<?php

declare(strict_types=1);

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('unpaid_leaves', function (Blueprint $table): void {
            $table->id();
            $table->foreignId('employee_id')->constrained()->cascadeOnDelete();
            $table->date('start_date');
            $table->date('end_date');
            $table->unsignedInteger('days');
            $table->text('reason')->nullable();
            $table->string('status')->default('pending');
            $table->foreignId('approved_by')->nullable()->constrained('users')->nullOnDelete();
            $table->timestamp('approved_at')->nullable();
            $table->timestamps();
            $table->softDeletes();

            $table->index('status');
            $table->index(['employee_id', 'start_date']);
        });
    }

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