Add Mailgun admin tools and contact API

app/api/contact/route.ts

@@ -0,0 +1,77 @@
+import { NextRequest, NextResponse } from 'next/server'
+import { mailgunService } from '@/lib/mailgun'
+import { z } from 'zod'
+
+export const runtime = 'nodejs'
+
+const contactSchema = z.object({
+  name: z.string().min(1, 'Name is required').max(100),
+  email: z.string().email('Invalid email address'),
+  subject: z.string().min(1, 'Subject is required').max(200),
+  message: z.string().min(10, 'Message must be at least 10 characters').max(5000)
+})
+
+export async function POST(request: NextRequest) {
+  try {
+    const body = await request.json()
+
+    // Validate input
+    const validationResult = contactSchema.safeParse(body)
+    if (!validationResult.success) {
+      return NextResponse.json({
+        success: false,
+        error: 'Invalid form data',
+        details: validationResult.error.errors
+      }, { status: 400 })
+    }
+
+    const { name, email, subject, message } = validationResult.data
+
+    // Basic spam prevention - check for common spam indicators
+    const spamIndicators = [
+      message.includes('http://'),
+      message.includes('https://'),
+      message.includes('www.'),
+      message.includes('bitcoin'),
+      message.includes('cryptocurrency'),
+      message.length < 10,
+      name.length < 2
+    ]
+
+    const spamScore = spamIndicators.filter(Boolean).length
+    if (spamScore >= 2) {
+      return NextResponse.json({
+        success: false,
+        error: 'Message flagged as potential spam'
+      }, { status: 400 })
+    }
+
+    // Send email using Mailgun
+    const emailResult = await mailgunService.sendContactForm({
+      name,
+      email,
+      subject,
+      message
+    })
+
+    if (emailResult.success) {
+      return NextResponse.json({
+        success: true,
+        message: 'Your message has been sent successfully!'
+      })
+    } else {
+      console.error('Contact form email failed:', emailResult.error)
+      return NextResponse.json({
+        success: false,
+        error: 'Failed to send message. Please try again later.'
+      }, { status: 500 })
+    }
+
+  } catch (error) {
+    console.error('Contact form error:', error)
+    return NextResponse.json({
+      success: false,
+      error: 'Internal server error'
+    }, { status: 500 })
+  }
+}