import {z} from 'zod'

export type GetApiApiV1ExamplesArgs = {user: string, program: string, page?: number | undefined, page_size?: number | undefined, version?: (number | null) | undefined, commit_hash?: (string | null) | undefined, commit_hashes?: (string | null) | undefined, search?: (string | null) | undefined, sort_by?: (string | null) | undefined, sort_order?: string | undefined, max_confidence?: (number | null) | undefined, search_mode?: ('keyword' | 'semantic') | undefined, hide_graded?: boolean | undefined, authorization?: (string | null) | undefined, modaic_session?: (string | null) | undefined};

export type GetApiApiV1ExamplesOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const predictedExample = z.object({id: z.string().nullable().optional(), alt_id: z.string().nullable().optional(), arbiter_repo: z.string(), arbiter_hash: z.string().optional(), input: z.union([z.record(z.string(), z.unknown()), z.string()]).nullable().optional(), ground_truth: z.string().nullable().optional(), ground_reasoning: z.string().optional(), messages: z.array(z.record(z.string(), z.unknown())).nullable().optional(), serialized_output: z.string().nullable().optional(), reasoning: z.string().nullable().optional(), error: z.string().optional(), split: z.enum(["train", "test", "none"]).nullable().optional(), version: z.number().int().nullable().optional(), prediction_timestamp: z.string().optional(), confidence: z.number().nullable().optional()});

export const paginatedPage = z.object({items: z.array(predictedExample), total: z.number().int(), unfiltered_total: z.number().int(), page: z.number().int(), page_size: z.number().int(), total_pages: 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 Examples
 * 
 * GET /api/v1/examples
 */
export const getApiApiV1Examples = async (args: GetApiApiV1ExamplesArgs, options: GetApiApiV1ExamplesOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
const cookies: string[] = []
headers.set('accept', "application/json")

if (args.user != null) query.append("user", String(args.user))
if (args.program != null) query.append("program", String(args.program))
if (args.page != null) query.append("page", String(args.page))
if (args.page_size != null) query.append("page_size", String(args.page_size))
if (args.version != null) query.append("version", String(args.version))
if (args.commit_hash != null) query.append("commit_hash", String(args.commit_hash))
if (args.commit_hashes != null) query.append("commit_hashes", String(args.commit_hashes))
if (args.search != null) query.append("search", String(args.search))
if (args.sort_by != null) query.append("sort_by", String(args.sort_by))
if (args.sort_order != null) query.append("sort_order", String(args.sort_order))
if (args.max_confidence != null) query.append("max_confidence", String(args.max_confidence))
if (args.search_mode != null) query.append("search_mode", String(args.search_mode))
if (args.hide_graded != null) query.append("hide_graded", String(args.hide_graded))
if (args.authorization != null) headers.set("authorization", String(args.authorization))
if (args.modaic_session != null) cookies.push("modaic_session=" + encodeURIComponent(String(args.modaic_session)))
if (cookies.length > 0) headers.set('cookie', cookies.join('; '))

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