import {z} from 'zod'

export type ArtifactFamily = 'anaconda_project' | 'anaconda_env' | 'cve' | 'conda' | 'python' | 'cran' | 'notebook' | 'docker' | 'sbom';

export type GetApiArtifactsArgs = {offset?: number | undefined, limit?: number | undefined, q?: string | undefined, only_names?: Array<string> | undefined, sort?: (Array<'common_name' | '-common_name' | 'download_count' | '-download_count' | 'updated_at' | '-updated_at'>) | undefined, artifact_family?: Array<ArtifactFamily> | undefined, platform?: string | undefined, created?: number | undefined, updated?: number | undefined};

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

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

export const channelPrivacy = z.enum(["private", "authenticated", "public"]);

export const artifact = z.object({name: z.string().optional(), family: artifactFamily.optional(), channel: z.string().optional(), subchannel: z.string().optional(), download_count: z.number().optional(), privacy: channelPrivacy.optional(), file_count: z.number().optional(), cve_count: z.number().optional(), metadata: z.object({}).optional(), updated_at: z.string().optional()});

export const getApiArtifactsResponse = z.object({total_count: z.number().optional(), items: z.array(artifact).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 list of all artifacts
 * 
 * GET /artifacts
 */
export const getApiArtifacts = async (args: GetApiArtifactsArgs, options?: GetApiArtifactsOptions) => {
const {baseUrl = "https://api.anaconda.cloud/api", fetch: fetchFn = fetch} = options ?? {}

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

if (args.offset != null) query.append("offset", String(args.offset))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.q != null) query.append("q", String(args.q))
for (const item of args.only_names ?? []) query.append("only_names", String(item))
for (const item of args.sort ?? []) query.append("sort", String(item))
for (const item of args.artifact_family ?? []) query.append("artifact_family", String(item))
if (args.platform != null) query.append("platform", String(args.platform))
if (args.created != null) query.append("created", String(args.created))
if (args.updated != null) query.append("updated", String(args.updated))

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