import {z} from 'zod'

export type SlackInstallation = {access_token: string, app_id: string, authed_user: {access_token?: string | undefined, expires_in?: number | undefined, id: string, refresh_token?: string | undefined, scope?: string | undefined, token_type?: string | undefined}, bot_user_id?: string | undefined, enterprise?: {id: string, name: string} | undefined, expires_in?: number | undefined, id?: string | undefined, incoming_webhook?: {channel: string, configuration_url: string, url: string} | undefined, is_enterprise_install?: boolean | undefined, refresh_token?: string | undefined, scope?: string | undefined, team: {id: string, name?: string | undefined}, token_type?: string | undefined};

export type UpdateApiIntegrationsSlackInstallationsArgs = {body: SlackInstallation};

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

export const slackInstallation = z.object({access_token: z.string(), app_id: z.string(), authed_user: z.object({access_token: z.string().optional(), expires_in: z.number().int().optional(), id: z.string(), refresh_token: z.string().optional(), scope: z.string().optional(), token_type: z.string().optional()}), bot_user_id: z.string().optional(), enterprise: z.object({id: z.string(), name: z.string()}).optional(), expires_in: z.number().int().optional(), id: z.string().optional(), incoming_webhook: z.object({channel: z.string(), configuration_url: z.string(), url: z.string()}).optional(), is_enterprise_install: z.boolean().optional(), refresh_token: z.string().optional(), scope: z.string().optional(), team: z.object({id: z.string(), name: z.string().optional()}), token_type: z.string().optional()});

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
};

/**
 * Save a Slack installation
 * 
 * PUT /integrations/slack/installations
 */
export const updateApiIntegrationsSlackInstallations = async (args: UpdateApiIntegrationsSlackInstallationsArgs, options?: UpdateApiIntegrationsSlackInstallationsOptions) => {
const {baseUrl = "https://api.magicbell.com/v2", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/integrations/slack/installations${query.size > 0 ? `?${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(slackInstallation, await res.json())
};