import {z} from 'zod'

export type SIPMediaEncryptionEnum = 'disabled' | 'allowed' | 'required';

export type SIPTrunkCredentialsRequestModel = {username: string, password?: (string | null) | undefined};

export type InboundSIPTrunkConfigRequestModel = {allowed_addresses?: (Array<string> | null) | undefined, allowed_numbers?: (Array<string> | null) | undefined, media_encryption?: SIPMediaEncryptionEnum | undefined, credentials?: (SIPTrunkCredentialsRequestModel | null) | undefined, remote_domains?: (Array<string> | null) | undefined, attributes_to_headers?: {[key: string]: string} | undefined};

export type SIPTrunkTransportEnum = 'auto' | 'udp' | 'tcp' | 'tls';

export type MediaCodec = 'G722/8000' | 'PCMU/8000' | 'PCMA/8000';

export type OutboundSIPTrunkConfigRequestModel = {address: string, transport?: SIPTrunkTransportEnum | undefined, media_encryption?: SIPMediaEncryptionEnum | undefined, headers?: {[key: string]: string} | undefined, attributes_to_headers?: {[key: string]: string} | undefined, credentials?: (SIPTrunkCredentialsRequestModel | null) | undefined, enabled_codecs?: Array<MediaCodec> | undefined};

export type LivekitStackType = 'standard' | 'static';

export type UpdatePhoneNumberRequest = {agent_id?: (string | null) | undefined, label?: (string | null) | undefined, inbound_trunk_config?: (InboundSIPTrunkConfigRequestModel | null) | undefined, outbound_trunk_config?: (OutboundSIPTrunkConfigRequestModel | null) | undefined, livekit_stack?: (LivekitStackType | null) | undefined, store_sip_messages?: (boolean | null) | undefined, environment?: (string | null) | undefined, branch_id?: (string | null) | undefined};

export type PatchApiV1ConvaiPhoneNumbersPhoneNumberIdArgs = {phone_number_id: string, 'xi-api-key'?: (string | null) | undefined, body: UpdatePhoneNumberRequest};

export type PatchApiV1ConvaiPhoneNumbersPhoneNumberIdOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const phoneNumberAgentInfo = z.object({agent_id: z.string(), agent_name: z.string(), environment: z.string().nullable().optional(), branch_id: z.string().nullable().optional()});

export const getPhoneNumberTwilioResponseModel = z.object({phone_number: z.string(), label: z.string(), supports_inbound: z.boolean().optional(), supports_outbound: z.boolean().optional(), phone_number_id: z.string(), assigned_agent: phoneNumberAgentInfo.nullable().optional(), provider: z.literal("twilio").optional()});

export const getPhoneNumberExotelResponseModel = z.object({phone_number: z.string(), label: z.string(), supports_inbound: z.boolean().optional(), supports_outbound: z.boolean().optional(), phone_number_id: z.string(), assigned_agent: phoneNumberAgentInfo.nullable().optional(), provider: z.literal("exotel").optional()});

export const sIPTrunkTransportEnum = z.enum(["auto", "udp", "tcp", "tls"]);

export const sIPMediaEncryptionEnum = z.enum(["disabled", "allowed", "required"]);

export const mediaCodec = z.enum(["G722/8000", "PCMU/8000", "PCMA/8000"]);

export const getPhoneNumberOutboundSIPTrunkConfigResponseModel = z.object({address: z.string(), transport: sIPTrunkTransportEnum, media_encryption: sIPMediaEncryptionEnum, headers: z.record(z.string(), z.string()).optional(), attributes_to_headers: z.record(z.string(), z.string()).optional(), has_auth_credentials: z.boolean(), username: z.string().nullable().optional(), has_outbound_trunk: z.boolean().optional(), enabled_codecs: z.array(mediaCodec).optional()});

export const getPhoneNumberInboundSIPTrunkConfigResponseModel = z.object({allowed_addresses: z.array(z.string()), allowed_numbers: z.array(z.string()).nullable(), media_encryption: sIPMediaEncryptionEnum, has_auth_credentials: z.boolean(), username: z.string().nullable().optional(), remote_domains: z.array(z.string()).nullable().optional(), attributes_to_headers: z.record(z.string(), z.string()).optional()});

export const livekitStackType = z.enum(["standard", "static"]);

export const getPhoneNumberSIPTrunkResponseModel = z.object({phone_number: z.string(), label: z.string(), supports_inbound: z.boolean().optional(), supports_outbound: z.boolean().optional(), phone_number_id: z.string(), assigned_agent: phoneNumberAgentInfo.nullable().optional(), provider: z.literal("sip_trunk").optional(), provider_config: getPhoneNumberOutboundSIPTrunkConfigResponseModel.nullable().optional(), outbound_trunk: getPhoneNumberOutboundSIPTrunkConfigResponseModel.nullable().optional(), inbound_trunk: getPhoneNumberInboundSIPTrunkConfigResponseModel.nullable().optional(), livekit_stack: livekitStackType, store_sip_messages: z.boolean().optional()});

export const patchApiV1ConvaiPhoneNumbersPhoneNumberIdResponse = z.discriminatedUnion("provider", [getPhoneNumberTwilioResponseModel, getPhoneNumberExotelResponseModel, getPhoneNumberSIPTrunkResponseModel]);

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
};

/**
 * Update Phone Number
 * 
 * PATCH /v1/convai/phone-numbers/{phone_number_id}
 */
export const patchApiV1ConvaiPhoneNumbersPhoneNumberId = async (args: PatchApiV1ConvaiPhoneNumbersPhoneNumberIdArgs, options: PatchApiV1ConvaiPhoneNumbersPhoneNumberIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args['xi-api-key'] != null) headers.set("xi-api-key", String(args['xi-api-key']))

const url = `${baseUrl.replace(/\/+$/, '')}/v1/convai/phone-numbers/${encodeURIComponent(String(args.phone_number_id))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PATCH", 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(patchApiV1ConvaiPhoneNumbersPhoneNumberIdResponse, await res.json())
};