import {z} from 'zod'

export type GetApiOperationsOperationIdArgs = {operation_id: string};

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

export const errorLog = z.object({path: z.string().optional(), error: z.string().optional()});

export const exportOperationStatus = z.object({operationId: z.string(), status: z.enum(["COMPLETED", "STARTING", "STARTED", "STOPPING", "STOPPED", "FAILED", "ABANDONED"]), exitMessage: z.string(), readCount: z.number().int(), writeCount: z.number().int(), skipCount: z.number().int(), startTime: z.string(), endTime: z.string(), errorLog: z.array(errorLog), fileSize: z.number().int().optional(), sourcePath: z.string(), branch: z.string().optional(), modifiedAfter: z.string().optional(), dataTypes: z.array(z.enum(["document", "page", "resourcebundle", "folder"])).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 operation details
 * 
 * GET /operations/{operation_id}
 */
export const getApiOperationsOperationId = async (args: GetApiOperationsOperationIdArgs, options?: GetApiOperationsOperationIdOptions) => {
const {baseUrl = "https://developers.bloomreach.io/delivery/site/v2/documents", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/operations/${encodeURIComponent(String(args.operation_id))}${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(exportOperationStatus, await res.json())
};