import {z} from 'zod'

export type GetApiIvrsIdArgs = {id: string};

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

export const getApiIvrsIdResponse = z.object({id: z.string().optional(), name: z.string().min(1).max(64).optional(), extension_number: z.string().min(3).max(64).optional(), language: z.string().optional(), dtmf_interval: z.number().int().gte(1).optional(), prompt_file_name: z.string().optional(), prompt_file_size: z.number().int().gte(0).optional(), prompt_file_url: z.string().optional(), transfer_prompt_file_name: z.string().optional(), transfer_prompt_file_size: z.number().int().gte(0).optional(), transfer_prompt_file_url: z.string().optional(), enable_pin: z.boolean().optional(), pin: z.string().min(6).max(10).optional(), timeout_forward_rule: z.object({timeout: z.number().int().optional(), repeat_times: z.number().int().gte(0).optional(), action: z.enum(["FORWARD_TO_NUMBER", "FORWARD_TO_VOICEMAIL", "REPEAT", "HANGUP"]).optional(), number: z.string().optional()}).optional(), failure_forward_rule: z.object({action: z.enum(["FORWARD_TO_NUMBER", "FORWARD_TO_VOICEMAIL", "REPEAT", "HANGUP"]).optional(), number: z.string().optional()}).optional(), custom_forward_rules: z.array(z.object({user_input: z.string().optional(), office_hours: z.object({mode: z.enum(["GLOBAL", "CUSTOM"]).optional(), monday: z.object({enabled: z.boolean().optional(), ranges: z.array(z.object({from: z.string().optional(), to: z.string().optional()})).optional()}).optional(), tuesday: z.object({enabled: z.boolean().optional(), ranges: z.array(z.object({from: z.string().optional(), to: z.string().optional()})).optional()}).optional(), wednesday: z.object({enabled: z.boolean().optional(), ranges: z.array(z.object({from: z.string().optional(), to: z.string().optional()})).optional()}).optional(), thursday: z.object({enabled: z.boolean().optional(), ranges: z.array(z.object({from: z.string().optional(), to: z.string().optional()})).optional()}).optional(), friday: z.object({enabled: z.boolean().optional(), ranges: z.array(z.object({from: z.string().optional(), to: z.string().optional()})).optional()}).optional(), saturday: z.object({enabled: z.boolean().optional(), ranges: z.array(z.object({from: z.string().optional(), to: z.string().optional()})).optional()}).optional(), sunday: z.object({enabled: z.boolean().optional(), ranges: z.array(z.object({from: z.string().optional(), to: z.string().optional()})).optional()}).optional()}).optional(), office_hours_forward_rule: z.object({action: z.enum(["FORWARD_TO_NUMBER", "FORWARD_TO_VOICEMAIL", "REPEAT", "HANGUP", "DISA"]).optional(), number: z.string().optional()}).optional(), non_office_hours_forward_rule: z.object({action: z.enum(["FORWARD_TO_NUMBER", "FORWARD_TO_VOICEMAIL", "REPEAT", "HANGUP", "DISA"]).optional(), number: z.string().optional()}).optional(), holidays: z.array(z.object({id: z.string().optional(), name: z.string().min(1).max(64).optional(), region: z.string().optional(), consecutive: z.boolean().optional(), every_year: z.boolean().optional(), year_start: z.number().int().optional(), year_end: z.number().int().optional(), month_start: z.number().int().optional(), month_end: z.number().int().optional(), day_start: z.number().int().optional(), day_end: z.number().int().optional(), hour_start: z.number().int().optional(), hour_end: z.number().int().optional(), minute_start: z.number().int().optional(), minute_end: z.number().int().optional()})).optional(), holiday_forward_rule: z.object({action: z.enum(["FORWARD_TO_NUMBER", "FORWARD_TO_VOICEMAIL", "REPEAT", "HANGUP", "DISA"]).optional(), number: z.string().optional()}).optional()})).optional(), outbound_caller_ids: z.array(z.object({provider_id: z.string().optional(), caller_id: z.string().min(1).max(64).optional(), description: z.string().max(1024).optional()})).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
};

/**
 * Retrieve a virtual receptionist
 * 
 * GET /ivrs/{id}
 */
export const getApiIvrsId = async (args: GetApiIvrsIdArgs, options?: GetApiIvrsIdOptions) => {
const {baseUrl = "https://HOSTNAME:8887/api", fetch: fetchFn = fetch, bearer} = options ?? {}

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

if (bearer !== undefined) headers.set('authorization', `Bearer ${bearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/ivrs/${encodeURIComponent(String(args.id))}${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(getApiIvrsIdResponse, await res.json())
};