import {z} from 'zod'

export type IntegrationKind = 'Integration';

export type IntegrationType = 'Email' | 'Slack' | 'Teams' | 'Webhook';

export type IntegrationMetadata = {name: IntegrationType};

export type EmailTlsMode = 'StartTls' | 'Tls';

export type Email = {smtpServerUrl: string, enableTls: boolean, ignoreUntrustedCertificate: boolean, senderEmail: string, username: string, password: string, tlsMode?: EmailTlsMode | undefined};

export type Slack = {token: string};

export type IntegrationConfig = Email | Slack;

export type IntegrationSpec = {config?: IntegrationConfig | undefined};

export type IntegrationResourceV3 = {apiVersion: string, kind: IntegrationKind, metadata: IntegrationMetadata, spec: IntegrationSpec};

export type UpdateApiPublicMonitoringV3IntegrationArgs = {dryMode?: boolean | undefined, body: IntegrationResourceV3};

export type UpdateApiPublicMonitoringV3IntegrationOptions = {baseUrl: string, httpAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const integrationKind = z.literal("Integration");

export const integrationType = z.enum(["Email", "Slack", "Teams", "Webhook"]);

export const integrationMetadata = z.object({name: integrationType});

export const emailTlsMode = z.enum(["StartTls", "Tls"]);

export const email = z.object({smtpServerUrl: z.string(), enableTls: z.boolean(), ignoreUntrustedCertificate: z.boolean(), senderEmail: z.string(), username: z.string(), password: z.string(), tlsMode: emailTlsMode.optional()});

export const slack = z.object({token: z.string()});

export const integrationConfig = z.union([email, slack]);

export const integrationSpec = z.object({config: integrationConfig.optional()});

export const integrationResourceV3 = z.object({apiVersion: z.string(), kind: integrationKind, metadata: integrationMetadata, spec: integrationSpec});

export const upsertResult = z.enum(["Created", "Updated", "NotChanged"]);

export const integrationApplyResultV3 = z.object({resource: integrationResourceV3, upsertResult: upsertResult});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Create or update a Integration
 * 
 * PUT /public/monitoring/v3/integration
 */
export const updateApiPublicMonitoringV3Integration = async (args: UpdateApiPublicMonitoringV3IntegrationArgs, options: UpdateApiPublicMonitoringV3IntegrationOptions) => {
const {baseUrl, fetch: fetchFn = fetch, httpAuth} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/json")
headers.set('accept', "application/json")

if (args.dryMode != null) query.append("dryMode", String(args.dryMode))
if (httpAuth !== undefined) headers.set('authorization', `Bearer ${httpAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/public/monitoring/v3/integration${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PUT", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(integrationApplyResultV3, await res.json())
};