import { useTranslation } from "react-i18next";
import {
  Box,
  Typography,
  Button,
  Skeleton,
  IconButton,
  useTheme,
} from "@mui/material";
import {
  LocationOnOutlined,
  RefreshOutlined,
  VisibilityOutlined,
  VisibilityOffOutlined,
} from "@mui/icons-material";
import { EnhancedCard } from "./enhanced-card";
import { getIpInfo } from "@/services/api";
import { useState, useEffect, useCallback } from "react";

// 定义刷新时间（秒）
const IP_REFRESH_SECONDS = 300;

// IP信息卡片组件
export const IpInfoCard = () => {
  const { t } = useTranslation();
  const theme = useTheme();
  const [ipInfo, setIpInfo] = useState<any>(null);
  const [loading, setLoading] = useState(true);
  const [error, setError] = useState("");
  const [showIp, setShowIp] = useState(false);
  const [countdown, setCountdown] = useState(IP_REFRESH_SECONDS);

  // 获取IP信息
  const fetchIpInfo = useCallback(async () => {
    try {
      setLoading(true);
      setError("");
      const data = await getIpInfo();
      setIpInfo(data);
      setCountdown(IP_REFRESH_SECONDS);
    } catch (err: any) {
      setError(err.message || t("Failed to get IP info"));
    } finally {
      setLoading(false);
    }
  }, [t]);

  // 组件加载时获取IP信息
  useEffect(() => {
    fetchIpInfo();
  }, [fetchIpInfo]);

  // 倒计时自动刷新
  useEffect(() => {
    const timer = setInterval(() => {
      setCountdown((prev) => {
        if (prev <= 1) {
          fetchIpInfo();
          return IP_REFRESH_SECONDS;
        }
        return prev - 1;
      });
    }, 1000);

    return () => clearInterval(timer);
  }, [fetchIpInfo]);

  // 刷新按钮点击处理
  const handleRefresh = () => {
    fetchIpInfo();
  };

  // 切换显示/隐藏IP
  const toggleShowIp = () => {
    setShowIp(!showIp);
  };

  // 获取国旗表情
  const getCountryFlag = (countryCode: string) => {
    if (!countryCode) return "";
    const codePoints = countryCode
      .toUpperCase()
      .split("")
      .map((char) => 127397 + char.charCodeAt(0));
    return String.fromCodePoint(...codePoints);
  };

  // 信息项组件 - 默认不换行，但在需要时可以换行
  const InfoItem = ({ label, value }: { label: string; value: string }) => (
    <Box sx={{ mb: 0.7, display: "flex", alignItems: "flex-start" }}>
      <Typography
        variant="body2"
        color="text.secondary"
        sx={{
          minwidth: 60,
          mr: 0.5,
          flexShrink: 0,
          textAlign: "right",
        }}
      >
        {label}:
      </Typography>
      <Typography
        variant="body2"
        sx={{
          ml: 0.5,
          overflow: "hidden",
          textOverflow: "ellipsis",
          wordBreak: "break-word",
          whiteSpace: "normal",
          flexGrow: 1, // 让内容占用剩余空间
        }}
      >
        {value || t("Unknown")}
      </Typography>
    </Box>
  );

  return (
    <EnhancedCard
      title={t("IP Information")}
      icon={<LocationOnOutlined />}
      iconColor="info"
      action={
        <IconButton size="small" onClick={handleRefresh} disabled={loading}>
          <RefreshOutlined />
        </IconButton>
      }
    >
      <Box sx={{ height: "100%", display: "flex", flexDirection: "column" }}>
        {loading ? (
          <Box sx={{ display: "flex", flexDirection: "column", gap: 1 }}>
            <Skeleton variant="text" width="60%" height={34} />
            <Skeleton variant="text" width="80%" height={24} />
            <Skeleton variant="text" width="70%" height={24} />
            <Skeleton variant="text" width="50%" height={24} />
          </Box>
        ) : error ? (
          <Box
            sx={{
              display: "flex",
              flexDirection: "column",
              alignItems: "center",
              justifyContent: "center",
              height: "100%",
              color: "error.main",
            }}
          >
            <Typography variant="body1" color="error">
              {error}
            </Typography>
            <Button onClick={handleRefresh} sx={{ mt: 2 }}>
              {t("Retry")}
            </Button>
          </Box>
        ) : (
          <>
            <Box
              sx={{
                display: "flex",
                flexDirection: "row",
                flex: 1,
                overflow: "hidden",
              }}
            >
              {/* 左侧：国家和IP地址 */}
              <Box sx={{ width: "40%", overflow: "hidden" }}>
                <Box
                  sx={{
                    display: "flex",
                    alignItems: "center",
                    mb: 1,
                    overflow: "hidden",
                  }}
                >
                  <Box
                    component="span"
                    sx={{
                      fontSize: "1.5rem",
                      mr: 1,
                      display: "inline-block",
                      width: 28,
                      textAlign: "center",
                      flexShrink: 0,
                    }}
                  >
                    {getCountryFlag(ipInfo?.country_code)}
                  </Box>
                  <Typography
                    variant="subtitle1"
                    sx={{
                      fontWeight: "medium",
                      overflow: "hidden",
                      textOverflow: "ellipsis",
                      whiteSpace: "nowrap",
                      maxWidth: "100%",
                    }}
                  >
                    {ipInfo?.country || t("Unknown")}
                  </Typography>
                </Box>

                <Box sx={{ display: "flex", alignItems: "center", mb: 1 }}>
                  <Typography
                    variant="body2"
                    color="text.secondary"
                    sx={{ flexShrink: 0 }}
                  >
                    {t("IP")}:
                  </Typography>
                  <Box
                    sx={{
                      display: "flex",
                      alignItems: "center",
                      ml: 1,
                      overflow: "hidden",
                      maxWidth: "calc(100% - 30px)",
                    }}
                  >
                    <Typography
                      variant="body2"
                      sx={{
                        fontFamily: "monospace",
                        fontSize: "0.75rem",
                        overflow: "hidden",
                        textOverflow: "ellipsis",
                        wordBreak: "break-all",
                      }}
                    >
                      {showIp ? ipInfo?.ip : "••••••••••"}
                    </Typography>
                    <IconButton size="small" onClick={toggleShowIp}>
                      {showIp ? (
                        <VisibilityOffOutlined fontSize="small" />
                      ) : (
                        <VisibilityOutlined fontSize="small" />
                      )}
                    </IconButton>
                  </Box>
                </Box>

                <InfoItem
                  label={t("ASN")}
                  value={ipInfo?.asn ? `AS${ipInfo.asn}` : "N/A"}
                />
              </Box>

              {/* 右侧：组织、ISP和位置信息 */}
              <Box sx={{ width: "60%", overflow: "auto" }}>
                <InfoItem label={t("ISP")} value={ipInfo?.isp} />

                <InfoItem label={t("ORG")} value={ipInfo?.asn_organization} />

                <InfoItem
                  label={t("Location")}
                  value={[ipInfo?.city, ipInfo?.region]
                    .filter(Boolean)
                    .join(", ")}
                />

                <InfoItem label={t("Timezone")} value={ipInfo?.timezone} />
              </Box>
            </Box>

            <Box
              sx={{
                mt: "auto",
                pt: 0.5,
                borderTop: 1,
                borderColor: "divider",
                display: "flex",
                justifyContent: "space-between",
                alignItems: "center",
                opacity: 0.7,
                fontSize: "0.7rem",
              }}
            >
              <Typography variant="caption">
                {t("Auto refresh")}: {countdown}s
              </Typography>
              <Typography
                variant="caption"
                sx={{
                  textOverflow: "ellipsis",
                  overflow: "hidden",
                  whiteSpace: "nowrap",
                }}
              >
                {ipInfo?.country_code}, {ipInfo?.longitude?.toFixed(2)},{" "}
                {ipInfo?.latitude?.toFixed(2)}
              </Typography>
            </Box>
          </>
        )}
      </Box>
    </EnhancedCard>
  );
};