<?php

namespace app\admin\controller;

use app\admin\model\Admin;
use app\admin\model\car\AttributeValue;
use app\common\controller\Backend;
use think\Db;
use think\exception\PDOException;
use think\exception\ValidateException;
use function Symfony\Component\Clock\now;

/**
 * 
 *
 * @icon fa fa-circle-o
 */
class Cars extends Backend
{

    /**
     * Cars模型对象
     * @var \app\admin\model\Cars
     */
    protected $model = null;
    protected $series,$brands;
    protected $noNeedRight = ['extend'];

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\Cars;

        $series = Db::query("SELECT a.id,brand_id as pid, a.name FROM series a LEFT JOIN brands b ON a.brand_id = b.id;");
        $brands = Db::query("SELECT id, 0 as pid, `name` FROM  brands;");

        $this->series = $series;
        $this->brands = $brands;

        $data = array_merge($brands,$series);
        $tree = $this->buildTree($data);

        $formattedTree = $this->formatTree($tree);

        $users = Db::name('admin')
            ->field(['id', 'nickname'])
            ->select();

        $this->view->assign('series',$formattedTree);
        $this->view->assign('users',$users);

    }

    public function index()
    {
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if (false === $this->request->isAjax()) {
            return $this->view->fetch();
        }
        //如果发送的来源是 Selectpage，则转发到 Selectpage
        if ($this->request->request('keyField')) {
            return $this->selectpage();
        }
        [$where, $sort, $order, $offset, $limit] = $this->buildparams();
        $list = $this->model
            ->where($where)
            ->order($sort, $order)
            ->with([
                'contact' =>function ($q) {
                    $q->field('id,nickname,mobile');
                },
                'brand' =>function ($q) {
                    $q->field('id,name');
                },
                'series' =>function ($q) {
                    $q->field('id,name');
                },
            ]
            )
            ->paginate($limit);
        $result = ['total' => $list->total(), 'rows' => $list->items()];
        return json($result);
    }


    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */

    public function add()
    {
        if (false === $this->request->isPost()) {
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);

        if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
            $params[$this->dataLimitField] = $this->auth->id;
        }
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
                $this->model->validateFailException()->validate($validate);
            }
            $data = $this->getModelData($params);
            $data['created_at'] = now()->format('Y-m-d H:i:s');
            $data['updated_at'] = now()->format('Y-m-d H:i:s');
            $result = $this->model->allowField(true)->save($data);
            $this->dealExtend($params,$this->model->id);
            Db::commit();
        } catch (ValidateException|PDOException|\Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($result === false) {
            $this->error(__('No rows were inserted'));
        }
        $this->success();
    }


    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds) && !in_array($row[$this->dataLimitField], $adminIds)) {
            $this->error(__('You have no permission'));
        }
        if (false === $this->request->isPost()) {
            $series_map = array_column($this->series,'name','id');
            $series = $series_map[$row->series_id] ?? '';
            $brand_map = array_column($this->brands,'name','id');
            $brand = $brand_map[$row->brand_id] ?? '';
            $series_name = $brand . ' / ' . $series;
            $row->series_name = $series_name;
            $this->view->assign('row', $row);
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.edit' : $name) : $this->modelValidate;
                $row->validateFailException()->validate($validate);
            }

            $data = $this->getModelData($params);
            $data['updated_at'] = now()->format('Y-m-d H:i:s');
            $result = $row->allowField(true)->save($data);

            $this->dealExtend($params,$row->id);

            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if (false === $result) {
            $this->error(__('No rows were updated'));
        }
        $this->success();
    }

    public function extend(){
        $data = \app\admin\model\car\Attributes::order('sort_order')->select();
        $id = request()->get('id');
        $value_map = [];
        if ($id){
            $values = AttributeValue::where('car_id',$id)->select();
//            dd($values);
            foreach ($values as $value){
                $value_map[$value->attribute_id] = $value->value;
            }
        }
        $res = [];
        foreach ($data as $datum){
            $datum->options = json_decode($datum->options);
            $re = $datum->toArray();
            $out = [
                'id' => $re['id'],
                'label' => $re['name'],
                'type' => $re['input_type'],
                'options' => $re['options'],
                'name' => $re['field_key'],
                'value' => $value_map[$re['id']] ?? null,
            ];
            $res [] =$out;
        }
        $this->success(data:$res);
    }

    private function dealExtend(array $params,$car_id)
    {
        $data = \app\admin\model\car\Attributes::order('sort_order')->field('id,field_key')->select();
        $insert = [];
//        dd($data);
        foreach ($data as $datum){
            if (isset($params[$datum['field_key']])){
                if (empty($params[$datum['field_key']])) continue;
                $insert [] = [
                    'car_id' => $car_id,
                    'attribute_id' => $datum->id,
                    'value' => $params[$datum['field_key']],
                ];
            }
        }
//        dd($insert);
        AttributeValue::where('car_id',$car_id)->delete();
        AttributeValue::insertAll($insert);
    }

    private function getModelData(array $params)
    {
        $res = [
            'title' => $params['title'],
            'price' => $params['price'],
            'desc' => $params['desc'],
            'count' => $params['count'],
            're_price' => $params['re_price'],
            'cover_image' => $params['cover_image'],
            'contact_id' => $params['contact_id'] ?? $this->auth->id,
        ];
        $series_id = $params['series_id'];
        if ($params['active_at']){
            $res['active_at'] = $params['active_at'];
        }
        $series = \app\admin\model\Series::where('id',$series_id)->find();

        $res ['series_id'] = $series_id;
        $res ['brand_id'] = $series->brand_id;
        if (!$res['contact_id'] || $res['contact_id'] == -1){
            $res['contact_id'] = $this->auth->id;
        }
        return $res;
    }


}