<?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('countries', function (Blueprint $table) {
            $table->increments('id');
            $table->string('code', 2)->nullable();
            $table->string('name', 191);
            $table->unsignedInteger('zone_id')->default(0);
            $table->boolean('status')->default(true);
            $table->timestamps();
            $table->softDeletes();

            $table->index(['status', 'name']);
        });

        Schema::create('states', function (Blueprint $table) {
            $table->bigIncrements('id');
            $table->string('name', 191);
            $table->unsignedInteger('country_id');
            $table->boolean('status')->default(true);
            $table->timestamps();
            $table->softDeletes();

            $table->foreign('country_id')->references('id')->on('countries')->cascadeOnDelete();
            $table->index(['country_id', 'status', 'name']);
        });

        Schema::create('cities', function (Blueprint $table) {
            $table->bigIncrements('id');
            $table->string('name', 191);
            $table->unsignedBigInteger('state_id')->nullable();
            $table->unsignedInteger('country_id')->nullable();
            $table->decimal('cost', 20, 2)->default(0);
            $table->boolean('status')->default(true);
            $table->timestamps();
            $table->softDeletes();

            $table->foreign('state_id')->references('id')->on('states')->nullOnDelete();
            $table->foreign('country_id')->references('id')->on('countries')->nullOnDelete();
            $table->index(['state_id', 'status', 'name']);
            $table->index(['country_id', 'status']);
        });
    }

    public function down(): void
    {
        Schema::dropIfExists('cities');
        Schema::dropIfExists('states');
        Schema::dropIfExists('countries');
    }
};