<?php

namespace App\Service;


use App\Model\OperationLog;
use App\Model\OperationLogDetail;
use Illuminate\Support\Facades\DB;

class OperationLogService extends Service
{
    protected static $instance;
    public static function getInstance(): self
    {
        if (self::$instance == null) {
            self::$instance = new OperationLogService();
        }
        return self::$instance;
    }


    public function getOperationList($data){

        $data = [
            [
                'type' => 1,
                'user_id' => 1,
                'user_name' => 1,
                'crt_time' => 123456,
                'data' => [
                    [
                        'key' => '金额',
                        'old_data' => '100',
                        'new_data' => '200',
                    ]

                ]
            ]
        ];
        return [true,$data];
    }

//    public function


    public function insertOperationLog($insert){
        try {
            DB::beginTransaction();
            $menu_id = $insert['menu_id'];
            $user_id = $insert['user_id'];
            $ip = $insert['ip'];
            $parent_id = $insert['parent_id'];
            $type = $insert['type']??2;
            $logModel = new OperationLog();
            $logModel->user_id = $user_id;
            $logModel->ip = $ip;
            $logModel->menu_id = $menu_id;
            $logModel->type = $type;
            $logModel->parent_id = $parent_id;
            $logModel->save();
            $LogParent_id = $logModel->id;
            if($type == 2){
                $sub_datas = [];
                $relationship_datas = [];
                $table_Data = $insert['table_data'];
                $sub_table_data = $insert['sub_table_data'] ?? [];
                $relationship_table_data = $insert['relationship_table_data'] ?? [];
                $table_Data = $this->findTableDatas($table_Data);
                if(!empty($sub_table_data)) {

                    foreach ($sub_table_data as $v){
                        $sub_data = $this->findTableData($v);
                        $sub_datas = array_merge($sub_datas,$sub_data);
                    }

                }
                if(!empty($relationship_table_data)) {
                    foreach ($sub_table_data as $v){
                        $relationship_data = $this->findTableData($relationship_table_data);
                        $relationship_datas = array_merge($relationship_datas,$relationship_data);
                    }

                }
                $insert_detail_data =  array_merge($table_Data,$sub_datas,$relationship_datas);
                $table_Data = $this->dealOperationLogDetail($insert_detail_data,$LogParent_id);
                OperationLogDetail::insert($table_Data);
            }


            DB::commit();
            return [true,''];
        }catch (\Exception $e){
            DB::rollBack();
            return [false,$e->getLine().':'.$e->getMessage()];
        }

    }

    public function dealOperationLogDetail($data,$log_id){
        foreach ($data as $k=>$v){
            $data[$k]['log_id'] = $log_id;
        }

        return $data;
    }

    public function findTableData($data){
        $table = $data['table'];
        $param = $data['param'];
        $parent_id = $data['parent_id'];
        $parent_key = $data['parent_key']??'id';
        $model = DB::table($table)->where($parent_key,$parent_id);
        $select_list = [];
        $new_data_list = [];
        foreach ($param as $v){
            $select_list[] = $v['key'];
            $new_data_list[$v['key']] = [
                'new_data' => $v['value'],
                'parent_id' => $parent_id,
            ];
        }
        $detail = $model->select($select_list)->first()->toArray();
        foreach ($new_data_list as $k=>$v){
            $new_data_list[$k]['old_data'] = $detail[$k];
        }
        sort($new_data_list);
        return $new_data_list;
    }

    public function findTableDatas($data){
        $table = $data['table'];
        $parent_id = $data['parent_id'];
        $parent_key = $data['parent_key']??'id';
        $key = $data['key'];
        $value = $data['value'];
        $model = DB::table($table)->where($parent_key,$parent_id);

        $old_data = implode(',',$model->where($parent_key,$parent_id)->pluck($key)->toArray());
        return [['old_data'=>$old_data,'new_data'=>implode(',',$value),'parent_id'=>$parent_id]];
    }

    public function setParam()
    {
        //3种格式类型，1：单张表数据更新，只需要数组种有key，value；2.子表更新，也是单条数据更新只需要数组种有key，value；3.子表更新，但是是删除数据更新，则传old data 和 new data
        $insert = [
                'menu_id'=>1,
                'user_id'=>'1',
                'ip'=>'1',
                'parent_id'=>'1',
                'table_data'=>[
                    'table'=>'table',
                    'parent_id'=>'1',
                    'param'=>[
                        [
                            'key' => 'd',
                            'value' => 'd',
                        ]
                    ]
                ],
                'sub_table_data'=>[
                    [
                        'table'=>'table',
                        'parent_id'=>'1',
                        'parent_key'=>'1',
                        'param'=>[
                            [
                                'key' => 'd',
                                'value' => 'd',
                            ]
                        ],
                    ]
                ],
                'relationship_table_data'=>[
                    [
                        'table'=>'table',
                        'parent_id'=>'table',
                        'parent_key'=>'table',
                        'key'=>'title',
                        'value'=>[1,2,3,4,5],
                    ]
                ]
        ];
    }
}