// ================================================================
// Command Form Component
// ================================================================

window.onCmdTypeChange = function() {
  const type = document.getElementById('cmd-type').value;
  document.getElementById('build-options').style.display   = type === 'build'   ? '' : 'none';
  document.getElementById('recruit-options').style.display = type === 'recruit' ? '' : 'none';
  document.getElementById('amount-group').style.display    = type === 'recruit' ? '' : 'none';
  document.getElementById('market-options').style.display  = type === 'market_offer' ? '' : 'none';
};

// Building emoji icons for the visual grid
const BUILDING_ICONS = {
  main: '🏛️', storage: '🏚️', farm: '🌾', academy: '📜',
  temple: '⛩️', barracks: '⚔️', docks: '⚓', market: '🛒',
  hide: '🕳️', lumber: '🪵', stoner: '🪨', ironer: '⛏️', wall: '🧱'
};

window.selectedBuildingId = null;

window.renderBuildingDropdown = function() {
  // No-op — selection now happens via the modal
};

window.openBuildingModal = function() {
  const town = window.getSelectedTown();
  if (!town) return;

  const grid = document.getElementById('building-grid');
  const bLevels = town.buildings || {};
  const bData   = town.build_data || {};

  grid.innerHTML = Object.entries(window.BUILDING_NAMES_GR).map(([key, nameGr]) => {
    const level = bLevels[key] !== undefined ? bLevels[key] : '?';
    const data  = bData[key];
    const icon  = BUILDING_ICONS[key] || '🏗️';
    const isSelected = key === window.selectedBuildingId;

    if (!data) {
      return `<div class="bld-card${isSelected ? ' bld-selected' : ''}" onclick="window.selectBuilding('${key}','${nameGr}')">
        <span class="bld-level">${level}</span>
        <span class="bld-icon">${icon}</span>
        <span class="bld-name">${nameGr}</span>
        <span class="bld-status queue-warn">Αγνωστο</span>
      </div>`;
    }

    const missingKeys = data.missing_dependencies ? Object.keys(data.missing_dependencies) : [];
    const isLocked  = !data.dependencies || missingKeys.length > 0;
    const isMaxed   = data.has_max_level;

    let statusClass, statusLabel, cardClass = '';
    if (isMaxed) {
      statusClass = 'maxed'; statusLabel = '✓ Μέγιστο'; cardClass = 'bld-maxed';
    } else if (isLocked) {
      statusClass = 'locked'; statusLabel = '🔒 Κλειδωμένο'; cardClass = 'bld-locked';
    } else if (data.can_upgrade) {
      statusClass = 'can-build'; statusLabel = '✅ Αναβάθμιση';
    } else if (data.enough_resources === false) {
      statusClass = 'no-resources'; statusLabel = '❌ Λείπουν Πόροι';
    } else {
      statusClass = 'queue-warn'; statusLabel = '⚠️ Πληθ./Ουρά';
    }

    const w  = data.wood  ? window.fmt(data.wood)  : 0;
    const st = data.stone ? window.fmt(data.stone) : 0;
    const i  = data.iron  ? window.fmt(data.iron)  : 0;
    let t = data.build_time || '';
    if (t.startsWith('00:')) t = t.substring(3);
    const costStr = (w || st || i) ? `Ξ:${w} Π:${st} Α:${i}${t ? ' · ⏱'+t : ''}` : '';

    const clickable = !isMaxed && !isLocked;
    const onclick   = clickable ? `onclick="window.selectBuilding('${key}','${nameGr}')"` : '';

    return `<div class="bld-card ${cardClass}${isSelected ? ' bld-selected' : ''}" ${onclick}>
      <span class="bld-level">${level}</span>
      <span class="bld-icon">${icon}</span>
      <span class="bld-name">${nameGr}</span>
      <span class="bld-status ${statusClass}">${statusLabel}</span>
      ${costStr ? `<span class="bld-cost">${costStr}</span>` : ''}
    </div>`;
  }).join('');

  // Render current build queue in modal footer
  const qEl = document.getElementById('building-modal-queue-items');
  if (town.build_queue && town.build_queue.length) {
    qEl.innerHTML = town.build_queue.map(o => {
      const raw = o.building_type || o.name || '';
      const gr  = window.BUILDING_NAMES_GR[raw] || raw;
      return `<span style="background:rgba(0,0,0,0.3);padding:2px 8px;border-radius:4px;margin-right:4px;font-size:0.8rem;">${gr}</span>`;
    }).join('');
  } else {
    qEl.innerHTML = '<span style="color:#555;font-size:0.8rem;">Κενή</span>';
  }

  document.getElementById('building-modal-overlay').classList.add('open');
};

window.closeBuildingModal = function(e) {
  // Close only if clicking the overlay background or the X button
  if (e && e.target !== document.getElementById('building-modal-overlay') && e.target !== document.getElementById('building-modal-close')) return;
  document.getElementById('building-modal-overlay').classList.remove('open');
};

window.selectBuilding = function(key, nameGr) {
  window.selectedBuildingId = key;
  // Update the trigger button label
  document.getElementById('selected-building-label').textContent = `🏗️ ${nameGr}`;
  // Re-render grid to show new selection highlight
  window.openBuildingModal();
  // Close after brief visual feedback
  setTimeout(() => document.getElementById('building-modal-overlay').classList.remove('open'), 180);
};



window.renderUnitDropdown = function() {
  const town = window.getSelectedTown();
  if (!town) return;
  const uSelect = document.getElementById('unit-select');
  const uData   = town.unit_data || {};
  
  const currentVal = uSelect.value;
  uSelect.innerHTML = '<option value="" disabled selected>-- Επιλέξτε Μονάδα --</option>';

  for (const [key, nameGr] of Object.entries(window.UNIT_NAMES_GR)) {
    if (key === 'militia') continue;
    
    const data = uData[key];
    let text = `${nameGr}`;

    if (data) {
      const w  = window.fmt(data.wood || 0);
      const st = window.fmt(data.stone || 0);
      const i  = window.fmt(data.iron || 0);
      const pop = data.pop || 0;
      
      // Unit build_time is usually raw seconds in GameData
      let t = data.build_time || 0;
      let tStr = `${t}s`;
      if (t > 60) {
        let m = Math.floor(t / 60);
        let s = t % 60;
        tStr = `${m}m ${s}s`;
      }
      
      const costStr = `Ξ:${w} Π:${st} Α:${i} 🧔:${pop} · ⏱ ${tStr}`;

      const missingKeys = data.missing_dependencies ? Object.keys(data.missing_dependencies) : [];
      const isLocked = missingKeys.length > 0;

      const option = document.createElement('option');
      option.value = key;

      if (isLocked) {
        option.textContent = `${text} — 🔒 Κλειδωμένο`;
        option.style.color = '#ff4444';
      } else if (data.enough_resources === false) {
        option.textContent = `${text} — ❌ ${costStr} (Λείπουν Πόροι 1x)`;
        option.style.color = '#aa5555';
      } else {
        option.textContent = `${text} — ✅ ${costStr}`;
      }
      
      uSelect.appendChild(option);
    } else {
      const option = document.createElement('option');
      option.value = key;
      option.textContent = text;
      uSelect.appendChild(option);
    }
  }
  
  if (currentVal && Array.from(uSelect.options).some(o => o.value === currentVal)) {
    uSelect.value = currentVal;
  }
};

window.renderBuildQueuePreview = function() {
  const town = window.getSelectedTown();
  const el = document.getElementById('build-queue-preview');
  if (!town || !town.build_queue || !town.build_queue.length) {
    el.innerHTML = '<span style="color:#444">Build queue: empty</span>';
    return;
  }
  const items = town.build_queue.map(o => {
    const raw = o.building_type || o.name || "";
    const nameGr = window.BUILDING_NAMES_GR[raw] || raw || JSON.stringify(o);
    return `<span style="background: rgba(0,0,0,0.3); padding: 2px 6px; border-radius: 4px; margin-right: 4px; font-size: 0.8rem;">${nameGr}</span>`;
  }).join('');
  el.innerHTML = `<div style="margin-top:6px;color:#888;font-size:0.72rem;text-transform:uppercase;letter-spacing:0.5px;margin-bottom:4px;">Current queue</div>${items}`;
};