saveManager.js

// ECLIPSE RISING - LocalStorage Save & Achievements Manager

const SAVE_KEY = "eclipse_rising_save_v1";

const DEFAULT_SAVE = {
    character: null,      // 'knight' or 'sorceress'
    level: 1,
    xp: 0,
    xpNeeded: 100,
    unlockedBosses: [1],   // Boss IDs unlocked: 1, 2, 3, 4
    completedLevels: [],
    achievements: [],      // Achievement IDs unlocked
    stats: {
        totalExercises: 0,
        totalDamageTaken: 0,
        highestCombo: 0,
        totalCalories: 0,
        bossesDefeated: 0
    }
};

export const Achievements = [
    {
        id: "first_blood",
        title: "First Blood",
        desc: "Defeat The Bone Warden (Level 1)",
        icon: "☠️"
    },
    {
        id: "untouchable",
        title: "Untouchable",
        desc: "Complete any boss duel without taking damage",
        icon: "🛡️"
    },
    {
        id: "combo_lord",
        title: "Combo Lord",
        desc: "Reach a 15x Combo count in combat",
        icon: "🔥"
    },
    {
        id: "eclipse_savior",
        title: "Eclipse Savior",
        desc: "Defeat The Eclipse King and restore the dawn",
        icon: "☀️"
    }
];

class SaveManager {
    constructor() {
        this.currentData = this.loadSave();
    }

    loadSave() {
        try {
            const data = localStorage.getItem(SAVE_KEY);
            if (data) {
                // Merge with defaults to ensure newer fields exist
                const parsed = JSON.parse(data);
                return {
                    ...DEFAULT_SAVE,
                    ...parsed,
                    stats: { ...DEFAULT_SAVE.stats, ...parsed.stats },
                    unlockedBosses: parsed.unlockedBosses || [1],
                    achievements: parsed.achievements || [],
                    completedLevels: parsed.completedLevels || []
                };
            }
        } catch (e) {
            console.error("Error loading save file, using default data.", e);
        }
        return JSON.parse(JSON.stringify(DEFAULT_SAVE));
    }

    save() {
        try {
            localStorage.setItem(SAVE_KEY, JSON.stringify(this.currentData));
        } catch (e) {
            console.error("Failed to write save to LocalStorage.", e);
        }
    }

    reset() {
        this.currentData = JSON.parse(JSON.stringify(DEFAULT_SAVE));
        this.save();
        return this.currentData;
    }

    setCharacter(charId) {
        this.currentData.character = charId;
        this.save();
    }

    unlockBoss(bossId) {
        const id = parseInt(bossId);
        if (!this.currentData.unlockedBosses.includes(id)) {
            this.currentData.unlockedBosses.push(id);
            this.save();
            return true;
        }
        return false;
    }

    completeLevel(bossId) {
        const id = parseInt(bossId);
        if (!this.currentData.completedLevels.includes(id)) {
            this.currentData.completedLevels.push(id);
        }

        // Auto unlock next boss
        const nextBoss = id + 1;
        if (nextBoss <= 4) {
            this.unlockBoss(nextBoss);
        }

        this.currentData.stats.bossesDefeated = this.currentData.completedLevels.length;

        // Award achievements
        if (id === 1) this.unlockAchievement("first_blood");
        if (id === 4) this.unlockAchievement("eclipse_savior");

        this.save();
    }

    addXP(amount) {
        this.currentData.xp += amount;
        let leveledUp = false;

        while (this.currentData.xp >= this.currentData.xpNeeded) {
            this.currentData.xp -= this.currentData.xpNeeded;
            this.currentData.level++;
            this.currentData.xpNeeded = Math.floor(this.currentData.xpNeeded * 1.5);
            leveledUp = true;
        }

        this.save();
        return leveledUp;
    }

    updateStats(statsDelta) {
        if (statsDelta.exercises) this.currentData.stats.totalExercises += statsDelta.exercises;
        if (statsDelta.damageTaken) this.currentData.stats.totalDamageTaken += statsDelta.damageTaken;
        if (statsDelta.calories) this.currentData.stats.totalCalories += statsDelta.calories;

        if (statsDelta.highestCombo && statsDelta.highestCombo > this.currentData.stats.highestCombo) {
            this.currentData.stats.highestCombo = statsDelta.highestCombo;
            if (this.currentData.stats.highestCombo >= 15) {
                this.unlockAchievement("combo_lord");
            }
        }

        this.save();
    }

    unlockAchievement(achId) {
        if (!this.currentData.achievements.includes(achId)) {
            this.currentData.achievements.push(achId);
            this.save();
            this.showAchievementBanner(achId);
            return true;
        }
        return false;
    }

    showAchievementBanner(achId) {
        const ach = Achievements.find(a => a.id === achId);
        if (!ach) return;

        // Build DOM notification overlay
        const banner = document.createElement("div");
        banner.className = "achievement-banner";
        banner.style.cssText = `
      position: absolute;
      top: 25px;
      left: 50%;
      transform: translateX(-50%) translateY(-50px);
      background: rgba(18, 12, 12, 0.95);
      border: 1px solid #ffdfad;
      box-shadow: 0 0 20px rgba(179, 143, 84, 0.8);
      border-radius: 4px;
      padding: 12px 24px;
      display: flex;
      align-items: center;
      gap: 15px;
      z-index: 9999;
      opacity: 0;
      transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
      pointer-events: none;
    `;

        banner.innerHTML = `
      <div style="font-size: 2rem;">${ach.icon}</div>
      <div>
        <div style="font-family: 'Cinzel', serif; color: #ffdfad; font-weight: bold; font-size: 0.85rem; letter-spacing: 1px;">ACHIEVEMENT UNLOCKED</div>
        <div style="color: #fff; font-weight: bold; font-size: 1.05rem; margin-top: 2px;">${ach.title}</div>
        <div style="color: #8c8276; font-size: 0.75rem; margin-top: 2px;">${ach.desc}</div>
      </div>
    `;

        document.body.appendChild(banner);

        // Play chime SFX
        try {
            import("./audioManager.js").then(({ audio }) => {
                audio.playHealAura();
            });
        } catch (e) { }

        // Animate in, then out
        setTimeout(() => {
            banner.style.transform = "translateX(-50%) translateY(0)";
            banner.style.opacity = "1";
        }, 100);

        setTimeout(() => {
            banner.style.transform = "translateX(-50%) translateY(-50px)";
            banner.style.opacity = "0";
            setTimeout(() => {
                banner.remove();
            }, 500);
        }, 4500);
    }
}

export const saveManager = new SaveManager();
export default saveManager;