#!/usr/bin/env node

/**
 * Verify Stripe Customer Portal Configuration
 * 
 * This script checks if the Customer Portal is configured correctly
 * and provides guidance on what needs to be set up.
 * 
 * Usage:
 *   node scripts/verify-stripe-portal.js
 * 
 * Environment:
 *   STRIPE_SECRET_KEY - Your Stripe secret key (test or live)
 */

require('dotenv').config();
const stripe = require('stripe')(process.env.STRIPE_SECRET_KEY);

async function verifyPortalConfiguration() {
  console.log('\n🔍 Verifying Stripe Customer Portal Configuration\n');
  console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n');

  try {
    // Determine if we're in test or live mode
    const mode = process.env.STRIPE_SECRET_KEY.startsWith('sk_test_') ? 'TEST' : 'LIVE';
    console.log(`📋 Mode: ${mode}\n`);

    // Check for portal configurations
    const configurations = await stripe.billingPortal.configurations.list({ limit: 10 });

    if (configurations.data.length === 0) {
      console.log('❌ No Customer Portal configurations found\n');
      console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n');
      console.log('⚠️  YOU NEED TO CONFIGURE THE CUSTOMER PORTAL\n');
      printConfigurationSteps(mode);
      return;
    }

    // Show existing configurations
    console.log(`✅ Found ${configurations.data.length} portal configuration(s)\n`);

    configurations.data.forEach((config, index) => {
      console.log(`\n📦 Configuration #${index + 1}:`);
      console.log(`   ID: ${config.id}`);
      console.log(`   Active: ${config.active ? 'Yes ✅' : 'No ❌'}`);
      console.log(`   Default: ${config.is_default ? 'Yes ✅' : 'No ❌'}`);
      console.log(`   Created: ${new Date(config.created * 1000).toLocaleString()}`);

      // Features
      console.log('\n   📋 Enabled Features:');
      
      // Customer update
      if (config.features.customer_update) {
        const emailEnabled = config.features.customer_update.allowed_updates.includes('email');
        console.log(`      • Email editing: ${emailEnabled ? '✅ Enabled' : '❌ Disabled'}`);
      }

      // Payment method update
      if (config.features.payment_method_update) {
        console.log(`      • Payment method update: ✅ Enabled`);
      } else {
        console.log(`      • Payment method update: ❌ Disabled`);
      }

      // Subscription cancellation
      if (config.features.subscription_cancel) {
        console.log(`      • Subscription cancellation: ✅ Enabled`);
        console.log(`         Mode: ${config.features.subscription_cancel.mode || 'Not set'}`);
        
        // Check for cancellation survey
        if (config.features.subscription_cancel.cancellation_reason) {
          console.log(`         Cancellation survey: ✅ Enabled`);
          console.log(`         Survey enabled: ${config.features.subscription_cancel.cancellation_reason.enabled ? 'Yes ✅' : 'No ❌'}`);
          
          if (config.features.subscription_cancel.cancellation_reason.options) {
            console.log(`         Survey options: ${config.features.subscription_cancel.cancellation_reason.options.length} options`);
          }
        } else {
          console.log(`         Cancellation survey: ❌ Not configured`);
        }
      } else {
        console.log(`      • Subscription cancellation: ❌ Disabled`);
      }

      // Invoice history
      if (config.features.invoice_history) {
        console.log(`      • Invoice history: ✅ Enabled`);
      } else {
        console.log(`      • Invoice history: ❌ Disabled`);
      }

      // Business profile
      console.log('\n   🏢 Business Information:');
      if (config.business_profile) {
        console.log(`      • Headline: ${config.business_profile.headline || 'Not set'}`);
        console.log(`      • Privacy policy URL: ${config.business_profile.privacy_policy_url || 'Not set'}`);
        console.log(`      • Terms of service URL: ${config.business_profile.terms_of_service_url || 'Not set'}`);
      } else {
        console.log(`      • Not configured`);
      }
    });

    console.log('\n━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n');

    // Verify against requirements
    const defaultConfig = configurations.data.find(c => c.is_default) || configurations.data[0];

    console.log('✅ VERIFICATION CHECKLIST:\n');

    const checks = [];

    // Check 1: Email editing
    const emailEnabled = defaultConfig.features.customer_update?.allowed_updates?.includes('email');
    checks.push({
      name: 'Email editing enabled',
      status: emailEnabled,
      required: true
    });

    // Check 2: Payment method update
    const paymentMethodEnabled = defaultConfig.features.payment_method_update?.enabled !== false;
    checks.push({
      name: 'Payment method update enabled',
      status: paymentMethodEnabled,
      required: true
    });

    // Check 3: Subscription cancellation
    const cancelEnabled = defaultConfig.features.subscription_cancel?.enabled !== false;
    checks.push({
      name: 'Subscription cancellation enabled',
      status: cancelEnabled,
      required: true
    });

    // Check 4: Cancellation survey
    const surveyEnabled = defaultConfig.features.subscription_cancel?.cancellation_reason?.enabled === true;
    checks.push({
      name: 'Exit survey configured',
      status: surveyEnabled,
      required: true
    });

    // Check 5: Invoice history
    const invoiceEnabled = defaultConfig.features.invoice_history?.enabled !== false;
    checks.push({
      name: 'Invoice history enabled',
      status: invoiceEnabled,
      required: true
    });

    // Print checklist
    checks.forEach(check => {
      const icon = check.status ? '✅' : '❌';
      const required = check.required ? '(REQUIRED)' : '(optional)';
      console.log(`   ${icon} ${check.name} ${required}`);
    });

    const allPassed = checks.filter(c => c.required).every(c => c.status);

    console.log('\n━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n');

    if (allPassed) {
      console.log('🎉 PORTAL CONFIGURATION COMPLETE!\n');
      console.log('   All required features are enabled.');
      console.log('   You can now use the Customer Portal.\n');
    } else {
      console.log('⚠️  PORTAL CONFIGURATION INCOMPLETE\n');
      console.log('   Some required features are not enabled.');
      printConfigurationSteps(mode);
    }

  } catch (error) {
    console.error('❌ Error verifying portal configuration:', error.message);

    if (error.type === 'StripeAuthenticationError') {
      console.error('\n⚠️  Authentication failed. Please check:');
      console.error('   1. STRIPE_SECRET_KEY is set in .env');
      console.error('   2. The key starts with sk_test_ or sk_live_');
      console.error('   3. The key is valid and not expired\n');
    }
  }
}

function printConfigurationSteps(mode) {
  const dashboardUrl = mode === 'TEST' 
    ? 'https://dashboard.stripe.com/test/settings/billing/portal'
    : 'https://dashboard.stripe.com/settings/billing/portal';

  console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n');
  console.log(`📍 CONFIGURE CUSTOMER PORTAL (${mode} MODE)\n`);
  console.log(`Step 1: Open Dashboard`);
  console.log(`   ${dashboardUrl}\n`);
  console.log(`Step 2: Enable Features (click each to enable)`);
  console.log(`   ☐ Customer can edit email`);
  console.log(`   ☐ Customer can update payment methods`);
  console.log(`   ☐ Customer can cancel subscriptions`);
  console.log(`   ☐ Customer can view invoice history\n`);
  console.log(`Step 3: Configure Cancellation Survey`);
  console.log(`   ☐ Enable "Ask why they're cancelling"`);
  console.log(`   ☐ Add question: "Why are you cancelling?"`);
  console.log(`   ☐ Options:`);
  console.log(`      • Too expensive`);
  console.log(`      • No longer need it`);
  console.log(`      • Found alternative`);
  console.log(`      • Other`);
  console.log(`   ☐ Add optional question: "How can we improve?"`);
  console.log(`      Type: Text input (optional)\n`);
  console.log(`Step 4: Business Information`);
  console.log(`   ☐ Business name: Tractatus AI Safety Framework`);
  console.log(`   ☐ Support email: support@agenticgovernance.digital\n`);
  console.log(`Step 5: Save Configuration`);
  console.log(`   ☐ Click "Save" or "Activate"\n`);
  console.log(`Step 6: Verify`);
  console.log(`   ☐ Run this script again to verify:\n`);
  console.log(`      node scripts/verify-stripe-portal.js\n`);
  console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n');
  console.log('📖 Full guide: docs/STRIPE_PORTAL_CONFIGURATION_STEPS.md\n');
}

// Run verification
verifyPortalConfiguration().catch(console.error);