import type {
  ManagedDomainItem,
  ManagedDomainMutationPayload,
} from '@/features/managed-domains/types';
import type {
  TlsCertificateFileImportPayload,
  TlsCertificateItem,
  TlsCertificateMutationPayload,
} from '@/features/tls-certificates/types';

import type {
  FileImportFormValues,
  ManagedDomainFormValues,
  ManualImportFormValues,
} from '@/features/websites/schemas';
import { formatDateTime } from '@/lib/utils/date';

export function getErrorMessage(error: unknown) {
  return error instanceof Error ? error.message : '请求失败，请稍后重试。';
}

export function getMatchTypeMeta(domain: string) {
  return domain.startsWith('*.')
    ? { label: '通配符', variant: 'warning' as const }
    : { label: '精确匹配', variant: 'info' as const };
}

export function getCertificateStatus(certificate: TlsCertificateItem) {
  const expiresAt = new Date(certificate.not_after).getTime();
  const diffMs = expiresAt - Date.now();
  const days = Math.ceil(diffMs / (1000 * 60 * 60 * 24));

  if (Number.isNaN(expiresAt)) {
    return { label: '有效期未知', variant: 'warning' as const };
  }

  if (days < 0) {
    return { label: '已过期', variant: 'danger' as const };
  }

  if (days <= 30) {
    return { label: `${days} 天内到期`, variant: 'warning' as const };
  }

  return { label: '有效', variant: 'success' as const };
}

export function buildCertificateLabel(certificate: TlsCertificateItem) {
  return certificate.not_after
    ? `${certificate.name}（到期：${formatDateTime(certificate.not_after)}）`
    : certificate.name;
}

export function toManagedDomainPayload(
  values: ManagedDomainFormValues,
): ManagedDomainMutationPayload {
  return {
    domain: values.domain.trim().toLowerCase(),
    cert_id: values.cert_id ? Number(values.cert_id) : null,
    enabled: values.enabled,
    remark: values.remark.trim(),
  };
}

export function toManagedDomainFormValues(
  domain: ManagedDomainItem,
): ManagedDomainFormValues {
  return {
    domain: domain.domain,
    cert_id: domain.cert_id ? String(domain.cert_id) : '',
    enabled: domain.enabled,
    remark: domain.remark || '',
  };
}

export function toManualPayload(
  values: ManualImportFormValues,
): TlsCertificateMutationPayload {
  return {
    name: values.name.trim(),
    cert_pem: values.cert_pem.trim(),
    key_pem: values.key_pem.trim(),
    remark: values.remark.trim(),
  };
}

export function toFilePayload(
  values: FileImportFormValues,
  certFile: File | null,
  keyFile: File | null,
): TlsCertificateFileImportPayload {
  if (!certFile || !keyFile) {
    throw new Error('请选择证书文件和私钥文件。');
  }

  return {
    name: values.name.trim(),
    remark: values.remark.trim(),
    certFile,
    keyFile,
  };
}

export function isRouteRelatedToManagedDomain(
  managedDomain: string,
  routeDomain: string,
) {
  if (managedDomain === routeDomain) {
    return true;
  }

  if (!managedDomain.startsWith('*.')) {
    return false;
  }

  const suffix = managedDomain.slice(2);
  return routeDomain.endsWith(`.${suffix}`);
}