<?php

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

return new class extends Migration
{
    public function up(): void
    {
        Schema::create('leaves', function (Blueprint $table) {
            $table->id();
            $table->unsignedBigInteger('tenant_id')->comment('테넌트 ID');
            $table->unsignedBigInteger('user_id')->comment('신청자 ID');
            $table->string('leave_type', 20)->comment('휴가유형: annual/half_am/half_pm/sick/family/maternity/parental');
            $table->date('start_date')->comment('시작일');
            $table->date('end_date')->comment('종료일');
            $table->decimal('days', 3, 1)->comment('사용일수');
            $table->text('reason')->nullable()->comment('휴가 사유');
            $table->string('status', 20)->default('pending')->comment('상태: pending/approved/rejected/cancelled');
            $table->unsignedBigInteger('approved_by')->nullable()->comment('승인자 ID');
            $table->timestamp('approved_at')->nullable()->comment('승인/반려 일시');
            $table->text('reject_reason')->nullable()->comment('반려 사유');
            $table->unsignedBigInteger('created_by')->nullable()->comment('등록자');
            $table->unsignedBigInteger('updated_by')->nullable()->comment('수정자');
            $table->unsignedBigInteger('deleted_by')->nullable()->comment('삭제자');
            $table->softDeletes();
            $table->timestamps();

            $table->index(['tenant_id', 'user_id'], 'idx_tenant_user');
            $table->index('status', 'idx_status');
            $table->index(['start_date', 'end_date'], 'idx_dates');
        });
    }

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