import {z} from 'zod'

export type LogEventType = 1 | 2 | 3 | 4 | 5;

export type EventProtocols = 'SSH' | 'SFTP' | 'SCP' | 'FTP' | 'DAV' | 'HTTP' | 'HTTPShare' | 'DataRetention' | 'EventAction' | 'OIDC';

export type GetApiEventsLogArgs = {start_timestamp?: number | undefined, end_timestamp?: number | undefined, events?: Array<LogEventType> | undefined, username?: string | undefined, ip?: string | undefined, protocols?: Array<EventProtocols> | undefined, instance_ids?: Array<string> | undefined, from_id?: string | undefined, role?: string | undefined, csv_export?: boolean | undefined, limit?: number | undefined, order?: ('ASC' | 'DESC') | undefined};

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

export const logEventType = z.union([z.literal(1), z.literal(2), z.literal(3), z.literal(4), z.literal(5)]);

export const eventProtocols = z.enum(["SSH", "SFTP", "SCP", "FTP", "DAV", "HTTP", "HTTPShare", "DataRetention", "EventAction", "OIDC"]);

export const logEvent = z.object({id: z.string().optional(), timestamp: z.number().int().optional(), event: logEventType.optional(), protocol: eventProtocols.optional(), username: z.string().optional(), ip: z.string().optional(), message: z.string().optional(), role: z.string().optional(), instance_id: z.string().optional()});

export const getApiEventsLogResponse = z.array(logEvent);

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 log events
 * 
 * GET /events/log
 * 
 * Also accepts auth: APIKeyAuth
 */
export const getApiEventsLog = async (args: GetApiEventsLogArgs, options: GetApiEventsLogOptions) => {
const {baseUrl, fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (args.start_timestamp != null) query.append("start_timestamp", String(args.start_timestamp))
if (args.end_timestamp != null) query.append("end_timestamp", String(args.end_timestamp))
if (args.events != null) query.append("events", args.events.join(','))
if (args.username != null) query.append("username", String(args.username))
if (args.ip != null) query.append("ip", String(args.ip))
if (args.protocols != null) query.append("protocols", args.protocols.join(','))
if (args.instance_ids != null) query.append("instance_ids", args.instance_ids.join(','))
if (args.from_id != null) query.append("from_id", String(args.from_id))
if (args.role != null) query.append("role", String(args.role))
if (args.csv_export != null) query.append("csv_export", String(args.csv_export))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.order != null) query.append("order", String(args.order))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

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