<?php

namespace App\Http\Controllers;

use App\Actions\Environments\AttachManagedService;
use App\Enums\EnvironmentAttachmentRole;
use App\Enums\ServiceType;
use App\Http\Requests\StoreGatewayRouteRequest;
use App\Http\Requests\UpdateGatewayRouteRequest;
use App\Models\EnvironmentAttachment;
use App\Models\Organisation;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Inertia\Response;

class GatewayRouteController extends Controller
{
    public function index(Request $request): Response
    {
        $organisation = Organisation::findOrFail($request->route('organisation'));
        $application = $organisation->applications()->findOrFail($request->route('application'));
        $environment = $application->environments()
            ->with(['attachments.service', 'attachments.serviceSlice'])
            ->findOrFail($request->route('environment'));

        return inertia('gateway-routes/Index', [
            'application' => $application,
            'environment' => $environment,
            'routes' => $environment->attachments
                ->filter(fn (EnvironmentAttachment $attachment): bool => $attachment->role === EnvironmentAttachmentRole::GATEWAY)
                ->values(),
        ]);
    }

    public function create(Request $request): Response
    {
        $organisation = Organisation::findOrFail($request->route('organisation'));
        $application = $organisation->applications()->findOrFail($request->route('application'));
        $environment = $application->environments()->findOrFail($request->route('environment'));

        return inertia('gateway-routes/Create', [
            'application' => $application,
            'environment' => $environment,
            'services' => $organisation->services()
                ->where('type', ServiceType::CADDY->value)
                ->orderBy('name')
                ->get(['id', 'name', 'type', 'category']),
        ]);
    }

    public function store(StoreGatewayRouteRequest $request): RedirectResponse
    {
        $organisation = Organisation::findOrFail($request->route('organisation'));
        $application = $organisation->applications()->findOrFail($request->route('application'));
        $environment = $application->environments()->findOrFail($request->route('environment'));
        $service = $organisation->services()
            ->where('type', ServiceType::CADDY->value)
            ->findOrFail($request->integer('service_id'));

        $attachment = app(AttachManagedService::class)->execute(
            environment: $environment,
            service: $service,
            role: EnvironmentAttachmentRole::GATEWAY,
            name: $request->string('name')->toString(),
            isPrimary: true,
        );

        $attachment->serviceSlice?->update([
            'config' => [
                ...($attachment->serviceSlice->config ?? []),
                ...$this->routeConfig($request),
                'certificate_status' => $request->boolean('tls_enabled', true) ? 'pending' : 'disabled',
            ],
        ]);

        return redirect()
            ->route('gateway.routes.index', [
                'organisation' => $organisation->id,
                'application' => $application->id,
                'environment' => $environment->id,
            ])
            ->with('success', 'Gateway route created.');
    }

    public function edit(Request $request): Response
    {
        $organisation = Organisation::findOrFail($request->route('organisation'));
        $application = $organisation->applications()->findOrFail($request->route('application'));
        $environment = $application->environments()->findOrFail($request->route('environment'));
        $route = $environment->attachments()
            ->with(['service', 'serviceSlice'])
            ->where('role', EnvironmentAttachmentRole::GATEWAY->value)
            ->findOrFail($request->route('route'));

        return inertia('gateway-routes/Edit', [
            'application' => $application,
            'environment' => $environment,
            'routeAttachment' => $route,
        ]);
    }

    public function update(UpdateGatewayRouteRequest $request): RedirectResponse
    {
        $organisation = Organisation::findOrFail($request->route('organisation'));
        $application = $organisation->applications()->findOrFail($request->route('application'));
        $environment = $application->environments()->findOrFail($request->route('environment'));
        $route = $environment->attachments()
            ->with('serviceSlice')
            ->where('role', EnvironmentAttachmentRole::GATEWAY->value)
            ->findOrFail($request->route('route'));

        $route->serviceSlice?->update([
            'config' => [
                ...($route->serviceSlice->config ?? []),
                ...$this->routeConfig($request),
                'certificate_status' => $request->filled('certificate_status')
                    ? $request->string('certificate_status')->toString()
                    : ($request->boolean('tls_enabled', true) ? 'pending' : 'disabled'),
            ],
        ]);

        return redirect()
            ->route('gateway.routes.index', [
                'organisation' => $organisation->id,
                'application' => $application->id,
                'environment' => $environment->id,
            ])
            ->with('success', 'Gateway route updated.');
    }

    public function destroy(Request $request): RedirectResponse
    {
        $organisation = Organisation::findOrFail($request->route('organisation'));
        $application = $organisation->applications()->findOrFail($request->route('application'));
        $environment = $application->environments()->findOrFail($request->route('environment'));
        $route = $environment->attachments()
            ->where('role', EnvironmentAttachmentRole::GATEWAY->value)
            ->findOrFail($request->route('route'));

        $route->delete();

        return redirect()
            ->route('gateway.routes.index', [
                'organisation' => $organisation->id,
                'application' => $application->id,
                'environment' => $environment->id,
            ])
            ->with('success', 'Gateway route removed.');
    }

    /**
     * @return array{domain: string, path_prefix: string, tls_enabled: bool}
     */
    private function routeConfig(StoreGatewayRouteRequest|UpdateGatewayRouteRequest $request): array
    {
        return [
            'domain' => $request->string('domain')->toString(),
            'path_prefix' => $request->string('path_prefix')->toString(),
            'tls_enabled' => $request->boolean('tls_enabled', true),
        ];
    }
}