import type {
  ManagedDomainItem,
  ManagedDomainMutationPayload,
  ProxyRouteItem,
  TlsCertificateFileImportPayload,
  TlsCertificateItem,
  TlsCertificateMutationPayload,
} from '@/lib/services/openflare';
import {formatDateTime} from '@/lib/utils';

import type {FileImportFormValues, ManagedDomainFormValues, ManualImportFormValues,} from './schemas';

export type StatusTone = 'success' | 'warning' | 'danger' | 'info';

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): {label: string; tone: StatusTone} {
  return domain.startsWith('*.')
    ? {label: '通配符', tone: 'warning'}
    : {label: '精确匹配', tone: 'info'};
}

export function getCertificateStatus(certificate: TlsCertificateItem): {
  label: string;
  tone: StatusTone;
} {
  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', tone: 'warning'};
  }

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

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

  return {label: '有效', tone: 'success'};
}

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,
  route: ProxyRouteItem,
) {
  const domains = route.domains.length > 0 ? route.domains : [route.primary_domain];
  return domains.some((routeDomain) => {
    if (managedDomain === routeDomain) {
      return true;
    }
    if (!managedDomain.startsWith('*.')) {
      return false;
    }
    const suffix = managedDomain.slice(2);
    return routeDomain.endsWith(`.${suffix}`);
  });
}