"use client";

import {
  Bar,
  BarChart,
  CartesianGrid,
  Cell,
  LabelList,
  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 ChartCard15Props {
  title?: string;
  description?: string;
  className?: string;
}

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 rawData = [
  { name: "شروع", value: 10000 },
  { name: "فروش", value: 5000 },
  { name: "بازپرداخت", value: -1200 },
  { name: "هزینه", value: -3500 },
  { name: "مالیات", value: -800 },
  { name: "پایان", value: 9500 },
];

const chartData = rawData.map((item, index) => {
  if (index === 0 || item.name === "پایان") {
    return {
      name: item.name,
      value: item.value,
      start: 0,
      isTotal: true,
    };
  }

  let runningTotal = rawData[0].value;
  for (let i = 1; i < index; i++) {
    runningTotal += rawData[i].value;
  }

  return {
    name: item.name,
    value: item.value,
    start: item.value >= 0 ? runningTotal : runningTotal + item.value,
    isTotal: false,
  };
});

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

const ChartCard15 = ({
  title = "آبشار درآمد",
  description = "تفکیک تغییرات درآمد",
  className,
}: ChartCard15Props) => {
  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>
        <ChartContainer config={chartConfig} className="h-64 w-full">
          <BarChart
            data={chartData}
            margin={{ top: 20, right: 10, left: 0, bottom: 0 }}
          >
            <CartesianGrid strokeDasharray="3 3" vertical={false} />
            <XAxis
              dataKey="name"
              axisLine={false}
              tickLine={false}
              tickMargin={8}
              fontSize={11}
            />
            <YAxis
              axisLine={false}
              tickLine={false}
              tickMargin={8}
              fontSize={10}
              width={52}
              tickFormatter={(value) =>
                compactCurrencyFormatter.format(Number(value))
              }
            />
            <ChartTooltip
              content={
                <ChartTooltipContent
                  formatter={(value) => {
                    const num = Number(value);
                    if (num === 0) return null;
                    const formatted = currencyFormatter.format(Math.abs(num));
                    return num < 0
                      ? `${formatted} (کاهش)`
                      : `${formatted} (افزایش)`;
                  }}
                />
              }
              cursor={{ fillOpacity: 0.05 }}
            />
            <Bar dataKey="start" stackId="a" fill="transparent" />
            <Bar dataKey="value" stackId="a" radius={[4, 4, 4, 4]}>
              {chartData.map((entry, index) => (
                <Cell
                  key={index}
                  fill={
                    entry.isTotal
                      ? "var(--chart-3)"
                      : entry.value >= 0
                        ? "var(--chart-1)"
                        : "var(--chart-5)"
                  }
                />
              ))}
              <LabelList
                dataKey="value"
                position="top"
                fontSize={10}
                formatter={(value) => {
                  const num = Number(value);
                  if (num === 0) return "";
                  return compactCurrencyFormatter.format(Math.abs(num));
                }}
              />
            </Bar>
          </BarChart>
        </ChartContainer>
      </CardContent>
    </Card>
  );
};

export { ChartCard15 };