<?php

namespace App\Http\Controllers;

use App\Actions\Services\CreateService;
use App\Enums\DeployPolicy;
use App\Enums\ServiceCategory;
use App\Enums\ServiceType;
use App\Http\Requests\StoreServiceRequest;
use App\Http\Requests\UpdateServiceRequest;
use App\Models\Organisation;
use App\Models\Server;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Inertia\Response;

class ServiceController extends Controller
{
    public function create(Request $request): Response
    {
        $server = Server::findOrFail($request->route('server'));

        return inertia('services/Create', [
            'server' => $server,
            'services' => config('keystone.services'),
        ]);
    }

    public function store(StoreServiceRequest $request): RedirectResponse
    {
        $server = Server::findOrFail($request->route('server'));

        $service = app(CreateService::class)->execute(
            server: $server,
            name: $request->name,
            category: $request->enum('category', ServiceCategory::class),
            type: $request->enum('type', ServiceType::class),
            version: $request->version,
        );

        return redirect()->route('servers.show', [
            'organisation' => $server->organisation->id,
            'server' => $server->id,
        ])->with([
            'success' => 'Service created successfully',
            'service' => $service,
        ]);
    }

    public function show(Request $request): Response
    {
        $server = Server::findOrFail($request->route('server'));
        $service = $server->services()
            ->with(['replicas', 'slices', 'endpoints', 'operations.steps', 'operations.children.target', 'environment.application'])
            ->findOrFail($request->route('service'));

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

    public function showForEnvironment(Request $request): Response
    {
        $organisation = Organisation::findOrFail($request->route('organisation'));
        $application = $organisation->applications()->findOrFail($request->route('application'));
        $environment = $application->environments()->findOrFail($request->route('environment'));
        $service = $environment->services()
            ->with(['server', 'replicas', 'slices', 'endpoints', 'operations.steps', 'operations.children.target', 'environment.application'])
            ->findOrFail($request->route('service'));

        return inertia('services/Show', [
            'server' => $service->server,
            'service' => $service,
            'environment' => $environment,
            'application' => $application,
        ]);
    }

    public function edit(Request $request): Response
    {
        $server = Server::findOrFail($request->route('server'));
        $service = $server->services()->findOrFail($request->route('service'));

        return inertia('services/Edit', [
            'server' => $server,
            'service' => $service,
            'deployPolicies' => array_values(DeployPolicy::toArray()),
        ]);
    }

    public function update(UpdateServiceRequest $request): RedirectResponse
    {
        $server = Server::findOrFail($request->route('server'));
        $service = $server->services()->findOrFail($request->route('service'));

        $validated = $request->validated();

        $service->update([
            'name' => $validated['name'],
            'desired_replicas' => $validated['desired_replicas'],
            'default_cpu_limit' => $validated['default_cpu_limit'] ?? null,
            'default_memory_limit_mb' => $validated['default_memory_limit_mb'] ?? null,
            'deploy_policy' => $request->enum('deploy_policy', DeployPolicy::class) ?? $service->deploy_policy,
            'version_track' => $validated['version_track'] ?? $service->version_track,
            'available_image_digest' => $validated['available_image_digest'] ?? null,
            'process_roles' => collect(explode(',', $validated['process_roles'] ?? ''))
                ->map(fn (string $role): string => trim($role))
                ->filter()
                ->values()
                ->all(),
            'config' => [
                ...($service->config ?? []),
                'migration_mode' => $validated['migration_mode'] ?? null,
                'migration_timing' => $validated['migration_timing'] ?? null,
                'migration_command' => $validated['migration_command'] ?? null,
                'health_path' => $validated['health_path'] ?? null,
                'backup_enabled' => $request->boolean('backup_enabled'),
                'backup_command' => $validated['backup_command'] ?? null,
            ],
        ]);

        return redirect()
            ->route('services.show', [
                'organisation' => $server->organisation_id,
                'server' => $server->id,
                'service' => $service->id,
            ])
            ->with('success', 'Service updated.');
    }

    public function destroy(Request $request): RedirectResponse
    {
        $server = Server::findOrFail($request->route('server'));
        $service = $server->services()->findOrFail($request->route('service'));

        $service->delete();

        return redirect()
            ->route('servers.show', [
                'organisation' => $server->organisation_id,
                'server' => $server->id,
            ])
            ->with('success', 'Service deleted.');
    }
}