<?php

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

use Illuminate\Http\Request;
use Illuminate\Support\Carbon;
use App\Http\Controllers\Controller;
use Modules\HrmAddon\App\Models\Leave;
use Modules\HrmAddon\App\Models\Employee;

class LeaveController extends Controller
{
    public function index(Request $request)
    {
        $leaves = Leave::with(['employee:id,name', 'branch:id,name', 'leave_type:id,name', 'department:id,name'])
            ->where('business_id', auth()->user()->business_id)
            ->when($request->employee_id, function ($query) use ($request) {
                $query->where('employee_id', $request->employee_id);
            })
            ->when($request->month, function ($query) use ($request) {
                $month = strtolower($request->month);
                $query->whereRaw("LOWER(month) = ?", [$month]);
            })
            ->latest()->get();

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

    public function show($id)
    {
        $data = Leave::with(['employee:id,name', 'branch:id,name', 'leave_type:id,name', 'department:id,name'])->where('business_id', auth()->user()->business_id)->find($id);

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

    public function store(Request $request)
    {
        $request->validate([
            'employee_id'     => 'required|exists:employees,id',
            'leave_type_id'   => 'required|exists:leave_types,id',
            'start_date'      => 'required|date',
            'end_date'        => 'required|date|after_or_equal:start_date',
            'leave_duration'  => 'required|numeric|min:0.5',
            'month'           => 'required|string',
            'status'          => 'required|in:pending,approved,rejected',
            'description'     => 'nullable|string',
        ]);

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

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

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

    public function update(Request $request, string $id)
    {
        $request->validate([
            'employee_id'     => 'required|exists:employees,id',
            'leave_type_id'   => 'required|exists:leave_types,id',
            'start_date'      => 'required|date',
            'end_date'        => 'required|date|after_or_equal:start_date',
            'leave_duration'  => 'required|numeric|min:0.5',
            'month'           => 'required|string',
            'status'          => 'required|in:pending,approved,rejected',
            'description'     => 'nullable|string',
        ]);

        $leave = Leave::find($id);

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

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

        $leave->update($request->except('business_id','department_id') + [
            'department_id' => $employee->department_id,
        ]);

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

    public function destroy(string $id)
    {
        $leave = Leave::find($id);

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

        $leave->delete();

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