buckets/database/migrations/2025_12_29_205724_create_buckets_table.php

<?php

use App\Enums\BucketTypeEnum;
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('buckets', function (Blueprint $table) {
            $table->id();
            $table->uuid()->unique();
            $table->foreignId('scenario_id')->constrained()->onDelete('cascade');
            $table->enum('type', BucketTypeEnum::values())->default(BucketTypeEnum::NEED->value);
            $table->string('name');
            $table->integer('priority');
            $table->integer('sort_order')->default(0);
            $table->enum('allocation_type', ['fixed_limit', 'percentage', 'unlimited']);
            $table->unsignedBigInteger('allocation_value')->nullable();
            $table->unsignedBigInteger('starting_amount')->default(0);
            $table->timestamps();

            // Indexes for performance
            $table->index(['scenario_id', 'priority']);
            $table->unique(['scenario_id', 'priority'], 'unique_scenario_priority');
        });
    }

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