import {z} from 'zod'

export type GetApiApiReposNamespaceRepoNameDataFramesResourceArgs = {namespace: string, repo_name: string, resource: string, columns: string | null, delimiter: string | null, find_embedding_where: string | null, filter: string | null, output: string | null, output_column: string | null, page_size: number | null, page: number | null, row: number | null, randomize: boolean | null, reverse: boolean | null, slice: string | null, sort_by: string | null, sort_by_similarity_to: string | null, sql: string | null, take: string | null};

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

export const commit = z.object({author: z.string(), email: z.string(), id: z.string(), message: z.string(), parent_ids: z.array(z.string()), timestamp: z.string()});

export const previousField = z.object({dtype: z.string(), metadata: z.unknown(), name: z.string()});

export const changes = z.object({previous: previousField.nullable().optional(), status: z.string()});

export const field = z.object({changes: changes.nullable().optional(), dtype: z.string(), metadata: z.unknown(), name: z.string()});

export const schema = z.object({fields: z.array(field), hash: z.string(), metadata: z.unknown()});

export const dataFrameSize = z.object({height: z.number().int().gte(0), width: z.number().int().gte(0)});

export const dataFrameSchemaSize = z.object({schema: schema, size: dataFrameSize});

export const dFOptView = z.object({name: z.string(), value: z.unknown()});

export const pagination = z.object({page_number: z.number().int().gte(0), page_size: z.number().int().gte(0), total_entries: z.number().int().gte(0), total_pages: z.number().int().gte(0)});

export const jsonDataFrameView = z.object({opts: z.array(dFOptView), data: z.unknown(), pagination: pagination, schema: schema, size: dataFrameSize});

export const jsonDataFrameViews = z.object({source: dataFrameSchemaSize, view: jsonDataFrameView});

export const dFResourceType = z.enum(["compare", "diff", "query"]);

export const derivedDFResource = z.object({path: z.string(), resource_id: z.string(), resource_type: dFResourceType});

export const resourceVersion = z.object({path: z.string(), version: z.string()});

export const jsonDataFrameViewResponse = z.object({oxen_version: z.string().nullable().optional(), status: z.string(), status_message: z.string(), commit: commit.nullable().optional(), data_frame: jsonDataFrameViews, derived_resource: derivedDFResource.nullable().optional(), resource: resourceVersion.nullable().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 data frame slice
 * 
 * GET /api/repos/{namespace}/{repo_name}/data_frames/{resource}
 */
export const getApiApiReposNamespaceRepoNameDataFramesResource = async (args: GetApiApiReposNamespaceRepoNameDataFramesResourceArgs, options?: GetApiApiReposNamespaceRepoNameDataFramesResourceOptions) => {
const {baseUrl = "https://hub.oxen.ai", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (apiKey !== undefined) headers.set('authorization', `Bearer ${apiKey}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/repos/${encodeURIComponent(String(args.namespace))}/${encodeURIComponent(String(args.repo_name))}/data_frames/${encodeURIComponent(String(args.resource))}${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(jsonDataFrameViewResponse, await res.json())
};