import { Button } from "antd";
import { useMemo, useState } from "react";
import { useTranslation } from "react-i18next";
import { ProBottomSheet } from "../ProBottomSheet/ProBottomSheet";
import Picker from "../WheelPicker";

interface DatePickerBottomSheetProps {
  isOpen: boolean;
  onClose: () => void;
  onDateSelect?: (date: { month: string; day: string; year: string }) => void;
  initialDate?: Date;
}

export default function DatePickerBottomSheet({
  isOpen,
  onClose,
  onDateSelect,
  initialDate = new Date(),
}: DatePickerBottomSheetProps) {
  const { t } = useTranslation();

  const [selectedDate, setSelectedDate] = useState({
    month: (initialDate.getMonth() + 1).toString().padStart(2, "0"),
    day: initialDate.getDate().toString().padStart(2, "0"),
    year: initialDate.getFullYear().toString(),
  });

  // Generate picker options
  const pickerOptions = useMemo(() => {
    const months = [
      { value: "01", label: t("common.January") },
      { value: "02", label: t("common.February") },
      { value: "03", label: t("common.March") },
      { value: "04", label: t("common.April") },
      { value: "05", label: t("common.May") },
      { value: "06", label: t("common.June") },
      { value: "07", label: t("common.July") },
      { value: "08", label: t("common.August") },
      { value: "09", label: t("common.September") },
      { value: "10", label: t("common.October") },
      { value: "11", label: t("common.November") },
      { value: "12", label: t("common.December") },
    ];

    const days = Array.from({ length: 31 }, (_, i) => ({
      value: (i + 1).toString().padStart(2, "0"),
      label: (i + 1).toString(),
    }));

    const currentYear = new Date().getFullYear();
    const years = Array.from(
      { length: currentYear - 10 - 1900 + 1 },
      (_, i) => {
        const year = 1900 + i;
        return {
          value: year.toString(),
          label: year.toString(),
        };
      },
    );

    return {
      month: months,
      day: days,
      year: years,
    };
  }, [t]);

  const handleDateChange = (month: string, day: string, year: string) => {
    setSelectedDate((prev) => ({
      ...prev,
      month,
      day,
      year,
    }));
  };

  const handleConfirm = () => {
    onDateSelect?.(selectedDate);
    onClose();
  };

  const handleTouchStart = (e: React.TouchEvent<HTMLDivElement>) => {
    e.stopPropagation();
  };

  const handleTouchMove = (e: React.TouchEvent<HTMLDivElement>) => {
    e.stopPropagation();
  };

  const handleTouchEnd = (e: React.TouchEvent<HTMLDivElement>) => {
    e.stopPropagation();
  };

  const handleMouseDown = (e: React.MouseEvent<HTMLDivElement>) => {
    e.stopPropagation();
  };

  const handleMouseMove = (e: React.MouseEvent<HTMLDivElement>) => {
    e.stopPropagation();
  };

  const handleMouseUp = (e: React.MouseEvent<HTMLDivElement>) => {
    e.stopPropagation();
  };

  const handleWheel = (e: React.WheelEvent<HTMLDivElement>) => {
    e.stopPropagation();
  };

  return (
    <ProBottomSheet
      isOpen={isOpen}
      onClose={onClose}
      title={t("common.pickYourBirthday")}
      height={600}
      snapPoints={[460]}
      showCloseButton={true}
    >
      <div
        style={{
          display: "flex",
          flexDirection: "column",
        }}
        onTouchStart={handleTouchStart}
        onTouchMove={handleTouchMove}
        onTouchEnd={handleTouchEnd}
        onMouseDown={handleMouseDown}
        onMouseMove={handleMouseMove}
        onMouseUp={handleMouseUp}
        onWheel={handleWheel}
      >
        {/* Date Picker */}
        <div
          style={{
            flex: 1,
            display: "flex",
            justifyContent: "center",
            alignItems: "center",
            position: "relative",
          }}
        >
          <Picker
            value={selectedDate}
            onChange={(value) => {
              handleDateChange(value.month, value.day, value.year);
            }}
            width="100%"
            height={250}
            style={{
              position: "relative",
              display: "flex",
              backgroundColor: "var(--secondary-background)",
              overflow: "hidden",
              width: "100%",
              height: 250,
              border: "1px solid var(--border)",
              borderRadius: "8px",
            }}
            aria-selected={false}
          >
            <Picker.Column
              name="month"
              style={{
                flex: 1,
                borderRight: "1px solid var(--border)",
                backgroundColor: "var(--secondary-background)",
              }}
            >
              {pickerOptions.month.map((option) => (
                <Picker.Item key={option.value} value={option.value}>
                  {({ selected }) => (
                    <div
                      style={{
                        fontWeight: selected ? "600" : "400",
                        color: selected
                          ? "var(--foreground)"
                          : "var(--text-color-gray)",
                        fontSize: "16px",
                        padding: "9px 0",
                        textAlign: "center",
                        opacity: selected ? 1 : 0.7,
                        transition: "all 0.2s ease",
                        lineHeight: "1.2",
                        height: 36,
                        width: "100%",
                        backgroundColor: selected
                          ? "var(--background)"
                          : "transparent",
                        borderRadius: selected ? "4px" : "0",
                        margin: selected ? "2px 4px" : "0",
                      }}
                    >
                      {option.label}
                    </div>
                  )}
                </Picker.Item>
              ))}
            </Picker.Column>
            <Picker.Column
              name="day"
              style={{
                flex: 1,
                borderRight: "1px solid var(--border)",
                backgroundColor: "var(--secondary-background)",
              }}
            >
              {pickerOptions.day.map((option) => (
                <Picker.Item key={option.value} value={option.value}>
                  {({ selected }) => (
                    <div
                      style={{
                        fontWeight: selected ? "600" : "400",
                        color: selected
                          ? "var(--foreground)"
                          : "var(--text-color-gray)",
                        fontSize: "16px",
                        padding: "9px 0",
                        textAlign: "center",
                        opacity: selected ? 1 : 0.7,
                        transition: "all 0.2s ease",
                        lineHeight: "1.2",
                        height: 36,
                        width: "100%",
                        backgroundColor: selected
                          ? "var(--background)"
                          : "transparent",
                        borderRadius: selected ? "4px" : "0",
                        margin: selected ? "2px 4px" : "0",
                      }}
                    >
                      {option.label}
                    </div>
                  )}
                </Picker.Item>
              ))}
            </Picker.Column>
            <Picker.Column
              name="year"
              style={{
                flex: 1,
                backgroundColor: "var(--secondary-background)",
              }}
            >
              {pickerOptions.year.map((option) => (
                <Picker.Item key={option.value} value={option.value}>
                  {({ selected }) => (
                    <div
                      style={{
                        fontWeight: selected ? "600" : "400",
                        color: selected
                          ? "var(--foreground)"
                          : "var(--text-color-gray)",
                        fontSize: "16px",
                        padding: "9px 0",
                        textAlign: "center",
                        opacity: selected ? 1 : 0.7,
                        transition: "all 0.2s ease",
                        lineHeight: "1.2",
                        height: 36,
                        width: "100%",
                        backgroundColor: selected
                          ? "var(--background)"
                          : "transparent",
                        borderRadius: selected ? "4px" : "0",
                        margin: selected ? "2px 4px" : "0",
                      }}
                    >
                      {option.label}
                    </div>
                  )}
                </Picker.Item>
              ))}
            </Picker.Column>
          </Picker>
        </div>

        <Button
          type="primary"
          style={{ width: "100%", height: 50, marginTop: 10 }}
          onClick={handleConfirm}
        >
          {t("common.confirm")}
        </Button>
      </div>
    </ProBottomSheet>
  );
}