import { BaseDialog, Switch } from "@/components/base";
import { useClashInfo } from "@/hooks/use-clash";
import { useVerge } from "@/hooks/use-verge";
import { showNotice } from "@/services/noticeService";
import getSystem from "@/utils/get-system";
import { Shuffle } from "@mui/icons-material";
import {
  CircularProgress,
  IconButton,
  List,
  ListItem,
  ListItemText,
  Stack,
  TextField
} from "@mui/material";
import { useLockFn, useRequest } from "ahooks";
import { forwardRef, useImperativeHandle, useState } from "react";
import { useTranslation } from "react-i18next";

const OS = getSystem();

interface ClashPortViewerProps {}

interface ClashPortViewerRef {
  open: () => void;
  close: () => void;
}

const generateRandomPort = () => Math.floor(Math.random() * (65535 - 1025 + 1)) + 1025;

export const ClashPortViewer = forwardRef<ClashPortViewerRef, ClashPortViewerProps>(
  (props, ref) => {
    const { t } = useTranslation();
    const { clashInfo, patchInfo } = useClashInfo();
    const { verge, patchVerge } = useVerge();
    const [open, setOpen] = useState(false);

    // Mixed Port
    const [mixedPort, setMixedPort] = useState(
      verge?.verge_mixed_port ?? clashInfo?.mixed_port ?? 7897
    );

    // 其他端口状态
    const [socksPort, setSocksPort] = useState(verge?.verge_socks_port ?? 7898);
    const [socksEnabled, setSocksEnabled] = useState(verge?.verge_socks_enabled ?? false);
    const [httpPort, setHttpPort] = useState(verge?.verge_port ?? 7899);
    const [httpEnabled, setHttpEnabled] = useState(verge?.verge_http_enabled ?? false);
    const [redirPort, setRedirPort] = useState(verge?.verge_redir_port ?? 7895);
    const [redirEnabled, setRedirEnabled] = useState(verge?.verge_redir_enabled ?? false);
    const [tproxyPort, setTproxyPort] = useState(verge?.verge_tproxy_port ?? 7896);
    const [tproxyEnabled, setTproxyEnabled] = useState(verge?.verge_tproxy_enabled ?? false);

    // 添加保存请求，防止GUI卡死
    const { loading, run: saveSettings } = useRequest(
      async (params: {
        clashConfig: any;
        vergeConfig: any;
      }) => {
        const { clashConfig, vergeConfig } = params;
        await Promise.all([
          patchInfo(clashConfig),
          patchVerge(vergeConfig)
        ]);
      },
      {
        manual: true,
        onSuccess: () => {
          setOpen(false);
          showNotice("success", t("Port settings saved")); // 调用提示函数
        },
        onError: () => {
          showNotice("error", t("Failed to save settings")); // 调用提示函数
        }
      }
    );

    useImperativeHandle(ref, () => ({
      open: () => {
        setMixedPort(verge?.verge_mixed_port ?? clashInfo?.mixed_port ?? 7897);
        setSocksPort(verge?.verge_socks_port ?? 7898);
        setSocksEnabled(verge?.verge_socks_enabled ?? false);
        setHttpPort(verge?.verge_port ?? 7899);
        setHttpEnabled(verge?.verge_http_enabled ?? false);
        setRedirPort(verge?.verge_redir_port ?? 7895);
        setRedirEnabled(verge?.verge_redir_enabled ?? false);
        setTproxyPort(verge?.verge_tproxy_port ?? 7896);
        setTproxyEnabled(verge?.verge_tproxy_enabled ?? false);
        setOpen( true);
      },
      close: () => setOpen(false),
    }));

    const onSave = useLockFn(async () => {
      // 端口冲突检测
      const portList = [
        mixedPort,
        socksEnabled ? socksPort : -1,
        httpEnabled ? httpPort : -1,
        redirEnabled ? redirPort : -1,
        tproxyEnabled ? tproxyPort : -1
      ].filter(p => p !== -1);

      if (new Set(portList).size !== portList.length) {
        return;
      }

      // 验证端口范围
      const isValidPort = (port: number) => port >= 1 && port <= 65535;
      const allPortsValid = [
        mixedPort,
        socksEnabled ? socksPort : 0,
        httpEnabled ? httpPort : 0,
        redirEnabled ? redirPort : 0,
        tproxyEnabled ? tproxyPort : 0
      ].every(port => port === 0 || isValidPort(port));

      if (!allPortsValid) {
        return;
      }

      // 准备配置数据
      const clashConfig = {
        "mixed-port": mixedPort,
        "socks-port": socksPort,
        port: httpPort,
        "redir-port": redirPort,
        "tproxy-port": tproxyPort
      };

      const vergeConfig = {
        verge_mixed_port: mixedPort,
        verge_socks_port: socksPort,
        verge_socks_enabled: socksEnabled,
        verge_port: httpPort,
        verge_http_enabled: httpEnabled,
        verge_redir_port: redirPort,
        verge_redir_enabled: redirEnabled,
        verge_tproxy_port: tproxyPort,
        verge_tproxy_enabled: tproxyEnabled
      };

      // 提交保存请求
      await saveSettings({ clashConfig, vergeConfig });
    });

    // 优化的数字输入处理
    const handleNumericChange = (setter: (value: number) => void) => (e: React.ChangeEvent<HTMLInputElement>) => {
      const value = e.target.value.replace(/\D+/, '');
      if (value === '') {
        setter(0);
        return;
      }

      const num = parseInt(value, 10);
      if (!isNaN(num) && num >= 0 && num <= 65535) {
        setter(num);
      }
    };

    return (
      <BaseDialog
        open={open}
        title={t("Port Configuration")}
        contentSx={{
          width: 400
        }}
        okBtn={
          loading ? (
            <Stack direction="row" alignItems="center" spacing={1}>
              <CircularProgress size={20} />
              {t("Saving...")}
            </Stack>
          ) : t("Save")
        }
        cancelBtn={t("Cancel")}
        onClose={() => setOpen(false)}
        onCancel={() => setOpen(false)}
        onOk={onSave}
      >
        <List sx={{ width: "100%" }}>
          <ListItem sx={{ padding: "4px 0", minHeight: 36 }}>
            <ListItemText
              primary={t("Mixed Port")}
              primaryTypographyProps={{ fontSize: 12 }}
            />
            <div style={{ display: "flex", alignItems: "center" }}>
              <TextField
                size="small"
                sx={{ width: 80, mr: 0.5, fontSize: 12 }}
                value={mixedPort}
                onChange={(e) => setMixedPort(+e.target.value?.replace(/\D+/, "").slice(0, 5))}
                inputProps={{ style: { fontSize: 12 } }}
              />
              <IconButton
                size="small"
                onClick={() => setMixedPort(generateRandomPort())}
                title={t("Random Port")}
                sx={{ mr: 0.5 }}
              >
                <Shuffle fontSize="small" />
              </IconButton>
              <Switch
                size="small"
                checked={true}
                disabled={true}
                sx={{ ml: 0.5, opacity: 0.7 }}
              />
            </div>
          </ListItem>

          <ListItem sx={{ padding: "4px 0", minHeight: 36 }}>
            <ListItemText
              primary={t("Socks Port")}
              primaryTypographyProps={{ fontSize: 12 }}
            />
            <div style={{ display: "flex", alignItems: "center" }}>
              <TextField
                size="small"
                sx={{ width: 80, mr: 0.5, fontSize: 12 }}
                value={socksPort}
                onChange={(e) => setSocksPort(+e.target.value?.replace(/\D+/, "").slice(0, 5))}
                disabled={!socksEnabled}
                inputProps={{ style: { fontSize: 12 } }}
              />
              <IconButton
                size="small"
                onClick={() => setSocksPort(generateRandomPort())}
                title={t("Random Port")}
                disabled={!socksEnabled}
                sx={{ mr: 0.5 }}
              >
                <Shuffle fontSize="small" />
              </IconButton>
              <Switch
                size="small"
                checked={socksEnabled}
                onChange={(_, c) => setSocksEnabled(c)}
                sx={{ ml: 0.5 }}
              />
            </div>
          </ListItem>

          <ListItem sx={{ padding: "4px 0", minHeight: 36 }}>
            <ListItemText
              primary={t("HTTP Port")}
              primaryTypographyProps={{ fontSize: 12 }}
            />
            <div style={{ display: "flex", alignItems: "center" }}>
              <TextField
                size="small"
                sx={{ width: 80, mr: 0.5, fontSize: 12 }}
                value={httpPort}
                onChange={(e) => setHttpPort(+e.target.value?.replace(/\D+/, "").slice(0, 5))}
                disabled={!httpEnabled}
                inputProps={{ style: { fontSize: 12 } }}
              />
              <IconButton
                size="small"
                onClick={() => setHttpPort(generateRandomPort())}
                title={t("Random Port")}
                disabled={!httpEnabled}
                sx={{ mr: 0.5 }}
              >
                <Shuffle fontSize="small" />
              </IconButton>
              <Switch
                size="small"
                checked={httpEnabled}
                onChange={(_, c) => setHttpEnabled(c)}
                sx={{ ml: 0.5 }}
              />
            </div>
          </ListItem>

          {OS !== "windows" && (
            <ListItem sx={{ padding: "4px 0", minHeight: 36 }}>
              <ListItemText
                primary={t("Redir Port")}
                primaryTypographyProps={{ fontSize: 12 }}
              />
              <div style={{ display: "flex", alignItems: "center" }}>
                <TextField
                  size="small"
                  sx={{ width: 80, mr: 0.5, fontSize: 12 }}
                  value={redirPort}
                  onChange={(e) => setRedirPort(+e.target.value?.replace(/\D+/, "").slice(0, 5))}
                  disabled={!redirEnabled}
                  inputProps={{ style: { fontSize: 12 } }}
                />
                <IconButton
                  size="small"
                  onClick={() => setRedirPort(generateRandomPort())}
                  title={t("Random Port")}
                  disabled={!redirEnabled}
                  sx={{ mr: 0.5 }}
                >
                  <Shuffle fontSize="small" />
                </IconButton>
                <Switch
                  size="small"
                  checked={redirEnabled}
                  onChange={(_, c) => setRedirEnabled(c)}
                  sx={{ ml: 0.5 }}
                />
              </div>
            </ListItem>
          )}

          {OS === "linux" && (
            <ListItem sx={{ padding: "4px 0", minHeight: 36 }}>
              <ListItemText
                primary={t("Tproxy Port")}
                primaryTypographyProps={{ fontSize: 12 }}
              />
              <div style={{ display: "flex", alignItems: "center" }}>
                <TextField
                  size="small"
                  sx={{ width: 80, mr: 0.5, fontSize: 12 }}
                  value={tproxyPort}
                  onChange={(e) => setTproxyPort(+e.target.value?.replace(/\D+/, "").slice(0, 5))}
                  disabled={!tproxyEnabled}
                  inputProps={{ style: { fontSize: 12 } }}
                />
                <IconButton
                  size="small"
                  onClick={() => setTproxyPort(generateRandomPort())}
                  title={t("Random Port")}
                  disabled={!tproxyEnabled}
                  sx={{ mr: 0.5 }}
                >
                  <Shuffle fontSize="small" />
                </IconButton>
                <Switch
                  size="small"
                  checked={tproxyEnabled}
                  onChange={(_, c) => setTproxyEnabled(c)}
                  sx={{ ml: 0.5 }}
                />
              </div>
            </ListItem>
          )}
        </List>
      </BaseDialog>
    );
  }
);