<?php

namespace app\api\controller\product;

use app\common\controller\Frontend;
use think\facade\Db;

class Package extends Frontend
{
    protected array $noNeedPermission = ['product_list','list', 'detail'];
    protected array $noNeedLogin = ['*'];

    /**
     * 获取产品列表（简化版）
     */
    public function product_list(): void
    {

            // 查询所有上架的产品
            $products = Db::table('ba_product')
                ->where('status', 1)
                ->where('stock_status', 1) // 库存充足
                ->order('sort', 'desc')
                ->order('id', 'desc')
                ->field('id, name, image, description, package_id')
                ->select()
                ->toArray();

//            // 查询每个产品的套餐信息
//            foreach ($products as &$product) {
//                // 获取产品对应的所有套餐规格
//                $product['packages'] = $this->getProductPackages($product['id'], $product['package_id']);
//
//                // 获取主图
//                $product['main_image'] = $this->getMainImage($product['image']);
//            }

            $this->success('', $products);

    }

    /**
     * 获取产品对应的套餐
     */
    private function getProductPackages($productId, $packageId, $detail = false)
    {
        // 查询套餐规格
        $query = Db::table('ba_package_price')
            ->alias('pp')
            ->leftJoin('ba_package p', 'p.id = pp.package_id')
            ->where('p.status', 1)
            ->where('pp.price', '>', 0);

        // 如果产品有关联的package_id，使用它
        if ($packageId) {
            $query->where('pp.package_id', $packageId);
        } else {
            // 如果没有，可能需要其他关联逻辑
            // 这里简化处理，返回空
            return [];
        }

        // 如果是详情页，获取更多字段
        if ($detail) {
            $packages = $query->field('
                pp.id,
                pp.spec_name,
                pp.price,
                pp.type,
                pp.card_type,
                pp.unit_value,
                pp.points_value,
                pp.stock,
                pp.sold_count,
                pp.description,
                p.name as package_name
            ')->select()->toArray();
        } else {
            // 列表页只需要基本信息
            $packages = $query->field('
                pp.id,
                pp.spec_name,
                pp.price,
                pp.type,
                pp.card_type,
                pp.unit_value,
                pp.points_value,
                pp.stock,
                pp.sold_count
            ')->select()->toArray();
        }

        // 格式化数据
        $formattedPackages = [];
        foreach ($packages as $package) {
            $formattedPackage = [
                'id' => $package['id'],
                'name' => $package['spec_name'],
                'type' => $package['type'],
                'type_text' => $package['type'] == 1 ? '个人' : '企业',
                'price' => floatval($package['price']),
                'price_text' => '¥' . number_format($package['price'], 2),
                'stock' => intval($package['stock']),
                'stock_text' => $this->getStockText($package['stock']),
                'sold_count' => intval($package['sold_count']),
                'card_type' => $package['card_type'],
                'card_info' => $this->getCardInfo($package['card_type'], $package['unit_value'], $package['points_value'])
            ];

            // 如果是详情页，添加更多信息
            if ($detail) {
                $formattedPackage['description'] = $package['description'] ?? '商品说明';
                $formattedPackage['package_name'] = $package['package_name'] ?? '';
            }

            $formattedPackages[] = $formattedPackage;
        }

        return $formattedPackages;
    }

    /**
     * 获取套餐列表
     */
    public function list(): void
    {

            // 获取参数（可根据产品筛选）
            $productId = $this->request->get('product_id', 0);

            // 构建查询
            $query = Db::table('ba_package_price')
                ->alias('pp')
                ->leftJoin('ba_package p', 'p.id = pp.package_id')
                ->where('p.status', 1)
                ->where('pp.price', '>', 0)
                ->order('pp.type', 'asc') // 个人在前，企业在后
                ->order('pp.price', 'asc'); // 价格从低到高

            // 如果有产品ID，筛选对应的套餐
            if ($productId > 0) {
                $product = Db::table('ba_product')
                    ->where('id', $productId)
                    ->field('package_id')
                    ->find();
                if ($product && $product['package_id']) {
                    $query->where('pp.package_id', $product['package_id']);
                }
            }

            // 获取套餐数据
            $packages = $query->field('
                pp.id,
                pp.spec_name,
                pp.image,
                pp.price,
                pp.type,
                pp.card_type,
                pp.unit_value,
                pp.points_value,
                pp.stock,
                pp.sold_count,
                pp.description
            ')->select()->toArray();
            // 格式化返回数据（严格按照截图格式）
            $formattedPackages = [];
            foreach ($packages as $package) {
                $formattedPackage = [
                    'id' => $package['id'],
                    'name' => $package['spec_name'], // 套餐名称
                    'type' => $package['type'], // 1个人，2企业
                    'type_text' => $package['type'] == 1 ? '个人' : '企业',
                    'price' => floatval($package['price']),
                    'price_text' => '¥' . number_format($package['price'], 2),
                    'description' => $package['description'] ?? '商品说明',
                    'stock' => intval($package['stock']),
                    'stock_text' => $this->getStockText($package['stock']),
                    'sold_count' => intval($package['sold_count']),
                    'card_type' => $package['card_type'],
                    'image' => $package['image'],
                    'card_info' => $this->getCardInfo($package['card_type'], $package['unit_value'], $package['points_value'])
                ];

                $formattedPackages[] = $formattedPackage;
            }

            $this->success('', $formattedPackages);

    }

    /**
     * 获取套餐详情（用于购买页面）
     */
    public function detail(): void
    {
            $packageId = $this->request->get('id', 0);

            if ($packageId <= 0) {
                $this->error('套餐ID错误');
            }

            // 查询套餐详情
            $package = Db::table('ba_package_price')
                ->alias('pp')
                ->leftJoin('ba_package p', 'p.id = pp.package_id')
                ->where('pp.id', $packageId)
                ->field('
                    pp.id,
                    pp.image,
                    pp.spec_name,
                    pp.price,
                    pp.type,
                    pp.card_type,
                    pp.unit_value,
                    pp.points_value,
                    pp.stock,
                    pp.sold_count,
                    pp.description,
                    p.name as package_name,
                    p.description as package_description
                ')
                ->find();

            if (!$package) {
                $this->error('套餐不存在');
            }

            // 查询关联的产品信息
            $product = Db::table('ba_product')
                ->where('package_id', $package['package_id'] ?? 0)
                ->field('id, name, image')
                ->find();

            // 格式化详情数据
            $formattedDetail = [
                'id' => $package['id'],
                'name' => $package['spec_name'],
                'type' => $package['type'],
                'type_text' => $package['type'] == 1 ? '个人' : '企业',
                'price' => floatval($package['price']),
                'price_text' => '¥' . number_format($package['price'], 2),
                'description' => $package['description'] ?? ($package['package_description'] ?? '商品说明'),
                'stock' => intval($package['stock']),
                'stock_text' => $this->getStockText($package['stock']),
                'sold_count' => intval($package['sold_count']),
                'card_type' => $package['card_type'],
                'card_info' => $this->getCardInfo($package['card_type'], $package['unit_value'], $package['points_value']),
                'package_name' => $package['package_name'],
                'image' => $package['image'],
                'product' => $product ? [
                    'id' => $product['id'],
                    'name' => $product['name'],
                    'image' => $this->getMainImage($product['image'])
                ] : null
            ];

            $this->success('', $formattedDetail);

    }

    /**
     * 获取库存状态文本
     */
    private function getStockText($stock): string
    {
        if ($stock <= 0) {
            return '售罄';
        } elseif ($stock <= 10) {
            return '即将售罄';
        } else {
            return '充足';
        }
    }

    /**
     * 获取卡类型信息
     */
    private function getCardInfo($cardType, $unitValue, $pointsValue): array
    {
        $cardTypes = [
            1 => ['name' => '次卡', 'show_value' => $unitValue . '次'],
            2 => ['name' => '积分卡', 'show_value' => $pointsValue . '积分'],
            3 => ['name' => '日卡', 'show_value' => '1天'],
            4 => ['name' => '周卡', 'show_value' => '7天'],
            5 => ['name' => '季卡', 'show_value' => '90天'],
            6 => ['name' => '月卡', 'show_value' => '30天'],
            7 => ['name' => '年卡', 'show_value' => '365天']
        ];

        return $cardTypes[$cardType] ?? ['name' => '其他', 'show_value' => ''];
    }

    /**
     * 获取主图
     */
    private function getMainImage($imageJson)
    {
        if (empty($imageJson)) {
            return '';
        }

        $images = json_decode($imageJson, true);
        if (is_array($images) && !empty($images)) {
            return $images[0];
        }

        return '';
    }
}