import {z} from 'zod'

export type GetApiTemplatesIdUsersArgs = {id: string};

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

export const templateUser = z.object({id: z.string(), name: z.string().optional(), email: z.string(), first_name: z.string().nullable(), last_name: z.string().nullable().optional(), designation: z.enum(["Signer", "Approver", "CC"]), order: z.number().int().gte(1), phone_number: z.string().nullable().optional(), street_address: z.string().nullable().optional(), city: z.string().nullable().optional(), state_province: z.string().nullable().optional(), postal_code: z.string().nullable().optional(), country: z.string().nullable().optional(), title: z.string().nullable().optional(), company: z.string().nullable().optional(), required_fields: z.array(z.string()).optional(), missing_fields: z.array(z.string()).optional(), required_read_only_fields: z.array(z.object({variable_name: z.string().nullable().optional(), variable_defined_name: z.string().nullable().optional(), field_type: z.string().optional()})).optional(), ready_to_send: z.boolean().optional()});

export const templateUserListResponse = z.object({results: z.array(templateUser)});

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 template users
 * 
 * GET /templates/{id}/users
 */
export const getApiTemplatesIdUsers = async (args: GetApiTemplatesIdUsersArgs, options?: GetApiTemplatesIdUsersOptions) => {
const {baseUrl = "https://api.firma.dev/functions/v1/signing-request-api", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set("Authorization", ApiKeyAuth)

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