<?php
// +----------------------------------------------------------------------
// | YwxApp [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2026-2036 http://ywxapp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Author: ywxapp<admin@ywxapp.cn>
// +----------------------------------------------------------------------
declare(strict_types=1);

namespace ywxapp\model;

use think\model\concern\SoftDelete;

/**
 * 前台主导航菜单模型（支持两级下拉）.
 */
class CommonNavMenu extends BaseModel
{
    use SoftDelete;

    protected $deleteTime = 'delete_at';
 
    protected function getOptions(): array
    {
        return [
            'strict'             => false,
            'autoWriteTimestamp' => 'int',
            'createTime'         => 'create_at',
            'updateTime'         => 'update_at',
            'deleteTime'         => 'delete_at',
            'defaultSoftDelete'  => 0,
            'append'             => ['target'],
            'hidden'             => ['create_at', 'update_at', 'delete_at'],
            'readonly'           => ['id'],
        ];
    }
    /**
     * 运行时自愈：确保 common_nav_menu 主表存在（install.sql 为事实源），
     * 老库补充 app 字段（跨应用链接，见 ensureColumn）.
     */
    public static function ensureSchema(): void
    {
        $prefix = BaseModel::currentPrefix();
        BaseModel::ensureTableFromInstall($prefix, 'common_nav_menu');
        BaseModel::ensureColumn(
            $prefix . 'common_nav_menu',
            'app',
            "varchar(30) NOT NULL DEFAULT '' COMMENT '所属应用（跨应用链接用，空=当前应用）' AFTER `url`"
        );
    }

    protected function initialize()
    {
        parent::initialize();
        self::ensureSchema();
    }

    /**
     * 获取启用的导航树（两级：父 + 子）。
     * @return array [{id,title,url,icon,child:[...]}]
     */
    public static function getNavTree(): array
    {
        $list = self::where('status', 1)
            ->where('delete_at', 0)
            ->order('sort', 'asc')
            ->order('id', 'asc')
            ->field('id,parent_id,title,url,app,icon,sort')
            ->select()
            ->toArray();

        $parents = [];
        $childrenMap = [];
        foreach ($list as $item) {
            $item['ctrl'] = strtolower(strtok($item['url'], '/') ?: '');
            if ((int) $item['parent_id'] === 0) {
                $item['child'] = [];
                $parents[] = $item;
            } else {
                $childrenMap[$item['parent_id']][] = $item;
            }
        }
        foreach ($parents as &$p) {
            if (isset($childrenMap[$p['id']])) {
                $p['child'] = $childrenMap[$p['id']];
            }
        }
        return $parents;
    }

    /**
     * 后台列表：返回两级扁平树（含隐藏项）.
     *
     * @param string $title 可选：按菜单名称模糊筛选（命中子项时自动带上其父级）
     */
    public static function getAdminTree(string $title = ''): array
    {
        $query = self::where('delete_at', 0);
        if ($title !== '') {
            $matchIds = self::where('delete_at', 0)->whereLike('title', "%{$title}%")->column('id');
            if (empty($matchIds)) {
                return [];
            }
            $parentIds = self::where('delete_at', 0)->whereIn('parent_id', $matchIds)->column('parent_id');
            $ids       = array_values(array_unique(array_merge($matchIds, $parentIds)));
            $query->whereIn('id', $ids);
        }
        $list = $query->order('sort', 'asc')
            ->order('id', 'asc')
            ->field('id,parent_id,title,url,app,icon,sort,status')
            ->select()
            ->toArray();

        $parents = [];
        $childrenMap = [];
        foreach ($list as $item) {
            $item['ctrl'] = strtolower(strtok($item['url'], '/') ?: '');
            if ((int) $item['parent_id'] === 0) {
                $item['child'] = [];
                $parents[] = $item;
            } else {
                $childrenMap[$item['parent_id']][] = $item;
            }
        }
        foreach ($parents as &$p) {
            if (isset($childrenMap[$p['id']])) {
                $p['child'] = $childrenMap[$p['id']];
            }
        }
        return $parents;
    }
}