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https://github.com/arthur-pbty/discord-weather-bot.git
synced 2026-08-01 20:28:48 +02:00
first commit
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Puechberty Arthur
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'use strict';
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const { SlashCommandBuilder, EmbedBuilder, AttachmentBuilder } = require('discord.js');
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const {
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fetchWeatherData, getCurrentHourIndex, getNextHoursWindow, getTodayDailyIndex,
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celsiusToKelvin, getWindDirection, getWeatherDescription, getEmbedColor,
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getPressureTendency, getVisibilityLabel, getUvLabel, checkAlerts, knotsFromKmh,
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} = require('../services/weather');
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const { fetchAstronomyData } = require('../services/astronomy');
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const { generateAllCharts } = require('../services/charts');
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const { generateCompositeImage } = require('../services/composite');
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// ─── Embed principal ──────────────────────────────────────────────────────────
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function buildWeatherEmbed(weather, marine, astro, charts) {
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const c = weather.current;
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const h = weather.hourly;
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const d = weather.daily;
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const todayIdx = getTodayDailyIndex(d.time);
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const hourIdx = getCurrentHourIndex(h.time);
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const location = process.env.LOCATION_NAME || `${process.env.LAT}°N ${process.env.LON}°E`;
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const pressTrend = getPressureTendency(h.pressure_msl, hourIdx);
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const isDebug = process.env.DEBUG_METEO === 'true';
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// Comparaison J-1
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const yIdx = todayIdx - 1;
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const hasY = yIdx >= 0 && d.time[yIdx];
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const sign = n => (+n > 0 ? `+${n}` : `${n}`);
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const dTmax = hasY ? (d.temperature_2m_max[todayIdx] - d.temperature_2m_max[yIdx]).toFixed(1) : null;
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const dRain = hasY ? (d.precipitation_sum[todayIdx] - d.precipitation_sum[yIdx]).toFixed(1) : null;
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const dWind = hasY ? (d.wind_speed_10m_max[todayIdx] - d.wind_speed_10m_max[yIdx]).toFixed(1) : null;
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const alerts = checkAlerts(c, d);
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const color = getEmbedColor(c.weather_code);
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const upd = new Date().toLocaleTimeString('fr-FR', { hour:'2-digit', minute:'2-digit', second:'2-digit', timeZone:'Europe/Paris' });
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const embed = new EmbedBuilder()
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.setTitle(`${getWeatherDescription(c.weather_code)} — ${location}`)
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.setColor(color)
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.setDescription(
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`**${c.temperature_2m?.toFixed(1)}°C** · Ressenti **${c.apparent_temperature?.toFixed(1)}°C** · ${c.is_day ? '🌞 Jour' : '🌙 Nuit'}`
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)
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// ── Températures ──────────────────────────────────────────────────────────
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.addFields({
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name: '🌡️ Températures',
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value: [
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`Actuelle : **${c.temperature_2m?.toFixed(1)}°C** (${celsiusToKelvin(c.temperature_2m)} K)`,
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`Ressentie : **${c.apparent_temperature?.toFixed(1)}°C**`,
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`Max / Min : **${d.temperature_2m_max[todayIdx]}°C** / **${d.temperature_2m_min[todayIdx]}°C**`,
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`Humidité : **${c.relative_humidity_2m}%**`,
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].join('\n'),
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inline: true,
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})
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// ── Vent (noeuds + km/h) ──────────────────────────────────────────────────
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.addFields({
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name: '💨 Vent',
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value: [
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`Vitesse : **${knotsFromKmh(c.wind_speed_10m)} kt** (${c.wind_speed_10m?.toFixed(0)} km/h)`,
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`Rafales : **${knotsFromKmh(c.wind_gusts_10m)} kt** (${c.wind_gusts_10m?.toFixed(0)} km/h)`,
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`Direction : **${getWindDirection(c.wind_direction_10m)}** (${c.wind_direction_10m?.toFixed(0)}°)`,
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`Max jour : **${knotsFromKmh(d.wind_speed_10m_max[todayIdx])} kt** (${d.wind_speed_10m_max[todayIdx]} km/h)`,
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].join('\n'),
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inline: true,
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})
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// ── Précipitations ────────────────────────────────────────────────────────
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.addFields({
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name: '🌧️ Précipitations',
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value: [
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`Actuelle : **${c.precipitation?.toFixed(1)} mm/h**`,
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`Probabilité: **${h.precipitation_probability[hourIdx] ?? 'N/A'}%**`,
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`Total jour : **${d.precipitation_sum[todayIdx]?.toFixed(1)} mm**`,
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`Neige : ${c.snowfall?.toFixed(1)} cm/h`,
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].join('\n'),
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inline: true,
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})
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// ── Atmosphère ────────────────────────────────────────────────────────────
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.addFields({
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name: '🔵 Atmosphère',
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value: [
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`Pression : **${c.pressure_msl?.toFixed(1)} hPa** ${pressTrend}`,
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`UV actuel : **${c.uv_index?.toFixed(1)}** — ${getUvLabel(c.uv_index)}`,
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`UV max j. : **${d.uv_index_max[todayIdx]}**`,
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].join('\n'),
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inline: true,
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})
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// ── Nuages ────────────────────────────────────────────────────────────────
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.addFields({
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name: '☁️ Nuages',
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value: [
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`Total : **${c.cloud_cover}%**`,
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`Bas : ${h.cloud_cover_low[hourIdx]}%`,
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`Moyen : ${h.cloud_cover_mid[hourIdx]}%`,
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`Haut : ${h.cloud_cover_high[hourIdx]}%`,
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].join('\n'),
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inline: true,
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})
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// ── Visibilité ────────────────────────────────────────────────────────────
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.addFields({
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name: '👁️ Visibilité',
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value: [
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`**${(c.visibility / 1000).toFixed(1)} km**`,
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getVisibilityLabel(c.visibility),
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].join('\n'),
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inline: true,
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})
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// ── Astronomie ────────────────────────────────────────────────────────────
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.addFields({
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name: '🌅 Astronomie',
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value: [
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`🌅 **${astro.sunrise}** · 🌇 **${astro.sunset}** · ☀️ Zénith **${astro.solar_noon}** · ⏱️ **${astro.day_length}**`,
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].join('\n'),
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inline: false,
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})
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// ── Lune ──────────────────────────────────────────────────────────────────
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.addFields({
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name: '🌙 Phase lunaire',
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value: [
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`${astro.moon.phaseEmoji} **${astro.moon.phaseName}**`,
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`Illumination : **${astro.moon.illumination}%** · J+${astro.moon.daysInCycle}`,
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].join('\n'),
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inline: true,
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});
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// ── Marine ────────────────────────────────────────────────────────────────
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if (marine) {
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const mh = marine.hourly;
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const { start } = getNextHoursWindow(mh.time);
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const wH = mh.wave_height?.[start], wP = mh.wave_period?.[start];
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const wD = mh.wave_direction?.[start], sH = mh.swell_wave_height?.[start];
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if (wH != null) {
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embed.addFields({
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name: '🌊 Marine',
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value: [
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`Vagues : **${wH?.toFixed(2)} m** · Période : **${wP?.toFixed(1)} s**`,
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`Direction : **${getWindDirection(wD)}** (${wD?.toFixed(0)}°)${sH != null ? ` · Houle : **${sH?.toFixed(2)} m**` : ''}`,
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].join('\n'),
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inline: true,
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});
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}
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}
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// ── Comparaison J-1 ───────────────────────────────────────────────────────
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if (hasY && dTmax !== null) {
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embed.addFields({
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name: '📊 Vs hier',
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value: `Tmax ${sign(dTmax)}°C ${+dTmax>0?'↑':'↓'} · Pluie ${sign(dRain)} mm ${+dRain>0?'↑':'↓'} · Vent max ${sign(dWind)} km/h ${+dWind>0?'↑':'↓'}`,
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inline: false,
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});
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}
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// ── Alertes ───────────────────────────────────────────────────────────────
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if (alerts.length > 0) {
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embed.addFields({
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name: '⚠️ Alertes',
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value: alerts.map(a => `${a.lvl} ${a.msg}`).join('\n'),
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inline: false,
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});
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}
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// ── Debug ─────────────────────────────────────────────────────────────────
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if (isDebug) {
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embed.addFields({
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name: '🔧 Debug',
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value: [
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`Cache : ${weather.fetchedAt?.toLocaleTimeString('fr-FR', { timeZone:'Europe/Paris' })}`,
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`hourIdx : ${hourIdx} | todayIdx : ${todayIdx}`,
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`Astro src : ${astro.source}`,
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`Charts OK : ${Object.keys(charts).filter(k => Buffer.isBuffer(charts[k])).length}/8`,
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].join('\n'),
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inline: false,
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});
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}
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if (charts.errors?.length) {
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embed.addFields({ name: '⚙️ Graphiques partiels', value: `${charts.errors.length} erreur(s)`, inline: false });
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}
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embed.setFooter({ text: `📡 Open-Meteo · Sunrise-Sunset.org · QuickChart.io | 🕐 ${upd}` });
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return embed;
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}
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// ─── Envoi du rapport complet ─────────────────────────────────────────────────
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async function sendWeatherReport(target, isInteraction = false) {
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const { weather, marine, fetchedAt } = await fetchWeatherData();
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const astro = await fetchAstronomyData(process.env.LAT, process.env.LON, weather.daily);
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const charts = await generateAllCharts(weather.hourly);
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const embed = buildWeatherEmbed({ ...weather, fetchedAt }, marine, astro, charts);
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const chartDefs = [
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{ key:'temperature', name:'temperature.png' },
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{ key:'wind', name:'wind.png' },
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{ key:'rain', name:'precipitation.png'},
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{ key:'pressure', name:'pressure.png' },
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{ key:'clouds', name:'clouds.png' },
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{ key:'uv', name:'uv.png' },
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{ key:'solar', name:'solar.png' },
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{ key:'tide', name:'tide.png' },
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];
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const files = chartDefs
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.filter(d => Buffer.isBuffer(charts[d.key]))
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.map(d => new AttachmentBuilder(charts[d.key], { name: d.name }));
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const send = o => isInteraction ? target.editReply(o) : target.send(o);
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const followUp = o => isInteraction ? target.followUp(o) : target.send(o);
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await send({ embeds: [embed] });
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if (files.length > 0) {
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await followUp({ content: `📊 **Graphiques sur 24h** (${files.length}/8)`, files });
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}
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// ── Image composite récapitulative ────────────────────────────────────────
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try {
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const compositeBuffer = await generateCompositeImage({ weather: { weather, fetchedAt }, marine, astro, charts });
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await followUp({
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content: '🖼️ **Rapport récapitulatif — image partageable**',
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files: [new AttachmentBuilder(compositeBuffer, { name: 'meteo_recap.png' })],
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});
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} catch (err) {
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console.warn('[composite] Génération échouée :', err.message);
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// Pas d'erreur fatale si le composite rate
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}
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}
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// ─── Commande slash ───────────────────────────────────────────────────────────
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module.exports = {
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data: new SlashCommandBuilder()
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.setName('meteo')
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.setDescription('Météo ultra-détaillée avec graphiques et image récapitulative'),
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async execute(interaction) {
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await interaction.deferReply();
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try {
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await sendWeatherReport(interaction, true);
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} catch (err) {
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console.error('[/meteo]', err);
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const msg = `❌ **Erreur**\n\`\`\`${err.message}\`\`\``;
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await (interaction.deferred ? interaction.editReply({ content: msg }) : interaction.reply({ content: msg, ephemeral: true }));
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}
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},
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sendWeatherReport,
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};
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