<?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('collector_credit_order', function (Blueprint $table) {
            $table->id();
            $table->foreignId('company_id')->constrained()->cascadeOnDelete();
            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
            $table->foreignId('credit_id')->constrained()->cascadeOnDelete();
            $table->unsignedInteger('sort_order');
            $table->timestamps();

            // Unique: one row per credit per collector
            $table->unique(['company_id', 'user_id', 'credit_id']);

            // Ordered queries: get collector's credits in order
            $table->index(['company_id', 'user_id', 'sort_order']);
        });
    }

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