// modules/dashboard/components/ChartWidget.tsx
import React from "react";
import {
  LineChart,
  Line,
  BarChart,
  Bar,
  AreaChart,
  Area,
  PieChart,
  Pie,
  Cell,
  XAxis,
  YAxis,
  CartesianGrid,
  Tooltip,
  ResponsiveContainer,
  Legend,
} from "recharts";
import {
  FaChartLine,
  FaChartBar,
  FaChartArea,
  FaChartPie,
  FaCog,
  FaEye,
  FaEyeSlash,
} from "react-icons/fa";
import { motion } from "framer-motion";
import type { ChartWidget as ChartWidgetType, MetricData } from "../types";

interface ChartWidgetProps {
  widget: ChartWidgetType;
  data: MetricData[];
  onEdit: () => void;
  onToggleVisibility: () => void;
}

// Все возможные уровни логов (метрики)
const METRICS = ["INFO", "WARN", "ERROR", "DEBUG"];

// Цвета для каждой метрики
const METRIC_COLORS: Record<string, string> = {
  INFO: "#10b981", // зеленый
  WARN: "#f59e0b", // оранжевый
  ERROR: "#ef4444", // красный
  DEBUG: "#3b82f6", // синий
};

export const ChartWidget: React.FC<ChartWidgetProps> = ({
  widget,
  data,
  onEdit,
  onToggleVisibility,
}) => {
  const renderChart = () => {
    if (!data || !Array.isArray(data) || data.length === 0) {
      return (
        <div className="flex items-center justify-center h-full">
          <span className="text-[10px] text-tertiary">Нет данных</span>
        </div>
      );
    }

    const normalizedData = data.map((point) => {
      const normalized: MetricData = { timestamp: point.timestamp };
      METRICS.forEach((metric) => {
        normalized[metric] = point[metric] || 0;
      });
      return normalized;
    });

    const commonProps = {
      data: normalizedData,
      margin: { top: 5, right: 10, left: 0, bottom: 5 },
    };

    switch (widget.type) {
      case "line":
        return (
          <LineChart {...commonProps}>
            <CartesianGrid strokeDasharray="3 3" stroke="#334155" />
            <XAxis
              dataKey="timestamp"
              stroke="#64748b"
              tick={{ fontSize: 9 }}
              interval={Math.floor(normalizedData.length / 5)}
            />
            <YAxis stroke="#64748b" tick={{ fontSize: 9 }} width={30} />
            <Tooltip
              contentStyle={{
                backgroundColor: "#1e293b",
                border: "1px solid #334155",
                borderRadius: "6px",
                fontSize: "10px",
              }}
              labelStyle={{ color: "#fff" }}
            />
            <Legend
              wrapperStyle={{ fontSize: "10px" }}
              verticalAlign="top"
              height={25}
            />
            {METRICS.map((metric) => (
              <Line
                key={metric}
                type="monotone"
                dataKey={metric}
                stroke={METRIC_COLORS[metric]}
                strokeWidth={2}
                dot={false}
                name={metric}
              />
            ))}
          </LineChart>
        );

      case "bar":
        return (
          <BarChart {...commonProps}>
            <CartesianGrid strokeDasharray="3 3" stroke="#334155" />
            <XAxis
              dataKey="timestamp"
              stroke="#64748b"
              tick={{ fontSize: 9 }}
              interval={Math.floor(normalizedData.length / 5)}
            />
            <YAxis stroke="#64748b" tick={{ fontSize: 9 }} width={30} />
            <Tooltip
              contentStyle={{
                backgroundColor: "#1e293b",
                border: "1px solid #334155",
                borderRadius: "6px",
                fontSize: "10px",
              }}
              labelStyle={{ color: "#fff" }}
            />
            <Legend
              wrapperStyle={{ fontSize: "10px" }}
              verticalAlign="top"
              height={25}
            />
            {METRICS.map((metric) => (
              <Bar
                key={metric}
                dataKey={metric}
                fill={METRIC_COLORS[metric]}
                radius={[2, 2, 0, 0]}
                name={metric}
              />
            ))}
          </BarChart>
        );

      case "area":
        return (
          <AreaChart {...commonProps}>
            <CartesianGrid strokeDasharray="3 3" stroke="#334155" />
            <XAxis
              dataKey="timestamp"
              stroke="#64748b"
              tick={{ fontSize: 9 }}
              interval={Math.floor(normalizedData.length / 5)}
            />
            <YAxis stroke="#64748b" tick={{ fontSize: 9 }} width={30} />
            <Tooltip
              contentStyle={{
                backgroundColor: "#1e293b",
                border: "1px solid #334155",
                borderRadius: "6px",
                fontSize: "10px",
              }}
              labelStyle={{ color: "#fff" }}
            />
            <Legend
              wrapperStyle={{ fontSize: "10px" }}
              verticalAlign="top"
              height={25}
            />
            {METRICS.map((metric) => (
              <Area
                key={metric}
                type="monotone"
                dataKey={metric}
                stroke={METRIC_COLORS[metric]}
                fill={METRIC_COLORS[metric]}
                fillOpacity={0.2}
                name={metric}
              />
            ))}
          </AreaChart>
        );

      case "pie":
        // Для круговой диаграммы берем последнюю точку
        const lastPoint = normalizedData[normalizedData.length - 1];
        const pieData = METRICS.map((metric) => ({
          name: metric,
          value: lastPoint[metric] || 0,
        })).filter((item) => Number(item.value) > 0);

        return (
          <PieChart>
            <Pie
              data={pieData}
              cx="50%"
              cy="50%"
              innerRadius={40}
              outerRadius={55}
              paddingAngle={3}
              dataKey="value"
              nameKey="name"
            >
              {pieData.map((entry, index) => (
                <Cell key={`cell-${index}`} fill={METRIC_COLORS[entry.name]} />
              ))}
            </Pie>
            <Tooltip
              contentStyle={{
                backgroundColor: "#1e293b",
                border: "1px solid #334155",
                borderRadius: "6px",
                fontSize: "10px",
              }}
              labelStyle={{ color: "#fff" }}
            />
            <Legend
              wrapperStyle={{ fontSize: "10px" }}
              layout="vertical"
              verticalAlign="middle"
              align="right"
            />
          </PieChart>
        );

      default:
        return null;
    }
  };

  const getIcon = () => {
    switch (widget.type) {
      case "line":
        return <FaChartLine size={10} />;
      case "bar":
        return <FaChartBar size={10} />;
      case "area":
        return <FaChartArea size={10} />;
      case "pie":
        return <FaChartPie size={10} />;
      default:
        return null;
    }
  };

  return (
    <motion.div
      layout
      initial={{ opacity: 0, scale: 0.95 }}
      animate={{ opacity: 1, scale: 1 }}
      exit={{ opacity: 0, scale: 0.95 }}
      className={`bg-secondary rounded-lg border border-primary p-2 transition-all ${!widget.visible ? "opacity-50" : ""}`}
    >
      <div className="flex items-center justify-between mb-1 px-1">
        <div className="flex items-center gap-1">
          <span className="text-tertiary">{getIcon()}</span>
          <h3 className="text-[11px] font-medium text-primary">
            {widget.title}
          </h3>
        </div>
        <div className="flex gap-0.5">
          <button
            onClick={onToggleVisibility}
            className="p-0.5 hover:bg-tertiary rounded transition-colors cursor-pointer"
            title={widget.visible ? "Скрыть" : "Показать"}
          >
            {widget.visible ? (
              <FaEye size={9} className="text-tertiary" />
            ) : (
              <FaEyeSlash size={9} className="text-tertiary" />
            )}
          </button>
          <button
            onClick={onEdit}
            className="p-0.5 hover:bg-tertiary rounded transition-colors cursor-pointer"
            title="Настройки"
          >
            <FaCog size={9} className="text-tertiary" />
          </button>
        </div>
      </div>
      <div className="h-40">
        <ResponsiveContainer width="100%" height="100%">
          {renderChart()}
        </ResponsiveContainer>
      </div>
    </motion.div>
  );
};