"use client";

import { TrendingDown, TrendingUp } from "lucide-react";
import {
  Area,
  AreaChart,
  CartesianGrid,
  Line,
  LineChart,
  ResponsiveContainer,
  XAxis,
  YAxis,
} from "recharts";

import {
  Card,
  CardContent,
  CardDescription,
  CardHeader,
  CardTitle,
} from "@/components/ui/card";
import {
  type ChartConfig,
  ChartContainer,
  ChartTooltip,
  ChartTooltipContent,
} from "@/components/ui/chart";
import { cn } from "@/lib/utils";

interface Stat {
  title: string;
  value: string;
  change: number;
  sparklineData: { day: string; value: number }[];
}

interface ChartGroup3Props {
  stats?: Stat[];
  className?: string;
}

const monthLabel = (monthIndex: number) =>
  new Intl.DateTimeFormat("fa-IR", { month: "short" }).format(
    new Date(2025, monthIndex, 1),
  );

const weekdayFormatter = new Intl.DateTimeFormat("fa-IR", {
  weekday: "short",
});

const weekdaySparkline = (values: number[]) =>
  values.map((value, index) => ({
    day: weekdayFormatter.format(new Date(2025, 0, 6 + index)),
    value,
  }));

const currencyFormatter = new Intl.NumberFormat("fa-IR", {
  style: "currency",
  currency: "IRR",
  minimumFractionDigits: 0,
  maximumFractionDigits: 0,
});

const compactCurrencyFormatter = new Intl.NumberFormat("fa-IR", {
  style: "currency",
  currency: "IRR",
  notation: "compact",
  minimumFractionDigits: 0,
  maximumFractionDigits: 1,
});

const oneDecimalFormatter = new Intl.NumberFormat("fa-IR", {
  maximumFractionDigits: 1,
  minimumFractionDigits: 1,
});

const percentChangeFormatter = new Intl.NumberFormat("fa-IR", {
  maximumFractionDigits: 1,
  minimumFractionDigits: 1,
  signDisplay: "exceptZero",
});

const formatPercent = (value: number) =>
  `${oneDecimalFormatter.format(value)}٪`;

const defaultStats: Stat[] = [
  {
    title: "مجموع درآمد",
    value: currencyFormatter.format(45231),
    change: 20.1,
    sparklineData: weekdaySparkline([6200, 5800, 7100, 6900, 8200, 5400, 5631]),
  },
  {
    title: "میانگین ارزش سفارش",
    value: currencyFormatter.format(142),
    change: 8.5,
    sparklineData: weekdaySparkline([128, 135, 142, 138, 155, 148, 142]),
  },
  {
    title: "نرخ تبدیل",
    value: formatPercent(3.2),
    change: -2.4,
    sparklineData: weekdaySparkline([3.8, 3.5, 3.4, 3.6, 3.1, 2.9, 3.2]),
  },
];

const chartData = [
  { month: monthLabel(0), value: 18600 },
  { month: monthLabel(1), value: 30500 },
  { month: monthLabel(2), value: 23700 },
  { month: monthLabel(3), value: 27300 },
  { month: monthLabel(4), value: 20900 },
  { month: monthLabel(5), value: 31400 },
];

const chartConfig = {
  value: { label: "درآمد", color: "var(--chart-1)" },
} satisfies ChartConfig;

const ChartGroup3 = ({ stats = defaultStats, className }: ChartGroup3Props) => {
  return (
    <section
      dir="rtl"
      lang="fa"
      className={cn("py-32 text-start", className)}
    >
      <div className="container space-y-4">
        <Card className="text-start">
          <CardHeader className="pb-2">
            <CardTitle>روند درآمد</CardTitle>
            <CardDescription>درآمد ماهانه در طول زمان</CardDescription>
          </CardHeader>
          <CardContent className="pb-4">
            <ChartContainer config={chartConfig} className="h-64 w-full">
              <AreaChart
                data={chartData}
                margin={{ top: 10, right: 10, left: 0, bottom: 0 }}
              >
                <defs>
                  <linearGradient
                    id="chartGradient3"
                    x1="0"
                    y1="0"
                    x2="0"
                    y2="1"
                  >
                    <stop
                      offset="0%"
                      stopColor="var(--color-value)"
                      stopOpacity={0.3}
                    />
                    <stop
                      offset="100%"
                      stopColor="var(--color-value)"
                      stopOpacity={0}
                    />
                  </linearGradient>
                </defs>
                <CartesianGrid strokeDasharray="3 3" vertical={false} />
                <XAxis
                  dataKey="month"
                  axisLine={false}
                  tickLine={false}
                  tickMargin={8}
                  fontSize={12}
                />
                <YAxis
                  axisLine={false}
                  tickLine={false}
                  tickMargin={8}
                  fontSize={10}
                  width={52}
                  tickFormatter={(v) =>
                    compactCurrencyFormatter.format(Number(v))
                  }
                />
                <ChartTooltip
                  content={
                    <ChartTooltipContent
                      formatter={(value) =>
                        currencyFormatter.format(Number(value))
                      }
                    />
                  }
                  cursor={{ stroke: "var(--border)", strokeDasharray: "4 4" }}
                />
                <Area
                  type="monotone"
                  dataKey="value"
                  stroke="var(--color-value)"
                  strokeWidth={2}
                  fill="url(#chartGradient3)"
                />
              </AreaChart>
            </ChartContainer>
          </CardContent>
        </Card>

        <div className="grid gap-4 md:grid-cols-3">
          {stats.map((stat, index) => {
            const isPositive = stat.change >= 0;
            const sparklineColor = isPositive ? "#22c55e" : "#ef4444";
            return (
              <Card key={index} className="overflow-hidden text-start">
                <CardHeader className="pb-0">
                  <CardDescription>۷ روز گذشته</CardDescription>
                  <div className="flex items-center justify-between gap-2">
                    <CardTitle className="text-base">{stat.title}</CardTitle>
                    <div className="flex items-center gap-2">
                      <span className="text-xl font-bold tabular-nums">
                        {stat.value}
                      </span>
                      <div className="flex items-center gap-1 text-sm tabular-nums">
                        {isPositive ? (
                          <TrendingUp
                            className="size-4 text-green-500"
                            aria-hidden="true"
                          />
                        ) : (
                          <TrendingDown
                            className="size-4 text-red-500"
                            aria-hidden="true"
                          />
                        )}
                        <span
                          className={
                            isPositive ? "text-green-500" : "text-red-500"
                          }
                        >
                          {percentChangeFormatter.format(stat.change)}٪
                        </span>
                      </div>
                    </div>
                  </div>
                </CardHeader>
                <CardContent className="pb-0">
                  <div className="h-16 w-full">
                    <ResponsiveContainer width="100%" height="100%">
                      <LineChart
                        data={stat.sparklineData}
                        margin={{ top: 8, right: 0, left: 0, bottom: 0 }}
                      >
                        <XAxis
                          dataKey="day"
                          axisLine={false}
                          tickLine={false}
                          tick={{ fontSize: 10 }}
                          tickMargin={4}
                        />
                        <Line
                          type="monotone"
                          dataKey="value"
                          stroke={sparklineColor}
                          strokeWidth={2}
                          dot={false}
                        />
                      </LineChart>
                    </ResponsiveContainer>
                  </div>
                </CardContent>
              </Card>
            );
          })}
        </div>
      </div>
    </section>
  );
};

export { ChartGroup3 };