<?php

namespace App\Repositories\Product;

use Illuminate\Support\Facades\DB;
use Illuminate\Support\Carbon;

class ProductRepository
{
    /**
     * 왼쪽 메뉴용 활성 카테고리 목록 조회
     */
    public function getActiveCategories()
    {
        return DB::table('gc_categories')
            ->where('is_active', 1)
            ->orderBy('sort_order', 'asc')
            ->get();
    }

    /**
     * 카테고리별/전체 상품 목록 조회 (판매 기간 및 상태 검증 포함)
     */

    // app/Repositories/Product/ProductRepository.php

    public function getActiveProducts($categoryIdOrSlug = null, $search = null)
    {
        $now = now();
        $query = DB::table('gc_products as p')
            ->select('p.*', 'm.file_path as thumb_path')
            ->leftJoin('gc_media_library as m', 'p.thumbnail_media_id', '=', 'm.id')
            ->where('p.status', 'ACTIVE');

        // 1. 검색어가 있을 경우 (통합 검색)
        if ($search) {
            $query->where(function ($q) use ($search) {
                // 상품명 검색
                $q->where('p.name', 'LIKE', "%{$search}%");

                // 카테고리 연관 검색 (이름, 슬러그, 해시태그 키워드)
                $q->orWhereExists(function ($sub) use ($search) {
                    $sub->select(DB::raw(1))
                        ->from('gc_categories as c')
                        ->whereColumn('c.id', 'p.category_id')
                        ->where(function ($sq) use ($search) {
                            $sq->where('c.name', 'LIKE', "%{$search}%")
                                ->orWhere('c.slug', 'LIKE', "%{$search}%")
                                ->orWhere('c.search_keywords', 'LIKE', "%{$search}%"); // # 제거된 검색어도 LIKE로 매칭
                        });
                });
            });
        }

        if ($categoryIdOrSlug && !$search) {
            $categoryQuery = DB::table('gc_categories');
            if (is_numeric($categoryIdOrSlug)) {
                $categoryQuery->where('id', $categoryIdOrSlug);
            } else {
                $categoryQuery->where('slug', $categoryIdOrSlug);
            }
            $targetCategory = $categoryQuery->first();

            if ($targetCategory) {
                $categoryIds = DB::table('gc_categories')
                    ->where('id', $targetCategory->id)
                    ->orWhere('parent_id', $targetCategory->id)
                    ->pluck('id');
                $query->whereIn('p.category_id', $categoryIds);
            }
        }

        return $query->orderBy('p.id', 'desc')->get();
    }

    public function getProductById(int $id)
    {
        return DB::table('gc_products as p')
            ->select('p.*', 'm.file_path as thumb_path')
            ->leftJoin('gc_media_library as m', 'p.thumbnail_media_id', '=', 'm.id')
            ->where('p.id', $id)
            ->where('p.status', 'ACTIVE')
            ->first();
    }

    /**
     * 상품에 속한 권종(SKU) 목록 조회
     */
    public function getSkusByProductId(int $productId)
    {
        return DB::table('gc_product_skus')
            ->where('product_id', $productId)
            ->where('is_active', 1)
            ->orderBy('sort_order', 'asc')
            ->get();
    }

    /**
     * 특정 결제 수단 정보 조회
     */
    public function getPaymentMethodsByIds(array $ids)
    {
        if (empty($ids)) return collect();

        return DB::table('gc_payment_methods')
            ->whereIn('id', $ids)
            ->where('is_active', 1)
            ->orderBy('sort_order', 'asc')
            ->get();
    }
}