<?php

namespace app\admin\controller\general;

use app\common\controller\Backend;
use Exception;
use fast\Random;
use think\Db;
use think\exception\PDOException;
use think\exception\ValidateException;
use app\common\model\Area;

/**
 * 学生管理
 *
 * @icon fa fa-circle-o
 */
class Student extends Backend
{

    private $IdentifierModel;
    /**
     * Student模型对象
     * @var \app\admin\model\Student
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\Student;
        $this->IdentifierModel = new \app\admin\model\Identifier;
        $this->view->assign("genderList", $this->model->getGenderList());
        $this->view->assign("typeList", $this->model->getTypeList());
        $this->view->assign("statusList", $this->model->getStatusList());
        $this->view->assign("isSuperAdmin", $this->auth->isSuperAdmin());
        $this->view->assign("group_id", $this->auth->getGroupIds()[0]);
    }


    /**
     * 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
     */


    /**
     * 查看
     */
    public function index()
    {
        //当前是否为关联查询
        $this->relationSearch = true;
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if ($this->request->isAjax()) {
            //如果发送的来源是Selectpage，则转发到Selectpage
            if ($this->request->request('keyField')) {
                return $this->selectpage();
            }
            list($where, $sort, $order, $offset, $limit) = $this->buildparams();

            $wheres = [];
            if(!$this->auth->isSuperAdmin()){
                $groupIds = $this->auth->getGroupIds();
                $wheres = ['student.group_id'=>['in',$groupIds]];
            }
            $list = $this->model
                    ->with(['groups','grade'])
                    ->where($where)
                    ->where($wheres)
                    ->order($sort, $order)
                    ->paginate($limit);

            foreach ($list as $row) {
                
                $row->getRelation('groups')->visible(['name']);
                $row->getRelation('grade')->visible(['grade','class']);
            }

            $result = array("total" => $list->total(), "rows" => $list->items());

            return json($result);
        }
        $this->assignconfig("isSuperAdmin", $this->auth->isSuperAdmin());
        return $this->view->fetch();
    }

    /**
     * 添加
     *
     * @return string
     * @throws \think\Exception
     */
    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;
        }
        $result = false;
        Db::startTrans();
        try {
            //编号状态
            /*$identifier = $this->IdentifierModel->where('identifier', $params['identifier'])->find();
            if(empty($identifier)){
                $this->error("编号不存在");
            }
            if($identifier['status'] != 'normal'){
                $this->error("编号已分配");
            }
            //修改编号状态
            $this->IdentifierModel->where('identifier', $params['identifier'])->update(['status'=>'hidden']);*/

            $params['salt'] = Random::alnum();
            $params['password'] = md5($params['password']);
            $school = db('auth_group')->where('id',$params['group_id'])->find();
            $params['school'] = $school['name'];

        $info = db('auth_group')->where('id', $params['group_id'])->find();
        while ($info['level'] > 2){
            $info = db('auth_group')->where('id', $info['pid'])->find();
        }
        //地区编号
        $area_encoded = db('area')->where('id', $info['city'])->find();

        $params['city'] = $area_encoded['name'];
            $result = $this->model->validateFailException()->validate('Student.add')->allowField(true)->save($params);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($result === false) {
            $this->error(__('No rows were inserted'));
        }
        $this->success();
    }

    /**
     * 编辑
     *
     * @param $ids
     * @return string
     * @throws DbException
     * @throws \think\Exception
     */
    public function edit($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()) {
            $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);
        $result = false;
        Db::startTrans();
        try {
            if ($params['password']) {
                $params['salt'] = Random::alnum();
            $params['password'] = md5($params['password']);
            } else {
                unset($params['password'], $params['salt']);
            }
            //这里需要针对mobile做唯一验证
            $adminValidate = \think\Loader::validate('Student');
            $adminValidate->rule([
                'mobile'    => 'regex:1[3-9]\d{9}|unique:student,mobile,' . $row->id,
            ]);
            $result = $row->validateFailException()->validate('Student.edit')->allowField(true)->save($params);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if (false === $result) {
            $this->error(__('No rows were updated'));
        }
        $this->success();
    }

    /**
     * 删除
     *
     * @param $ids
     * @return void
     * @throws DbException
     * @throws DataNotFoundException
     * @throws ModelNotFoundException
     */
    /*public function del($ids = null)
    {
        if (false === $this->request->isPost()) {
            $this->error(__("Invalid parameters"));
        }
        $ids = $ids ?: $this->request->post("ids");
        if (empty($ids)) {
            $this->error(__('Parameter %s can not be empty', 'ids'));
        }
        $pk = $this->model->getPk();
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds)) {
            $this->model->where($this->dataLimitField, 'in', $adminIds);
        }
        $list = $this->model->where($pk, 'in', $ids)->select();

        $count = 0;
        Db::startTrans();
        try {
            //释放编号
            $identifiers = array_column($list, 'identifier');
            $this->IdentifierModel->where('identifier', 'in', $identifiers)->update(['status'=>'normal']);
            foreach ($list as $item) {
                $count += $item->delete();
            }
            Db::commit();
        } catch (PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($count) {
            $this->success();
        }
        $this->error(__('No rows were deleted'));
    }*/

}