import {z} from 'zod'

export type ChangeEntry = {changeType: 'added' | 'modified' | 'removed', concept: string, summary: string, sectionHeading?: (string | null) | undefined};

export type CreateDocumentArtifactRequest = {id: string, turn_id: string, label?: (string | null) | undefined, diff?: (Array<ChangeEntry> | null) | undefined, initial_blocks: Array<unknown>, initial_markdown: string};

export type CreateApiWorkspacesWorkspaceIdDocumentArtifactsArgs = {workspace_id: string, authorization?: (string | null) | undefined, body: CreateDocumentArtifactRequest};

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

export const createDocumentArtifactResponse = z.object({id: z.string(), workspace_id: z.string(), name: z.string().nullable(), produced_at_turn_id: z.string(), created_at: z.string()});

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
};

/**
 * Create Document Artifact
 * 
 * POST /workspaces/{workspace_id}/document-artifacts
 */
export const createApiWorkspacesWorkspaceIdDocumentArtifacts = async (args: CreateApiWorkspacesWorkspaceIdDocumentArtifactsArgs, options: CreateApiWorkspacesWorkspaceIdDocumentArtifactsOptions) => {
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 = `${baseUrl.replace(/\/+$/, '')}/workspaces/${encodeURIComponent(String(args.workspace_id))}/document-artifacts${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(createDocumentArtifactResponse, await res.json())
};