import {z} from 'zod'

export type GroupMemberDto = {name?: string | undefined, phone: string};

export type AddGroupMembersRequestDto = {groupId: string, members: Array<GroupMemberDto>};

export type CreateApiGroupsAddMembersArgs = {body: AddGroupMembersRequestDto};

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

export const groupMemberDto = z.object({name: z.string().optional(), phone: z.string()});

export const addGroupMembersResponse = z.object({invalidMembers: z.array(groupMemberDto), createdMembers: z.array(z.string()), membersAlreadyPresent: z.array(z.string()), groupId: z.string()});

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
};

/**
 * Add members to a group
 * 
 * POST /groups/add-members
 */
export const createApiGroupsAddMembers = async (args: CreateApiGroupsAddMembersArgs, options?: CreateApiGroupsAddMembersOptions) => {
const {baseUrl = "https://public.doubletick.io", fetch: fetchFn = fetch, basic} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/groups/add-members${query.size > 0 ? `?${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(addGroupMembersResponse, await res.json())
};