<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Log;
use App\Models\User;

class StripeWebhookController
{
    public function handleWebhook(Request $request)
    {
        $payload = $request->all();

        // Log entire payload for debugging
        Log::info('[Stripe Webhook] Received payload', [
            'type' => $payload['type'] ?? 'unknown',
            'object' => $payload['data']['object'] ?? null,
        ]);

        $object = $payload['data']['object'] ?? [];
        $metadata = $object['metadata'] ?? [];

        // Log raw metadata
        Log::info('[Stripe Webhook] Raw metadata received', $metadata);

        $userId = $metadata['user_id'] ?? null;
        $plan = $metadata['plan'] ?? null;
        $app = $metadata['app'] ?? null;

        // Log extracted metadata values
        Log::info('[Stripe Webhook] Extracted Metadata', [
            'user_id' => $userId,
            'plan' => $plan,
            'app' => $app,
        ]);

        // Only handle relevant event types
        $eventType = $payload['type'] ?? '';
        if (!in_array($eventType, [
            'checkout.session.completed',
            'invoice.payment_succeeded',
            'customer.subscription.created',
            'customer.subscription.updated',
        ])) {
            Log::info('[Stripe Webhook] Ignored event type', ['event_type' => $eventType]);
            return response()->json(['status' => 'ignored']);
        }

        if (!$userId || !$plan) {
            Log::warning('[Stripe Webhook] Missing user_id or plan in metadata');
            return response()->json(['status' => 'ignored']);
        }

        $user = User::find($userId);
        if (!$user) {
            Log::warning('[Stripe Webhook] User not found', ['user_id' => $userId]);
            return response()->json(['status' => 'user not found']);
        }

        // Normalize plan name (remove _m if monthly)
        Log::info('[Stripe Webhook] Normalizing plan', ['original_plan' => $plan]);
        $normalizedPlan = str_ends_with($plan, '_m') ? str_replace('_m', '', $plan) : $plan;
        Log::info('[Stripe Webhook] Normalized plan', ['normalized_plan' => $normalizedPlan]);

        // Always update user_type if valid plan
        if (in_array($normalizedPlan, ['basic', 'gold', 'platinum'])) {
            $user->update([
                'user_type' => $normalizedPlan,
                'access' => null,
                'trial_ends_at' => null,
            ]);
            Log::info('[Stripe Webhook] ✅ User type updated successfully', [
                'user_id' => $user->id,
                'plan' => $normalizedPlan,
            ]);
        } else {
            Log::warning('[Stripe Webhook] ⚠️ Invalid or unrecognized plan type', ['plan' => $normalizedPlan]);
        }

        // Save subscription
        $subscriptionId = $object['subscription'] ?? $object['id'] ?? null;
        $priceId = $object['items']['data'][0]['price']['id']
            ?? ($object['display_items'][0]['price']['id'] ?? null);

        Log::info('[Stripe Webhook] Subscription info', [
            'subscription_id' => $subscriptionId,
            'price_id' => $priceId,
        ]);

        if ($subscriptionId) {
            $user->subscriptions()->updateOrCreate(
                ['stripe_id' => $subscriptionId],
                [
                    'type' => 'default',
                    'stripe_status' => $object['status'] ?? 'active',
                    'stripe_price' => $priceId,
                    'quantity' => 1,
                    'trial_ends_at' => $object['trial_end'] ?? null,
                    'ends_at' => $object['cancel_at'] ?? null,
                ]
            );
            Log::info('[Stripe Webhook] Subscription saved/updated', [
                'user_id' => $user->id,
                'subscription_id' => $subscriptionId,
            ]);
        } else {
            Log::warning('[Stripe Webhook] No subscription ID found in payload', $object);
        }

        return response()->json(['status' => 'ok']);
    }
}