import {z} from 'zod'

export type GetApiAdminAssistantsAssistantIdArgs = {TENANT: string, 'API-KEY': string, assistant_id: string};

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

export const assistantType = z.enum(["SCHEDULER", "BILLER", "NOTE_TAKER", "NOTE_UPLOADER", "CALL_SUMMARIZER", "FORM_ASSISTANT", "INBOUND_CALL", "CALL_REMINDER", "CALL_FOLLOW_UP", "CALL_LAB_TECHNICIAN", "INBOUND_TEXT"]);

export const assistantModality = z.enum(["VOICE", "TEXT"]);

export const llmModelType = z.enum(["gemini-2.5-flash", "claude-3-7-sonnet", "claude-3-5-haiku", "gpt-5.2", "gpt-5-mini", "gpt-5-nano", "gpt-realtime", "gpt-realtime-mini", "gemini-2.5-flash", "gemini-2.5-flash-preview-05-20", "gemini-2.5-flash-lite", "gemini-live"]);

export const eventType = z.enum(["APPOINTMENT", "SHIFT", "BLOCK"]);

export const recurringEventDetail = z.object({id: z.string(), rrule: z.string(), startDate: z.string(), durationMinutes: z.number().int(), timezone: z.string(), serviceIds: z.array(z.string()).nullable().optional(), capacity: z.number().int().nullable().optional(), type: eventType, title: z.string(), attendeeIds: z.array(z.string()).nullable().optional(), locationId: z.string().nullable().optional(), organizerId: z.string()});

export const assistantDetail = z.object({id: z.string(), firstName: z.string(), description: z.string().nullable().optional(), assistantType: assistantType, customPrompt: z.string().nullable().optional(), modality: assistantModality.nullable().optional(), beginSentenceTemplate: z.string().nullable().optional(), model: llmModelType.nullable().optional(), tools: z.array(z.string()).nullable().optional(), timezone: z.string(), enabled: z.boolean().nullable().optional(), phoneNumber: z.string().nullable().optional(), fallbackPhoneNumber: z.string().nullable().optional(), isArchived: z.boolean().nullable().optional(), isDefault: z.boolean().nullable().optional(), primaryLocationId: z.string().nullable().optional(), recurringEvents: z.array(recurringEventDetail).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
};

/**
 * Fetch Assistant
 * 
 * GET /admin/assistants/{assistant_id}
 */
export const getApiAdminAssistantsAssistantId = async (args: GetApiAdminAssistantsAssistantIdArgs, options: GetApiAdminAssistantsAssistantIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.TENANT != null) headers.set("TENANT", String(args.TENANT))
if (args['API-KEY'] != null) headers.set("API-KEY", String(args['API-KEY']))

const url = `${baseUrl.replace(/\/+$/, '')}/admin/assistants/${encodeURIComponent(String(args.assistant_id))}${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(assistantDetail, await res.json())
};