import { type NextRequest, NextResponse } from "next/server"
import { createServerClient } from "@supabase/ssr"
import { cookies } from "next/headers"

export async function POST(request: NextRequest) {
  try {
    const body = await request.json()
    const { reference, status, demo_mode } = body

    console.log("[v0] Payment callback received:", { reference, status, demo_mode })

    if (status !== "success") {
      return NextResponse.json(
        {
          success: false,
          message: "Payment was not successful",
        },
        { status: 400 },
      )
    }

    // Create Supabase client
    const cookieStore = cookies()
    const supabase = createServerClient(process.env.NEXT_PUBLIC_SUPABASE_URL!, process.env.SUPABASE_SERVICE_ROLE_KEY!, {
      cookies: {
        get(name: string) {
          return cookieStore.get(name)?.value
        },
      },
    })

    const serialNumber = `FU${Date.now().toString().slice(-8)}`
    const pin = Math.random().toString(36).substr(2, 8).toUpperCase()

    // Insert voucher into database
    const { data: voucher, error: voucherError } = await supabase
      .from("vouchers")
      .insert({
        serial_number: serialNumber,
        pin: pin,
        payment_reference: reference,
        is_used: false,
        created_at: new Date().toISOString(),
      })
      .select()
      .single()

    if (voucherError) {
      console.error("[v0] Error creating voucher:", voucherError)
      return NextResponse.json(
        {
          success: false,
          message: "Failed to create voucher",
        },
        { status: 500 },
      )
    }

    console.log("[v0] Voucher created successfully:", { serialNumber, pin })

    return NextResponse.json({
      success: true,
      message: "Payment processed and voucher created successfully",
      voucher: {
        serial_number: serialNumber,
        pin: pin,
      },
    })
  } catch (error) {
    console.error("[v0] Payment callback error:", error)
    return NextResponse.json(
      {
        success: false,
        message: "Internal server error",
      },
      { status: 500 },
    )
  }
}