station_emojis.ts

import { getSunrise, getSunset } from "sunrise-sunset-js";
import { customEmojisAvailable, shouldDisplayMay1stCustomEmoji } from "./utilities.js";

// Enum with three possible values:
// - day
// - night
// - between
enum DayNightStatus {
    day,
    night,
    between,
    horizonSun,
}

// Offset a date by a number of minutes
function addMinutes(date: Date, minutes: number): Date {
    return new Date(date.getTime() + minutes * 60000);
}

function getDayNightStatus(): DayNightStatus {
    // Latitude and longitude of Strasbourg
    const lat = 48.5734053;
    const lon = 7.7521113;

    // Store sunrise date
    let sunrise = getSunrise(lat, lon);
    let sunset = getSunset(lat, lon);

    // Dawn start
    let dawnStart = addMinutes(sunrise, -15);

    // Dusk
    let duskEnd = addMinutes(sunset, 20);

    // Current time
    let now = new Date();

    if (now < dawnStart) {
        return DayNightStatus.night;
    } else if (now >= dawnStart && now < sunrise) {
        return DayNightStatus.between;
    } else if (now >= sunrise && now < addMinutes(sunrise, 20)) {
        return DayNightStatus.horizonSun;
    } else if (
        now >= addMinutes(sunrise, 20) &&
        now < addMinutes(sunset, -20)
    ) {
        return DayNightStatus.day;
    } else if (now >= addMinutes(sunset, -20) && now < addMinutes(sunset, 5)) {
        return DayNightStatus.horizonSun;
    } else if (now >= addMinutes(sunset, 5) && now < duskEnd) {
        return DayNightStatus.between;
    } else {
        return DayNightStatus.night;
    }
}

export function emojiForStation(station: string): string | null {
    switch (station) {
        case "Esplanade":
            switch (getDayNightStatus()) {
                case DayNightStatus.day:
                    return "🏙";
                case DayNightStatus.between:
                    return "🌆";
                case DayNightStatus.night:
                    return "🌃";
                case DayNightStatus.horizonSun:
                    return "🌇";
                default:
                    return "🏙";
            }
        case "Palerme":
            return "🍕";
        case "Rome":
            return "🇮🇹";
        case "Université":
            return "🎓";
        case "Observatoire":
            return "🔭";
        case "Cité Administrative":
            return "🏢";
        case "Campus d'Illkirch":
            return "🔬";
        case "Musée d'Art Moderne":
            return "🧑‍🎨";
        case "Homme de Fer":
            return "⚔️";
        case "Londres":
            return "🇬🇧";
        case "Port du Rhin":
            return "⚓️";
        case "Jean Jaures":
            if (shouldDisplayMay1stCustomEmoji()) {
                return "🌹 <:lilyofthevalley:1102362759141785610>";
            } else {
                return "🌹";
            }
        case "Winston Churchill":
            return "🇬🇧";
        case "Kehl Bahnhof":
            return "🇩🇪 🚉";
        case "Hochschule / Läger":
            return "🇩🇪 🎓";
        case "Kehl Rathaus":
            return "🇩🇪 🏛️";
        case "Baggersee":
            return "🏊";
        case "Abbé de l'Epée":
            return "🗡";
        case "Acacias":
            return "🌳";
        case "Soleil":
            return "🌞";
        case "Aeroparc":
            return "✈️";
        case "Alouettes":
            return "🐦";
        case "Conseil de l'Europe":
        case "Droits de l'Homme":
        case "Parlement Européen":
            return "🇪🇺";
        case "Gallia":
            return "🐓";
        case "République":
            return "🇫🇷";
        case "Place d'Islande":
            return "🇮🇸";
        case "Athènes":
            return "🇬🇷";
        case "Avenir":
            return "🚀";
        case "Bâle":
            return "🇨🇭";
        case "Bois Fleuri":
            if (shouldDisplayMay1stCustomEmoji()) {
                return "🌳 <:lilyofthevalley:1102362759141785610>";
            } else {
                return "🌳 🌸";
            }
        case "Bruxelles":
            return "🇧🇪";
        case "Bugatti":
            return "🏎";
        case "Camping":
            return "⛺️";
        case "Cerisiers":
            return "🍒 🌸";
        case "Centre Sportif":
            return "💪";
        case "Château d'Eau":
            return "💧";
        case "Chopin":
            return "🎵";
        case "Cimetière":
        case "Cimetière Nord":
        case "Cimetière Sud":
            return "🪦";
        case "Copernic":
            return "☀️ 🔭";
        case "Electricité":
            return "⚡️";
        case "Gare Centrale":
            return "🚄 🚈 🚊 🚌";
        case "Hay Ecomusée":
            return "🌱 🌍";
        case "Hôpital de Hautepierre":
            return "🏥";
        case "Imprimeurs":
            return "🖨";
        case "Jardins":
            if (shouldDisplayMay1stCustomEmoji()) {
                return "🌳 <:lilyofthevalley:1102362759141785610> 🌲";
            } else {
                return "🌳 ⛲️ 🌲";
            }
        case "Jardiniers":
            if (shouldDisplayMay1stCustomEmoji()) {
                return "🧑‍🌾 <:lilyofthevalley:1102362759141785610>";
            } else {
                return "🧑‍🌾";
            }
        case "Jardin des deux Rives":
            if (shouldDisplayMay1stCustomEmoji()) {
                return "🇫🇷 🌳 <:lilyofthevalley:1102362759141785610> 🌳 🇩🇪";
            } else {
                return "🇫🇷 🌳 🇩🇪";
            }
        case "Jean Monnet":
            return "👨‍🎨";
        case "Liberté":
            return "🗽";
        case "Madrid":
            return "🇪🇸";
        case "Ankara":
            return "🇹🇷";
        case "Michel Ange":
            return "👨‍🎨 🇮🇹";
        case "Mozart":
            return "🎵";
        case "Nord":
            return "🧭";
        case "Paix":
            return "🏳";
        case "Papeterie":
            return "📄";
        case "Protection":
            return "🛡";
        case "Krimmeri Meinau":
            return "⚽️";
        case "Landsberg":
            if (customEmojisAvailable()) {
                return "<:landsberg:1103837491720634449>";
            } else {
                return null;
            }
        default:
            return null;
    }
}