/**
 * E-Invoice Generated Email Template
 * Sent when e-invoice is generated via DMS (Step 6)
 */

import { EInvoiceGeneratedData } from './types';
import { getEmailFooter, getEmailHeader, HeaderStyles, getResponsiveStyles, wrapRichText, getEmailContainerStyles } from './helpers';
import { getBrandedHeader } from './branding.config';

export function getEInvoiceGeneratedEmail(data: EInvoiceGeneratedData): string {
  return `
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="format-detection" content="telephone=no">
    <title>E-Invoice Generated</title>
    ${getResponsiveStyles()}
</head>
<body style="margin: 0; padding: 0; font-family: Arial, Helvetica, sans-serif; background-color: #f4f4f4;">
    <table role="presentation" style="width: 100%; border-collapse: collapse; background-color: #f4f4f4;" cellpadding="0" cellspacing="0">
        <tr>
            <td style="padding: 40px 0;">
                <table role="presentation" class="email-container" style="${getEmailContainerStyles()}" cellpadding="0" cellspacing="0">
                    <!-- Header -->
                    ${getEmailHeader(getBrandedHeader({
                      title: 'E-Invoice Generated',
                      ...HeaderStyles.success
                    }))}
                    
                    <!-- Content -->
                    <tr>
                        <td class="email-content" style="padding: 40px 30px;">
                            <p style="margin: 0 0 20px; color: #333333; font-size: 16px; line-height: 1.6;">
                                Dear <strong style="color: #667eea;">${data.recipientName}</strong>,
                            </p>
                            
                            <p style="margin: 0 0 30px; color: #666666; font-size: 16px; line-height: 1.6;">
                                An e-invoice has been successfully generated for request <strong>${data.requestId}</strong> via DMS integration.
                            </p>
                            
                            <!-- Invoice Details Box -->
                            <table role="presentation" style="width: 100%; border-collapse: collapse; background-color: #f8f9fa; border-radius: 6px; margin-bottom: 30px;" cellpadding="0" cellspacing="0">
                                <tr>
                                    <td style="padding: 25px;">
                                        <h2 style="margin: 0 0 20px; color: #333333; font-size: 18px; font-weight: 600;">Invoice Details</h2>
                                        
                                        <table role="presentation" style="width: 100%; border-collapse: collapse;" cellpadding="0" cellspacing="0">
                                            <tr>
                                                <td style="padding: 8px 0; color: #666666; font-size: 14px; width: 140px;">
                                                    <strong>Request ID:</strong>
                                                </td>
                                                <td style="padding: 8px 0; color: #333333; font-size: 14px;">
                                                    ${data.requestId}
                                                </td>
                                            </tr>
                                            ${data.requestTitle ? `
                                            <tr>
                                                <td style="padding: 8px 0; color: #666666; font-size: 14px;">
                                                    <strong>Title:</strong>
                                                </td>
                                                <td style="padding: 8px 0; color: #333333; font-size: 14px;">
                                                    ${data.requestTitle}
                                                </td>
                                            </tr>
                                            ` : ''}
                                            <tr>
                                                <td style="padding: 8px 0; color: #666666; font-size: 14px;">
                                                    <strong>E-Invoice Number:</strong>
                                                </td>
                                                <td style="padding: 8px 0; color: #333333; font-size: 14px; font-weight: 600;">
                                                    ${data.invoiceNumber}
                                                </td>
                                            </tr>
                                            <tr>
                                                <td style="padding: 8px 0; color: #666666; font-size: 14px;">
                                                    <strong>Invoice Date:</strong>
                                                </td>
                                                <td style="padding: 8px 0; color: #333333; font-size: 14px;">
                                                    ${data.invoiceDate}
                                                </td>
                                            </tr>
                                            ${data.dmsNumber ? `
                                            <tr>
                                                <td style="padding: 8px 0; color: #666666; font-size: 14px;">
                                                    <strong>DMS Number:</strong>
                                                </td>
                                                <td style="padding: 8px 0; color: #333333; font-size: 14px;">
                                                    ${data.dmsNumber}
                                                </td>
                                            </tr>
                                            ` : ''}
                                            <tr>
                                                <td style="padding: 8px 0; color: #666666; font-size: 14px;">
                                                    <strong>Invoice Amount:</strong>
                                                </td>
                                                <td style="padding: 8px 0; color: #333333; font-size: 14px; font-weight: 600;">
                                                    ₹${data.invoiceAmount.toLocaleString('en-IN', { minimumFractionDigits: 2, maximumFractionDigits: 2 })}
                                                </td>
                                            </tr>
                                            <tr>
                                                <td style="padding: 8px 0; color: #666666; font-size: 14px;">
                                                    <strong>Activity Name:</strong>
                                                </td>
                                                <td style="padding: 8px 0; color: #333333; font-size: 14px;">
                                                    ${data.activityName}
                                                </td>
                                            </tr>
                                            <tr>
                                                <td style="padding: 8px 0; color: #666666; font-size: 14px;">
                                                    <strong>Dealer:</strong>
                                                </td>
                                                <td style="padding: 8px 0; color: #333333; font-size: 14px;">
                                                    ${data.dealerName} ${data.dealerCode ? `(${data.dealerCode})` : ''}
                                                </td>
                                            </tr>
                                            ${data.ioNumber ? `
                                            <tr>
                                                <td style="padding: 8px 0; color: #666666; font-size: 14px;">
                                                    <strong>IO Number:</strong>
                                                </td>
                                                <td style="padding: 8px 0; color: #333333; font-size: 14px;">
                                                    ${data.ioNumber}
                                                </td>
                                            </tr>
                                            ` : ''}
                                            <tr>
                                                <td style="padding: 8px 0; color: #666666; font-size: 14px;">
                                                    <strong>Generated On:</strong>
                                                </td>
                                                <td style="padding: 8px 0; color: #333333; font-size: 14px;">
                                                    ${data.generatedDate} at ${data.generatedTime}
                                                </td>
                                            </tr>
                                        </table>
                                    </td>
                                </tr>
                            </table>
                            
                            ${data.downloadLink ? `
                            <!-- Download Section -->
                            <div style="padding: 20px; background-color: #e7f3ff; border-left: 4px solid #0066cc; border-radius: 4px; margin-bottom: 30px;">
                                <h3 style="margin: 0 0 10px; color: #004085; font-size: 16px; font-weight: 600;">Download Invoice</h3>
                                <p style="margin: 0 0 15px; color: #004085; font-size: 14px; line-height: 1.8;">
                                    You can download the e-invoice using the link below.
                                </p>
                                <table role="presentation" style="width: 100%; border-collapse: collapse;" cellpadding="0" cellspacing="0">
                                    <tr>
                                        <td style="text-align: center;">
                                            <a href="${data.downloadLink}" class="cta-button" style="display: inline-block; padding: 12px 30px; background-color: #0066cc; color: #ffffff; text-decoration: none; text-align: center; border-radius: 6px; font-size: 14px; font-weight: 600;">
                                                Download E-Invoice
                                            </a>
                                        </td>
                                    </tr>
                                </table>
                            </div>
                            ` : ''}
                            
                            <!-- View Details Button -->
                            <table role="presentation" style="width: 100%; border-collapse: collapse; margin-bottom: 20px;" cellpadding="0" cellspacing="0">
                                <tr>
                                    <td style="text-align: center;">
                                        <a href="${data.viewDetailsLink}" class="cta-button" style="display: inline-block; padding: 15px 40px; background-color: #1a1a1a; color: #ffffff; text-decoration: none; text-align: center; border-radius: 6px; font-size: 16px; font-weight: 600; box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2); min-width: 200px;">
                                            View Request Details
                                        </a>
                                    </td>
                                </tr>
                            </table>
                            
                            <p style="margin: 0; color: #666666; font-size: 14px; line-height: 1.6; text-align: center;">
                                The e-invoice has been generated and is ready for processing.
                            </p>
                        </td>
                    </tr>
                    
                    ${getEmailFooter(data.companyName)}
                </table>
            </td>
        </tr>
    </table>
</body>
</html>
  `;
}

