import {z} from 'zod'

export type GetApiAgentLoopSyncChatContextArgs = {from_turn_id?: (string | null) | undefined, authorization?: (string | null) | undefined};

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

export const syncChatDigestSession = z.object({workspace_id: z.string(), name: z.string(), description: z.string().nullable().optional(), stats: z.unknown(), git_remote: z.string().nullable().optional(), git_branch: z.string().nullable().optional(), captured_at: z.string(), key_messages: z.array(z.string()).optional()});

export const syncChatGitHubInstall = z.object({installation_id: z.number().int(), account_login: z.string().nullable().optional()});

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

export const sourceVisibility = z.enum(["private", "public"]);

export const gitHubSourceConfig = z.object({repo: z.string(), branch: z.string()});

export const slackSourceConfig = z.object({slack_team_id: z.string(), channel_id: z.string()});

export const uploadedFileSourceConfig = z.object({file_id: z.string()});

export const gitHubSourceMetadata = z.object({installation_id: z.number().int(), commit_sha: z.string()});

export const slackSourceMetadata = z.object({team_name: z.string().nullable().optional(), channel_name: z.string(), is_private: z.boolean().optional()});

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

export const connectedSource = z.object({id: z.string().nullable().optional(), linked_by_user_id: z.string(), adapter: adapterType, visibility: sourceVisibility.optional(), config: z.union([gitHubSourceConfig, slackSourceConfig, uploadedFileSourceConfig]), metadata: z.union([gitHubSourceMetadata, slackSourceMetadata, uploadedFileSourceMetadata])});

export const syncChatContextTurn = z.object({id: z.string(), parent_id: z.string().nullable(), user_id: z.string().nullable().optional(), user_message: z.string().nullable(), assistant_text: z.string().nullable(), message_deltas: z.unknown(), usage: z.unknown()});

export const syncChatContextResponse = z.object({digest: z.array(syncChatDigestSession), github_installs: z.array(syncChatGitHubInstall), connected_sources: z.array(connectedSource).optional(), connected_sources_fingerprint: z.string().nullable().optional(), turns: z.array(syncChatContextTurn)});

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 Sync Chat Context
 * 
 * GET /agent-loop/sync-chat/context
 */
export const getApiAgentLoopSyncChatContext = async (args: GetApiAgentLoopSyncChatContextArgs, options: GetApiAgentLoopSyncChatContextOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/agent-loop/sync-chat/context${query.size > 0 ? `?${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(syncChatContextResponse, await res.json())
};