<?php

namespace App\Console\Commands;

use App\Models\Plan;
use App\Services\PayPalService;
use Illuminate\Console\Command;

class SetupPayPalPlans extends Command
{
    protected $signature = 'paypal:setup-plans';
    protected $description = 'Create products and billing plans in PayPal for all active plans';

    public function handle()
    {
        $this->info('🚀 Starting PayPal Plans Setup...');
        $this->newLine();

        $paypal = new PayPalService();

        // Test authentication first
        $this->info('Testing PayPal authentication...');
        try {
            $token = $paypal->getAccessToken();
            $this->info('✅ PayPal authentication successful!');
            $this->newLine();
        } catch (\Exception $e) {
            $this->error('❌ PayPal authentication failed: ' . $e->getMessage());
            return 1;
        }

        // Get plans that don't have PayPal plan IDs yet
        $plans = Plan::where('is_active', true)
            ->where('is_free', false)
            ->get();

        if ($plans->isEmpty()) {
            $this->warn('No paid plans found in database.');
            return 0;
        }

        $this->info("Found {$plans->count()} paid plan(s) to setup in PayPal:");
        $this->newLine();

        foreach ($plans as $plan) {
            $this->info("📦 Processing: {$plan->name}");

            // Check if already has PayPal plan ID
            if ($plan->paypal_plan_id) {
                $this->warn("   Already has PayPal Plan ID: {$plan->paypal_plan_id}");
                $this->line("   Skipping...");
                $this->newLine();
                continue;
            }

            try {
                // Step 1: Create Product in PayPal
                $this->line("   Creating product in PayPal...");
                $product = $this->createProduct($paypal, $plan);
                $this->info("   ✅ Product created: {$product['id']}");

                // Step 2: Create Billing Plan in PayPal
                $this->line("   Creating billing plan in PayPal...");
                $billingPlan = $this->createBillingPlan($paypal, $plan, $product['id']);
                $this->info("   ✅ Billing Plan created: {$billingPlan['id']}");

                // Step 3: Save PayPal Plan ID to database
                $plan->paypal_plan_id = $billingPlan['id'];
                $plan->save();
                $this->info("   ✅ Saved to database!");

                $this->newLine();

            } catch (\Exception $e) {
                $this->error("   ❌ Error: " . $e->getMessage());
                $this->newLine();
            }
        }

        $this->info('🎉 PayPal Plans Setup completed!');
        $this->newLine();

        // Show summary
        $this->table(
            ['Plan', 'Price', 'Billing', 'PayPal Plan ID'],
            Plan::where('is_free', false)->get()->map(function ($p) {
                return [
                    $p->name,
                    '€' . number_format($p->price, 2),
                    $p->billing_period,
                    $p->paypal_plan_id ?? 'Not set'
                ];
            })
        );

        return 0;
    }

    private function createProduct(PayPalService $paypal, Plan $plan): array
    {
        $baseUrl = config('services.paypal.mode') === 'sandbox' 
            ? 'https://api-m.sandbox.paypal.com' 
            : 'https://api-m.paypal.com';

        $response = \Illuminate\Support\Facades\Http::withToken($paypal->getAccessToken())
            ->post("{$baseUrl}/v1/catalogs/products", [
                'name' => "WEBMoney - {$plan->name}",
                'description' => $plan->description ?? "Subscription plan for WEBMoney",
                'type' => 'SERVICE',
                'category' => 'SOFTWARE',
                'home_url' => config('app.url'),
            ]);

        if (!$response->successful()) {
            throw new \Exception('Failed to create product: ' . $response->body());
        }

        return $response->json();
    }

    private function createBillingPlan(PayPalService $paypal, Plan $plan, string $productId): array
    {
        $baseUrl = config('services.paypal.mode') === 'sandbox' 
            ? 'https://api-m.sandbox.paypal.com' 
            : 'https://api-m.paypal.com';

        $billingCycles = [];

        // Add trial period if plan has trial
        if ($plan->trial_days > 0) {
            $billingCycles[] = [
                'frequency' => [
                    'interval_unit' => 'DAY',
                    'interval_count' => $plan->trial_days,
                ],
                'tenure_type' => 'TRIAL',
                'sequence' => 1,
                'total_cycles' => 1,
                'pricing_scheme' => [
                    'fixed_price' => [
                        'value' => '0',
                        'currency_code' => $plan->currency,
                    ],
                ],
            ];
        }

        // Regular billing cycle
        $billingCycles[] = [
            'frequency' => [
                'interval_unit' => $plan->billing_period === 'annual' ? 'YEAR' : 'MONTH',
                'interval_count' => 1,
            ],
            'tenure_type' => 'REGULAR',
            'sequence' => $plan->trial_days > 0 ? 2 : 1,
            'total_cycles' => 0, // Infinite
            'pricing_scheme' => [
                'fixed_price' => [
                    'value' => number_format($plan->price, 2, '.', ''),
                    'currency_code' => $plan->currency,
                ],
            ],
        ];

        $response = \Illuminate\Support\Facades\Http::withToken($paypal->getAccessToken())
            ->post("{$baseUrl}/v1/billing/plans", [
                'product_id' => $productId,
                'name' => $plan->name,
                'description' => $plan->description ?? "WEBMoney {$plan->name} subscription",
                'status' => 'ACTIVE',
                'billing_cycles' => $billingCycles,
                'payment_preferences' => [
                    'auto_bill_outstanding' => true,
                    'setup_fee_failure_action' => 'CONTINUE',
                    'payment_failure_threshold' => 3,
                ],
            ]);

        if (!$response->successful()) {
            throw new \Exception('Failed to create billing plan: ' . $response->body());
        }

        return $response->json();
    }
}