import {z} from 'zod'

export type AttributesArray = Array<string | number | boolean | Record<string, never> | AttributesArray>;

export type AttributesValueObject = {exp?: number | undefined} | {[key: string]: string | number | boolean | AttributesArray};

export type SetAttributeObject = {action: 'set', key: string, timestamp?: string | undefined, value: string | number | AttributesValueObject};

export type RemoveAttributeObject = {action: 'remove', key: string, timestamp?: string | undefined};

export type AttributesObject = {attributes: Array<SetAttributeObject | RemoveAttributeObject>};

export type UuidArray = Array<string>;

export type AmazonChannel = {amazon_channel: string | UuidArray};

export type AndroidChannel = {android_channel: string | UuidArray};

export type Channel = {channel: string | UuidArray};

export type IosChannel = {ios_channel: string | UuidArray};

export type SmsId = {msisdn: string, sender: string};

export type CreateApiApiChannelsAttributesArgs = {body: {attributes: AttributesObject, audience: {amazon_channel?: AmazonChannel | undefined, android_channel?: AndroidChannel | undefined, channel?: Channel | undefined, email_address?: UuidArray | undefined, ios_channel?: IosChannel | undefined, sms_id?: SmsId | undefined, web_channel?: UuidArray | undefined}}};

export type CreateApiApiChannelsAttributesOptions = {baseUrl?: string | undefined, basicAppAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const createApiApiChannelsAttributesResponse = z.object({ok: z.boolean().optional(), warning: 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
};

/**
 * Set or remove attributes on channels
 * 
 * POST /api/channels/attributes
 * 
 * Also accepts auth: basicAuth, bearerAuth, oauth2Token
 */
export const createApiApiChannelsAttributes = async (args: CreateApiApiChannelsAttributesArgs, options?: CreateApiApiChannelsAttributesOptions) => {
const {baseUrl = "https://go.urbanairship.com", fetch: fetchFn = fetch, basicAppAuth} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/json")
headers.set('accept', "application/vnd.urbanairship+json; version=3")

if (basicAppAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAppAuth.username}:${basicAppAuth.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/channels/attributes${query.size > 0 ? `?${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(createApiApiChannelsAttributesResponse, await res.json())
};