<?php

namespace App\Http\Controllers\Api\Admin\HR;

use App\Http\Controllers\Controller;
use App\Services\HR\AttendanceService;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Http\Response;

class AttendanceController extends Controller
{
    public function __construct(
        private AttendanceService $attendanceService
    ) {}

    /**
     * 근태 목록 조회 (HTMX → HTML / 일반 → JSON)
     */
    public function index(Request $request): JsonResponse|Response
    {
        $attendances = $this->attendanceService->getAttendances(
            $request->all(),
            $request->integer('per_page', 20)
        );

        if ($request->header('HX-Request')) {
            return response(view('hr.attendances.partials.table', compact('attendances')));
        }

        return response()->json([
            'success' => true,
            'data' => $attendances->items(),
            'meta' => [
                'current_page' => $attendances->currentPage(),
                'last_page' => $attendances->lastPage(),
                'per_page' => $attendances->perPage(),
                'total' => $attendances->total(),
            ],
        ]);
    }

    /**
     * 월간 통계
     */
    public function stats(Request $request): JsonResponse
    {
        $stats = $this->attendanceService->getMonthlyStats(
            $request->integer('year') ?: null,
            $request->integer('month') ?: null
        );

        return response()->json([
            'success' => true,
            'data' => $stats,
        ]);
    }

    /**
     * 근태 등록
     */
    public function store(Request $request): JsonResponse
    {
        $validated = $request->validate([
            'user_id' => 'required|integer|exists:users,id',
            'base_date' => 'required|date',
            'status' => 'required|string|in:onTime,late,absent,vacation,businessTrip,fieldWork,overtime,remote',
            'check_in' => 'nullable|date_format:H:i',
            'check_out' => 'nullable|date_format:H:i',
            'remarks' => 'nullable|string|max:500',
        ]);

        try {
            $attendance = $this->attendanceService->storeAttendance($validated);

            return response()->json([
                'success' => true,
                'message' => '근태가 등록되었습니다.',
                'data' => $attendance,
            ], 201);
        } catch (\Throwable $e) {
            report($e);

            return response()->json([
                'success' => false,
                'message' => '근태 등록 중 오류가 발생했습니다.',
                'error' => config('app.debug') ? $e->getMessage() : null,
            ], 500);
        }
    }

    /**
     * 근태 수정
     */
    public function update(Request $request, int $id): JsonResponse
    {
        $validated = $request->validate([
            'status' => 'sometimes|required|string|in:onTime,late,absent,vacation,businessTrip,fieldWork,overtime,remote',
            'check_in' => 'nullable|date_format:H:i',
            'check_out' => 'nullable|date_format:H:i',
            'remarks' => 'nullable|string|max:500',
        ]);

        try {
            $attendance = $this->attendanceService->updateAttendance($id, $validated);

            if (! $attendance) {
                return response()->json([
                    'success' => false,
                    'message' => '근태 정보를 찾을 수 없습니다.',
                ], 404);
            }

            return response()->json([
                'success' => true,
                'message' => '근태가 수정되었습니다.',
                'data' => $attendance,
            ]);
        } catch (\Throwable $e) {
            report($e);

            return response()->json([
                'success' => false,
                'message' => '근태 수정 중 오류가 발생했습니다.',
                'error' => config('app.debug') ? $e->getMessage() : null,
            ], 500);
        }
    }

    /**
     * 근태 삭제
     */
    public function destroy(Request $request, int $id): JsonResponse|Response
    {
        try {
            $result = $this->attendanceService->deleteAttendance($id);

            if (! $result) {
                return response()->json([
                    'success' => false,
                    'message' => '근태 정보를 찾을 수 없습니다.',
                ], 404);
            }

            if ($request->header('HX-Request')) {
                $attendances = $this->attendanceService->getAttendances(
                    $request->all(),
                    $request->integer('per_page', 20)
                );

                return response(view('hr.attendances.partials.table', compact('attendances')));
            }

            return response()->json([
                'success' => true,
                'message' => '근태가 삭제되었습니다.',
            ]);
        } catch (\Throwable $e) {
            report($e);

            return response()->json([
                'success' => false,
                'message' => '근태 삭제 중 오류가 발생했습니다.',
                'error' => config('app.debug') ? $e->getMessage() : null,
            ], 500);
        }
    }
}