import Config from "@/config/config";
const apiServer = Config.apiServer;

async function fetchDownloadAttachment(
  attachmentId: number,
  downloadFileName: string
) {
  const fetchOptions = {
    method: "GET",
    headers: {
      "Content-Type": "application/json",
    },
  };

  const url = `${apiServer}/attachments/download/${attachmentId}`;

  try {
    const response = await fetch(url, fetchOptions);
    if (!response.ok) {
      throw new Error(`HTTP error! Status: ${response.status}`);
    }

    const blob = await response.blob();
    const downloadUrl = window.URL.createObjectURL(blob);

    const link = document.createElement("a");
    link.href = downloadUrl;
    link.download = downloadFileName;
    document.body.appendChild(link);
    link.click();
    document.body.removeChild(link);
  } catch (error) {
    console.error("Error downloading file:", error);
    throw error;
  }
}

async function fetchCreateAttachments(caseId: number, files: File[]) {
  try {
    const formData = new FormData();
    for (let i = 0; i < files.length; i++) {
      formData.append("files", files[i]);
    }

    const url = `${apiServer}/attachments?parentCaseId=${caseId}`;
    const response = await fetch(url, {
      method: "POST",
      body: formData,
    });

    if (!response.ok) {
      throw new Error("Network response was not ok");
    }

    const responseData = await response.json();
    return responseData;
  } catch (error) {
    console.error("Error uploading files:", error);
  }
}

async function fetchDeleteAttachment(attachmentId: number) {
  const fetchOptions = {
    method: "DELETE",
    headers: {
      "Content-Type": "application/json",
    },
  };

  const url = `${apiServer}/attachments/${attachmentId}`;

  try {
    const response = await fetch(url, fetchOptions);
    if (!response.ok) {
      throw new Error(`HTTP error! Status: ${response.status}`);
    }
  } catch (error) {
    console.error("Error deleting file:", error);
    throw error;
  }
}

export {
  fetchDownloadAttachment,
  fetchCreateAttachments,
  fetchDeleteAttachment,
};