<?php

namespace App\Http\Controllers\Api\V1;

use App\Helpers\ApiResponse;
use App\Http\Controllers\Controller;
use App\Models\Barobill\BarobillMember;
use App\Services\Barobill\BarobillUsageService;
use Carbon\Carbon;
use Illuminate\Http\Request;

class BarobillUsageController extends Controller
{
    public function __construct(
        private BarobillUsageService $usageService,
    ) {}

    /**
     * 사용량 목록
     */
    public function index(Request $request)
    {
        $data = $request->validate([
            'start_date' => 'nullable|date_format:Y-m-d',
            'end_date' => 'nullable|date_format:Y-m-d',
            'tenant_id' => 'nullable|integer',
        ]);

        return ApiResponse::handle(function () use ($data) {
            $startDate = $data['start_date'] ?? Carbon::now()->startOfMonth()->format('Y-m-d');
            $endDate = $data['end_date'] ?? Carbon::now()->format('Y-m-d');
            $tenantId = $data['tenant_id'] ?? null;

            $usageList = $this->usageService->getUsageList($startDate, $endDate, $tenantId);

            return [
                'data' => $usageList,
                'stats' => $this->usageService->aggregateStats($usageList),
                'meta' => [
                    'start_date' => $startDate,
                    'end_date' => $endDate,
                ],
            ];
        }, __('message.fetched'));
    }

    /**
     * 사용량 통계
     */
    public function stats(Request $request)
    {
        $data = $request->validate([
            'start_date' => 'nullable|date_format:Y-m-d',
            'end_date' => 'nullable|date_format:Y-m-d',
            'tenant_id' => 'nullable|integer',
        ]);

        return ApiResponse::handle(function () use ($data) {
            $startDate = $data['start_date'] ?? Carbon::now()->startOfMonth()->format('Y-m-d');
            $endDate = $data['end_date'] ?? Carbon::now()->format('Y-m-d');

            $usageList = $this->usageService->getUsageList($startDate, $endDate, $data['tenant_id'] ?? null);

            return $this->usageService->aggregateStats($usageList);
        }, __('message.fetched'));
    }

    /**
     * 회원별 사용량 상세
     */
    public function show(Request $request, int $memberId)
    {
        $data = $request->validate([
            'start_date' => 'nullable|date_format:Y-m-d',
            'end_date' => 'nullable|date_format:Y-m-d',
        ]);

        return ApiResponse::handle(function () use ($memberId, $data) {
            $member = BarobillMember::withoutGlobalScopes()->findOrFail($memberId);
            $startDate = $data['start_date'] ?? Carbon::now()->startOfMonth()->format('Y-m-d');
            $endDate = $data['end_date'] ?? Carbon::now()->format('Y-m-d');

            return $this->usageService->getMemberUsage($member, $startDate, $endDate);
        }, __('message.fetched'));
    }

    /**
     * 과금 정책 정보
     */
    public function priceInfo()
    {
        return ApiResponse::handle(function () {
            return ['prices' => BarobillUsageService::getPriceInfo()];
        }, __('message.fetched'));
    }
}