import { useTranslation } from "react-i18next";
import {
  useToolOperation,
  ToolType,
} from "@app/hooks/tools/shared/useToolOperation";
import { createStandardErrorHandler } from "@app/utils/toolErrorHandler";
import {
  CompressParameters,
  defaultParameters,
} from "@app/hooks/tools/compress/useCompressParameters";

// Static configuration that can be used by both the hook and automation executor
export const buildCompressFormData = (
  parameters: CompressParameters,
  file: File,
): FormData => {
  const formData = new FormData();
  formData.append("fileInput", file);

  if (parameters.compressionMethod === "quality") {
    formData.append("optimizeLevel", parameters.compressionLevel.toString());
  } else {
    // File size method
    const fileSize = parameters.fileSizeValue
      ? `${parameters.fileSizeValue}${parameters.fileSizeUnit}`
      : "";
    if (fileSize) {
      formData.append("expectedOutputSize", fileSize);
    }
  }

  formData.append("grayscale", (parameters.grayscale ?? false).toString());
  formData.append("lineArt", parameters.lineArt.toString());
  formData.append("linearize", parameters.linearize.toString());
  if (parameters.lineArt) {
    formData.append("lineArtThreshold", parameters.lineArtThreshold.toString());
    formData.append("lineArtEdgeLevel", parameters.lineArtEdgeLevel.toString());
  }
  return formData;
};

// Static configuration object
export const compressOperationConfig = {
  toolType: ToolType.singleFile,
  buildFormData: buildCompressFormData,
  operationType: "compress",
  endpoint: "/api/v1/misc/compress-pdf",
  defaultParameters,
} as const;

export const useCompressOperation = () => {
  const { t } = useTranslation();

  return useToolOperation<CompressParameters>({
    ...compressOperationConfig,
    getErrorMessage: createStandardErrorHandler(
      t(
        "compress.error.failed",
        "An error occurred while compressing the PDF.",
      ),
    ),
  });
};
