storage.js

(function () {
  'use strict';

  const KEY = 'fokuskoc_v1';
  const SCHEMA_VERSION = 1;

  const DEFAULT = {
    schemaVersion: SCHEMA_VERSION,
    goals: [],
    tasks: [],
    sessions: [],
    checkins: [],
    chatHistory: [],
    settings: {
      lang: 'tr',
      pomodoro: { focus: 25, break: 5 },
    },
  };

  function load() {
    try {
      const raw = localStorage.getItem(KEY);
      if (!raw) return structuredClone(DEFAULT);
      const data = JSON.parse(raw);
      return { ...structuredClone(DEFAULT), ...data, settings: { ...DEFAULT.settings, ...(data.settings || {}) } };
    } catch (e) {
      console.warn('Storage load failed, resetting', e);
      return structuredClone(DEFAULT);
    }
  }

  function save(data) {
    try {
      if (data.chatHistory && data.chatHistory.length > 100) {
        data.chatHistory = data.chatHistory.slice(-100);
      }
      localStorage.setItem(KEY, JSON.stringify(data));
    } catch (e) {
      console.warn('Storage save failed', e);
    }
  }

  const db = {
    _cache: null,
    get(key) {
      if (!this._cache) this._cache = load();
      return key ? this._cache[key] : this._cache;
    },
    set(key, value) {
      if (!this._cache) this._cache = load();
      this._cache[key] = value;
      save(this._cache);
    },
    update(key, fn) {
      const current = this.get(key);
      this.set(key, fn(current));
    },
    reset() {
      this._cache = structuredClone(DEFAULT);
      save(this._cache);
    },
    uid() {
      return Date.now().toString(36) + Math.random().toString(36).slice(2, 7);
    },
  };

  window.db = db;
})();