import {z} from 'zod'

export type CreateUserInvitationRequest = {email: string, role: 'Admin' | 'Viewer' | 'Bookkeeper' | 'Controller' | 'Card user' | 'Card manager' | 'Invoice user' | 'AP Clerk' | 'AP/AR Bookkeeper' | 'Bill Approver'};

export type CreateApiUsersInvitationsArgs = {'x-entity-id'?: string | undefined, body: CreateUserInvitationRequest};

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

export const approvalStatus = z.enum(["pending_approval", "approved", "executing", "under_review", "completed", "rejected", "expired", "failed"]);

export const createUserInvitationResponse = z.object({approval_id: z.string(), status: approvalStatus});

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
};

/**
 * Invite a team member
 * 
 * POST /users/invitations
 */
export const createApiUsersInvitations = async (args: CreateApiUsersInvitationsArgs, options?: CreateApiUsersInvitationsOptions) => {
const {baseUrl = "https://api.meow.com/v1", fetch: fetchFn = fetch, apiKeyAuth} = options ?? {}

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

if (args['x-entity-id'] != null) headers.set("x-entity-id", String(args['x-entity-id']))
if (apiKeyAuth !== undefined) headers.set("x-api-key", apiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/users/invitations${query.size > 0 ? `?${query}` : ''}`

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