import { businessConfig } from "@/lib/seo-config"

export const SMS_CONSENT_VERSION = "sms-consent-v1-2026-03-26"

export type SmsConsentFields = {
  serviceTextConsent: boolean
  marketingTextConsent: boolean
  consentVersion: string
  consentCapturedAt: string
  consentSourcePage: string
}

export function normalizeConsentSourcePage(value: string | undefined | null) {
  const trimmed = String(value || "").trim()
  if (!trimmed) {
    return "/"
  }

  return trimmed.startsWith("/") ? trimmed : `/${trimmed}`
}

export function createSmsConsentPayload(input: {
  consentCapturedAt?: string | null
  consentSourcePage?: string | null
  consentVersion?: string | null
  marketingTextConsent?: boolean | null
  serviceTextConsent?: boolean | null
}): SmsConsentFields {
  return {
    serviceTextConsent: Boolean(input.serviceTextConsent),
    marketingTextConsent: Boolean(input.marketingTextConsent),
    consentVersion:
      String(input.consentVersion || SMS_CONSENT_VERSION).trim() ||
      SMS_CONSENT_VERSION,
    consentCapturedAt:
      typeof input.consentCapturedAt === "string" &&
      input.consentCapturedAt.trim()
        ? input.consentCapturedAt
        : new Date().toISOString(),
    consentSourcePage: normalizeConsentSourcePage(input.consentSourcePage),
  }
}

export function isValidConsentTimestamp(value: string | undefined | null) {
  if (!value) {
    return false
  }

  return !Number.isNaN(Date.parse(value))
}

export const SERVICE_SMS_DISCLOSURE = `${businessConfig.legalName} may send conversational SMS about your inquiry, scheduling, support, repairs, moving, and follow-up. Message frequency varies. Message and data rates may apply. Reply STOP to opt out and HELP for help. Consent is not a condition of purchase.`

export const MARKETING_SMS_DISCLOSURE = `${businessConfig.legalName} may send promotional and marketing SMS. Message frequency varies. Message and data rates may apply. Reply STOP to opt out and HELP for help. Consent is not a condition of purchase.`