import {z} from 'zod'

export type CVEStatus = 'reported' | 'active' | 'mitigated' | 'cleared' | 'disputed' | 'unknown';

export type CVEsNotificationEventTypes = 'score_increased' | 'score_decreased' | 'status_changed';

export type GetApiChannelsChannelNameCvesHistoryArgs = {channel_name: string, from_date?: string | undefined, to_date?: string | undefined, min_download_count?: number | undefined, status?: Array<CVEStatus> | undefined, event_types?: Array<CVEsNotificationEventTypes> | undefined, q?: string | undefined, max_score?: number | undefined, min_score?: number | undefined, offset?: number | undefined, limit?: number | undefined};

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

export const artifactFamily = z.enum(["anaconda_project", "anaconda_env", "cve", "conda", "python", "cran", "notebook", "docker", "sbom"]);

export const cVENotificationChanges = z.array(z.unknown());

export const cVENotificationsHistory = z.object({file_name: z.string().optional(), platform: z.string().optional(), artifact_family: artifactFamily.optional(), cves_count: z.number().optional(), old_max_score: z.number().optional(), new_max_score: z.number().optional(), notification_changes: z.array(cVENotificationChanges).optional(), number_of_downloads: z.number().optional(), created_at: z.string().optional()});

export const channelCveHistory = z.array(cVENotificationsHistory);

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 cve history logs of the channel
 * 
 * GET /channels/{channel_name}/cves_history
 * 
 * Also accepts auth: user_token
 */
export const getApiChannelsChannelNameCvesHistory = async (args: GetApiChannelsChannelNameCvesHistoryArgs, options?: GetApiChannelsChannelNameCvesHistoryOptions) => {
const {baseUrl = "https://api.anaconda.cloud/api", fetch: fetchFn = fetch, jwt} = options ?? {}

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

if (args.from_date != null) query.append("from_date", String(args.from_date))
if (args.to_date != null) query.append("to_date", String(args.to_date))
if (args.min_download_count != null) query.append("min_download_count", String(args.min_download_count))
for (const item of args.status ?? []) query.append("status", String(item))
for (const item of args.event_types ?? []) query.append("event_types", String(item))
if (args.q != null) query.append("q", String(args.q))
if (args.max_score != null) query.append("max_score", String(args.max_score))
if (args.min_score != null) query.append("min_score", String(args.min_score))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.limit != null) query.append("limit", String(args.limit))
if (jwt !== undefined) headers.set('authorization', `Bearer ${jwt}`)

const url = `${baseUrl.replace(/\/+$/, '')}/channels/${encodeURIComponent(String(args.channel_name))}/cves_history${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(channelCveHistory, await res.json())
};