import { NextResponse } from "next/server"
import { z } from "zod"
import { formatPrice } from "@/lib/calculations"
import type { CalculationDetails } from "@/lib/calculations"

const quoteRequestSchema = z.object({
  customerInfo: z.object({
    name: z.string(),
    email: z.string().email(),
    phone: z.string(),
    postalCode: z.string(),
    address: z.string().optional(),
    remarks: z.string().optional(),
  }),
  calculationDetails: z.object({
    area: z.number(),
    height: z.number(),
    postalCode: z.string(),
    distance: z.number(),
    totalInclVat: z.number(),
    // We'll validate other fields exist but not their exact shape
  }) as z.ZodType<CalculationDetails>,
})

export async function POST(request: Request) {
  try {
    const body = await request.json()
    const { customerInfo, calculationDetails } = quoteRequestSchema.parse(body)

    // Format email content
    const emailContent = formatEmailContent(customerInfo, calculationDetails)
    
    // In production, you would send this via an email service
    // For now, we'll just log it and return success
    console.log("Quote request email:", emailContent)
    
    // TODO: Implement actual email sending using a service like:
    // - SendGrid
    // - AWS SES
    // - Resend
    // - Nodemailer with SMTP
    
    return NextResponse.json({
      success: true,
      message: "Tilbudsanmodning modtaget. Vi kontakter dig snarest muligt.",
    })
  } catch (error) {
    console.error("Quote request error:", error)
    
    if (error instanceof z.ZodError) {
      return NextResponse.json(
        { error: "Ugyldige data", details: error.errors },
        { status: 400 }
      )
    }
    
    return NextResponse.json(
      { error: "Der opstod en fejl. Prøv igen senere." },
      { status: 500 }
    )
  }
}

function formatEmailContent(
  customerInfo: z.infer<typeof quoteRequestSchema>["customerInfo"],
  details: CalculationDetails
): string {
  return `
Ny tilbudsanmodning fra Foam King Gulve Prisberegner

KUNDEOPLYSNINGER:
-----------------
Navn: ${customerInfo.name}
Email: ${customerInfo.email}
Telefon: ${customerInfo.phone}
Postnummer: ${customerInfo.postalCode}
Adresse: ${customerInfo.address || "Ikke angivet"}

PROJEKTDETALJER:
----------------
Gulvareal: ${details.area} m²
Gulvhøjde: ${details.height} cm
Isoleringstykkelse: ${details.insulationThickness} cm
Isoleringsvolumen: ${details.insulationVolume.toFixed(2)} m³
Spartelvægt: ${details.compoundWeight.toLocaleString("da-DK")} kg

PRISBEREGNING:
--------------
Isolering: ${formatPrice(details.insulation)}
Gulvvarme: ${formatPrice(details.floorHeating)}
Syntetisk net: ${formatPrice(details.syntheticNet)}
Flydespartel: ${formatPrice(details.selfLevelingCompound)}
Pumpebil-tillæg: ${formatPrice(details.pumpTruckFee)}
Startgebyr: ${formatPrice(details.startFee)}

Subtotal: ${formatPrice(details.subtotal)}
Tillæg (afdækning + affald): ${formatPrice(details.totalFees)}
Transport: ${formatPrice(details.transport)}
${details.bridgeFee > 0 ? `Storebælt-tillæg: ${formatPrice(details.bridgeFee)}` : ""}

Total ekskl. moms: ${formatPrice(details.totalExclVat)}
Moms (25%): ${formatPrice(details.vat)}
TOTAL INKL. MOMS: ${formatPrice(details.totalInclVat)}

BEMÆRKNINGER:
-------------
${customerInfo.remarks || "Ingen bemærkninger"}

AFSTAND:
--------
Kørselsafstand (tur-retur): ${details.distance} km

---
Sendt fra beregner.foamking.dk
`.trim()
}