import {z} from 'zod'

export type GetApiApiV4RoutingQueuesArgs = {limit?: number | undefined, offset?: number | undefined};

export type GetApiApiV4RoutingQueuesOptions = {baseUrl: string, StaticKey?: string | undefined, fetch?: typeof fetch | undefined};

export const mediaMusicOnHold = z.object({type: z.literal("music_on_hold").optional(), name: z.string().optional()});

export const mediaVoiceMessage = z.object({type: z.literal("voice_message").optional(), name: z.string().optional()});

export const userShort = z.object({id: z.number().int().optional(), name: z.string().optional(), email: z.string().optional()});

export const queueFailoverDestinationAgent = z.object({type: z.literal("agent"), agent: userShort.nullable().optional()});

export const queueShort = z.object({id: z.number().int().optional(), name: z.string().optional()});

export const queueFailoverDestinationQueue = z.object({type: z.literal("queue"), queue: queueShort.nullable().optional()});

export const queueFailoverDestinationTerminate = z.object({type: z.literal("terminate")});

export const queueFailoverDestinationVoicemail = z.object({type: z.literal("voicemail"), voicemail: z.object({voice_message: mediaVoiceMessage.nullable().optional(), report: z.object({emails: z.array(z.string()).optional()}).nullable().optional()}).optional()});

export const queueFailoverDestination3rdPartyNumber = z.object({type: z.literal("3rd_party_number"), "3rd_party_number": z.string().optional()});

export const callerIDGroupShort = z.object({id: z.number().int().optional(), name: z.string().optional()});

export const skill = z.object({id: z.number().int().optional(), name: z.string().optional(), created_at: z.string().optional(), updated_at: z.string().optional()});

export const queue = z.object({id: z.number().int().optional(), name: z.string().optional(), extension: z.string().nullable().optional(), strategy: z.enum(["linear", "circular", "fewest_calls", "least_recent", "ring_all"]).optional(), music_on_hold: mediaMusicOnHold.nullable().optional(), in_queue_announcement: z.object({interval: z.number().int().optional(), voice_message: mediaVoiceMessage.nullable().optional(), announce_position: z.boolean().optional(), announce_wait_time: z.boolean().optional()}).optional(), failover_destination: z.object({wait_time: z.number().int().optional(), destination: z.discriminatedUnion("type", [queueFailoverDestinationAgent, queueFailoverDestinationQueue, queueFailoverDestinationTerminate, queueFailoverDestinationVoicemail, queueFailoverDestination3rdPartyNumber]).optional()}).nullable().optional(), callback: z.object({wait_time: z.number().int().optional(), caller_id_group: callerIDGroupShort.nullable().optional(), offer_voice_message: mediaVoiceMessage.nullable().optional(), confirmation_voice_message: mediaVoiceMessage.nullable().optional()}).nullable().optional(), post_call_rating: z.object({notification_voice_message: mediaVoiceMessage.nullable().optional(), instruction_voice_message: mediaVoiceMessage.nullable().optional(), complete_voice_message: mediaVoiceMessage.nullable().optional()}).nullable().optional(), channels: z.array(z.object({channel: z.enum(["chat", "facebook", "instagram", "telegram", "viber", "whatsapp"]).optional(), priority: z.number().int().gte(1).lte(10).optional()})).optional(), skills: z.array(skill).optional(), created_at: z.string().optional(), updated_at: z.string().optional()});

export const metadata = z.object({total: z.number().int().optional(), next_cursor: z.string().nullable().optional()});

export const getApiApiV4RoutingQueuesResponse = z.object({queues: z.array(queue).optional(), metadata: metadata.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
};

/**
 * Get queues
 * 
 * GET /api/v4/routing/queues
 */
export const getApiApiV4RoutingQueues = async (args: GetApiApiV4RoutingQueuesArgs, options: GetApiApiV4RoutingQueuesOptions) => {
const {baseUrl, fetch: fetchFn = fetch, StaticKey} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/v4/routing/queues${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

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

return validateResponse(getApiApiV4RoutingQueuesResponse, await res.json())
};