import {z} from 'zod'

export type GetApiActivitySessionArgs = {'ev-api-key': string, 'ev-access-token': string, startDate?: string | undefined, endDate?: string | undefined, ipAddress?: string | undefined, username?: string | undefined, path?: string | undefined, type?: string | undefined, offset?: number | undefined, limit?: number | undefined, sort?: string | undefined};

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

export const sessionActivityEntry = z.object({id: z.number().int().optional(), type: z.literal("sessionActivity").optional(), attributes: z.object({bytesTransferred: z.number().int().optional(), created: z.string().optional(), duration: z.number().int().optional(), fileName: z.string().optional(), fileSource: z.string().optional(), ipAddress: z.string().optional(), operation: z.string().optional(), protocol: z.string().optional(), sessionId: z.string().optional(), status: z.string().optional(), username: z.string().optional()}).optional()});

export const sessionActivityResponse = z.object({responseStatus: z.number().int().optional(), totalResults: z.number().int().optional(), returnedResults: z.number().int().optional(), data: z.array(sessionActivityEntry).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
};

/**
 * Get activity logs
 * 
 * GET /activity/session
 */
export const getApiActivitySession = async (args: GetApiActivitySessionArgs, options?: GetApiActivitySessionOptions) => {
const {baseUrl = "https://accountname.exavault.com/api/v2", fetch: fetchFn = fetch} = options ?? {}

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

if (args['ev-api-key'] != null) headers.set("ev-api-key", String(args['ev-api-key']))
if (args['ev-access-token'] != null) headers.set("ev-access-token", String(args['ev-access-token']))
if (args.startDate != null) query.append("startDate", String(args.startDate))
if (args.endDate != null) query.append("endDate", String(args.endDate))
if (args.ipAddress != null) query.append("ipAddress", String(args.ipAddress))
if (args.username != null) query.append("username", String(args.username))
if (args.path != null) query.append("path", String(args.path))
if (args.type != null) query.append("type", String(args.type))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.sort != null) query.append("sort", String(args.sort))

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