import {z} from 'zod'

export type AdapterType = 'github' | 'slack' | 'uploaded_file';

export type SourceVisibility = 'private' | 'public';

export type GitHubSourceConfig = {repo: string, branch: string};

export type SlackSourceConfig = {slack_team_id: string, channel_id: string};

export type UploadedFileSourceConfig = {file_id: string};

export type GitHubSourceMetadata = {installation_id: number, commit_sha: string};

export type SlackSourceMetadata = {team_name?: (string | null) | undefined, channel_name: string, is_private?: boolean | undefined};

export type UploadedFileSourceMetadata = {filename: string, content_type?: (string | null) | undefined, size_bytes?: (number | null) | undefined};

export type ConnectedSource = {id?: (string | null) | undefined, linked_by_user_id: string, adapter: AdapterType, visibility?: SourceVisibility | undefined, config: GitHubSourceConfig | SlackSourceConfig | UploadedFileSourceConfig, metadata: GitHubSourceMetadata | SlackSourceMetadata | UploadedFileSourceMetadata};

export type CreateApiAgentLoopSyncChatConnectedSourcesRetrievalDetailsArgs = {authorization?: (string | null) | undefined, body: ConnectedSource};

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

export const adapterType = z.enum(["github", "slack", "uploaded_file"]);

export const retrievalKind = z.enum(["git", "file"]);

export const gitRetrievalDetails = z.object({kind: retrievalKind.optional(), clone_url: z.string(), token: z.string(), repo: z.string(), branch: z.string(), commit_sha: z.string()});

export const fileRetrievalDetails = z.object({kind: retrievalKind.optional(), download_url: z.string(), filename: z.string(), content_type: z.string().nullable().optional(), size_bytes: z.number().int().nullable().optional()});

export const retrievalResult = z.object({adapter: adapterType, retrieval: z.union([gitRetrievalDetails, fileRetrievalDetails])});

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
};

/**
 * Sync Chat Connected Source Retrieval Details
 * 
 * POST /agent-loop/sync-chat/connected-sources/retrieval-details
 */
export const createApiAgentLoopSyncChatConnectedSourcesRetrievalDetails = async (args: CreateApiAgentLoopSyncChatConnectedSourcesRetrievalDetailsArgs, options: CreateApiAgentLoopSyncChatConnectedSourcesRetrievalDetailsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.authorization != null) headers.set("authorization", String(args.authorization))

const url = `${baseUrl.replace(/\/+$/, '')}/agent-loop/sync-chat/connected-sources/retrieval-details${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(retrievalResult, await res.json())
};