import {z} from 'zod'

export type GetApiBetaAgentsArgs = {pageLimit?: number | undefined, pageKey?: string | undefined, email?: string | undefined, phone?: string | undefined};

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

export const agent = z.object({id: z.string(), createdAt: z.string(), displayName: z.string(), email: z.string(), avatarUrl: z.string().optional(), phoneNumber: z.string().optional(), additionalEmails: z.array(z.string()).optional(), additionalPhoneNumbers: z.array(z.string()).optional(), firstName: z.string().optional(), lastName: z.string().optional(), middleNames: z.array(z.string()).optional(), roles: z.array(z.string()).optional()});

export const paginationLinks = z.object({previous: z.string().optional(), next: z.string().optional()});

export const listAgentsOutput = z.object({data: z.array(agent).optional(), meta: paginationLinks.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
};

/**
 * List agents
 * 
 * GET /beta/agents
 */
export const getApiBetaAgents = async (args: GetApiBetaAgentsArgs, options?: GetApiBetaAgentsOptions) => {
const {baseUrl = "https://dev.dixa.io", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (args.pageLimit != null) query.append("pageLimit", String(args.pageLimit))
if (args.pageKey != null) query.append("pageKey", String(args.pageKey))
if (args.email != null) query.append("email", String(args.email))
if (args.phone != null) query.append("phone", String(args.phone))
if (ApiKeyAuth !== undefined) headers.set("Authorization", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/beta/agents${query.size > 0 ? `?${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(listAgentsOutput, await res.json())
};