import {z} from 'zod'

export type GetApiV1AnnotationsArgs = {CONFIDENT_API_KEY: string, traceUuid?: string | undefined, spanUuid?: string | undefined, threadId?: string | undefined, type?: ('THUMBS_RATING' | 'FIVE_STAR_RATING') | undefined, minRating?: string | undefined, maxRating?: string | undefined, page?: number | undefined, pageSize?: number | undefined, start?: string | undefined, end?: string | undefined, sortBy?: 'createdAt' | undefined, ascending?: ('true' | 'false') | undefined};

export type GetApiV1AnnotationsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const userReference = z.object({id: z.string(), email: z.string(), name: z.string().nullable(), image: z.string().nullable()});

export const annotation = z.object({id: z.string(), rating: z.number().int(), type: z.enum(["THUMBS_RATING", "FIVE_STAR_RATING"]), name: z.string().optional(), expectedOutcome: z.string().optional(), expectedOutput: z.string().optional(), explanation: z.string().optional(), createdAt: z.string().optional(), traceUuid: z.string().optional(), spanUuid: z.string().optional(), threadId: z.string().optional(), testCaseId: z.string().optional(), user: userReference.nullable().optional(), userEmail: z.string().nullable().optional()});

export const listAnnotationsResponse = z.object({success: z.boolean(), data: z.object({annotations: z.array(annotation), total: z.number().int(), page: z.number().int(), pageSize: z.number().int()})});

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
};

/**
 * List Annotations
 * 
 * GET /v1/annotations
 */
export const getApiV1Annotations = async (args: GetApiV1AnnotationsArgs, options?: GetApiV1AnnotationsOptions) => {
const {baseUrl = "https://api.confident-ai.com", fetch: fetchFn = fetch} = options ?? {}

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

if (args.CONFIDENT_API_KEY != null) headers.set("CONFIDENT_API_KEY", String(args.CONFIDENT_API_KEY))
if (args.traceUuid != null) query.append("traceUuid", String(args.traceUuid))
if (args.spanUuid != null) query.append("spanUuid", String(args.spanUuid))
if (args.threadId != null) query.append("threadId", String(args.threadId))
if (args.type != null) query.append("type", String(args.type))
if (args.minRating != null) query.append("minRating", String(args.minRating))
if (args.maxRating != null) query.append("maxRating", String(args.maxRating))
if (args.page != null) query.append("page", String(args.page))
if (args.pageSize != null) query.append("pageSize", String(args.pageSize))
if (args.start != null) query.append("start", String(args.start))
if (args.end != null) query.append("end", String(args.end))
if (args.sortBy != null) query.append("sortBy", String(args.sortBy))
if (args.ascending != null) query.append("ascending", String(args.ascending))

const url = `${baseUrl.replace(/\/+$/, '')}/v1/annotations${query.size > 0 ? `?${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(listAnnotationsResponse, await res.json())
};