<?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('backup_policies', function (Blueprint $table) {
            $table->id();
            $table->string('name');
            $table->string('target_type'); // vm, container, database, files
            $table->json('target_ids');
            $table->string('schedule'); // cron expression
            $table->string('retention_type')->default('count'); // count, days
            $table->integer('retention_value')->default(7);
            $table->string('storage_type'); // local, s3, sftp, nfs
            $table->json('storage_config')->nullable(); // encrypted
            $table->boolean('is_active')->default(true);
            $table->json('compression')->nullable();
            $table->json('encryption')->nullable();
            $table->foreignId('created_by')->constrained('users');
            $table->timestamps();
        });

        Schema::create('backups', function (Blueprint $table) {
            $table->id();
            $table->foreignId('policy_id')->nullable()->constrained('backup_policies')->nullOnDelete();
            $table->string('target_type');
            $table->unsignedBigInteger('target_id');
            $table->string('target_name');
            $table->string('status'); // running, success, failed, expired
            $table->string('storage_path')->nullable();
            $table->bigInteger('size_bytes')->nullable();
            $table->string('checksum')->nullable();
            $table->json('metadata')->nullable();
            $table->text('notes')->nullable();
            $table->timestamp('expires_at')->nullable();
            $table->foreignId('created_by')->constrained('users');
            $table->timestamp('started_at')->nullable();
            $table->timestamp('completed_at')->nullable();
            $table->timestamps();
        });

        Schema::create('restore_jobs', function (Blueprint $table) {
            $table->id();
            $table->foreignId('backup_id')->constrained('backups');
            $table->string('target_type');
            $table->unsignedBigInteger('target_id')->nullable();
            $table->string('restore_mode'); // overwrite, new, test
            $table->json('restore_config')->nullable();
            $table->string('status'); // queued, running, success, failed
            $table->text('log')->nullable();
            $table->foreignId('initiated_by')->constrained('users');
            $table->timestamp('started_at')->nullable();
            $table->timestamp('completed_at')->nullable();
            $table->timestamps();
        });
    }

    public function down(): void
    {
        Schema::dropIfExists('restore_jobs');
        Schema::dropIfExists('backups');
        Schema::dropIfExists('backup_policies');
    }
};