frontend/app/components/grades/index.tsx

import {
  PolarAngleAxis,
  PolarGrid,
  PolarRadiusAxis,
  Radar,
  RadarChart,
} from "recharts";
import { useAverages, useGrades, type User } from "~/lib/api";
import { ChartContainer, ChartTooltip, ChartTooltipContent } from "../ui/chart";
import { Award } from "lucide-react";
import { useState } from "react";
import { Tabs, TabsList, tabsStyle, TabsTrigger } from "../ui/tabs";
import AverageChart from "./average-chart";
import GradesChart from "./grades-chart";

const periods = [
  {
    id: "YEAR",
    label: "Cette année",
  },
  {
    id: "TRIMESTER",
    label: "Ce trimestre",
  },
  {
    id: "MONTH",
    label: "Ce mois",
  },
];

export default function GradesPage({ user }: { user: User }) {
  const [period, setPeriod] = useState(periods[0].id);

  const { grades, averages, subjects, isLoading, isError } = useGrades(period);
  const {
    subjectAverages,
    globalAverage,
    isLoading: loading,
    isError: error,
  } = useAverages(period);

  return (
    <div className="space-y-6 pb-20 md:pb-0">
      {/* Tabs */}
      <Tabs
        defaultValue={periods[0].id}
        value={period}
        onValueChange={setPeriod}
        className="max-w-md w-full"
      >
        <TabsList className="w-full p-0 bg-background justify-start border-b rounded-none">
          {periods.map((period) => (
            <TabsTrigger
              key={period.id}
              value={period.id}
              className={tabsStyle}
            >
              {period.label}
            </TabsTrigger>
          ))}
        </TabsList>
      </Tabs>

      {isNaN(globalAverage) ? (
        <div className="text-center text-muted-foreground">
          Aucune note disponible pour cette période.
        </div>
      ) : isLoading || loading ? (
        <div className="flex items-center justify-center h-64">
          <span className="text-muted-foreground">Chargement...</span>
        </div>
      ) : isError || error ? (
        <div className="text-center text-red-500">
          Une erreur est survenue lors de la récupération des données.
        </div>
      ) : (
        <>
          {/* Global average */}
          <div className="bg-muted/50 rounded-lg p-4 space-y-2">
            <div className="flex items-center justify-between">
              <span className="text-xs md:text-sm font-medium text-muted-foreground">
                Moyenne générale
              </span>
              <Award className="h-4 w-4 text-muted-foreground" />
            </div>
            <div className="text-xl md:text-2xl font-bold">
              {globalAverage} / 20
            </div>
          </div>

          {/* Charts - Mobile First Layout */}
          <div className="space-y-8">
            {/* Grade Trends */}
            <div className="space-y-4">
              <div className="flex items-center justify-between">
                <div>
                  <h2 className="text-lg md:text-xl font-semibold">
                    Votre progression
                  </h2>
                  <p className="text-sm text-muted-foreground">
                    Suivez vos notes au fil du temps
                  </p>
                </div>
              </div>
              <div className="bg-muted/50 rounded-lg py-4">
                <GradesChart grades={grades} subjects={subjects} user={user} />
              </div>
            </div>

            {/* Grade Trends */}
            <div className="space-y-4">
              <div className="flex items-center justify-between">
                <div>
                  <h2 className="text-lg md:text-xl font-semibold">
                    Vos moyennes par matière
                  </h2>
                  <p className="text-sm text-muted-foreground">
                    Comparez vos moyennes par matière
                  </p>
                </div>
              </div>
              <div className="bg-muted/50 rounded-lg py-4">
                <AverageChart
                  averages={averages}
                  subjects={subjects}
                  user={user}
                />
              </div>
            </div>

            {/* Radar chart */}
            <div className="space-y-4">
              <div className="flex items-center justify-between">
                <div>
                  <h2 className="text-lg md:text-xl font-semibold">
                    Vos points forts
                  </h2>
                  <p className="text-sm text-muted-foreground">
                    Visualisez vos performances par matière
                  </p>
                </div>
              </div>
              <div className="bg-muted/50 rounded-lg py-4">
                <ChartContainer
                  config={{}}
                  className="h-full w-full -ml-6 max-w-2xl"
                >
                  <RadarChart
                    data={subjectAverages}
                    margin={{ top: 10, right: 10, bottom: 10, left: 10 }}
                  >
                    <PolarGrid />
                    <PolarAngleAxis dataKey="subject" />
                    <PolarRadiusAxis angle={90} domain={[0, 20]} />
                    <Radar
                      name="Moyenne"
                      dataKey="average"
                      stroke="var(--chart-2)"
                      fill="var(--chart-2)"
                      fillOpacity={0.3}
                    />
                    <ChartTooltip content={<ChartTooltipContent />} />
                  </RadarChart>
                </ChartContainer>
              </div>
            </div>
          </div>
        </>
      )}
    </div>
  );
}