<?php

namespace App\Http\Controllers\Api\Tenant;

use App\Http\Controllers\Controller;
use App\Models\Event;
use App\Models\Photo;
use App\Models\Tenant;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Arr;
use Illuminate\Support\Carbon;

class DashboardController extends Controller
{
    public function __invoke(Request $request): JsonResponse
    {
        $tenant = $request->attributes->get('tenant');

        if (! $tenant instanceof Tenant) {
            $decoded = $request->attributes->get('decoded_token', []);
            $tenantId = Arr::get($decoded, 'tenant_id');

            if ($tenantId) {
                $tenant = Tenant::query()->find($tenantId);
            }
        }

        if (! $tenant instanceof Tenant) {
            return response()->json([
                'message' => 'Tenant context missing.',
            ], 401);
        }

        $eventsQuery = Event::query()
            ->where('tenant_id', $tenant->getKey());

        $activeEvents = (clone $eventsQuery)
            ->where(fn ($query) => $query
                ->where('is_active', true)
                ->orWhere('status', 'published'))
            ->count();

        $upcomingEvents = (clone $eventsQuery)
            ->whereDate('date', '>=', Carbon::now()->startOfDay())
            ->count();

        $eventsWithTasks = (clone $eventsQuery)
            ->whereHas('tasks')
            ->count();

        $totalEvents = (clone $eventsQuery)->count();

        $taskProgress = $totalEvents > 0
            ? (int) round(($eventsWithTasks / $totalEvents) * 100)
            : 0;

        $newPhotos = Photo::query()
            ->whereHas('event', fn ($query) => $query->where('tenant_id', $tenant->getKey()))
            ->where('created_at', '>=', Carbon::now()->subDays(7))
            ->count();

        $activePackage = $tenant->tenantPackages()
            ->with('package')
            ->where('active', true)
            ->orderByDesc('expires_at')
            ->orderByDesc('purchased_at')
            ->first();

        return response()->json([
            'active_events' => $activeEvents,
            'new_photos' => $newPhotos,
            'task_progress' => $taskProgress,
            'credit_balance' => $tenant->event_credits_balance ?? null,
            'upcoming_events' => $upcomingEvents,
            'active_package' => $activePackage ? [
                'name' => $activePackage->package?->getNameForLocale(app()->getLocale()) ?? $activePackage->package?->name ?? '',
                'expires_at' => optional($activePackage->expires_at)->toIso8601String(),
                'remaining_events' => $activePackage->remaining_events ?? null,
            ] : null,
        ]);
    }
}