<?php

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

return new class extends Migration {
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('module_snapshot', function (Blueprint $table) {
            $table->id();
            $table->string('name', 255)->nullable();

            $table->unsignedBigInteger('customer_id')->nullable()->index();
            $table->unsignedBigInteger('module_vmware_id')->nullable()->index();

            $table->text('description')->nullable();

            // Async snapshot status
            $table->enum('status', [
                'pending',
                'processing',
                'success',
                'failed'
            ])->default('pending')->index();

            // vCenter mapping
            $table->string('snapshot_ref')->nullable()->comment('Snapshot ID / moRef from vCenter');
            $table->string('vcenter_task_id')->nullable()->comment('Task ID from vCenter');
            $table->unsignedBigInteger('size_bytes')
                ->nullable()
                ->comment('Snapshot size in bytes');

            $table->decimal('size_gb', 10, 2)
                ->nullable()
                ->comment('Snapshot size in GB');

            $table->timestamp('size_last_synced_at')
                ->nullable()
                ->comment('Last time snapshot size was synced');
            // Error handling
            $table->text('error_message')->nullable();
            $table->timestamps();

            $table->foreign('customer_id')
                ->references('id')
                ->on('customers')
                ->nullOnDelete();

            $table->foreign('module_vmware_id')
                ->references('id')
                ->on('module_vmware')
                ->nullOnDelete();
        });
    }

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