<?php
// +----------------------------------------------------------------------
// | LARAVEL8.0 框架 [ LARAVEL ][ RXThinkCMF ]
// +----------------------------------------------------------------------
// | 版权所有 2017~2021 LARAVEL研发中心
// +----------------------------------------------------------------------
// | 官方网站: http://www.laravel.cn
// +----------------------------------------------------------------------
// | Author: laravel开发员 <laravel.qq.com>
// +----------------------------------------------------------------------

namespace App\Services\Common;

use App\Models\GoodsCategoryModel;
use App\Models\GoodsModel;
use App\Services\BaseService;

/**
 * 商品分类管理-服务类
 * @author laravel开发员
 * @since 2020/11/11
 * @package App\Services\Common
 */
class GoodsCategoryService extends BaseService
{
    /**
     * 构造函数
     * @author laravel开发员
     * @since 2020/11/11
     */
    public function __construct()
    {
        $this->model = new GoodsCategoryModel();
    }

    /**
     * 获取数据列表
     * @param array $params
     * @param int $pageSize
     * @return array
     */
    public function getDataList($params, $pageSize = 15)
    {
        // 分页查询
        $list = $this->model->orderBy('sort', 'desc')
            ->where('mark', 1)
            ->where(function ($query) use ($params) {
                // 分类名称
                if (isset($params['name']) && $params['name']) {
                    $query->where('name', 'like', "%{$params['name']}%");
                }
                // 状态筛选
                if (isset($params['status']) && $params['status'] !== null && $params['status']>0) {
                    $query->where('status', intval($params['status']));
                }

                // 类型
                if (isset($params['type']) && $params['type'] !== null && $params['type']>0) {
                    $query->where('type', intval($params['type']));
                }
            })
            ->orderBy('id', 'asc')
            ->paginate($pageSize > 0 ? $pageSize : 9999999);

        $list = $list->toArray();

        // 格式化数据
        if (isset($list['data']) && !empty($list['data'])) {
            foreach ($list['data'] as &$val) {
                $val['create_time'] = $val['create_time'] ? datetime($val['create_time'], 'Y-m-d H:i:s') : '';
                // 处理图标
                if (isset($val['icon'])) {
                    $val['icon'] = get_image_url($val['icon']);
                }
            }
        }

        return [
            'msg' => '操作成功',
            'code' => 0,
            'data' => $list['data'],
            'count' => $list['total']
        ];
    }

    /**
     * 获取分类详情
     * @return array
     * @since 2020/11/11
     * @author laravel开发员
     */
    public function info()
    {
        // 记录ID
        $id = request()->input("id", 0);
        $info = [];
        if ($id) {
            $info = $this->model->getInfo($id);
            if ($info) {
                if (isset($info['create_time'])) {
                    $info['create_time'] = $info['create_time'] ? datetime($info['create_time'], 'Y-m-d H:i:s') : '';
                }
                // 处理图标
                if (isset($info['icon'])) {
                    $info['icon'] = get_image_url($info['icon']);
                }

                if (isset($info['menu_icon'])) {
                    $info['menu_icon'] = get_image_url($info['menu_icon']);
                }
            }
        }
        return message(MESSAGE_OK, true, $info);
    }

    /**
     * 添加或编辑
     * @return array
     * @since 2020/11/11
     * @author laravel开发员
     */
    public function edit()
    {
        // 参数
        $param = request()->all();

        // 验证分类名称
        if (empty($param['name'])) {
            return message('分类名称不能为空', false);
        }

        $id = isset($param['id'])?$param['id']:0;
        $type = isset($param['type'])?$param['type']:0;
        $name = isset($param['name'])?$param['name']:'';
        $checkId = $this->model->where(['name'=>$name,'type'=>$type,'mark'=>1])->whereNotIn('id', [$id])->value('id');
        if($checkId){
            return message('分类名称已经存在', false);
        }

        // 如果 pid 为 0，表示一级分类
        if (!isset($param['pid'])) {
            $param['pid'] = 0;
        }

        // 设置默认值
        if (!isset($param['status'])) {
            $param['status'] = 1; // 默认有效
        }
        if (!isset($param['sort'])) {
            $param['sort'] = 0; // 默认排序为0
        }
        if (!isset($param['remark'])) {
            $param['remark'] = ''; // 默认备注为空
        }
        if (!isset($param['icon'])) {
            $param['icon'] = ''; // 默认图标为空
        }

        // 处理图标
        if (isset($param['icon'])) {
            $param['icon'] = get_image_path($param['icon']);
        }

        // 保存数据
        $result = parent::edit($param);
        return $result;
    }

    /**
     * 设置状态
     * @param array $params
     * @return bool
     */
    public function setStatus($params)
    {
        $id = isset($params['id']) ? intval($params['id']) : 0;
        $status = isset($params['status']) ? intval($params['status']) : 1;

        if (!$id) {
            $this->error = '分类ID不能为空';
            return false;
        }

        $info = $this->model->where(['id' => $id, 'mark' => 1])->first();
        if (!$info) {
            $this->error = '分类信息不存在';
            return false;
        }

        // 更新状态
        $this->model->where('id', $id)->update([
            'status' => $status,
            'update_time' => time()
        ]);

        $this->error = $status == 1 ? '启用成功' : '禁用成功';
        return true;
    }

    /**
     * 删除（重写父类方法）
     * @return array
     */
    public function delete()
    {
        // 参数
        $param = request()->all();
        // 记录ID
        $ids = getter($param, "id");
        if (empty($ids)) {
            return message("分类ID不能为空", false);
        }

        // 清理已删除的记录
        $this->model->where(['mark' => 0])->where('update_time', '<=', time() - 600)->delete();
        if (is_array($ids)) {
            $childCount = $this->model->whereIn('pid',$ids)->where(['mark' => 1])->count();
            if ($childCount > 0) {
                return message("存在有子分类的数据，无法删除", false);
            }

            $goodsCount = GoodsModel::whereIn('category_id',$ids)->where(['mark' => 1])->count();
            if ($goodsCount > 0) {
                return message("有分类存在商品，无法删除", false);
            }

            // 批量删除
            $result = $this->model->whereIn('id', $ids)->update(['mark' => 0, 'update_time' => time()]);
            if (!$result) {
                return message("删除失败", false);
            }
            return message("删除成功");
        } else {
            $childCount = $this->model->where(['pid'=>$ids,'mark' => 1])->count();
            if ($childCount > 0) {
                return message("存在子分类，无法删除", false);
            }

            $goodsCount = GoodsModel::where(['category_id' => $ids, 'mark' => 1])->count();
            if ($goodsCount > 0) {
                return message("有分类存在商品，无法删除", false);
            }

            // 单个删除
            $result = $this->model->where('id', $ids)->update(['mark' => 0, 'update_time' => time()]);
            if ($result !== false) {
                return message();
            }
            return message("删除失败", false);
        }
    }


    /**
     * 批量删除
     * @param array $params
     * @return bool
     */
    public function deleteAll($params)
    {
        $ids = isset($params['ids']) ? $params['ids'] : [];

        if (empty($ids) || !is_array($ids)) {
            $this->error = '请选择要删除的分类';
            return false;
        }

        // 检查是否有子分类或商品
        foreach ($ids as $id) {
            $childCount = $this->model->where(['pid' => $id, 'mark' => 1])->count();
            if ($childCount > 0) {
                $this->error = '存在子分类，无法删除';
                return false;
            }

            $goodsModel = new \App\Models\GoodsModel();
            $goodsCount = $goodsModel->where(['category_id' => $id, 'mark' => 1])->count();
            if ($goodsCount > 0) {
                $this->error = '该分类下有商品，无法删除';
                return false;
            }
        }

        // 批量删除（软删除）
        $this->model->whereIn('id', $ids)->update([
            'mark' => 0,
            'update_time' => time()
        ]);

        $this->error = '删除成功';
        return true;
    }

    /**
     * 获取分类选项（用于下拉选择）
     * @return array
     */
    public function options()
    {
        $type = request()->post('type',0);
        $kw = request()->post('kw','');
        $map = ['type'=>$type,'status'=>1,'mark'=>1];
        if($type<=0){
           unset($map['type']);
        }
        $list = $this->model->where($map)
            ->where(function ($query) use($kw){
                if($kw){
                    $query->where('name','like',"%{$kw}%");
                }
            })
            ->orderBy('sort', 'desc')
            ->orderBy('id', 'asc')
            ->select(['id', 'name','type', 'pid', 'icon'])
            ->get()
            ->toArray();

        return message(MESSAGE_OK, true, $list);
    }
}