<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;
use Illuminate\Support\Facades\DB;

return new class extends Migration
{
    /**
     * Run the migrations.
     */
    public function up(): void
    {
        Schema::create('group_users', function (Blueprint $table) {
            $table->increments('id'); // 主键 + AUTO_INCREMENT
            $table->string('message_chat_id', 50)->nullable()->comment('隶属群ID');
            $table->string('message_from_id', 15)->nullable()->comment('telegram的ID');
            $table->string('message_from_first_name', 200)->nullable();
            $table->string('message_from_last_name', 50)->nullable();
            $table->string('message_from_username', 120)->nullable();
            $table->decimal('rate', 10, 2)->default(0)->comment('费率');
            $table->decimal('exchange_rate', 10, 2)->default(0)->comment('汇率');
            $table->integer('end_time')->nullable()->comment('日结束时间');
            $table->integer('operator')->default(0)->comment('操作员 0不是1是');
            $table->integer('competence')->default(0)->comment('0普通权限,1管理员');
            $table->string('inviter', 50)->nullable()->comment('邀请人');
            $table->timestamp('created_at')->nullable();
            $table->timestamp('updated_at')->nullable();
            // 设置字符集与排序规则
            $table->charset = 'utf8mb4';
            $table->collation = 'utf8mb4_0900_ai_ci';
        });

        // 若需要设置表注释（Laravel 原生不支持）
        // 可借助 doctrine/dbal 手动添加，或使用迁移后执行 SQL 语句
        DB::statement("ALTER TABLE `group_users` COMMENT = '群用户人员'");
    }

    /**
     * Reverse the migrations.
     */
    public function down(): void
    {
        Schema::dropIfExists('group_users');
    }
};