<?php

namespace App\Http\Controllers\Api\Tenant;

use App\Http\Controllers\Controller;
use App\Http\Requests\Tenant\EventAddonCheckoutRequest;
use App\Http\Requests\Tenant\EventAddonPurchaseLookupRequest;
use App\Models\Event;
use App\Models\EventPackageAddon;
use App\Services\Addons\EventAddonCheckoutService;
use App\Support\ApiError;
use Illuminate\Http\JsonResponse;
use Illuminate\Support\Arr;

class EventAddonController extends Controller
{
    public function __construct(private readonly EventAddonCheckoutService $checkoutService) {}

    public function checkout(EventAddonCheckoutRequest $request, Event $event): JsonResponse
    {
        $tenantId = $request->attributes->get('tenant_id');

        if ($event->tenant_id !== $tenantId) {
            return ApiError::response(
                'event_not_found',
                'Event not accessible',
                __('Das Event konnte nicht gefunden werden.'),
                404,
                ['event_slug' => $event->slug ?? null]
            );
        }

        $eventPackage = $event->eventPackage ?: $event->eventPackages()
            ->orderByDesc('purchased_at')
            ->orderByDesc('created_at')
            ->first();

        if ($eventPackage) {
            $event->setRelation('eventPackage', $eventPackage);
        }

        $checkout = $this->checkoutService->createCheckout(
            $request->attributes->get('tenant'),
            $event,
            $request->validated(),
        );

        return response()->json([
            'checkout_url' => $checkout['checkout_url'] ?? null,
            'checkout_id' => $checkout['id'] ?? null,
            'expires_at' => $checkout['expires_at'] ?? null,
        ]);
    }

    public function purchase(EventAddonPurchaseLookupRequest $request, Event $event): JsonResponse
    {
        $tenantId = $request->attributes->get('tenant_id');

        if ($event->tenant_id !== $tenantId) {
            return ApiError::response(
                'event_not_found',
                'Event not accessible',
                __('Das Event konnte nicht gefunden werden.'),
                404,
                ['event_slug' => $event->slug ?? null]
            );
        }

        $validated = $request->validated();
        $addonIntent = trim((string) ($validated['addon_intent'] ?? ''));
        $checkoutId = trim((string) ($validated['checkout_id'] ?? ''));
        $addonKey = trim((string) ($validated['addon_key'] ?? ''));

        $baseQuery = EventPackageAddon::query()
            ->where('tenant_id', $tenantId)
            ->where('event_id', $event->id)
            ->with(['event:id,name,slug']);

        $addon = null;

        if ($addonIntent !== '') {
            $addon = (clone $baseQuery)
                ->where('metadata->addon_intent', $addonIntent)
                ->orderByDesc('created_at')
                ->first();
        }

        if (! $addon && $checkoutId !== '') {
            $addon = (clone $baseQuery)
                ->where('checkout_id', $checkoutId)
                ->orderByDesc('created_at')
                ->first();
        }

        if (! $addon && $addonKey !== '') {
            $addon = (clone $baseQuery)
                ->where('addon_key', $addonKey)
                ->orderByRaw("case status when 'completed' then 0 when 'pending' then 1 else 2 end")
                ->orderByDesc('purchased_at')
                ->orderByDesc('created_at')
                ->first();
        }

        if (! $addon) {
            $addon = (clone $baseQuery)
                ->orderByRaw("case status when 'completed' then 0 when 'pending' then 1 else 2 end")
                ->orderByDesc('purchased_at')
                ->orderByDesc('created_at')
                ->first();
        }

        if (! $addon) {
            return ApiError::response(
                'addon_not_found',
                'Add-on purchase not found',
                __('Der Add-on Kauf wurde nicht gefunden.'),
                404,
                ['event_slug' => $event->slug ?? null]
            );
        }

        $label = Arr::get($addon->metadata ?? [], 'label') ?? $addon->addon_key;

        return response()->json([
            'data' => [
                'id' => $addon->id,
                'addon_key' => $addon->addon_key,
                'label' => $label,
                'quantity' => (int) ($addon->quantity ?? 1),
                'status' => $addon->status,
                'amount' => $addon->amount !== null ? (float) $addon->amount : null,
                'currency' => $addon->currency,
                'extra_photos' => (int) $addon->extra_photos,
                'extra_guests' => (int) $addon->extra_guests,
                'extra_gallery_days' => (int) $addon->extra_gallery_days,
                'purchased_at' => $addon->purchased_at?->toIso8601String(),
                'receipt_url' => Arr::get($addon->receipt_payload, 'receipt_url'),
                'checkout_id' => $addon->checkout_id,
                'transaction_id' => $addon->transaction_id,
                'created_at' => $addon->created_at?->toIso8601String(),
                'addon_intent' => Arr::get($addon->metadata ?? [], 'addon_intent'),
                'event' => $addon->event ? [
                    'id' => $addon->event->id,
                    'slug' => $addon->event->slug,
                    'name' => $addon->event->name,
                ] : null,
            ],
        ]);
    }
}