import {Box, Typography, ButtonBase, useTheme, IconButton} from "@mui/material";
import { useQuizViewStore, updateAnswer } from "@root/quizView";
import { UPLOAD_FILE_TYPES_MAP } from "@ui_kit/QuizPreview/QuizPreviewQuestionTypes/File";

import UploadIcon from "@icons/UploadIcon";
import X from "@icons/CloseBold";
import type { ChangeEvent } from "react";
import type { QuizQuestionFile } from "../../../model/questionTypes/file";
import {DragEvent} from "react";

type FileProps = {
  currentQuestion: QuizQuestionFile;
};

export const File = ({ currentQuestion }: FileProps) => {
  const { answers } = useQuizViewStore();
  const answer = answers.find(
    ({ questionId }) => questionId === currentQuestion.content.id
  )?.answer as string;
    const theme = useTheme();
  const uploadFile = ({ target }: ChangeEvent<HTMLInputElement>) => {
    const file = target.files?.[0];

    if (file) {
      updateAnswer(
        currentQuestion.content.id,
        `${file.name}|${URL.createObjectURL(file)}`
      );
    }
  };

  return (
    <Box>
      <Typography variant="h5">{currentQuestion.title}</Typography>
      <Box
        sx={{
          display: "flex",
          flexDirection: "column",
          width: "100%",
          marginTop: "20px",
          maxWidth: answer?.split("|")[0] ? "640px" : "550px"
        }}
      >
          {answer?.split("|")[0] && (
              <Box sx={{display: "flex", alignItems: "center", gap: "15px"}}>
                  <Typography>Вы загрузили:</Typography>
                  <Box sx={{padding: "5px 5px 5px 16px", backgroundColor: theme.palette.brightPurple.main,
                      borderRadius: "8px",
                      color: "#FFFFFF",
                      display: "flex",
                      alignItems: "center",
                      gap: "15px"
                  }}>
                      <Typography>
                          {answer?.split("|")[0]}
                      </Typography>
                      <IconButton
                          sx={{p: 0}}
                          onClick={() => {updateAnswer(currentQuestion.content.id, "");}}
                      >
                          <X/>
                      </IconButton>
                  </Box>

              </Box>

          )}

          {!answer?.split("|")[0] && (
              <ButtonBase component="label" sx={{ justifyContent: "flex-start" }}>
                  <input
                      onChange={uploadFile}
                      hidden
                      accept={UPLOAD_FILE_TYPES_MAP[currentQuestion.content.type]}
                      multiple
                      type="file"
                  />
                  <Box
                      onDragOver={(event: DragEvent<HTMLDivElement>) => event.preventDefault()}
                      sx={{
                          width: "100%",
                          height: "120px",
                          display: "flex",
                          justifyContent: "space-between",
                          alignItems: "center",
                          padding: "33px 44px 33px 55px",
                          backgroundColor: theme.palette.background.default,
                          border: `1px solid ${theme.palette.grey2.main}`,
                          borderRadius: "8px",
                      }}
                  >
                      <UploadIcon />
                      <Box>
                          <Typography
                              sx={{
                                  color: theme.palette.grey2.main,
                                  fontWeight: 500
                              }}
                          >Добавить видео</Typography>
                          <Typography
                              sx={{
                                  color: theme.palette.grey2.main,
                                  fontSize: "16px",
                                  lineHeight: "19px",
                              }}
                          >
                              Принимает .mp4 и .mov формат — максимум 100мб
                          </Typography>
                      </Box>

                  </Box>
              </ButtonBase>
          )}
          {answer && currentQuestion.content.type === "picture" && (
          <img
            src={answer.split("|")[1]}
            alt=""
            style={{
              marginTop: "15px",
              maxWidth: "300px",
              maxHeight: "300px",
            }}
          />
        )}
        {answer && currentQuestion.content.type === "video" && (
          <video
            src={answer.split("|")[1]}
            style={{
              marginTop: "15px",
              maxWidth: "300px",
              maxHeight: "300px",
              objectFit: "cover",
            }}
          />
        )}
      </Box>
    </Box>
  );
};