"use client";

import { useState } from "react";
import { Cell, Pie, PieChart, ResponsiveContainer, Sector } from "recharts";

import {
  Card,
  CardContent,
  CardDescription,
  CardHeader,
  CardTitle,
} from "@/components/ui/card";
import { cn } from "@/lib/utils";

interface DataItem {
  name: string;
  value: number;
  color: string;
}

interface ChartCard5Props {
  title?: string;
  description?: string;
  centerValue?: string;
  centerLabel?: string;
  data?: DataItem[];
  className?: string;
}

const numberFormatter = new Intl.NumberFormat("fa-IR", {
  maximumFractionDigits: 0,
});

const defaultData: DataItem[] = [
  { name: "دسکتاپ", value: 4520, color: "var(--chart-1)" },
  { name: "موبایل", value: 3210, color: "var(--chart-2)" },
  { name: "تبلت", value: 1240, color: "var(--chart-3)" },
];

const defaultTotalVisitors = defaultData.reduce(
  (sum, item) => sum + item.value,
  0,
);

interface ActiveShapeProps {
  cx: number;
  cy: number;
  innerRadius: number;
  outerRadius: number;
  startAngle: number;
  endAngle: number;
  fill: string;
}

const renderActiveShape = (props: ActiveShapeProps) => {
  const { cx, cy, innerRadius, outerRadius, startAngle, endAngle, fill } =
    props;

  return (
    <Sector
      cx={cx}
      cy={cy}
      innerRadius={innerRadius - 2}
      outerRadius={outerRadius + 4}
      startAngle={startAngle}
      endAngle={endAngle}
      fill={fill}
    />
  );
};

const ChartCard5 = ({
  title = "ترافیک به تفکیک دستگاه",
  description = "تفکیک بازدیدکنندگان بر اساس نوع دستگاه",
  centerValue = numberFormatter.format(defaultTotalVisitors),
  centerLabel = "مجموع بازدیدکنندگان",
  data = defaultData,
  className,
}: ChartCard5Props) => {
  const [activeIndex, setActiveIndex] = useState<number | null>(null);

  return (
    <Card
      dir="rtl"
      lang="fa"
      className={cn("w-full max-w-2xl text-start", className)}
    >
      <CardHeader>
        <CardTitle>{title}</CardTitle>
        <CardDescription>{description}</CardDescription>
      </CardHeader>
      <CardContent>
        <div className="flex items-center justify-center gap-8">
          <div className="relative size-40">
            <ResponsiveContainer width="100%" height="100%">
              <PieChart>
                <Pie
                  data={data}
                  cx="50%"
                  cy="50%"
                  innerRadius={50}
                  outerRadius={70}
                  paddingAngle={2}
                  dataKey="value"
                  strokeWidth={0}
                  // activeIndex={activeIndex ?? undefined}
                  // activeShape={renderActiveShape}
                  onMouseEnter={(_, index) => setActiveIndex(index)}
                  onMouseLeave={() => setActiveIndex(null)}
                >
                  {data.map((entry, index) => (
                    <Cell
                      key={index}
                      fill={entry.color}
                      style={{
                        cursor: "pointer",
                        transition: "opacity 0.4s ease-out",
                        opacity:
                          activeIndex === null || activeIndex === index
                            ? 1
                            : 0.3,
                      }}
                    />
                  ))}
                </Pie>
              </PieChart>
            </ResponsiveContainer>
            <div className="pointer-events-none absolute inset-0 flex flex-col items-center justify-center">
              <span className="text-xl font-bold tabular-nums">
                {centerValue}
              </span>
              <span className="text-xs text-muted-foreground">
                {centerLabel}
              </span>
            </div>
          </div>
          <div className="flex-1 space-y-3">
            {data.map((item, index) => (
              <div
                key={index}
                className={cn(
                  "flex cursor-pointer items-center justify-between rounded-md px-2 py-1.5 transition-all duration-300 ease-out",
                  activeIndex === index ? "bg-muted" : "hover:bg-muted/50",
                  activeIndex !== null && activeIndex !== index && "opacity-40",
                )}
                onMouseEnter={() => setActiveIndex(index)}
                onMouseLeave={() => setActiveIndex(null)}
              >
                <div className="flex items-center gap-2">
                  <div
                    className={cn(
                      "size-3 rounded-full transition-transform duration-300 ease-out",
                      activeIndex === index && "scale-125",
                    )}
                    style={{ backgroundColor: item.color }}
                  />
                  <span className="text-sm">{item.name}</span>
                </div>
                <span className="text-sm font-medium tabular-nums">
                  {numberFormatter.format(item.value)}
                </span>
              </div>
            ))}
          </div>
        </div>
      </CardContent>
    </Card>
  );
};

export { ChartCard5 };