import {z} from 'zod'

export type GetApiSourcesSourceIdContentArgs = {source_id: string, type?: ('repository' | 'documentation' | 'research_paper' | 'huggingface_dataset' | 'local_folder' | 'slack' | 'google_drive' | null) | undefined, path?: (string | null) | undefined, url?: (string | null) | undefined, branch?: (string | null) | undefined, page?: (number | null) | undefined, tree_node_id?: (string | null) | undefined, line_start?: (number | null) | undefined, line_end?: (number | null) | undefined, max_length?: (number | null) | undefined};

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

export const sourceContentResponse = z.object({success: z.boolean(), content: z.string().optional(), metadata: z.record(z.string(), z.unknown()).optional(), error: z.string().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 Source Content
 * 
 * GET /sources/{source_id}/content
 */
export const getApiSourcesSourceIdContent = async (args: GetApiSourcesSourceIdContentArgs, options?: GetApiSourcesSourceIdContentOptions) => {
const {baseUrl = "https://apigcp.trynia.ai/v2", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (args.type != null) query.append("type", String(args.type))
if (args.path != null) query.append("path", String(args.path))
if (args.url != null) query.append("url", String(args.url))
if (args.branch != null) query.append("branch", String(args.branch))
if (args.page != null) query.append("page", String(args.page))
if (args.tree_node_id != null) query.append("tree_node_id", String(args.tree_node_id))
if (args.line_start != null) query.append("line_start", String(args.line_start))
if (args.line_end != null) query.append("line_end", String(args.line_end))
if (args.max_length != null) query.append("max_length", String(args.max_length))
if (ApiKeyAuth !== undefined) headers.set('authorization', `Bearer ${ApiKeyAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/sources/${encodeURIComponent(String(args.source_id))}/content${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(sourceContentResponse, await res.json())
};