<?php

declare(strict_types=1);

namespace ywxapp\model;

use ywxapp\model\BaseModel;

use think\facade\Db;
use think\model\concern\SoftDelete;

/**
 * 勋章中心
 */
class CommonMedal extends BaseModel
{
    use SoftDelete;
    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'],
        ];
    }
    

    /**
     * 控制器初始化（模型实例方法，非静态）
     */
    protected function initialize()
    {
        parent::initialize();
        self::ensureSchema();
    }

    /**
     * 授予勋章（幂等：同一用户同一勋章仅记录一次）
     * @return array [bool $ok, string $msg]
     */
    public static function grant(int $uid, int $medalId): array
    {
        self::ensureSchema(); // 确保 user_medal 关联表已就绪（静态入口也可能在未实例化模型时被调用）
        if ($uid <= 0) {
            return [false, '用户未登录'];
        }
        $medal = self::where('id', $medalId)->where('status', 1)->find();
        if (!$medal) {
            return [false, '勋章不存在或未启用'];
        }

        $exists = Db::name('member_medal')
            ->where('uid', $uid)
            ->where('medal_id', $medalId)
            ->find();
        if ($exists) {
            return [true, '已拥有该勋章'];
        }

        Db::name('member_medal')->insert([
            'uid'         => $uid,
            'medal_id'    => $medalId,
            'create_at' => time(),
        ]);
        return [true, '恭喜获得勋章：' . $medal->title];
    }

    /**
     * 取某用户拥有的勋章列表（含勋章信息）
     */
    public static function getUserMedals(int $uid): array
    {
        self::ensureSchema(); // 确保 user_medal 关联表已就绪（静态入口也可能在未实例化模型时被调用）
        if ($uid <= 0) {
            return [];
        }
        return Db::name('member_medal')
            ->alias('um')
            ->join('common_medal m', 'm.id = um.medal_id')
            ->where('um.uid', $uid)
            ->where('m.delete_at', 0)
            ->field('m.id,m.title,m.image,m.description,um.create_at')
            ->order('um.create_at', 'desc')
            ->select()
            ->toArray();
    }

    /**
     * 表自愈：确保勋章相关表（medal / member_medal）已就绪。
     */
    public static function ensureSchema(): void
    {
        $prefix = BaseModel::currentPrefix();
        BaseModel::ensureTableFromInstall($prefix, 'common_medal');
        BaseModel::ensureTableFromInstall($prefix, 'member_medal');
    }
}