"use client";

import React, { useState } from "react";
import {
  Box,
  Drawer,
  Tabs,
  Tab,
  Typography,
  IconButton,
  Tooltip,
} from "@mui/material";
import {
  ChevronRight,
  ChevronLeft,
  Analytics as AnalyticsIcon,
  Search as SearchIcon,
} from "@mui/icons-material";
import { MdCleaningServices } from "react-icons/md";
import AnalysisParameters from "./AnalysisParameters";
import SchemeQuery from "./SchemeQuery";

interface TabPanelProps {
  children?: React.ReactNode;
  index: number;
  value: number;
}

const TabPanel: React.FC<TabPanelProps> = ({ children, value, index }) => {
  return (
    <div
      role="tabpanel"
      hidden={value !== index}
      className="flex-1 overflow-hidden flex flex-col"
    >
      {value === index && (
        <Box className="flex-1 overflow-auto p-4">{children}</Box>
      )}
    </div>
  );
};

interface FlushingAnalysisPanelProps {
  open?: boolean;
  onToggle?: () => void;
}

const FlushingAnalysisPanel: React.FC<FlushingAnalysisPanelProps> = ({
  open: controlledOpen,
  onToggle,
}) => {
  const [internalOpen, setInternalOpen] = useState(true);
  const [currentTab, setCurrentTab] = useState(0);

  // Using controlled or uncontrolled state
  const isOpen = controlledOpen !== undefined ? controlledOpen : internalOpen;
  const handleToggle = () => {
    if (onToggle) {
      onToggle();
    } else {
      setInternalOpen(!internalOpen);
    }
  };

  const handleTabChange = (_event: React.SyntheticEvent, newValue: number) => {
    setCurrentTab(newValue);
  };

  const drawerWidth = 450; // Slightly narrower than burst analysis as we have fewer tabs
  const panelTitle = "管道冲洗分析";

  return (
    <>
      {/* Toggle Button when closed */}
      {!isOpen && (
        <Box
          className="absolute top-4 right-4 bg-white shadow-2xl rounded-lg cursor-pointer hover:shadow-xl transition-all duration-300 opacity-95 hover:opacity-100"
          onClick={handleToggle}
          sx={{ zIndex: 1300 }}
        >
          <Box className="flex flex-col items-center py-3 px-3 gap-1">
            <MdCleaningServices className="text-[#257DD4] w-5 h-5" />
            <Typography
              variant="caption"
              className="text-gray-700 font-semibold my-1 text-xs"
              style={{ writingMode: "vertical-rl" }}
            >
              {panelTitle}
            </Typography>
            <ChevronLeft className="text-gray-600 w-4 h-4" />
          </Box>
        </Box>
      )}

      {/* Main Panel */}
      <Drawer
        anchor="right"
        open={isOpen}
        variant="persistent"
        hideBackdrop
        sx={{
          width: 0,
          flexShrink: 0,
          "& .MuiDrawer-paper": {
            width: drawerWidth,
            boxSizing: "border-box",
            position: "absolute",
            top: 16,
            right: 16,
            height: "calc(100vh - 32px)",
            maxHeight: "850px",
            borderRadius: "12px",
            boxShadow:
              "0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04)",
            backdropFilter: "blur(8px)",
            opacity: 0.95,
            transition: "transform 0.3s ease-in-out, opacity 0.3s ease-in-out",
            border: "none",
            "&:hover": {
              opacity: 1,
            },
          },
        }}
      >
        <Box className="flex flex-col h-full bg-white rounded-xl overflow-hidden">
          {/* Header */}
          <Box className="flex items-center justify-between px-5 py-4 bg-[#257DD4] text-white">
            <Box className="flex items-center gap-2">
              <MdCleaningServices className="w-5 h-5" />
              <Typography variant="h6" className="text-lg font-semibold">
                {panelTitle}
              </Typography>
            </Box>
            <Tooltip title="收起">
              <IconButton
                size="small"
                onClick={handleToggle}
                sx={{ color: "primary.contrastText" }}
              >
                <ChevronRight fontSize="small" />
              </IconButton>
            </Tooltip>
          </Box>

          <Box className="border-b border-gray-200 bg-white">
            <Tabs
              value={currentTab}
              onChange={handleTabChange}
              variant="fullWidth"
              sx={{
                minHeight: 48,
                "& .MuiTab-root": {
                  minHeight: 48,
                  textTransform: "none",
                  fontSize: "0.875rem",
                  fontWeight: 500,
                  transition: "all 0.2s",
                },
                "& .Mui-selected": {
                  color: "#257DD4",
                },
                "& .MuiTabs-indicator": {
                  backgroundColor: "#257DD4",
                },
              }}
            >
              <Tab
                icon={<AnalyticsIcon fontSize="small" />}
                iconPosition="start"
                label="分析参数"
              />
              <Tab
                icon={<SearchIcon fontSize="small" />}
                iconPosition="start"
                label="方案查询"
              />
            </Tabs>
          </Box>

          {/* Tab Content */}
          <TabPanel value={currentTab} index={0}>
            <AnalysisParameters />
          </TabPanel>

          <TabPanel value={currentTab} index={1}>
            <SchemeQuery />
          </TabPanel>
        </Box>
      </Drawer>
    </>
  );
};

export default FlushingAnalysisPanel;