// Sprite-Editor: Gebäude in allen Ausbaustufen (1×1 und 2×2/Mega) auf echten
// Tiles justieren – Sprite-Breite, Boden-Anker und Solarpanel-Position.
// Werte landen live in localStorage (tt_sprite_tuning) und wirken sofort im
// Spiel auf diesem Gerät; der Export wird von Atlas fest in iso.js übernommen.

import { createState, place } from './model.js';
import { IsoRenderer, SPRITE_DEFS, SOLAR_POS } from './iso.js';
import { BUILDINGS } from './data.js';

const $ = id => document.getElementById(id);

// ---------- Test-Welt: flach geräumte Bühne ----------
const state = createState('boom');
state.stageRow = 0;
state.season = 'Sommer';
state.money = 9e9;
state.guestsToday = 0;
for (const row of state.map) {
  for (const t of row) {
    t.building = null; t.level = null;
    delete t.buildingRef; delete t.mega; delete t.eco;
  }
}
state.buildings = []; state.pistes = []; state.trails = [];

// Bühne: ebene 2×2-Fläche nahe der Kartenmitte suchen
let SPOT = { c: 18, r: 24 };
outer:
for (let r = 20; r < 34; r++) {
  for (let c = 10; c < 28; c++) {
    const ok = [[0, 0], [1, 0], [0, 1], [1, 1]].every(([dc, dr]) => {
      const t = state.map[r + dr]?.[c + dc];
      return t && !t.road && t.terrain !== 'water' && t.terrain !== 'village'
        && t.terrain !== 'rock' && t.elev >= 1 && t.elev <= 3;
    });
    if (ok) { SPOT = { c, r }; break outer; }
  }
}

const renderer = new IsoRenderer(document.getElementById('map'), state, { onTileTap: () => {} });

// ---------- Tuning-Store ----------
let tuned = { sprites: {}, solar: {} };
try { tuned = Object.assign(tuned, JSON.parse(localStorage.getItem('tt_sprite_tuning') || '{}')); } catch {}
function saveTuning() {
  localStorage.setItem('tt_sprite_tuning', JSON.stringify(tuned));
  $('edOut').value = JSON.stringify(tuned, null, 2);
}

// ---------- Auswahl ----------
const sel = $('edType');
for (const [type, def] of Object.entries(BUILDINGS)) {
  if (def.action) continue;                       // Aufforsten etc.
  const o = document.createElement('option');
  o.value = type;
  o.textContent = `${def.emoji} ${def.name}`;
  sel.appendChild(o);
}
let curLevel = 1;

function spriteKey() {
  const type = sel.value;
  if ($('edMega').checked && SPRITE_DEFS[`mega_${type}`]) return `mega_${type}`;
  if (type === 'hotel' && curLevel >= 2) return 'hotel2';
  return type;
}

// ---------- Bühne neu bestücken ----------
function rebuild() {
  for (const row of state.map) {
    for (const t of row) {
      t.building = null; t.level = null;
      delete t.buildingRef; delete t.mega; delete t.eco;
    }
  }
  state.buildings = []; state.pistes = []; state.trails = [];
  const type = sel.value;
  const def = BUILDINGS[type];
  const mega = $('edMega').checked && (def.size || 1) === 1;
  const { c, r } = SPOT;
  if (mega) {
    // 4 gleiche im Quadrat → verschmilzt automatisch (falls merge-fähig),
    // sonst von Hand zum 2×2 zusammensetzen.
    place(state, type, c, r); place(state, type, c + 1, r);
    place(state, type, c, r + 1); place(state, type, c + 1, r + 1);
    let b = state.buildings.find(x => x.mega);
    if (!b && state.buildings.length) {
      b = state.buildings[0];
      state.buildings = [b];
      b.size = 2; b.mega = true;
      for (let dr = 0; dr < 2; dr++) for (let dc = 0; dc < 2; dc++) {
        const t = state.map[r + dr][c + dc];
        t.building = type;
        if (dr || dc) t.buildingRef = { c, r };
        else { delete t.buildingRef; t.mega = true; }
      }
    }
  } else {
    place(state, type, c, r);
  }
  const b = state.buildings[0];
  if (b) {
    b.level = curLevel;
    state.map[b.r][b.c].level = curLevel;
    if ($('edEco').checked) { b.eco = true; state.map[b.r][b.c].eco = true; }
  }
  syncSliders();
}

// ---------- Slider ↔ Werte ----------
function syncSliders() {
  const key = spriteKey();
  const sd = SPRITE_DEFS[key] || { w: 60, bottom: 8 };
  const sp = SOLAR_POS[key]
    || ($('edMega').checked || (BUILDINGS[sel.value].size || 1) > 1
      ? SOLAR_POS.defaultBig : SOLAR_POS.default);
  $('edW').value = sd.w; $('edWv').textContent = sd.w;
  $('edB').value = sd.bottom; $('edBv').textContent = sd.bottom;
  $('edSX').value = sp.dx ?? 0; $('edSXv').textContent = sp.dx ?? 0;
  $('edSY').value = sp.dy ?? -27; $('edSYv').textContent = sp.dy ?? -27;
  $('edSS').value = sp.s ?? 1; $('edSSv').textContent = (sp.s ?? 1).toFixed(2);
}

function applySprite() {
  const key = spriteKey();
  const w = +$('edW').value, bottom = +$('edB').value;
  SPRITE_DEFS[key] = Object.assign(SPRITE_DEFS[key] || {}, { w, bottom });
  tuned.sprites[key] = { w, bottom };
  $('edWv').textContent = w; $('edBv').textContent = bottom;
  saveTuning();
}
function applySolar() {
  const key = spriteKey();
  const v = { dx: +$('edSX').value, dy: +$('edSY').value, s: +$('edSS').value };
  SOLAR_POS[key] = v;
  tuned.solar[key] = v;
  $('edSXv').textContent = v.dx; $('edSYv').textContent = v.dy;
  $('edSSv').textContent = v.s.toFixed(2);
  saveTuning();
}

['edW', 'edB'].forEach(id => $(id).addEventListener('input', applySprite));
['edSX', 'edSY', 'edSS'].forEach(id => $(id).addEventListener('input', applySolar));

sel.addEventListener('change', rebuild);
$('edMega').addEventListener('change', rebuild);
$('edEco').addEventListener('change', rebuild);
document.querySelectorAll('#edLevels button').forEach(btn => {
  btn.addEventListener('click', () => {
    document.querySelectorAll('#edLevels button').forEach(b => b.classList.remove('active'));
    btn.classList.add('active');
    curLevel = +btn.dataset.lvl;
    rebuild();
  });
});

$('edReset').addEventListener('click', () => {
  const key = spriteKey();
  delete tuned.sprites[key];
  delete tuned.solar[key];
  saveTuning();
  location.reload();                 // Original-Werte aus dem Code laden
});

$('edCopy').addEventListener('click', async () => {
  $('edOut').value = JSON.stringify(tuned, null, 2);
  try {
    await navigator.clipboard.writeText($('edOut').value);
    $('edCopy').textContent = '✅ kopiert!';
  } catch {
    $('edOut').select();
    $('edCopy').textContent = '⬇︎ unten markiert';
  }
  setTimeout(() => { $('edCopy').textContent = '📋 Export kopieren'; }, 1800);
});

// ---------- Loop ----------
rebuild();
$('edOut').value = JSON.stringify(tuned, null, 2);
let last = performance.now();
function frame(now) {
  const dt = now - last; last = now;
  renderer.draw(now, dt, 1);
  requestAnimationFrame(frame);
}
requestAnimationFrame(frame);