import { calculateSponsoringSplit, PLATFORM_COMMISSIONS } from './platformCommissions'
import { PLATFORM_BITCOIN_ADDRESS } from './platformConfig'
import type { SponsoringPaymentRequest, SponsoringPaymentResult } from './sponsoringPaymentTypes'

export function validateSponsoringAmount(amount: number): { valid: boolean; error?: string } {
  if (amount !== PLATFORM_COMMISSIONS.sponsoring.total) {
    return {
      valid: false,
      error: `Invalid sponsoring amount: ${amount} BTC. Expected ${PLATFORM_COMMISSIONS.sponsoring.total} BTC`,
    }
  }
  return { valid: true }
}

export function buildErrorResult(error: string, request: SponsoringPaymentRequest): SponsoringPaymentResult {
  return {
    success: false,
    error,
    split: calculateSponsoringSplit(),
    platformAddress: PLATFORM_BITCOIN_ADDRESS,
    authorAddress: request.authorMainnetAddress,
  }
}

export function isValidBitcoinAddress(address: string): boolean {
  // Basic validation: starts with 1, 3, or bc1
  const bitcoinAddressRegex = /^(1|3|bc1)[a-zA-Z0-9]{25,62}$/
  return bitcoinAddressRegex.test(address)
}