export class Seasons {
    constructor(game) {
        this.game = game;
        this.current = 'autumn';
        this.dayInSeason = 0;
        this.daysPerSeason = 7;
        this.seasonIndex = 2; // autumn
        this.lastDay = 0;
    }

    update() {
        if (this.game.gameDay !== this.lastDay) {
            this.lastDay = this.game.gameDay;
            this.dayInSeason++;

            if (this.dayInSeason > this.daysPerSeason) {
                const prevSeason = this.current;
                this.dayInSeason = 1;
                this.seasonIndex = (this.seasonIndex + 1) % 4;
                this.current = Seasons.SEASONS[this.seasonIndex];
                this.game.notify(`Наступила ${this.getName()}! ${this.getIcon()}`, 'good');

                // Пережили зиму
                if (prevSeason === 'winter') {
                    this.game.questSystem.onEvent('survive_winter');
                }
            }
        }
    }

    // Модификатор базовой температуры
    getTemperatureModifier() {
        switch (this.current) {
            case 'winter': return -15;
            case 'spring': return -2;
            case 'summer': return 10;
            case 'autumn': return -5;
            default: return 0;
        }
    }

    // Множитель потери тепла
    getWarmthDrain() {
        switch (this.current) {
            case 'winter': return 1.5;
            case 'spring': return 0.8;
            case 'summer': return 0.3;
            case 'autumn': return 1.0;
            default: return 1;
        }
    }

    // Множитель потери голода
    getHungerDrain() {
        switch (this.current) {
            case 'winter': return 1.3;
            case 'summer': return 0.8;
            default: return 1;
        }
    }

    // Веса погодных типов для каждого сезона
    getWeatherWeights() {
        switch (this.current) {
            case 'winter': return { clear: 1, rain: 1, snow: 5, fog: 3 };
            case 'spring': return { clear: 3, rain: 4, snow: 0, fog: 2 };
            case 'summer': return { clear: 5, rain: 2, snow: 0, fog: 1 };
            case 'autumn': return { clear: 2, rain: 4, snow: 1, fog: 3 };
            default: return { clear: 3, rain: 2, snow: 1, fog: 1 };
        }
    }

    getName() {
        return Seasons.NAMES[this.current];
    }

    getIcon() {
        return Seasons.ICONS[this.current];
    }

    getDaysLeft() {
        return this.daysPerSeason - this.dayInSeason;
    }

    getSaveData() {
        return {
            current: this.current,
            dayInSeason: this.dayInSeason,
            seasonIndex: this.seasonIndex,
            lastDay: this.lastDay
        };
    }

    loadSaveData(data) {
        if (data) {
            this.current = data.current || 'autumn';
            this.dayInSeason = data.dayInSeason || 0;
            this.seasonIndex = data.seasonIndex || 2;
            this.lastDay = data.lastDay || 0;
        }
    }

    reset() {
        this.current = 'autumn';
        this.dayInSeason = 0;
        this.seasonIndex = 2;
        this.lastDay = 0;
    }
}

Seasons.SEASONS = ['spring', 'summer', 'autumn', 'winter'];
Seasons.NAMES = { spring: 'Весна', summer: 'Лето', autumn: 'Осень', winter: 'Зима' };
Seasons.ICONS = { spring: '🌱', summer: '☀️', autumn: '🍂', winter: '❄️' };