<?php

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

return new class extends Migration
{
    /**
     * Run the migrations.
     */
    public function up(): void
    {
        Schema::create('buy_queue', function (Blueprint $table) {
            $table->id();
            $table->foreignId('item_id')->constrained()->onDelete('cascade');
            $table->foreignId('user_id')->constrained()->onDelete('cascade');
            $table->integer('position');
            $table->enum('status', ['pending', 'offered', 'declined', 'cancelled'])->default('pending');
            $table->text('message')->nullable();
            $table->timestamp('offered_at')->nullable();
            $table->timestamp('expires_at')->nullable();
            $table->timestamps();
            
            $table->unique(['item_id', 'user_id']);
            $table->index(['item_id', 'position']);
            $table->index(['user_id', 'status']);
        });
    }

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