<?php

namespace app\api\controller\data;

use app\common\controller\Api;
use app\admin\model\data\Area as AreaModel;

/**
 * 省市区数据控制器
 */
class Area extends Api
{
    protected $noNeedLogin = ['index'];
    protected $noNeedRight = ['*'];

    /**
     * 获取省市区树形数据
     * @return void
     */
    public function index()
    {
        $list = AreaModel::where('pid', 0)
            ->order('id', 'asc')
            ->field('id, pid, level, name')
            ->with(['children' => function ($query) {
                return $query->field('id, pid, level, name')->with(['children' => function ($query) {
                    return $query->field('id, pid, level, name');
                }]);
            }])
            ->select();

        $this->success('获取成功', $list);
    }

    /**
     * 获取下级地区
     * @return void
     */
    public function children()
    {
        $pid = $this->request->param('pid', 0);

        $list = AreaModel::where('pid', $pid)
            ->order('id', 'asc')
            ->field('id, pid, level, name')
            ->select();

        $this->success('获取成功', $list);
    }

    /**
     * 根据名称搜索地区
     * @return void
     */
    public function search()
    {
        $keyword = $this->request->param('keyword');
        if (empty($keyword)) {
            $this->error('请输入搜索关键词');
        }

        $list = AreaModel::whereLike('name', '%' . $keyword . '%')
            ->order('id', 'asc')
            ->field('id, pid, level, name')
            ->limit(20)
            ->select();

        $this->success('获取成功', $list);
    }
}