTrashed()->where('business_id', auth()->user()->business_id)->latest()->get();

        return view('hrmaddon::payrolls.index', compact('payrolls', 'employees', 'payment_types', 'branches'));
    }

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

        DB::beginTransaction();
        try {

            $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);
            }

            updateBalance($request->amount, 'decrement');

            $payroll = Payroll::create($request->except('business_id', 'payment_type_id') + [
                            'business_id' => auth()->user()->business_id,
                            'payment_type_id' => $request->payment_type_id != 'cash' ? $request->payment_type_id : NULL,
                        ]);

            $payments = [['amount' => $request->amount, 'type'   => $request->payment_type_id]];


            // MultiPaymentProcessed Event
            event(new MultiPaymentProcessed(
                $payments,
                $payroll->id,
                'payroll',
                $total_amount ?? 0,
            ));

            DB::commit();

            return response()->json([
                'message' => __('Payroll created successfully'),
                'redirect' => route('hrm.payrolls.index')
            ]);
        } catch (\Exception $e) {
            DB::rollback();
            return response()->json(['message' => __('Somethings went wrong!')], 404);
        }
    }

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

        DB::beginTransaction();
        try {

            $business_id = auth()->user()->business_id;
            $payroll = Payroll::where('business_id', $business_id)->findOrFail($id);

            updateBalance($request->amount - $payroll->amount, 'decrement');

            $payroll->update($request->except(['business_id', 'amount', 'payment_type_id']) + [
                'payment_type_id' => $request->payment_type_id != 'cash' ? $request->payment_type_id : NULL
            ]);

            // Delete old transactions
            $transaction = Transaction::where('business_id', $business_id)
                            ->where([
                                'platform' => 'payroll',
                                'reference_id' => $payroll->id
                            ])
                            ->first();

            if ($transaction->bank_payment) {
                PaymentType::find($transaction->payment_type_id)->decrement('balance', $transaction->amount);
            }
            $transaction->delete();

            $payments = [['amount' => $request->amount, 'type' => $request->payment_type_id]];

            // Process new payments
            event(new MultiPaymentProcessed(
                $payments,
                $payroll->id,
                'payroll',
                $request->amount,
            ));

            DB::commit();

            return response()->json([
                'message' => __('Payroll Updated successfully'),
                'redirect' => route('hrm.payrolls.index')
            ]);
        } catch (\Exception $e) {
            DB::rollback();
            return response()->json(['message' => $e->getMessage()], 404);
        }
    }

    public function destroy($id)
    {
        $payroll = Payroll::findOrFail($id);

        $payroll->delete();
        return response()->json([
            'message' => __('Payroll Deleted Successfully'),
            'redirect' => route('hrm.payrolls.index')
        ]);
    }

    public function deleteAll(Request $request)
    {
        Payroll::whereIn('id', $request->input('ids'))->delete();

        return response()->json([
            'message' => __('All Payrolls deleted successfully'),
            'redirect' => route('hrm.payrolls.index')
        ]);
    }

    public function getEmpAmount()
    {
        $employee = Employee::findOrFail(request('employee_id'));

        return response()->json([
            'data' => [
                'amount' => $employee->amount
            ]
        ]);
    }
}