<?php

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

return new class extends Migration
{
    // 설계 상위: models
    public function up(): void
    {
        Schema::create('models', function (Blueprint $table) {
            $table->bigIncrements('id');
            $table->unsignedBigInteger('tenant_id')->comment('테넌트ID');
            $table->string('code', 100)->comment('모델코드(설계코드)');
            $table->string('name', 200)->comment('모델명');
            $table->unsignedBigInteger('category_id')->nullable()->comment('카테고리ID(참조용, FK 미설정)');
            $table->string('lifecycle', 30)->nullable()->comment('PLANNING/ACTIVE/DEPRECATED 등');
            $table->text('description')->nullable();
            $table->boolean('is_active')->default(true);
            $table->timestamps();
            $table->softDeletes();

            $table->unique(['tenant_id', 'code'], 'uq_models_tenant_code');
            $table->index(['tenant_id', 'is_active'], 'idx_models_tenant_active');
            $table->index(['tenant_id', 'category_id'], 'idx_models_tenant_category');
        });
    }

    public function down(): void
    {
        Schema::dropIfExists('models');
    }
};