<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;

const LINK_TYPE_URL = "url";


class ActionBar extends Model
{
    protected $table = "action_bars";
    public $timestamps = false;
    protected $fillable = ["parent", "icon", "link_type", "link", "name", "description"];

    /**
     * @param array $params
     * parent ActionBar 的上一级id
     * icon ActionBar的图标
     * link_type ActionBar的时间类型，当期只有url跳转
     * link 根据link_type需要的数据，当前为url，也可以是页面上的某个id
     * name ActionBar的名字
     * description ActionBar的的描述
     *
     * @param array $params
     * @return array
     */
    public function AddActionBar(array $params)
    {
        if ($params["name"] == "") {
            return ["code" => EMPTY_ACTION_BAR_NAME];
        }

        if ($this->parent < 0) {
            return ["code" => INVALID_ACTION_PARENT];
        }
        if ($this->link_type == "") {
            $this->link_type = LINK_TYPE_URL;
        }

        $name = $params["name"];
        $result = $this->firstOrCreate(["name" => $name], $params);
        unset($result["is_del"]);
        unset($result["created_user_id"]);
        unset($result["updated_user_id"]);
        return ["code" => SUCCESS, "data" => $result];
    }


    /**
     * 根据菜单的id更新一个菜单内容
     *
     * @param array $params
     * @return string
     */
    public function ModifyActionBar(array $params)
    {
        $update = [];
        $id = $params["id"];
        if ($id == "") {
            return EMPTY_ACTION_BAR_ID;
        }
        if ($params["parent"] > 0) {
            $update["parent"] = $params["parent"];
        }
        if (strlen($params["icon"]) > 0) {
            $update["icon"] = $params["icon"];
        }
        if (strlen($params["link_type"]) > 0) {
            $update["link_type"] = $params["link_type"];
        }
        if (strlen($params["link"]) > 0) {
            $update["link"] = $params["link"];
        }
        if (strlen($params["name"]) > 0) {
            Log::debug("name is " . $params["name"]);
            $update["name"] = $params["name"];
        }
        if (strlen($params["description"]) > 0) {
            $update["description"] = $params["description"];
        }
        if (count($update) == 0) {
            return NOTHING_UPDATE;
        }

        // check the data if exist in system.
        $actionBar = $this->where("id", $id)->where("is_del", false)->first();
        if (!$actionBar) {
            return INVALID_ACTION_BAR_ID;
        }

        $this->where("id", $id)->where("is_del", false)->update($update);
        return SUCCESS;
    }

    /**
     * 删除一个菜单项目，这里存在一个问题，就是如果删除上层的菜单，下层的菜单也应该都被删掉。但是可以通过parent来控制
     * 下层菜单不被加载出来
     *
     * @param array $params
     * @return int
     */
    public function DeleteActionBar(array $params)
    {
        $id = $params["id"];
        if ($id < 1) {
            return EMPTY_ACTION_BAR_ID;
        }
        $row = $this->where("id", $id)->where("is_del", false)->update(["is_del" => true]);
        if ($row == 0) {
            return INVALID_ACTION_BAR_ID;
        }
        return SUCCESS;
    }

    /**
     * 查出当前用户可以访问的所有action_bar的信息
     *
     * @param array $params
     * @return array
     */
    public function ListActionBar(array $params)
    {
        $uid = $params["uid"];

        // 收集当前用户有权限的bar_id
        $userActionBar = new UserActionBar();
        $bar_ids = $userActionBar->ListActionBarIds("", $uid);
        if (count($bar_ids) == 0) {
            return ["code" => SUCCESS, "data" => []];
        }

        // 查出bars的信息
        $result = $this->select("id", "parent", "name", "description", "icon", "link_type", "link")
            ->where("id", $bar_ids)
            ->where("status", "normal")->where("is_del", false)->get();
        return ["code" => SUCCESS, "data" => $result];
    }
}