<?php

namespace App\Mcp\Resources;

use App\Mcp\Concerns\ResolvesTeam;
use App\Models\Project;
use App\Models\Server;
use Laravel\Mcp\Request;
use Laravel\Mcp\Response;
use Laravel\Mcp\Server\Resource;

class InfrastructureOverviewResource extends Resource
{
    use ResolvesTeam;

    protected string $name = 'coolify-overview';

    protected string $description = 'Team infrastructure overview JSON for the authenticated Coolify token.';

    protected string $uri = 'coolify://overview';

    protected string $mimeType = 'application/json';

    public function handle(Request $request): Response
    {
        if ($error = $this->ensureAbility($request, 'read', $this->name)) {
            return $error;
        }

        $teamId = $this->resolveTeamId($request);
        if (is_null($teamId)) {
            return Response::error('Invalid token.');
        }

        $servers = Server::whereTeamId($teamId)
            ->with('settings:id,server_id,is_reachable,is_usable')
            ->get()
            ->map(fn (Server $s) => [
                'uuid' => $s->uuid,
                'name' => $s->name,
                'ip' => $s->ip,
                'is_reachable' => $s->settings?->is_reachable,
                'is_usable' => $s->settings?->is_usable,
            ])
            ->values()
            ->all();

        // databases() is a Collection helper (not an Eloquent relation), so withCount
        // must target the individual standalone DB relations and sum them.
        $projects = Project::where('team_id', $teamId)
            ->withCount([
                'applications',
                'services',
                'postgresqls',
                'redis',
                'mongodbs',
                'mysqls',
                'mariadbs',
                'keydbs',
                'dragonflies',
                'clickhouses',
            ])
            ->get()
            ->map(fn (Project $project) => [
                'uuid' => $project->uuid,
                'name' => $project->name,
                'counts' => [
                    'applications' => $project->applications_count,
                    'services' => $project->services_count,
                    'databases' => $project->postgresqls_count
                        + $project->redis_count
                        + $project->mongodbs_count
                        + $project->mysqls_count
                        + $project->mariadbs_count
                        + $project->keydbs_count
                        + $project->dragonflies_count
                        + $project->clickhouses_count,
                ],
            ])->values()->all();

        return Response::text(json_encode([
            'coolify_version' => config('constants.coolify.version'),
            'servers' => $servers,
            'projects' => $projects,
            'counts' => [
                'servers' => count($servers),
                'projects' => count($projects),
            ],
        ], JSON_PRETTY_PRINT));
    }
}