import DateTimePicker, {
  type DateTimePickerEvent,
} from "@react-native-community/datetimepicker";
import { Ionicons } from "@expo/vector-icons";
import { useState } from "react";
import {
  Modal,
  Platform,
  Pressable,
  StyleSheet,
  Text,
  View,
  type StyleProp,
  type ViewStyle,
} from "react-native";

import { fonts, radii } from "@/constants/theme";
import { useAppTheme } from "@/contexts/ThemeContext";
import { formatShortDate } from "@/lib/format";

type CompactDateFieldProps = {
  value: Date;
  onChange: (date: Date) => void;
  style?: StyleProp<ViewStyle>;
  maximumDate?: Date;
  minimumDate?: Date;
};

export function CompactDateField({
  value,
  onChange,
  style,
  maximumDate = new Date(2100, 0, 1),
  minimumDate,
}: CompactDateFieldProps) {
  const { colors, isDark } = useAppTheme();
  const [open, setOpen] = useState(false);
  const [draft, setDraft] = useState(value);

  function applyDate(next: Date) {
    const clamped =
      next.getTime() > maximumDate.getTime()
        ? maximumDate
        : minimumDate && next.getTime() < minimumDate.getTime()
          ? minimumDate
          : next;
    onChange(clamped);
  }

  function handleChange(event: DateTimePickerEvent, selected?: Date) {
    if (Platform.OS === "android") {
      setOpen(false);
      if (event.type === "set" && selected) applyDate(selected);
      return;
    }
    if (selected) setDraft(selected);
  }

  return (
    <>
      <Pressable
        accessibilityRole="button"
        accessibilityLabel="Change date"
        onPress={() => {
          setDraft(value);
          setOpen(true);
        }}
        style={({ pressed }) => [
          styles.trigger,
          {
            borderColor: colors.border,
            backgroundColor: colors.cardGlass,
          },
          pressed && styles.pressed,
          style,
        ]}
      >
        <Text style={[styles.value, { color: colors.foreground }]} numberOfLines={1}>
          {formatShortDate(value)}
        </Text>
        <Ionicons name="chevron-down" size={12} color={colors.mutedForeground} />
      </Pressable>

      {Platform.OS === "ios" ? (
        <Modal visible={open} transparent animationType="slide" onRequestClose={() => setOpen(false)}>
          <Pressable style={styles.backdrop} onPress={() => setOpen(false)}>
            <Pressable
              style={[styles.sheet, { backgroundColor: colors.card }]}
              onPress={(event) => event.stopPropagation()}
            >
              <View style={[styles.sheetHeader, { borderBottomColor: colors.border }]}>
                <Pressable onPress={() => setOpen(false)}>
                  <Text style={[styles.action, { color: colors.mutedForeground }]}>Cancel</Text>
                </Pressable>
                <Text style={[styles.sheetTitle, { color: colors.foreground }]}>Date</Text>
                <Pressable
                  onPress={() => {
                    applyDate(draft);
                    setOpen(false);
                  }}
                >
                  <Text style={[styles.action, { color: colors.primary }]}>Done</Text>
                </Pressable>
              </View>
              <DateTimePicker
                value={draft}
                mode="date"
                display="spinner"
                maximumDate={maximumDate}
                minimumDate={minimumDate}
                themeVariant={isDark ? "dark" : "light"}
                onChange={handleChange}
              />
            </Pressable>
          </Pressable>
        </Modal>
      ) : open ? (
        <DateTimePicker
          value={draft}
          mode="date"
          maximumDate={maximumDate}
          minimumDate={minimumDate}
          onChange={handleChange}
        />
      ) : null}
    </>
  );
}

const styles = StyleSheet.create({
  trigger: {
    minHeight: 36,
    borderWidth: 1,
    borderRadius: radii.md,
    flexDirection: "row",
    alignItems: "center",
    justifyContent: "space-between",
    paddingHorizontal: 8,
    gap: 2,
  },
  pressed: {
    opacity: 0.9,
  },
  value: {
    flex: 1,
    fontFamily: fonts.body,
    fontSize: 12,
  },
  backdrop: {
    flex: 1,
    justifyContent: "flex-end",
    backgroundColor: "rgba(0,0,0,0.45)",
  },
  sheet: {
    borderTopLeftRadius: radii.lg,
    borderTopRightRadius: radii.lg,
  },
  sheetHeader: {
    flexDirection: "row",
    alignItems: "center",
    justifyContent: "space-between",
    paddingHorizontal: 16,
    paddingVertical: 12,
    borderBottomWidth: 1,
  },
  sheetTitle: {
    fontFamily: fonts.bodySemiBold,
    fontSize: 15,
  },
  action: {
    fontFamily: fonts.bodyMedium,
    fontSize: 15,
  },
});