import {z} from 'zod'

export type Authenticate = {username?: string | undefined, password?: string | undefined};

export type CreateApiSessionArgs = {body: Authenticate};

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

export const functionalityBean = z.object({id: z.string().optional(), description: z.string().optional(), application: z.lazy(() => applicationBean.optional())});

export const applicationBean: z.ZodType<ApplicationBean> = z.object({id: z.string().optional(), name: z.string().optional(), description: z.string().optional(), roles: z.array(z.lazy(() => roleBean)).optional(), functionalities: z.array(functionalityBean).optional(), users: z.array(z.lazy(() => userBean)).optional()});

export const roleBean: z.ZodType<RoleBean> = z.object({id: z.string().optional(), name: z.string().optional(), application: applicationBean.optional(), functionalities: z.array(functionalityBean).optional(), users: z.array(z.lazy(() => userBean)).optional()});

export const userBean: z.ZodType<UserBean> = z.object({username: z.string().optional(), name: z.string().optional(), canOpenCase: z.boolean().optional(), canEditCase: z.boolean().optional(), canViewCase: z.boolean().optional(), password: z.string().optional(), roles: z.array(roleBean).optional()});

export const authenticationResponse = z.object({status: z.enum(["OK", "ERROR", "BAD_REQUEST", "CREATED", "NO_CONTENT", "DELETED", "CANCELLED", "CLOSED", "REMOVED", "NOT_FOUND", "AUTHENTICATION_FAILED", "AUTHENTICATION_OK", "INVALID_SESSION_GUID", "UNAUTHORIZED", "FORBIDDEN", "RECEIVED", "ACCEPTED", "ENQUEUED", "INVALID_PARAMETERS", "FIELD_VALIDATION_ERROR", "ILLEGAL_STATE", "NOT_ENOUGH_DATA", "VALIDATION_ERROR", "IMPORTED", "UPDATED", "IGNORED", "SERVICE_STARTED", "SERVICE_CANCELLED", "SERVICE_SUBMITTED"]).optional(), code: z.number().int().optional(), sessionGuid: z.string().optional(), user: userBean.optional(), token: z.string().optional(), expirationTime: z.number().int().optional(), permissions: z.array(z.string()).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
};

/**
 * loginRequest
 * 
 * POST /session
 */
export const createApiSession = async (args: CreateApiSessionArgs, options?: CreateApiSessionOptions) => {
const {baseUrl = "http://<ip>:8085/gbds/v2", fetch: fetchFn = fetch} = options ?? {}

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

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