<?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('units', function (Blueprint $table) {
            $table->id();
            $table->string('name');
            $table->string('code', 255);
            $table->enum('status', ['active', 'inactive'])->default('active');
            $table->enum('type', ['Multiply', 'Addition', 'Subtraction', 'Divide'])->nullable();
            $table->decimal('operation_value', 10, 2)->nullable();
            $table->text('formula')->nullable();
            $table->unsignedBigInteger('base_unit')->constrained('units')->nullable();
            $table->unsignedBigInteger('created_by_id')->nullable();
            $table->unsignedBigInteger('updated_by_id')->nullable();
            $table->softDeletes();
            $table->timestamps();

            // Add unique constraint with key length for 'code' column
            $table->unique(['code']);
        });
    }

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