import { AlarmData } from "@/app/(tabs)";
import { ThemedText } from "@/components/themed-text";
import { useAppTheme } from "@/hooks/use-app-theme";
import { formatTimestamp } from "@/services/time_service";
import { Ionicons } from "@expo/vector-icons";
import { useCallback } from "react";
import { FlatList, TouchableOpacity, View } from "react-native";

// ============ Types ============
type AlarmType = "approaching" | "entered" | "fishing";

interface AlarmCardProps {
  alarm: AlarmData;
  onPress?: () => void;
}

// ============ Config ============
const getAlarmConfig = (isDark: boolean) => ({
  entered: {
    icon: "warning" as keyof typeof Ionicons.glyphMap,
    label: "Xâm nhập",
    bgColor: isDark ? "rgba(220, 38, 38, 0.15)" : "#FEF2F2",
    borderColor: isDark ? "rgba(220, 38, 38, 0.3)" : "#FECACA",
    iconBgColor: isDark ? "rgba(220, 38, 38, 0.25)" : "#FEE2E2",
    iconColor: isDark ? "#F87171" : "#DC2626",
    labelColor: isDark ? "#F87171" : "#DC2626",
  },
  approaching: {
    icon: "alert-circle" as keyof typeof Ionicons.glyphMap,
    label: "Tiếp cận",
    bgColor: isDark ? "rgba(217, 119, 6, 0.15)" : "#FFFBEB",
    borderColor: isDark ? "rgba(217, 119, 6, 0.3)" : "#FDE68A",
    iconBgColor: isDark ? "rgba(217, 119, 6, 0.25)" : "#FEF3C7",
    iconColor: isDark ? "#FBBF24" : "#D97706",
    labelColor: isDark ? "#FBBF24" : "#D97706",
  },
  fishing: {
    icon: "fish" as keyof typeof Ionicons.glyphMap,
    label: "Đánh bắt",
    bgColor: isDark ? "rgba(234, 88, 12, 0.15)" : "#FFF7ED",
    borderColor: isDark ? "rgba(234, 88, 12, 0.3)" : "#FED7AA",
    iconBgColor: isDark ? "rgba(234, 88, 12, 0.25)" : "#FFEDD5",
    iconColor: isDark ? "#FB923C" : "#EA580C",
    labelColor: isDark ? "#FB923C" : "#EA580C",
  },
});

// ============ AlarmCard Component ============
const AlarmCard = ({ alarm, onPress }: AlarmCardProps) => {
  const { colors, utils } = useAppTheme();
  const isDark = utils.isDark;
  const alarmConfig = getAlarmConfig(isDark);
  const config = alarmConfig[alarm.type];

  return (
    <TouchableOpacity
      onPress={onPress}
      activeOpacity={0.7}
      style={{
        borderRadius: 16,
        padding: 16,
        backgroundColor: config.bgColor,
        borderWidth: 1,
        borderColor: config.borderColor,
      }}
    >
      <View className="flex-row items-start gap-3">
        {/* Icon Container */}
        <View
          style={{
            width: 48,
            height: 48,
            borderRadius: 12,
            alignItems: "center",
            justifyContent: "center",
            backgroundColor: config.iconBgColor,
          }}
        >
          <Ionicons name={config.icon} size={24} color={config.iconColor} />
        </View>

        {/* Content */}
        <View className="flex-1">
          {/* Header: Ship name + Badge */}
          <View className="flex-row items-center justify-between mb-1">
            <ThemedText
              style={{
                fontSize: 16,
                fontWeight: "700",
                color: colors.text,
                flex: 1,
                marginRight: 8,
              }}
            >
              {alarm.ship_name || alarm.thing_id}
            </ThemedText>
            <View
              style={{
                paddingHorizontal: 8,
                paddingVertical: 4,
                borderRadius: 9999,
                backgroundColor: config.iconBgColor,
              }}
            >
              <ThemedText
                style={{
                  fontSize: 12,
                  fontWeight: "600",
                  color: config.labelColor,
                }}
              >
                {config.label}
              </ThemedText>
            </View>
          </View>

          {/* Zone Info */}
          <ThemedText
            style={{
              fontSize: 12,
              color: colors.textSecondary,
              marginBottom: 8,
            }}
            numberOfLines={2}
          >
            {alarm.zone.message || alarm.zone.zone_name}
          </ThemedText>

          {/* Footer: Zone ID + Time */}
          <View className="flex-row items-center justify-between">
            <View className="flex-row items-center gap-1">
              <Ionicons name="time-outline" size={20} color={colors.icon} />
              <ThemedText
                style={{
                  fontSize: 12,
                  color: colors.textSecondary,
                }}
              >
                {formatTimestamp(alarm.zone.gps_time)}
              </ThemedText>
            </View>
          </View>
        </View>
      </View>
    </TouchableOpacity>
  );
};

// ============ Main Component ============
interface AlarmListProps {
  data: AlarmData[];
  onPress?: (alarm: AlarmData) => void;
}

export default function AlarmList({ data, onPress }: AlarmListProps) {
  const renderItem = useCallback(
    ({ item }: { item: AlarmData }) => (
      <AlarmCard alarm={item} onPress={() => onPress?.(item)} />
    ),
    [onPress]
  );

  const keyExtractor = useCallback(
    (item: AlarmData, index: number) => `${item.thing_id}-${index}`,
    []
  );

  const ItemSeparator = useCallback(() => <View className="h-3" />, []);

  return (
    <FlatList
      data={data}
      renderItem={renderItem}
      keyExtractor={keyExtractor}
      ItemSeparatorComponent={ItemSeparator}
      contentContainerStyle={{ padding: 16 }}
      showsVerticalScrollIndicator={false}
    />
  );
}