import {z} from 'zod'

export type AutoInvestigate = 'off' | 'critical';

export type MentionRule = 'default' | 'here' | 'channel' | 'none' | {subteam: {handle: string, subteam_id: string}};

export type SlackAppFields = {auto_investigate?: (AutoInvestigate | null) | undefined, buttons?: (boolean | null) | undefined, channel_id?: (string | null) | undefined, channel_name?: (string | null) | undefined, installation_id?: (string | null) | undefined, mention?: (MentionRule | null) | undefined, oncall_room_confirmed?: (boolean | null) | undefined, previous_webhook?: (Record<string, never> | null) | undefined, refire_reuse_minutes?: (number | null) | undefined, shared_channel_confirmed?: (boolean | null) | undefined};

export type DestinationType = 'http' | 'email' | 'sns' | 'slack_app';

export type CreateApiApiOrgIdAlertsDestinationsTestArgs = {org_id: string, body: {body?: (string | null) | undefined, headers?: ({[key: string]: string} | null) | undefined, method?: (string | null) | undefined, recipients?: (Array<string> | null) | undefined, skipTlsVerify?: (boolean | null) | undefined, slackApp?: (SlackAppFields | null) | undefined, template?: (string | null) | undefined, type?: DestinationType | undefined, url?: string | undefined}};

export type CreateApiApiOrgIdAlertsDestinationsTestOptions = {baseUrl: string, Authorization?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiApiOrgIdAlertsDestinationsTestResponse = z.object({error: z.string().nullable().optional(), responseBody: z.string().nullable().optional(), statusCode: z.number().int().gte(0).nullable().optional(), success: z.boolean()});

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
};

/**
 * Test alert destination
 * 
 * POST /api/{org_id}/alerts/destinations/test
 */
export const createApiApiOrgIdAlertsDestinationsTest = async (args: CreateApiApiOrgIdAlertsDestinationsTestArgs, options: CreateApiApiOrgIdAlertsDestinationsTestOptions) => {
const {baseUrl, fetch: fetchFn = fetch, Authorization} = options ?? {}

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

if (Authorization !== undefined) headers.set("Authorization", Authorization)

const url = `${baseUrl.replace(/\/+$/, '')}/api/${encodeURIComponent(String(args.org_id))}/alerts/destinations/test${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", 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(createApiApiOrgIdAlertsDestinationsTestResponse, await res.json())
};