<?php

namespace Modules\Automation\Services;

use Illuminate\Support\Str;
use Modules\Automation\Jobs\ExecuteAutomation;
use Modules\Automation\Models\Automation;
use Modules\Automation\Models\AutomationRun;

final class AutomationRunner
{
    public function dispatch(Automation $automation, array $payload = [], ?string $triggerType = null): AutomationRun
    {
        abort_unless($automation->isActive(), 422, 'Automation is not active.');
        $run = $automation->runs()->create(['execution_id' => (string) Str::uuid(), 'trigger_type' => $triggerType ?? $automation->trigger_type, 'payload' => $payload, 'status' => 'queued']);
        ExecuteAutomation::dispatch($run->id)->onQueue(config('automation.queue', 'default'));

        return $run;
    }

    public function dispatchMatching(string $triggerType, array $payload = [], array $constraints = []): int
    {
        $query = Automation::query()->where('status', 'active')->where('trigger_type', $triggerType);
        $count = 0;
        foreach ($query->get() as $automation) {
            if ($this->matches($automation, $constraints)) {
                $this->dispatch($automation, $payload, $triggerType);
                $count++;
            }
        }

        return $count;
    }

    private function matches(Automation $automation, array $constraints): bool
    {
        $config = $automation->trigger_config ?? [];
        foreach ($constraints as $key => $value) {
            if (isset($config[$key]) && (string) $config[$key] !== (string) $value) {
                return false;
            }
        }

        return true;
    }
}