import { NextRequest, NextResponse } from 'next/server'
import { cookies } from 'next/headers'
import pool from '@/lib/db'
import { getNowPaymentsConfig } from '@/lib/nowpayments'

// GET /api/payments/check-status?payment_id=xxx - Check payment status manually
export async function GET(request: NextRequest) {
  try {
    // Get buyer_id from session cookie
    const cookieStore = await cookies()
    const buyerIdCookie = cookieStore.get('buyer_id')?.value

    if (!buyerIdCookie) {
      return NextResponse.json(
        { error: 'Authentication required' },
        { status: 401 }
      )
    }

    const buyer_id = parseInt(buyerIdCookie, 10)

    const { searchParams } = new URL(request.url)
    const payment_id = searchParams.get('payment_id')

    if (!payment_id) {
      return NextResponse.json(
        { error: 'payment_id is required' },
        { status: 400 }
      )
    }

    // Check if it's a pending order or completed sale
    const [pendingRows] = await pool.execute(
      'SELECT * FROM pending_orders WHERE payment_id = ? AND buyer_id = ?',
      [payment_id, buyer_id]
    )

    const [salesRows] = await pool.execute(
      'SELECT * FROM sales WHERE payment_id = ? AND buyer_id = ?',
      [payment_id, buyer_id]
    )

    const pendingOrders = pendingRows as any[]
    const sales = salesRows as any[]

    if (pendingOrders.length === 0 && sales.length === 0) {
      return NextResponse.json(
        { error: 'Payment not found' },
        { status: 404 }
      )
    }

    // Get NOWPayments config (testnet or production)
    const nowPaymentsConfig = getNowPaymentsConfig()

    // Check payment status with NOWPayments
    const nowPaymentsResponse = await fetch(
      `${nowPaymentsConfig.baseUrl}/v1/payment/${payment_id}`,
      {
        method: 'GET',
        headers: {
          'x-api-key': nowPaymentsConfig.apiKey,
        },
      }
    )

    if (!nowPaymentsResponse.ok) {
      const error = await nowPaymentsResponse.json()
      return NextResponse.json(
        { error: 'Failed to check payment status', details: error },
        { status: 500 }
      )
    }

    const paymentStatus = await nowPaymentsResponse.json()

    return NextResponse.json({
      payment_id,
      status: paymentStatus.payment_status,
      payment_status: paymentStatus.payment_status,
      pay_amount: paymentStatus.pay_amount,
      pay_currency: paymentStatus.pay_currency,
      price_amount: paymentStatus.price_amount,
      price_currency: paymentStatus.price_currency,
    })
  } catch (error) {
    console.error('Error checking payment status:', error)
    return NextResponse.json(
      { error: 'Failed to check payment status' },
      { status: 500 }
    )
  }
}