<?php

namespace App\Providers;

use App\Domain\Automation\Enum\NodeType;
use App\Domain\Automation\Runtime\FlowExecutor;
use App\Domain\Automation\Runtime\HandlerRegistry;
use App\Domain\Automation\Runtime\Handlers\ConditionHandler;
use App\Domain\Automation\Runtime\Handlers\OperationHandler;
use App\Domain\Automation\Runtime\Handlers\SendHandler;
use App\Domain\Automation\Runtime\Handlers\WaitHandler;
use App\Domain\Automation\Runtime\Handlers\WaitUntilHandler;
use App\Domain\Automation\Runtime\Handlers\WebhookHandler;
use App\Domain\Automation\Runtime\CronTriggerScanner;
use App\Domain\Automation\Runtime\TriggerDispatcher;
use Illuminate\Support\ServiceProvider;

/**
 * Wires the automation runtime: HandlerRegistry as singleton with one
 * concrete NodeHandler bound per non-trigger NodeType, and FlowExecutor
 * resolved with that registry.
 *
 * Trigger nodes don't need a handler — dispatching enters the flow at the
 * trigger's CHILD, so the trigger itself is never executed.
 */
final class AutomationRuntimeServiceProvider extends ServiceProvider
{
    public function register(): void
    {
        $this->app->singleton(HandlerRegistry::class, function () {
            $r = new HandlerRegistry();
            $r->register(NodeType::Send,      $this->app->make(SendHandler::class));
            $r->register(NodeType::Wait,      $this->app->make(WaitHandler::class));
            $r->register(NodeType::WaitUntil, $this->app->make(WaitUntilHandler::class));
            $r->register(NodeType::Condition, $this->app->make(ConditionHandler::class));
            $r->register(NodeType::Operation, $this->app->make(OperationHandler::class));
            $r->register(NodeType::Webhook,   $this->app->make(WebhookHandler::class));
            return $r;
        });

        $this->app->bind(FlowExecutor::class, function ($app) {
            return new FlowExecutor($app->make(HandlerRegistry::class));
        });

        $this->app->bind(TriggerDispatcher::class, function ($app) {
            return new TriggerDispatcher($app->make(FlowExecutor::class));
        });

        $this->app->bind(CronTriggerScanner::class, function ($app) {
            return new CronTriggerScanner($app->make(TriggerDispatcher::class));
        });
    }
}