import { useEffect, useMemo, useState } from "react";
import { Box, RadioGroup, Typography, useTheme } from "@mui/material";

import { VarimgVariant } from "./VarimgVariant";

import { useQuizViewStore } from "@stores/quizView";
import { useRootContainerSize } from "@contexts/RootContainerWidthContext";

import BlankImage from "@icons/BlankImage";

import type { QuizQuestionVarImg } from "@model/questionTypes/varimg";
import moment from "moment";
import { useTranslation } from "react-i18next";

type VarimgProps = {
  currentQuestion: QuizQuestionVarImg;
};

export const Varimg = ({ currentQuestion }: VarimgProps) => {
  const [isSending, setIsSending] = useState<boolean>(false);
  const answers = useQuizViewStore((state) => state.answers);
  const ownVariants = useQuizViewStore((state) => state.ownVariants);
  const updateOwnVariant = useQuizViewStore((state) => state.updateOwnVariant);
  const { t } = useTranslation();

  const theme = useTheme();
  const isMobile = useRootContainerSize() < 650;
  const isTablet = useRootContainerSize() < 850;

  const { answer } = answers.find(({ questionId }) => questionId === currentQuestion.id) ?? {};
  const ownVariant = ownVariants.find((variant) => variant.id === currentQuestion.id);
  const variant = currentQuestion.content.variants.find(({ id }) => answer === id);

  useEffect(() => {
    if (!ownVariant) {
      updateOwnVariant(currentQuestion.id, "");
    }
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, []);

  const choiceImgUrlAnswer = useMemo(() => {
    if (variant !== undefined) {
      if (variant.editedUrlImagesList !== undefined && variant.editedUrlImagesList !== null) {
        return variant.editedUrlImagesList[isMobile ? "mobile" : isTablet ? "tablet" : "desktop"];
      } else {
        return variant.extendedText;
      }
    }
  }, [variant]);

  const choiceImgUrlQuestion = useMemo(() => {
    if (
      currentQuestion.content.editedUrlImagesList !== undefined &&
      currentQuestion.content.editedUrlImagesList !== null
    ) {
      return currentQuestion.content.editedUrlImagesList[isMobile ? "mobile" : isTablet ? "tablet" : "desktop"];
    } else {
      return currentQuestion.content.back;
    }
  }, [variant]);
  if (moment.isMoment(answer)) throw new Error("Answer is Moment in Variant question");

  return (
    <Box>
      <Typography
        variant="h5"
        color={theme.palette.text.primary}
        sx={{ wordBreak: "break-word" }}
      >
        {currentQuestion.title}
      </Typography>
      <Box
        sx={{
          display: "flex",
          marginTop: "20px",
          flexDirection: isMobile ? "column-reverse" : undefined,
          gap: "30px",
          alignItems: isMobile ? "center" : undefined,
        }}
      >
        <RadioGroup
          name={currentQuestion.id}
          value={currentQuestion.content.variants.findIndex(({ id }) => answer === id)}
          sx={{
            display: "flex",
            flexWrap: "wrap",
            flexDirection: "row",
            justifyContent: "space-between",
            flexBasis: "100%",
            width: isMobile ? "100%" : undefined,
          }}
        >
          <Box
            sx={{
              display: "flex",
              flexDirection: "column",
              width: "100%",
              gap: "20px",
              "&:focus": { color: theme.palette.text.primary },
              "&:active": { color: theme.palette.text.primary },
            }}
          >
            {currentQuestion.content.variants
              .filter((v) => {
                if (!v.isOwn) return true;
                return v.isOwn && currentQuestion.content.own;
              })
              .map((variant, index) => (
                <VarimgVariant
                  key={variant.id}
                  questionId={currentQuestion.id}
                  variant={variant}
                  isSending={isSending}
                  setIsSending={setIsSending}
                  index={index}
                  questionLargeCheck={currentQuestion.content.largeCheck}
                  ownPlaceholder={currentQuestion.content?.ownPlaceholder || ""}
                  isMulti={Boolean(currentQuestion.content?.multi)}
                  answer={answer}
                />
              ))}
          </Box>
        </RadioGroup>
        <Box
          sx={{
            maxWidth: "450px",
            width: "100%",
            height: "450px",
            border: "1px solid #9A9AAF",
            borderRadius: "12px",
            overflow: "hidden",
            display: "flex",
            alignItems: "center",
            justifyContent: "center",
            backgroundColor: "#9A9AAF30",
            color: theme.palette.text.primary,
            textAlign: "center",
          }}
          onClick={(event) => event.preventDefault()}
        >
          {answer ? (
            choiceImgUrlAnswer ? (
              <img
                key={choiceImgUrlAnswer}
                src={choiceImgUrlAnswer}
                style={{ width: "100%", height: "100%", objectFit: "cover" }}
                alt=""
              />
            ) : (
              <BlankImage />
            )
          ) : choiceImgUrlQuestion !== " " && choiceImgUrlQuestion !== null && choiceImgUrlQuestion.length > 0 ? (
            <img
              src={choiceImgUrlQuestion}
              style={{ width: "100%", height: "100%", objectFit: "cover" }}
              alt=""
            />
          ) : currentQuestion.content.replText !== " " && currentQuestion.content.replText.length > 0 ? (
            currentQuestion.content.replText
          ) : variant?.extendedText || isMobile ? (
            t("Select an answer option below")
          ) : (
            t("Select an answer option on the left")
          )}
        </Box>
      </Box>
    </Box>
  );
};