<?php

/**
 * 文件功能：创建职务表迁移
 * 职务属于某个部门，包含 rank 位阶、对应 user_level、人数上限、奖励上限和展示图标
 *
 * @author   ChatRoom Laravel
 *
 * @version  1.0.0
 */

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

return new class extends Migration
{
    /**
     * 创建职务表
     */
    public function up(): void
    {
        Schema::create('positions', function (Blueprint $table) {
            $table->id();
            $table->foreignId('department_id')->constrained('departments')->cascadeOnDelete()->comment('所属部门');
            $table->string('name', 50)->comment('职务名称');
            $table->string('icon', 10)->nullable()->comment('职务图标（emoji），展示在聊天室用户列表');
            $table->unsignedTinyInteger('rank')->default(0)->comment('职务位阶（0~99，跨全局排序，99 最高）');
            $table->tinyInteger('level')->default(1)->comment('对应 user_level，任命后同步写入 users.user_level');
            $table->unsignedTinyInteger('max_persons')->nullable()->comment('人数上限（null=不限）');
            $table->unsignedInteger('max_reward')->nullable()->comment('单次奖励上限金币（null=不限）');
            $table->tinyInteger('sort_order')->default(0)->comment('后台列表排序');
            $table->timestamps();
        });
    }

    /**
     * 回滚：删除职务表
     */
    public function down(): void
    {
        Schema::dropIfExists('positions');
    }
};
