import { useState } from "react";
import { Box, ButtonBase, Skeleton, Typography, useTheme } from "@mui/material";
import { enqueueSnackbar } from "notistack";

import { sendAnswer, sendFile } from "@api/quizRelase";
import { useQuizSettings } from "@contexts/QuizDataContext";
import { useRootContainerSize } from "@contexts/RootContainerWidthContext";
import { useQuizViewStore } from "@stores/quizView";

import {
  ACCEPT_SEND_FILE_TYPES_MAP,
  MAX_FILE_SIZE,
  UPLOAD_FILE_DESCRIPTIONS_MAP,
} from "@/components/ViewPublicationPage/tools/fileUpload";

import Info from "@icons/Info";
import UploadIcon from "@icons/UploadIcon";

import type { QuizQuestionFile } from "@model/questionTypes/file";
import type { ModalWarningType } from "./index";
import { useTranslation } from "react-i18next";

type UploadFileProps = {
  currentQuestion: QuizQuestionFile;
  setModalWarningType: (modalType: ModalWarningType) => void;
  isSending: boolean;
  setIsSending: (isSending: boolean) => void;
};

export const UploadFile = ({ currentQuestion, setModalWarningType, isSending, setIsSending }: UploadFileProps) => {
  const { quizId, preview } = useQuizSettings();
  const [isDropzoneHighlighted, setIsDropzoneHighlighted] = useState<boolean>(false);
  const theme = useTheme();
  const { t } = useTranslation();
  const answers = useQuizViewStore((state) => state.answers);
  const { updateAnswer } = useQuizViewStore((state) => state);
  const isMobile = useRootContainerSize() < 500;

  const answer = answers.find(({ questionId }) => questionId === currentQuestion.id)?.answer as string;

  const uploadFile = async (file: File | undefined) => {
    if (isSending) return;
    if (!file) return;
    if (file.size > MAX_FILE_SIZE) return setModalWarningType("errorSize");

    const isFileTypeAccepted = ACCEPT_SEND_FILE_TYPES_MAP[currentQuestion.content.type].some((fileType) =>
      file.name.toLowerCase().endsWith(fileType)
    );

    if (!isFileTypeAccepted) return setModalWarningType("errorType");

    setIsSending(true);
    try {
      const data = await sendFile({
        questionId: currentQuestion.id,
        body: {
          file: file,
          name: file.name,
          preview,
        },
        qid: quizId,
      });
      await sendAnswer({
        questionId: currentQuestion.id,
        body: `${data!.data.fileIDMap[currentQuestion.id]}`,
        qid: quizId,
        preview,
      });

      updateAnswer(currentQuestion.id, `${file.name}|${URL.createObjectURL(file)}`, 0);
    } catch (error) {
      console.error(error);
      enqueueSnackbar(t("The answer was not counted"));
    }

    setIsSending(false);
  };

  const onDrop = (event: React.DragEvent<HTMLDivElement>) => {
    event.preventDefault();
    setIsDropzoneHighlighted(false);

    const file = event.dataTransfer.files[0];

    uploadFile(file);
  };

  return (
    <Box sx={{ display: "flex", alignItems: "center" }}>
      {isSending ? (
        <Skeleton
          variant="rounded"
          sx={{ width: "100%", height: "120px", maxWidth: "560px" }}
        />
      ) : (
        <ButtonBase
          component="label"
          sx={{ justifyContent: "flex-start", width: "100%" }}
        >
          <input
            onChange={({ target }) => uploadFile(target.files?.[0])}
            hidden
            accept={ACCEPT_SEND_FILE_TYPES_MAP[currentQuestion.content.type].join(",")}
            multiple
            type="file"
          />
          <Box
            onDragEnter={() => !answer?.split("|")[0] && setIsDropzoneHighlighted(true)}
            onDragLeave={() => setIsDropzoneHighlighted(false)}
            onDragOver={(event) => event.preventDefault()}
            onDrop={onDrop}
            sx={{
              width: "100%",
              height: isMobile ? undefined : "120px",
              display: "flex",
              gap: "50px",
              justifyContent: "flex-start",
              alignItems: "center",
              padding: "33px 44px 33px 55px",
              backgroundColor: "#F2F3F7",
              border: `1px solid ${isDropzoneHighlighted ? "red" : "#9A9AAF"}`,
              borderRadius: "8px",
            }}
          >
            <UploadIcon />
            <Box>
              <Typography sx={{ color: "#9A9AAF", fontWeight: 500 }}>
                {UPLOAD_FILE_DESCRIPTIONS_MAP[currentQuestion.content.type].title}
              </Typography>
              <Typography
                sx={{
                  color: "#9A9AAF",
                  fontSize: "16px",
                  lineHeight: "19px",
                }}
              >
                {UPLOAD_FILE_DESCRIPTIONS_MAP[currentQuestion.content.type].description}
              </Typography>
            </Box>
          </Box>
        </ButtonBase>
      )}
      <Info
        sx={{ width: "40px", height: "40px" }}
        color={theme.palette.primary.main}
        onClick={() => setModalWarningType(currentQuestion.content.type)}
      />
    </Box>
  );
};