"use client";

import {
  Bar,
  BarChart,
  CartesianGrid,
  Cell,
  ResponsiveContainer,
  Tooltip,
  XAxis,
  YAxis,
} from "recharts";
import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";

interface BarChartData {
  name: string;
  value: number;
  [key: string]: string | number;
}

interface BarChartProps {
  data: BarChartData[];
  title?: string;
  dataKey?: string;
  colors?: string[];
  height?: number;
  className?: string;
}

interface TooltipProps {
  active?: boolean;
  payload?: Array<{ value: number; name?: string }>;
  label?: string;
}

const CustomTooltip = ({ active, payload, label }: TooltipProps) => {
  if (active && payload && payload.length) {
    return (
      <div className="rounded-lg border bg-background p-3 shadow-md">
        <p className="text-sm font-medium">{label}</p>
        <p className="text-sm text-muted-foreground">
          <span className="font-medium text-foreground">
            {payload[0].value}
          </span>{" "}
          sessions
        </p>
      </div>
    );
  }
  return null;
};

export default function ModernBarChart({
  data,
  title,
  dataKey = "value",
  colors = [
    "hsl(var(--chart-1))",
    "hsl(var(--chart-2))",
    "hsl(var(--chart-3))",
    "hsl(var(--chart-4))",
    "hsl(var(--chart-5))",
  ],
  height = 300,
  className,
}: BarChartProps) {
  return (
    <Card className={className}>
      {title && (
        <CardHeader>
          <CardTitle className="text-lg font-semibold">{title}</CardTitle>
        </CardHeader>
      )}
      <CardContent>
        <ResponsiveContainer width="100%" height={height}>
          <BarChart
            data={data}
            margin={{ top: 5, right: 30, left: 20, bottom: 5 }}
          >
            <CartesianGrid
              strokeDasharray="3 3"
              stroke="hsl(var(--border))"
              strokeOpacity={0.3}
            />
            <XAxis
              dataKey="name"
              stroke="hsl(var(--muted-foreground))"
              fontSize={12}
              tickLine={false}
              axisLine={false}
              angle={-45}
              textAnchor="end"
              height={80}
            />
            <YAxis
              stroke="hsl(var(--muted-foreground))"
              fontSize={12}
              tickLine={false}
              axisLine={false}
            />
            <Tooltip content={<CustomTooltip />} />
            <Bar
              dataKey={dataKey}
              radius={[4, 4, 0, 0]}
              className="transition-all duration-200"
            >
              {data.map((entry, index) => (
                <Cell
                  key={`cell-${entry.name}-${index}`}
                  fill={colors[index % colors.length]}
                  className="hover:opacity-80"
                />
              ))}
            </Bar>
          </BarChart>
        </ResponsiveContainer>
      </CardContent>
    </Card>
  );
}