import {z} from 'zod'

export type GetApiApiV2GroupsArgs = {page_number?: number | undefined, page_size?: (10 | 20 | 30 | 50 | 100 | 250) | undefined};

export type GetApiApiV2GroupsOptions = {baseUrl?: string | undefined, OAuthv2?: string | undefined, fetch?: typeof fetch | undefined};

export const groupUser = z.object({UserId: z.string(), FullName: z.string(), Email: z.string()});

export const groupEcosystem = z.object({EcosystemId: z.number().int(), EcosystemName: z.string()});

export const groupCompany = z.object({CompanyId: z.number().int(), CompanyName: z.string()});

export const groupRoleAssignment = z.object({RoleId: z.number().int(), RoleName: z.string(), AllEcosystems: z.boolean(), AuthorizedEcosystems: z.array(groupEcosystem), ExcludedEcosystems: z.array(z.object({EcosystemId: z.number().int(), EcosystemName: z.string()})), AuthorizedCompanies: z.array(groupCompany)});

export const group = z.object({GroupId: z.number().int(), Name: z.string(), Description: z.string(), CreatedDate: z.string(), CreatedBy: z.string(), NumberOfUsers: z.number().int(), Users: z.array(groupUser), RoleAssignments: z.array(groupRoleAssignment)});

export const getApiApiV2GroupsResponse = z.array(group);

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 the groups the credential creator can see.
 * 
 * GET /api/v2/groups
 */
export const getApiApiV2Groups = async (args: GetApiApiV2GroupsArgs, options?: GetApiApiV2GroupsOptions) => {
const {baseUrl = "https://app.blackkitetech.com", fetch: fetchFn = fetch, OAuthv2} = options ?? {}

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

if (args.page_number != null) query.append("page_number", String(args.page_number))
if (args.page_size != null) query.append("page_size", String(args.page_size))
if (OAuthv2 !== undefined) headers.set('authorization', `Bearer ${OAuthv2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v2/groups${query.size > 0 ? `?${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(getApiApiV2GroupsResponse, await res.json())
};