// ============================================================
// Bratonien Adventskalender – Türchen-Sperrlogik & Dev-Overlay
// ============================================================
// Autor: Thomas Dannenberg & GPT-5
// Pfad: shared/js/lock.js
// Zweck: Sperrt Türchen nach aktuellem Tag, mit Dev-Modus (?dev)

(() => {
  const pathMatch = window.location.pathname.match(/\/(\d{4})\//);
  const YEAR = pathMatch ? pathMatch[1] : new Date().getFullYear();
  const PARAMS = new URLSearchParams(window.location.search);
  const DEV_MODE = PARAMS.has("dev");

  // Lokale Speicherkeys
  const KEY_SIM_DAY = `bratonien_${YEAR}_sim_day`;
  const KEY_UNLOCKED = `bratonien_${YEAR}_dev_unlock`;

  // === Aktuellen Tag bestimmen ===
  function getCurrentDay() {
    if (DEV_MODE) {
      const simDay = parseInt(localStorage.getItem(KEY_SIM_DAY), 10) || 1;
      return simDay;
    }

    const now = new Date();
    const month = now.getMonth() + 1; // Dez = 12
    const day = now.getDate();

    // Nur im Dezember relevant
    if (month !== 12) return 0;
    if (day >= 25) return 25; // Nach dem 24.12. alles offen
    return day;
  }

  // === Türchen-Freigabe prüfen ===
  window.isDoorUnlocked = function (day) {
    const current = getCurrentDay();
    const unlocked = localStorage.getItem(KEY_UNLOCKED) === "true";

    if (unlocked) return true;
    if (current >= 25) return true; // Nach 24. alles frei
    return parseInt(day, 10) <= current;
  };

  // === Dev-Overlay aufbauen ===
  if (DEV_MODE) {
    const overlay = document.createElement("div");
    overlay.id = "dev-overlay";
    overlay.style.cssText = `
      position: fixed;
      bottom: 10px;
      right: 10px;
      background: rgba(0,0,0,0.7);
      color: #fff;
      font-family: monospace;
      font-size: 13px;
      padding: 10px;
      border-radius: 8px;
      z-index: 9999;
      display: flex;
      flex-direction: column;
      gap: 6px;
      align-items: center;
    `;

    // Infozeile
    const info = document.createElement("div");
    info.textContent = `DEV-MODUS: Simuliertag ${getCurrentDay()}`;
    overlay.appendChild(info);

    // Buttonleiste
    const grid = document.createElement("div");
    grid.style.cssText = `
      display: grid;
      grid-template-columns: repeat(8, 1fr);
      gap: 4px;
    `;

    for (let i = 1; i <= 24; i++) {
      const btn = document.createElement("button");
      btn.textContent = i;
      btn.style.cssText = `
        padding: 3px 6px;
        background: #444;
        color: #fff;
        border: 1px solid #777;
        border-radius: 4px;
        cursor: pointer;
      `;
      btn.onclick = () => {
        localStorage.setItem(KEY_SIM_DAY, i);
        info.textContent = `DEV-MODUS: Simuliertag ${i}`;
      };
      grid.appendChild(btn);
    }
    overlay.appendChild(grid);

    // Unlock & Reset
    const actions = document.createElement("div");
    actions.style.cssText = "display:flex;gap:6px;margin-top:6px;";

    const unlockBtn = document.createElement("button");
    unlockBtn.textContent = "🔓 Sperre aufheben";
    unlockBtn.style.cssText = `
      background:#2c6e49;color:white;border:none;
      padding:5px 10px;border-radius:4px;cursor:pointer;
    `;
    unlockBtn.onclick = () => {
      localStorage.setItem(KEY_UNLOCKED, "true");
      alert("Alle Türchen entsperrt.");
    };

    const resetBtn = document.createElement("button");
    resetBtn.textContent = "⟳ Reset";
    resetBtn.style.cssText = `
      background:#8b0000;color:white;border:none;
      padding:5px 10px;border-radius:4px;cursor:pointer;
    `;
    resetBtn.onclick = () => {
      localStorage.removeItem(KEY_SIM_DAY);
      localStorage.removeItem(KEY_UNLOCKED);
      localStorage.removeItem(`bratonien_${YEAR}_progress`);
      alert("Entwicklungseinstellungen & Fortschritt zurückgesetzt.");
      location.reload();
    };

    actions.appendChild(unlockBtn);
    actions.appendChild(resetBtn);
    overlay.appendChild(actions);

    document.body.appendChild(overlay);
  }

  console.log(`[Lock.js] Initialisiert – aktueller Tag: ${getCurrentDay()} (Dev=${DEV_MODE})`);
})();