"use client";

import * as React from "react";
import { CartesianGrid, Line, LineChart, XAxis, YAxis } from "recharts";

import {
  Card,
  CardContent,
  CardDescription,
  CardHeader,
  CardTitle,
} from "@/components/ui/card";
import {
  ChartConfig,
  ChartContainer,
  ChartTooltip,
  ChartTooltipContent,
} from "@/components/ui/chart";
import { useEffectOnce } from "@/lib/useEffectOnce";
import { ServerResponse } from "./ServerView";

const chartConfig = {
  player_count: {
    label: "Joins",
    color: "hsl(var(--chart-1))",
  },
  favorites: {
    label: "Favorites",
    color: "hsl(var(--chart-3))",
  },
} satisfies ChartConfig;

export function NewChart({ server }: { server: string }) {
  const [activeChart, setActiveChart] =
    React.useState<keyof typeof chartConfig>("player_count");

  const [chartData, setChartData] = React.useState<any>([]);
  const [joins, setJoins] = React.useState<any>(0);
  const [favorites, setFavorites] = React.useState<any>(0);

  const allNums = { player_count: joins, favorites };
  useEffectOnce(() => {
    fetch("/api/history/getShortTermData", {
      headers: { "Content-Type": "application/json" },
      body: JSON.stringify({
        scopes: ["player_count", "favorites", "time"],
        server,
      }),
      method: "POST",
    }).then((c) => {
      c.json().then((b) => {
        setChartData(b.data);
        fetch("/api/favorites/getCommunityNum", {
          headers: { "Content-Type": "application/json" },
          body: JSON.stringify({ server }),
          method: "POST",
        }).then((b) =>
          b.json().then((f) => {
            setFavorites(f.result);
          })
        );
        fetch("https://api.minehut.com/server/" + server + "?byName=true").then(
          (k) => {
            k.json().then((p: { server: ServerResponse }) => {
              setJoins(p.server.joins);
            });
          }
        );
      });
    });
  });

  return (
    <Card className="w-full">
      <CardHeader className="flex flex-col items-stretch space-y-0 border-b p-0 sm:flex-row">
        <div className="flex flex-1 flex-col justify-center gap-1 px-6 py-5 sm:py-6">
          <CardTitle>
            {chartConfig[activeChart].label} Chart for {server}
          </CardTitle>
          <CardDescription>Showing the past 30 entries.</CardDescription>
        </div>
        <div className="flex">
          {["player_count", "favorites"].map((key) => {
            const chart = key as keyof typeof chartConfig;
            return (
              <button
                key={chart}
                data-active={activeChart === chart}
                className="flex flex-1 flex-col justify-center gap-1 border-t px-6 py-4 text-left even:border-l data-[active=true]:bg-muted/50 sm:border-l sm:border-t-0 sm:px-8 sm:py-6"
                onClick={() => setActiveChart(chart)}
              >
                <span className="text-xs text-muted-foreground">
                  {chartConfig[chart].label}
                </span>
                <span className="text-lg font-bold leading-none sm:text-3xl">
                  {convert(allNums[chart])}
                </span>
              </button>
            );
          })}
        </div>
      </CardHeader>
      <CardContent className="px-2 sm:p-6">
        <ChartContainer
          config={chartConfig}
          className="aspect-auto h-[250px] w-full"
        >
          <LineChart
            accessibilityLayer
            data={chartData}
            margin={{
              left: 12,
              right: 12,
            }}
          >
            <CartesianGrid vertical={false} />
            <XAxis
              dataKey="time"
              tickLine={false}
              axisLine={false}
              tickMargin={8}
              minTickGap={32}
              tickFormatter={(value) => {
                const date = new Date(value);
                return date.toLocaleTimeString("en-US", {
                  timeStyle: "short",
                });
              }}
            />
            <YAxis
              dataKey={activeChart}
              tickLine={false}
              axisLine={false}
              tickFormatter={(value) => {
                return (
                  value +
                  (activeChart == "player_count"
                    ? ` plyr${value != 1 ? "s" : ""}.`
                    : ` ${value == 1 ? "favorite" : "favrts."}`)
                );
              }}
            />
            <ChartTooltip
              content={
                <ChartTooltipContent
                  className="w-[150px]"
                  nameKey={activeChart}
                  hideLabel
                />
              }
            />
            <Line
              dataKey={activeChart}
              type="monotone"
              stroke={`var(--color-${activeChart})`}
              strokeWidth={2}
              dot={false}
            />
          </LineChart>
        </ChartContainer>
      </CardContent>
    </Card>
  );
}

function convert(value: number) {
  var result: string = value.toString();
  if (value >= 1000000) {
    result = Math.floor(value / 1000000) + "m";
  } else if (value >= 1000) {
    result = Math.floor(value / 1000) + "k";
  }
  return result;
}