import { PlusOutlined } from "@ant-design/icons";
import { Space } from "antd";
import ArabicPrice from "components/ArabicPrice";
import BackIcon from "components/Icons/BackIcon";
import NextIcon from "components/Icons/NextIcon";
import ImageWithFallback from "components/ImageWithFallback";
import { ItemDescriptionIcons } from "components/ItemDescriptionIcons/ItemDescriptionIcons.tsx";
import ProText from "components/ProText.tsx";
import { menuItems } from "data/menuItems.ts";
import { addItem } from "features/order/orderSlice.ts";
import useBreakPoint from "hooks/useBreakPoint";
import { useEffect, useRef, useState } from "react";
import { useTranslation } from "react-i18next";
import { useAppDispatch, useAppSelector } from "redux/hooks.ts";
import { colors } from "ThemeConstants.ts";
import { default_image } from "utils/constants.ts";
import { Product } from "utils/types/appTypes.ts";
import styles from "./YouMayAlsoLike.module.css";

export default function YouMightAlsoLike() {
  const { t } = useTranslation();
  const dispatch = useAppDispatch();
  const { isRTL } = useAppSelector((state) => state.locale);
  const { isMobile, isTablet, isDesktop } = useBreakPoint();

  const [currentIndex, setCurrentIndex] = useState(0);
  const containerRef = useRef<HTMLDivElement>(null);

  // Check if scrolling is needed based on container width
  const [containerWidth, setContainerWidth] = useState(0);

  useEffect(() => {
    const updateContainerWidth = () => {
      if (containerRef.current) {
        setContainerWidth(containerRef.current.offsetWidth);
      }
    };

    updateContainerWidth();
    window.addEventListener("resize", updateContainerWidth);
    return () => window.removeEventListener("resize", updateContainerWidth);
  }, []);

  // Calculate actual visible items based on container width
  const itemWidth = isMobile ? 95 + 16 : isTablet ? 120 + 16 : 140 + 16;
  const totalItemsWidth = menuItems.length * itemWidth;
  const needsScrolling = totalItemsWidth > containerWidth;

  const canNavigateLeft = currentIndex > 0;
  const canNavigateRight =
    needsScrolling &&
    currentIndex * itemWidth + containerWidth < totalItemsWidth;

  const scrollToIndex = (index: number) => {
    if (containerRef.current) {
      const scrollLeft = isRTL ? -(index * itemWidth) : index * itemWidth;
      containerRef.current.scrollTo({
        left: scrollLeft,
        behavior: "smooth",
      });
    }
  };

  const handlePrevious = () => {
    if (canNavigateLeft) {
      const newIndex = Math.max(0, currentIndex - 1);
      setCurrentIndex(newIndex);
      scrollToIndex(newIndex);
    }
  };

  const handleNext = () => {
    if (canNavigateRight) {
      const maxPossibleIndex = Math.floor(
        (totalItemsWidth - containerWidth) / itemWidth,
      );
      const newIndex = Math.min(maxPossibleIndex, currentIndex + 1);
      setCurrentIndex(newIndex);
      scrollToIndex(newIndex);
    }
  };

  // RTL-specific handlers
  const handleRTLPrevious = () => {
    if (canNavigateRight) {
      const maxPossibleIndex = Math.floor(
        (totalItemsWidth - containerWidth) / itemWidth,
      );
      const newIndex = Math.min(maxPossibleIndex, currentIndex + 1);
      setCurrentIndex(newIndex);
      scrollToIndex(newIndex);
    }
  };

  const handleRTLNext = () => {
    if (canNavigateLeft) {
      const newIndex = Math.max(0, currentIndex - 1);
      setCurrentIndex(newIndex);
      scrollToIndex(newIndex);
    }
  };
  const handleQuickAdd = (item: Product) => {
    dispatch(
      addItem({
        item: {
          id: Number(item.id),
          name: item.name,
          price: item.price,
          image: item.image,
          description: item.description,
          variant: "None",
          isHasLoyalty: item.isHasLoyalty,
          no_of_stamps_give: item.no_of_stamps_give,
        },
        quantity: 1,
      }),
    );
  };

  return (
    <>
      <div className={styles.youMightAlsoLikeTitle} >
        <ProText
          strong
          style={{
            fontSize: isMobile ? 18 : isTablet ? 18 : 20,
          }}
        >
          {t("cart.youMightAlsoLike")}
        </ProText>
      </div>

      <div
        style={{
          position: "relative",
          padding: isTablet || isDesktop ? "0 16px" : "0",
        }}
      >
        {/* Left Arrow - Tablet and Desktop only */}
        {(isTablet || isDesktop) && (
          <button
            className={styles.arrowButton}
            style={{
              position: "absolute",
              left: isRTL ? "auto" : -25,
              right: isRTL ? -25 : "auto",
              top: "25%",
              transform: "translateY(-50%)",
              zIndex: 10,
            }}
            onClick={isRTL ? handleRTLPrevious : handlePrevious}
            aria-label="Previous items"
          >
            {isRTL ? (
              <NextIcon className={styles.arrowIcon} />
            ) : (
              <BackIcon className={styles.arrowIcon} />
            )}
          </button>
        )}

        {/* Right Arrow - Tablet and Desktop only */}
        {(isTablet || isDesktop) && (
          <button
            className={styles.arrowButton}
            style={{
              position: "absolute",
              left: isRTL ? -10 : "auto",
              right: isRTL ? "auto" : -10,
              top: "25%",
              transform: "translateY(-50%)",
              zIndex: 10,
            }}
            onClick={isRTL ? handleRTLNext : handleNext}
            aria-label="Next items"
          >
            {isRTL ? (
              <BackIcon className={styles.arrowIcon} />
            ) : (
              <NextIcon className={styles.arrowIcon} />
            )}
          </button>
        )}

        <div ref={containerRef} className={styles.youMightAlsoLikeContainer}>
          {menuItems.map((item: Product) => (
            <div key={item.id}>
              <div
                style={{
                  display: "flex",
                  flexDirection: "column",
                  alignItems: "center",
                  justifyContent: "space-between",
                  width: isMobile ? "95px" : isTablet ? "120px" : "140px",
                  position: "relative",
                  overflow: "hidden",
                }}
              >
                <div
                  style={{
                    width: isMobile ? 18 : 24,
                    height: isMobile ? 18 : 24,
                    borderRadius: "50%",
                    top: isMobile ? 50 : 80,
                    position: "absolute",
                    [isRTL ? "left" : "right"]: isMobile ? 15 : 20,
                    display: "flex",
                    flexDirection: "row",
                    justifyContent: "center",
                    cursor: "pointer",
                    backgroundColor: "white",
                    zIndex: 999,
                  }}
                >
                  <PlusOutlined
                    onClick={(e) => {
                      e.stopPropagation();
                      handleQuickAdd(item);
                    }}
                    style={{
                      color: colors.primary,
                      fontSize: isMobile ? 14 : 16,
                    }}
                  />
                </div>

                <ImageWithFallback
                  src={item.image}
                  alt={item.name}
                  className={`${styles.popularMenuItemImage} ${
                    isMobile
                      ? styles.popularMenuItemImageMobile
                      : isTablet
                        ? styles.popularMenuItemImageTablet
                        : styles.popularMenuItemImageDesktop
                  }`}
                  width={isMobile ? 73 : isTablet ? 90 : 110}
                  height={isMobile ? 73 : isTablet ? 90 : 110}
                  fallbackSrc={default_image}
                />

                <div
                  style={{
                    display: "flex",
                    flexDirection: "row",
                    justifyContent: "start",
                    marginTop: 5,
                    ...(isRTL ? { marginRight: -20 } : { marginLeft: -10 }),
                  }}
                >
                  <ItemDescriptionIcons
                    className={styles.itemDescriptionIcons}
                  />
                </div>

                <Space
                  direction="vertical"
                  size="small"
                  style={{
                    flex: 1,
                    rowGap: 0,
                  }}
                >
                  <div style={{ height: 25 }}>
                    <ProText
                      style={{
                        whiteSpace: "nowrap",
                        overflow: "hidden",
                        textOverflow: "ellipsis",
                        padding: 3,
                        fontSize: isMobile ? 12 : isTablet ? 14 : 16,
                        width: isMobile ? 80 : isTablet ? 100 : 120,
                        display: "inline-block",
                        fontWeight: 600,
                      }}
                    >
                      {item.name}
                    </ProText>
                  </div>

                  <ArabicPrice
                    price={item.price}
                    style={{
                      margin: 0,
                      WebkitLineClamp: 1,
                      WebkitBoxOrient: "vertical",
                      overflow: "hidden",
                      textOverflow: "ellipsis",
                      padding: 3,
                      fontSize: isMobile ? 12 : isTablet ? 14 : 16,
                      fontWeight: 500,
                    }}
                  />
                </Space>
              </div>
            </div>
          ))}
        </div>
      </div>
    </>
  );
}
