import React, { useState, useEffect } from 'react';
import { Text, Box, useStdout } from 'ink';
import fetch from 'node-fetch';

const locations = {
  Nancy: { latitude: 48.6921, longitude: 6.1844 },
  Paris: { latitude: 48.8566, longitude: 2.3522 }
};

const INTER_ID = 6684; // SC Internacional team id
const PARIS_ID = 1045; // Paris FC team id

const COMPETITION_FL1 = "FL1";
const COMPETITION_BSA = "BSA";


const TASKTROVE_API = 'https://tasktrove.couraud.xyz/api/v1/tasks';
const TASKTROVE_TOKEN = 'eyJhbGciOiJIUzI1NiIsImtpZCI6InYxIiwidHlwIjoiSldUIn0.eyJuYW1lIjoidGFza3Ryb3ZlIiwiaXNzIjoibWVtb3MiLCJzdWIiOiIzIiwiYXVkIjpbInVzZXIuYWNjZXNzLXRva2VuIl0sImlhdCI6MTc1OTk5MjI0N30.666jJ97j9a3d8c3a2a2a2a2a2a2a2a2a2a2a2a2a2a2';

const weatherCodeMap = {
  0: { desc: 'Ciel clair', color: 'yellow' },
  1: { desc: 'Principalement clair', color: 'yellow' },
  2: { desc: 'Partiellement nuageux', color: 'cyan' },
  3: { desc: 'Couvert', color: 'gray' },
  45: { desc: 'Brouillard', color: 'gray' },
  48: { desc: 'Brouillard givrant', color: 'gray' },
  51: { desc: 'Bruine légère', color: 'blue' },
  53: { desc: 'Bruine modérée', color: 'blue' },
  55: { desc: 'Bruine dense', color: 'blue' },
  56: { desc: 'Bruine verglaçante légère', color: 'blue' },
  57: { desc: 'Bruine verglaçante dense', color: 'blue' },
  61: { desc: 'Pluie faible', color: 'blue' },
  63: { desc: 'Pluie modérée', color: 'blue' },
  65: { desc: 'Pluie forte', color: 'blue' },
  66: { desc: 'Pluie verglaçante légère', color: 'blue' },
  67: { desc: 'Pluie verglaçante forte', color: 'blue' },
  71: { desc: 'Chute de neige légère', color: 'white' },
  73: { desc: 'Chute de neige modérée', color: 'white' },
  75: { desc: 'Chute de neige forte', color: 'white' },
  77: { desc: 'Grains de neige', color: 'white' },
  80: { desc: 'Averses de pluie faibles', color: 'blue' },
  81: { desc: 'Averses de pluie modérées', color: 'blue' },
  82: { desc: 'Averses de pluie violentes', color: 'blue' },
  85: { desc: 'Averses de neige faibles', color: 'white' },
  86: { desc: 'Averses de neige fortes', color: 'white' },
  95: { desc: 'Orage', color: 'magenta' },
  96: { desc: 'Orage avec faible grêle', color: 'magenta' },
  99: { desc: 'Orage avec forte grêle', color: 'magenta' }
};

function formatTime(date) {
  return date.toLocaleTimeString('fr-FR', { hour12: false });
}

function formatDate(date) {
  return date.toLocaleDateString('fr-FR', {
    weekday: 'long',
    year: 'numeric',
    month: 'long',
    day: 'numeric'
  });
}

function formatDateTimeUTC(utcString) {
  const date = new Date(utcString);
  return {
    date: formatDate(date),
    time: formatTime(date)
  };
}

async function fetchWeather(lat, lon) {
  const url = `https://api.open-meteo.com/v1/forecast?latitude=${lat}&longitude=${lon}&current_weather=true&temperature_unit=celsius&timezone=Europe/Paris`;
  const response = await fetch(url);
  const data = await response.json();
  return data.current_weather;
}

async function fetchScheduledMatches(teamId) {
  const url = `https://api.football-data.org/v4/teams/${teamId}/matches?status=SCHEDULED`;
  try {
    const response = await fetch(url, {
      headers: { "X-Auth-Token": "1535f68086e542528841b5e276f50b45" }
    });
    const data = await response.json();
    if (!data.matches) return [];
    return data.matches.map(match => {
      let opponent, homeAway;
      if (match.homeTeam.id === teamId) {
        opponent = match.awayTeam.name;
        homeAway = 'Home';
      } else if (match.awayTeam.id === teamId) {
        opponent = match.homeTeam.name;
        homeAway = 'Away';
      } else {
        return null;
      }
      const { date, time } = formatDateTimeUTC(match.utcDate);
      return { date, time, opponent, homeAway };
    }).filter(Boolean);
  } catch {
    return [];
  }
}

function translateHomeAway(homeAway) {
  if (homeAway === 'Home') return 'domicile';
  if (homeAway === 'Away') return 'extérieur';
  return homeAway;
}

function renderWeather(location, weather) {
  if (!weather) return <Text>{location}: Loading weather...</Text>;

  const weatherInfo = weatherCodeMap[weather.weathercode] || { desc: 'Unknown', color: 'white' };

  return (
    <Text>
      {location}: <Text color={weatherInfo.color}>{weatherInfo.desc}</Text>,{' '}
      <Text color="cyan">{weather.temperature}°C</Text> (Vent : {weather.windspeed} km/h)
    </Text>
  );
}

async function fetchDeviceInfo() {
  const url = 'http://192.168.0.19:19837/device-info';
  const response = await fetch(url);
  if (!response.ok) throw new Error('Erreur HTTP ' + response.status);
  return response.json();
}

const LoadingBar = ({ percentage }) => {
  const width = 30;
  const filledWidth = Math.round((percentage / 100) * width);
  const emptyWidth = width - filledWidth;

  return (
    <Box>
      <Text color="green">[</Text>
      <Text color="green">{'='.repeat(filledWidth)}</Text>
      <Text>{' '.repeat(emptyWidth)}</Text>
      <Text color="green">]</Text>
      <Text> {percentage}%</Text>
    </Box>
  );
};

function renderDeviceInfo(deviceInfo, deviceError) {
  if (deviceError) {
    return <Text color="red">{deviceError}</Text>;
  }
  if (!deviceInfo) {
    return <Text>Chargement des informations...</Text>;
  }

  const percentage = deviceInfo.percentage;
  if (percentage == null) {
    return <Text>Status : {deviceInfo.status || 'N/A'}</Text>;
  } else {
    return (
      <Box flexDirection="column" marginTop={1}>
        <LoadingBar percentage={percentage} />
        <Text>Temps restant : {deviceInfo.remainingTime || 'N/A'}</Text>
        <Text>Status : {deviceInfo.status || 'N/A'}</Text>
      </Box>
    );
  }
}

function formatMemoContent(markdownContent) {
  if (!markdownContent) return "";
  return markdownContent.split('\n').map(line => {
    const taskItemMatch = line.match(/^-\s*\[( |x|X)\]\s*/);
    if (taskItemMatch) {
      return '- ' + line.slice(taskItemMatch[0].length);
    }
    return line;
  }).join('\n');
}

async function fetchLatestMemo() {
  const url = "https://memos.couraud.xyz/api/v1/memos?page=1&perPage=1";
  try {
    const response = await fetch(url, {
      headers: {
        Authorization: "Bearer eyJhbGciOiJIUzI1NiIsImtpZCI6InYxIiwidHlwIjoiSldUIn0.eyJuYW1lIjoiZ3JvY2VyaWVzIiwiaXNzIjoibWVtb3MiLCJzdWIiOiIyIiwiYXVkIjpbInVzZXIuYWNjZXNzLXRva2VuIl0sImlhdCI6MTc2MDI3NzQwMX0.H8m6LSaav7cuiQgt_rrzB7Fx4UM7Un11M2S0L5JJfPc"
      }
    });
    if (!response.ok) {
      throw new Error(`HTTP error ${response.status}`);
    }
    const json = await response.json();

    const memosArray = json.memos;
    if (memosArray && memosArray.length > 0) {
      return formatMemoContent(memosArray[0].content);
    }
    return "Aucune note trouvée.";
  } catch (error) {
    return `Erreur lors de la récupération de la note: ${error.message}`;
  }
}

async function fetchTaskTroveTasks() {
  try {
    const response = await fetch(TASKTROVE_API, {
      headers: {
        Authorization: `Bearer ${TASKTROVE_TOKEN}`
      }
    });

    if (!response.ok) return [];

    const data = await response.json();
    const tasks = data.tasks || [];
    const today = new Date().toISOString().split('T')[0];

    return tasks
      .filter(task => {
        if (task.completed) return false;
        const isDueToday = task.dueDate === today;
        const isP1 = task.priority === 1;
        const isP2 = task.priority === 2;
        return isDueToday || isP1 || isP2;
      })
      .map(task => ({
        title: task.title,
        priority: task.priority,
        dueDate: task.dueDate
      }));

  } catch (err) {
    return [];
  }
}

function renderTaskTroveList(tasks) {
  if (!tasks) {
    return <Text>Chargement des tâches...</Text>;
  }

  if (tasks.length === 0) {
    return <Text>Aucune tâche à afficher.</Text>;
  }

  return (
    <Box flexDirection="column">
      {tasks.map((task, index) => {
        const color = task.priority === 1 ? 'red' : task.priority === 2 ? 'yellow' : 'white';
        return (
          <Text key={index} color={color}>
            - {task.title}
          </Text>
        );
      })}
    </Box>
  );
}

function useTerminalSize() {
  const { stdout } = useStdout();
  const [size, setSize] = useState({ width: stdout.columns, height: stdout.rows });

  useEffect(() => {
    if (!stdout) return;
    function onResize() {
      setSize({ width: stdout.columns, height: stdout.rows });
    }
    stdout.on('resize', onResize);
    return () => {
      stdout.off('resize', onResize);
    };
  }, [stdout]);

  return size;
}

function WeatherSection({ weatherNancy, weatherParis, width }) {
  return (
<Box flexDirection="column" justifyContent="flex-start" width={width}>
          {renderWeather('Nancy', weatherNancy)}
      {renderWeather('Paris', weatherParis)}
    </Box>
  );
}

function MatchesSection({ matches, teamColor, teamName, width }) {
  return (
    <Box flexDirection="column" marginTop={1} width={width}>
      <Text color={teamColor}>Matches à venir de <Text color={teamColor}>{teamName}</Text> :</Text>
      {!matches && <Text>Chargement des matchs...</Text>}
      {matches && matches.length === 0 && <Text>Aucun match trouvé.</Text>}
      {matches && matches.slice(0, 2).map((m, i) => (
        <Text key={i} wrap="truncate-end">
          {m.date} {m.time} - <Text color={teamColor}>{teamName}</Text> vs {m.opponent} ({translateHomeAway(m.homeAway)})
        </Text>
      ))}
    </Box>
  );
}

function DeviceSection({ deviceInfo, deviceError, width }) {
  return (
    <Box flexDirection="column" marginTop={1} width={width}>
      <Text color="green">Informations du device :</Text>
      {renderDeviceInfo(deviceInfo, deviceError)}
    </Box>
  );
}

function MemoSection({ latestMemo, width, height }) {
  const lines = latestMemo.split('\n');
  const maxLines = Math.max(height - 28, 4);
  return (
    <Box flexDirection="column" marginTop={1} width={width}>
      <Text color="magenta">Liste de courses</Text>
      {lines.slice(0, maxLines).map((line, index) => (
        <Text key={index} wrap="truncate-end">{line}</Text>
      ))}
    </Box>
  );
}

function TaskTroveSection({ tasks, width }) {
  return (
    <Box flexDirection="column" marginTop={1} width={width}>
      <Text color="cyan">To-Do List</Text>
      {renderTaskTroveList(tasks)}
    </Box>
  );
}


// Fonction utilitaire pour fetcher le classement d'une compétition donnée
async function fetchLeagueStandings(competitionCode) {
  const url = `https://api.football-data.org/v4/competitions/${competitionCode}/standings`;
  try {
    const response = await fetch(url, {
      headers: { "X-Auth-Token": "1535f68086e542528841b5e276f50b45" },
    });
    if (!response.ok) {
      throw new Error(`API error: ${response.status}`);
    }
    const data = await response.json();
    // Retourne uniquement le tableau des équipes pour la saison en cours
    const standings = data.standings?.find(s => s.type === "TOTAL")?.table || [];
    return standings;
  } catch (error) {
    console.error("Erreur fetchLeagueStandings:", error);
    return [];
  }
}

function LeagueTable({ standings, highlightTeamId, highlightColor }) {
  const COL_POS = 5, COL_CLUB = 30, COL_J = 5, COL_PTS = 5;
  const pad = (str, len) => String(str).padEnd(len, " ");

  if (!standings || standings.length === 0) {
    return <Text>Aucun classement disponible.</Text>;
  }

  // Find the index of the highlighted team
  const highlightIndex = standings.findIndex(teamData => teamData.team.id === highlightTeamId);

  // Determine range for slicing: 2 before and 2 after highlighted team with bounds check
  const start = Math.max(0, highlightIndex - 2);
  const end = Math.min(standings.length, highlightIndex + 3); // +3 to include 2 after highlighted team

  // Extract subset of teams to show
  const subsetStandings = (highlightIndex === -1) ? [] : standings.slice(start, end);

  return (
    <Box flexDirection="column" marginTop={1} borderStyle="round" borderColor={highlightColor} padding={1}>
      <Text color="cyan" bold>
        {pad("Pos", COL_POS)}
        {pad("Club", COL_CLUB)}
        {pad("J", COL_J)}
        {pad("Pts", COL_PTS)}
      </Text>
      {subsetStandings.length === 0 && (
        <Text color="yellow">Équipe non trouvée dans le classement.</Text>
      )}
      {subsetStandings.map((teamData, idx) => {
        const isHighlighted = teamData.team.id === highlightTeamId;
        const teamKey = teamData.team.id ?? `team-${start + idx}`;
        return (
          <Text
            key={teamKey}
            color={isHighlighted ? "white" : undefined}
            backgroundColor={isHighlighted ? highlightColor : undefined}
          >
            {pad(teamData.position, COL_POS)}
            {pad(teamData.team.name, COL_CLUB)}
            {pad(teamData.playedGames, COL_J)}
            {pad(teamData.points, COL_PTS)}
          </Text>
        );
      })}
    </Box>
  );
}



export default function App({ name = "Mathias" }) {
  const [now, setNow] = useState(new Date());
  const [weatherNancy, setWeatherNancy] = useState(null);
  const [weatherParis, setWeatherParis] = useState(null);
  const [matchesInter, setMatchesInter] = useState(null);
  const [matchesParis, setMatchesParis] = useState(null);
  const [deviceInfo, setDeviceInfo] = useState(null);
  const [deviceError, setDeviceError] = useState(null);
  const [latestMemo, setLatestMemo] = useState("Chargement de la dernière note...");
  const [taskTroveTasks, setTaskTroveTasks] = useState(null);

  // Nouveaux états pour classements
  const [standingsInter, setStandingsInter] = useState([]);
  const [standingsParis, setStandingsParis] = useState([]);

  const { width, height } = useTerminalSize();

  // Timer pour date/heure live
  useEffect(() => {
    const timer = setInterval(() => setNow(new Date()), 1000);
    return () => clearInterval(timer);
  }, []);

  // Mise à jour météo (implémenter fetchWeather)
  async function updateWeatherData() {
    try {
      const [nancy, paris] = await Promise.all([
        fetchWeather(locations.Nancy.latitude, locations.Nancy.longitude),
        fetchWeather(locations.Paris.latitude, locations.Paris.longitude),
      ]);
      setWeatherNancy(nancy);
      setWeatherParis(paris);
    } catch (_) {}
  }

  // Mise à jour matchs programmés
  async function updateMatchesData() {
    try {
      const [interMatches, parisMatches] = await Promise.all([
        fetchScheduledMatches(INTER_ID),
        fetchScheduledMatches(PARIS_ID),
      ]);
      setMatchesInter(interMatches);
      setMatchesParis(parisMatches);
    } catch (_) {}
  }

  // Mise à jour device info (implémenter fetchDeviceInfo)
  async function updateDeviceInfo() {
    try {
      const data = await fetchDeviceInfo();
      setDeviceInfo(data);
      setDeviceError(null);
    } catch (_) {
      setDeviceError("Impossible de récupérer les informations du device");
      setDeviceInfo(null);
    }
  }

  // Mise à jour dernière note (implémenter fetchLatestMemo)
  async function updateLatestMemo() {
    const memo = await fetchLatestMemo();
    setLatestMemo(memo);
  }

  // Mise à jour tâches TaskTrove (implémenter fetchTaskTroveTasks)
  async function updateTaskTroveTasks() {
    const tasks = await fetchTaskTroveTasks();
    setTaskTroveTasks(tasks);
  }

  // Mise à jour classements
  async function updateStandings() {
    try {
      const [interStandings, parisStandings] = await Promise.all([
        fetchLeagueStandings(COMPETITION_BSA),
        fetchLeagueStandings(COMPETITION_FL1),
      ]);
      setStandingsInter(interStandings);
      setStandingsParis(parisStandings);
    } catch (_) {
      setStandingsInter([]);
      setStandingsParis([]);
    }
  }

  // Initialisation + intervalle rafraîchissement
  useEffect(() => {
    updateWeatherData();
    updateMatchesData();
    updateDeviceInfo();
    updateLatestMemo();
    updateTaskTroveTasks();
    updateStandings();

    const weatherInterval = setInterval(updateWeatherData, 60000);
    const matchesInterval = setInterval(updateMatchesData, 60000);
    const deviceInterval = setInterval(updateDeviceInfo, 60000);
    const memoInterval = setInterval(updateLatestMemo, 60000);
    const taskTroveInterval = setInterval(updateTaskTroveTasks, 60000);
    const standingsInterval = setInterval(updateStandings, 60000);

    return () => {
      clearInterval(weatherInterval);
      clearInterval(matchesInterval);
      clearInterval(deviceInterval);
      clearInterval(memoInterval);
      clearInterval(taskTroveInterval);
      clearInterval(standingsInterval);
    };
  }, []);

  return (
    <Box flexDirection="column" padding={1} height={height} width={width} justifyContent="flex-start" alignItems={width >= 80 ? "center" : "flex-start"}>
      <Box justifyContent="center" width={width}>
        <Text>Hello, <Text color="green">{name}</Text> !</Text>
      </Box>
      <Box justifyContent="center" width={width}>
        <Text color="yellow">{formatDate(now)}</Text>
      </Box>
      <Box justifyContent="center" width={width}>
        <Text color="magenta">{formatTime(now)}</Text>
      </Box>

      <WeatherSection weatherNancy={weatherNancy} weatherParis={weatherParis} width={width} />

      <MatchesSection matches={matchesInter} teamColor="red" teamName="SC Internacional" width={width} />

      <MatchesSection matches={matchesParis} teamColor="blue" teamName="Paris FC" width={width} />

      {/* Nouveaux tableaux classement */}
      <LeagueTable standings={standingsInter} highlightTeamId={INTER_ID} highlightColor="red"  />
      <LeagueTable standings={standingsParis} highlightTeamId={PARIS_ID} highlightColor="blue" />

      <DeviceSection deviceInfo={deviceInfo} deviceError={deviceError} width={width} />

      <MemoSection latestMemo={latestMemo} width={width} height={height} />

      <TaskTroveSection tasks={taskTroveTasks} width={width} />

      <Box justifyContent="center" width={width}>
        <Text dimColor>Press Ctrl+C to exit.</Text>
      </Box>
    </Box>
  );
}