<?php

namespace App\Http\Controllers;

use App\Enums\OperationKind;
use App\Enums\OperationStatus;
use App\Models\Organisation;
use App\Models\ServiceReplica;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Inertia\Response;

class ServiceReplicaController extends Controller
{
    public function show(Request $request): Response
    {
        $organisation = Organisation::findOrFail($request->route('organisation'));
        $server = $organisation->servers()->findOrFail($request->route('server'));
        $service = $server->services()->with('environment.application')->findOrFail($request->route('service'));
        $replica = $service->replicas()
            ->with(['server', 'operation.steps', 'operations.steps', 'operations.children.target'])
            ->findOrFail($request->route('replica'));

        return inertia('service-replicas/Show', [
            'server' => $server,
            'service' => $service,
            'replica' => $replica,
        ]);
    }

    public function restart(Request $request): RedirectResponse
    {
        $organisation = Organisation::findOrFail($request->route('organisation'));
        $server = $organisation->servers()->findOrFail($request->route('server'));
        $service = $server->services()->findOrFail($request->route('service'));
        $replica = $service->replicas()->findOrFail($request->route('replica'));

        $this->queueLifecycleOperation($replica, 'Restart replica', "docker restart {$replica->container_name}");

        return redirect()
            ->route('service-replicas.show', [
                'organisation' => $organisation->id,
                'server' => $server->id,
                'service' => $service->id,
                'replica' => $replica->id,
            ])
            ->with('success', 'Replica restart queued.');
    }

    public function start(Request $request): RedirectResponse
    {
        $organisation = Organisation::findOrFail($request->route('organisation'));
        $server = $organisation->servers()->findOrFail($request->route('server'));
        $service = $server->services()->findOrFail($request->route('service'));
        $replica = $service->replicas()->findOrFail($request->route('replica'));

        $this->queueLifecycleOperation($replica, 'Start replica', "docker start {$replica->container_name}");

        return redirect()
            ->route('service-replicas.show', [
                'organisation' => $organisation->id,
                'server' => $server->id,
                'service' => $service->id,
                'replica' => $replica->id,
            ])
            ->with('success', 'Replica start queued.');
    }

    public function stop(Request $request): RedirectResponse
    {
        $organisation = Organisation::findOrFail($request->route('organisation'));
        $server = $organisation->servers()->findOrFail($request->route('server'));
        $service = $server->services()->findOrFail($request->route('service'));
        $replica = $service->replicas()->findOrFail($request->route('replica'));

        $this->queueLifecycleOperation($replica, 'Stop replica', "docker stop {$replica->container_name}");

        return redirect()
            ->route('service-replicas.show', [
                'organisation' => $organisation->id,
                'server' => $server->id,
                'service' => $service->id,
                'replica' => $replica->id,
            ])
            ->with('success', 'Replica stop queued.');
    }

    private function queueLifecycleOperation(ServiceReplica $replica, string $name, string $script): void
    {
        $operation = $replica->operations()->create([
            'kind' => OperationKind::REPLICA_DEPLOY,
            'status' => OperationStatus::PENDING,
        ]);

        $operation->steps()->create([
            'name' => $name,
            'order' => 1,
            'status' => OperationStatus::PENDING,
            'script' => $script,
        ]);
    }
}