import {z} from 'zod'

export type GetApiActivityExportArgs = {cursor?: (string | null) | undefined, since?: (string | null) | undefined, until?: (string | null) | undefined, limit?: number | undefined, search?: (string | null) | undefined, alarm_only?: boolean | undefined};

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

export const secondOpinionSummary = z.object({run_id: z.string().nullable().optional(), status: z.enum(["not_sampled", "running", "completed", "failed", "unavailable"]).optional(), finding: z.enum(["safe", "attempt", "violation"]).nullable().optional(), completed_at: z.string().nullable().optional()});

export const activityExportRecord = z.object({original_finding: z.enum(["safe", "attempt", "violation", "skipped", "error"]).nullable(), latest_second_opinion: secondOpinionSummary}).and(z.record(z.string(), z.unknown()));

export const activityExportResponse = z.object({activities: z.array(activityExportRecord), next_cursor: z.string().nullable(), has_more: z.boolean()});

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
};

/**
 * Export Activity Data
 * 
 * GET /activity/export
 */
export const getApiActivityExport = async (args: GetApiActivityExportArgs, options?: GetApiActivityExportOptions) => {
const {baseUrl = "https://api.grayswan.ai", fetch: fetchFn = fetch} = options ?? {}

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

if (args.cursor != null) query.append("cursor", String(args.cursor))
if (args.since != null) query.append("since", String(args.since))
if (args.until != null) query.append("until", String(args.until))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.search != null) query.append("search", String(args.search))
if (args.alarm_only != null) query.append("alarm_only", String(args.alarm_only))

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