import {z} from 'zod'

export type CreateUserGroupMembershipRequestBody = {membership: {member_token: string}};

export type CreateApiWorkspaceGroupsGroupTokenMembershipsArgs = {workspace: string, group_token: string, body: CreateUserGroupMembershipRequestBody};

export type CreateApiWorkspaceGroupsGroupTokenMembershipsOptions = {baseUrl?: string | undefined, accessTokenAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const link = z.object({href: z.string(), templated: z.boolean().optional()});

export const userGroupMembershipLinks = z.object({self: link, creator: link.optional(), member: link, user_group: link});

export const userGroupMembershipEmbeds = z.unknown();

export const userGroupMembership = z.object({token: z.string(), member_token: z.string(), _links: userGroupMembershipLinks, _embedded: userGroupMembershipEmbeds.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
};

/**
 * Create a group membership
 * 
 * POST /{workspace}/groups/{group_token}/memberships
 */
export const createApiWorkspaceGroupsGroupTokenMemberships = async (args: CreateApiWorkspaceGroupsGroupTokenMembershipsArgs, options?: CreateApiWorkspaceGroupsGroupTokenMembershipsOptions) => {
const {baseUrl = "https://modeanalytics.com/api", fetch: fetchFn = fetch, accessTokenAuth} = options ?? {}

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

if (accessTokenAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${accessTokenAuth.username}:${accessTokenAuth.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/${encodeURIComponent(String(args.workspace))}/groups/${encodeURIComponent(String(args.group_token))}/memberships${query.size > 0 ? `?${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(userGroupMembership, await res.json())
};