<?php
declare (strict_types = 1);

namespace app\system\controller;

use app\BaseController;
use app\model\api\StoreCategory;
use app\model\api\StoreBrand;
use app\model\api\StoreProduct;
use app\model\api\StoreProductAttrValue;
use app\Request;
use library\services\UtilService;
use think\facade\Db;

class Product extends BaseController
{
    /**
     * 商品分类列表
     * @param Request $request
     */
    public function categoryList(Request $request)
    {
        $pageSize = 20;
        $post = UtilService::getMore([
            ['page', 1],
            ['pageSize', 20],
            ['pid', 0],
            ['keyword', ''],
        ], $request);

        $where = [];
        if ($post['pid'] > 0) {
            $where[] = ['pid', '=', $post['pid']];
        }
        if (!empty($post['keyword'])) {
            $where[] = ['cate_name', 'like', '%' . $post['keyword'] . '%'];
        }

        $result = (new StoreCategory())->getList($where, $post['page'], $post['pageSize']);

        return app('json')->success($result);
    }

    /**
     * 保存商品分类
     * @param Request $request
     */
    public function categorySave(Request $request)
    {
        $post = UtilService::getMore([
            ['id', 0],
            ['cate_name', '', 'empty', '请输入分类名称'],
            ['pid', 0],
            ['sort', 0],
            ['status', 1],
        ], $request);

        $data = [
            'cate_name' => $post['cate_name'],
            'pid' => $post['pid'],
            'sort' => $post['sort'],
            'status' => $post['status'] == 1 ? 1 : 0,
        ];

        if ($post['id'] > 0) {
            $result = Db::name('store_category')->where('id', $post['id'])->update($data);
        } else {
            $result = Db::name('store_category')->insertGetId($data);
        }

        if ($result) {
            return app('json')->success('保存成功');
        } else {
            return app('json')->fail('保存失败');
        }
    }

    /**
     * 删除商品分类
     * @param Request $request
     */
    public function categoryDelete(Request $request)
    {
        $post = UtilService::getMore([
            ['id', '', 'empty', '参数错误'],
        ], $request);

        // 检查是否有子分类
        $hasChild = Db::name('store_category')->where('pid', $post['id'])->count();
        if ($hasChild > 0) {
            return app('json')->fail('该分类下有子分类，无法删除');
        }

        // 检查是否有商品
        $hasProduct = Db::name('store_product')->where('cate_id', $post['id'])->count();
        if ($hasProduct > 0) {
            return app('json')->fail('该分类下有商品，无法删除');
        }

        $result = Db::name('store_category')->where('id', $post['id'])->delete();

        if ($result) {
            return app('json')->success('删除成功');
        } else {
            return app('json')->fail('删除失败');
        }
    }

    /**
     * 品牌列表
     * @param Request $request
     */
    public function brandList(Request $request)
    {
        $pageSize = 20;
        $post = UtilService::getMore([
            ['page', 1],
            ['pageSize', 20],
            ['keyword', ''],
        ], $request);

        $where = [];
        if (!empty($post['keyword'])) {
            $where[] = ['brand_name', 'like', '%' . $post['keyword'] . '%'];
        }

        $result = (new StoreBrand())->getList($where, $post['page'], $post['pageSize']);

        return app('json')->success($result);
    }

    /**
     * 保存品牌
     * @param Request $request
     */
    public function brandSave(Request $request)
    {
        $post = UtilService::getMore([
            ['id', 0],
            ['brand_name', '', 'empty', '请输入品牌名称'],
            ['brand_logo', ''],
            ['sort', 0],
            ['status', 1],
        ], $request);

        $data = [
            'brand_name' => $post['brand_name'],
            'brand_logo' => $post['brand_logo'],
            'sort' => $post['sort'],
            'status' => $post['status'] == 1 ? 1 : 0,
        ];

        if ($post['id'] > 0) {
            $result = Db::name('store_brand')->where('id', $post['id'])->update($data);
        } else {
            $result = Db::name('store_brand')->insertGetId($data);
        }

        if ($result) {
            return app('json')->success('保存成功');
        } else {
            return app('json')->fail('保存失败');
        }
    }

    /**
     * 删除品牌
     * @param Request $request
     */
    public function brandDelete(Request $request)
    {
        $post = UtilService::getMore([
            ['id', '', 'empty', '参数错误'],
        ], $request);

        $result = Db::name('store_brand')->where('id', $post['id'])->delete();

        if ($result) {
            return app('json')->success('删除成功');
        } else {
            return app('json')->fail('删除失败');
        }
    }

    /**
     * 商品列表
     * @param Request $request
     */
    public function productList(Request $request)
    {
        $pageSize = 20;
        $post = UtilService::getMore([
            ['page', 1],
            ['pageSize', 20],
            ['cate_id', ''],
            ['brand_id', ''],
            ['keyword', ''],
            ['status', ''],
        ], $request);

        $where = [];
        if (!empty($post['cate_id'])) {
            $where[] = ['cate_id', '=', $post['cate_id']];
        }
        if (!empty($post['brand_id'])) {
            $where[] = ['brand_id', '=', $post['brand_id']];
        }
        if (!empty($post['keyword'])) {
            $where[] = ['store_name', 'like', '%' . $post['keyword'] . '%'];
        }
        if ($post['status'] !== '' && in_array((string)$post['status'], ["0", "1"])) {
            $where[] = ['is_show', '=', (int)$post['status']];
        }

        $result = (new StoreProduct())->getList($where, $post['page'], $post['pageSize']);

        return app('json')->success($result);
    }

    /**
     * 保存商品
     * @param Request $request
     */
    public function productSave(Request $request)
    {
        $post = UtilService::getMore([
            ['id', 0],
            ['cate_id', '', 'empty', '请选择分类'],
            ['brand_id', 0],
            ['store_name', '', 'empty', '请输入商品标题'],
            ['image', '', 'empty', '请上传商品图片'],
            ['slider_image', ''],
            ['price', 0],
            ['cost', 0],
            ['ot_price', 0],
            ['stock', 0],
            ['sales', 0],
            ['unit_name', '件'],
            ['content', ''],
            ['sort', 0],
            ['status', 1],
            ['sku_list', '[]'],
        ], $request);

        $data = [
            'cate_id' => $post['cate_id'],
            'brand_id' => $post['brand_id'],
            'store_name' => $post['store_name'],
            'image' => $post['image'],
            'slider_image' => $post['slider_image'],
            'price' => $post['price'],
            'cost' => $post['cost'],
            'ot_price' => $post['ot_price'],
            'stock' => $post['stock'],
            'sales' => $post['sales'],
            'unit_name' => $post['unit_name'],
            'content' => $post['content'],
            'sort' => $post['sort'],
            'is_show' => $post['status'] == 1 ? 1 : 0,
        ];

        Db::startTrans();
        try {
            if ($post['id'] > 0) {
                // 更新商品
                Db::name('store_product')->where('id', $post['id'])->update($data);
                $productId = $post['id'];

                // 删除原有SKU
                Db::name('store_product_attr_value')->where('product_id', $productId)->delete();
            } else {
                // 新增商品
                $data['time'] = time();
                $productId = Db::name('store_product')->insertGetId($data);
            }

            // 保存SKU
            $skuList = json_decode($post['sku_list'], true);
            if (!empty($skuList)) {
                foreach ($skuList as $sku) {
                    $skuData = [
                        'product_id' => $productId,
                        'suk' => $sku['suk'] ?? '',
                        'price' => $sku['price'] ?? $post['price'],
                        'cost' => $sku['cost'] ?? $post['cost'],
                        'stock' => $sku['stock'] ?? 0,
                        'bar_code' => $sku['bar_code'] ?? '',
                    ];
                    Db::name('store_product_attr_value')->insert($skuData);
                }
            }

            Db::commit();
            return app('json')->success('保存成功');
        } catch (\Exception $e) {
            Db::rollback();
            return app('json')->fail('保存失败');
        }
    }

    /**
     * 删除商品
     * @param Request $request
     */
    public function productDelete(Request $request)
    {
        $post = UtilService::getMore([
            ['id', '', 'empty', '参数错误'],
        ], $request);

        Db::startTrans();
        try {
            // 删除商品
            Db::name('store_product')->where('id', $post['id'])->delete();
            // 删除SKU
            Db::name('store_product_attr_value')->where('product_id', $post['id'])->delete();

            Db::commit();
            return app('json')->success('删除成功');
        } catch (\Exception $e) {
            Db::rollback();
            return app('json')->fail('删除失败');
        }
    }
}