<?php

namespace App\Console\Commands;

use App\Models\MigrationSchedule;
use App\Models\MigrationRun;
use App\Jobs\RunMigrationJob;
use Illuminate\Console\Command;

class RunMigration extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'migration:run {schedule? : The schedule ID to run}';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Run a migration schedule immediately';

    /**
     * Execute the console command.
     */
    public function handle(): int
    {
        $scheduleId = $this->argument('schedule');

        if ($scheduleId) {
            $schedule = MigrationSchedule::find($scheduleId);
            
            if (!$schedule) {
                $this->error("Schedule with ID {$scheduleId} not found.");
                return Command::FAILURE;
            }

            $this->runSchedule($schedule);
        } else {
            // Run all due schedules
            $schedules = MigrationSchedule::where('is_active', true)
                ->where(function ($query) {
                    $query->whereNull('next_run_at')
                          ->orWhere('next_run_at', '<=', now());
                })
                ->get();

            if ($schedules->isEmpty()) {
                $this->info('No schedules due to run.');
                return Command::SUCCESS;
            }

            foreach ($schedules as $schedule) {
                $this->runSchedule($schedule);
            }
        }

        return Command::SUCCESS;
    }

    /**
     * Run a specific schedule
     */
    private function runSchedule(MigrationSchedule $schedule): void
    {
        $this->info("Running migration schedule: {$schedule->name}");

        $migrationRun = MigrationRun::create([
            'schedule_id' => $schedule->id,
            'status' => 'pending',
            'total_tables' => count($schedule->tables),
        ]);

        RunMigrationJob::dispatch($migrationRun);

        $this->info("Migration job dispatched. Run ID: {$migrationRun->id}");
    }
}