<?php

namespace App\Console\Commands;

use App\Models\Course;
use App\Models\CourseSign;
use App\Models\User;
use App\Repositories\MeetRepository;
use Illuminate\Console\Command;


class UpdateUserNo extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'update_user_no';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = '批量更新学号/打元和同事标签';

    /**
     * Create a new command instance.
     *
     * @return void
     */
    public function __construct()
    {
        parent::__construct();
    }

    /**
     * Execute the console command.
     *
     * @return mixed
     */
    public function handle()
    {
        // 1. 批量更新学号
        $this->updateUserNo();

        // 2. 给元和同事打标签
        $this->tagYuanheColleague();

        return $this->info('更新完成');
    }

    /**
     * 批量更新学号
     */
    protected function updateUserNo()
    {
        $this->info('开始更新学号...');
        $today = date('Y-m-d');

        // 获取所有已开始且有学号前缀的课程
        $courses = Course::with([
            'courseSigns' => function ($query) {
                $query->where('status', 1);
            }
        ])->whereNotNull('start_date')
            ->where('start_date', '<=', $today)
            ->whereNotNull('student_prefix')
            ->orderBy('start_date')
            ->get();

        $totalUpdated = 0;
        foreach ($courses as $course) {
            $i = 1;
            // 编号前缀
            foreach ($course->courseSigns as $sign) {
                $user = User::find($sign->user_id);
                // 只要用户没有学号（包括 null 和空字符串），都需要更新
                if ($user->no) {
                    continue;
                }

                // 生成学号，如果已存在则顺位+1继续尝试
                $baseNo = $course->student_prefix . str_pad($i, 3, '0', STR_PAD_LEFT);
                $no = $baseNo;
                $attempt = 0;
                $maxAttempts = 1000; // 防止无限循环

                // 检查学号是否已存在，如果存在则顺位+1继续尝试
                while (User::where('no', $no)->where('id', '!=', $user->id)->exists() && $attempt < $maxAttempts) {
                    $i++;
                    $no = $course->student_prefix . str_pad($i, 3, '0', STR_PAD_LEFT);
                    $attempt++;
                }

                if ($attempt >= $maxAttempts) {
                    $this->warn('课程: ' . ($course->name ?? $course->id) . ', 用户: ' . ($user->name ?? $user->id) . ' 无法生成唯一学号，跳过');
                    continue;
                }

                // 更新用户编号
                $user->no = $no;
                $user->save();

                if ($no != $baseNo) {
                    $this->info('课程: ' . ($course->name ?? $course->id) . ', 原学号: ' . $baseNo . ' 已存在，使用: ' . $no . ', 用户: ' . ($user->name ?? $user->id));
                } else {
                    $this->info('课程: ' . ($course->name ?? $course->id) . ', 学号: ' . $no . ', 用户: ' . ($user->name ?? $user->id));
                }
                $i++;
                $totalUpdated++;
            }
        }
        $this->info('学号更新完成，共更新 ' . $totalUpdated . ' 个学号');
    }

    /**
     * 给元和同事打标签
     */
    protected function tagYuanheColleague()
    {
        $this->info('开始给元和同事打标签...');
        $tag = '元禾同事';

        // 获取元和员工用户列表
        $users = CourseSign::companyJoin(null, null, null, true, false);

        $count = 0;
        foreach ($users as $user) {
            // 获取当前的 from 字段
            $from = $user->from ?? '';

            // 将 from 字段按逗号分隔成数组
            $fromArray = array_filter(array_map('trim', explode(',', $from)));

            // 检查是否已存在该标签
            if (in_array($tag, $fromArray)) {
                continue;
            }

            // 追加标签
            $fromArray[] = $tag;

            // 更新 from 字段
            $user->from = implode(',', $fromArray);
            $user->save();

            $this->info('已为用户 ' . $user->name . '(' . $user->mobile . ') 添加标签: ' . $tag);
            $count++;
        }

        $this->info('元和同事标签更新完成，共更新 ' . $count . ' 人');
    }

}