var triggerData = null;
var triggerID = null;
var triggerKind = '';

function initTriggerEditor() {
  editorType = 'triggers';
  editorFields = [];
  loadTriggerList();
  if (window.location.hash) loadTriggerItem(window.location.hash.substring(1));
}

function loadTriggerList() {
  API.get('/api/triggers').then(function(data) {
    allIDs = (data || []).map(function(e) { return e.id || e; });
    window._triggerEntries = data || [];
    renderTriggerList('');
  }).catch(function(e) {
    notify('Failed to load list: ' + e.message, 'error');
  });
}

function renderTriggerList(filter) {
  var el = $('#listEntries');
  var f = (filter || '').toLowerCase();
  var entries = window._triggerEntries || [];
  var html = '';
  entries.forEach(function(entry) {
    var id = entry.id || entry;
    if (f && id.toLowerCase().indexOf(f) === -1) return;
    var badge = entry.kind === 'player' ? ' [Player]' : (entry.kind === 'global' ? ' [Global]' : '');
    var badgeClass = entry.kind === 'player' ? 'dc-item' : (entry.kind === 'global' ? 'dc-item' : '');
    html += '<div class="item' + (triggerID === id ? ' active' : '') + '" onclick="loadTriggerItem(\'' + escAttr(id) + '\')">';
    html += '<span class="dc-id">' + esc(id) + '</span>';
    html += '<span class="dc-name" style="color:' + (entry.kind === 'player' ? '#6af' : '#e8c47c') + '">' + esc(badge) + '</span>';
    html += '</div>';
  });
  el.innerHTML = html || '<p style="color:#888;text-align:center;margin-top:20px;font-size:11px">No triggers</p>';
}

function loadTriggerItem(id) {
  loadTrigger(id);
}

function loadTrigger(id) {
  triggerID = id;
  currentID = id;
  window.location.hash = id;
  renderTriggerList('');
  API.get('/api/triggers/' + encodeURIComponent(id)).then(function(data) {
    triggerData = data;
    triggerKind = data._kind || '';
    if (!Array.isArray(triggerData.steps)) triggerData.steps = [];
    window._editorData = triggerData;
    window._ieRenderCurrent = renderCurrent;
    window._ieRenderOnly = function() { if (triggerID && triggerData) renderTriggerEditor(triggerID, triggerData); };
    window._ieSyncAll = function(ed) { if (ed) syncCondDOM(ed); };
    renderTriggerEditor(id, data);
  }).catch(function(e) {
    $('#editorMain').innerHTML = '<p style="color:var(--danger)">Failed to load: ' + esc(e.message) + '</p>';
  });
}

function syncCondDOM(ed) {
  if (!ed) return;
  var condRoot = document.querySelector('.obj-card[data-card="condition"] .ie-cond-root');
  if (condRoot) {
    var cond = ie_collectCond(condRoot);
    if (cond) ed.condition = cond;
    else delete ed.condition;
  }
}

function renderCurrent() {
  if (!triggerData || !triggerID) return;
  syncCondDOM(triggerData);
  var flagTypeEl = document.querySelector('input[name="trigFlagType"]:checked');
  if (flagTypeEl) {
    delete triggerData.on_player_flag;
    delete triggerData.on_global_flag;
    if (flagTypeEl.value === 'player') {
      var n = $('#trigFlagName'); triggerData.on_player_flag = n ? n.value.trim() : '';
    } else {
      var n = $('#trigFlagName'); triggerData.on_global_flag = n ? n.value.trim() : '';
    }
  }
  var valEl = $('#trigValue');
  if (valEl) {
    var v = valEl.value.trim();
    if (v === '') delete triggerData.value;
    else { try { triggerData.value = JSON.parse(v); } catch(e) { triggerData.value = v; } }
  }
  var lockEl = $('#trigLock');
  if (lockEl) { if (lockEl.checked) triggerData.lock = true; else delete triggerData.lock; }
  var stepRows = document.querySelectorAll('.obj-card[data-card="steps"] .ie-step-row');
  if (!Array.isArray(triggerData.steps)) triggerData.steps = [];
  stepRows.forEach(function(stepRow) {
    var si = parseInt(stepRow.getAttribute('data-step'), 10);
    if (isNaN(si)) return;
    if (!triggerData.steps[si]) triggerData.steps[si] = {};
    var waitEl = stepRow.querySelector('.wait-input');
    if (waitEl) triggerData.steps[si].wait = parseInt(waitEl.value) || 0;
    syncStepEffects(stepRow, si);
  });
  if (triggerData.steps.length > stepRows.length) triggerData.steps.length = stepRows.length;
  renderTriggerEditor(triggerID, triggerData);
}

function syncStepEffects(row, si) {
  var effectsEl = row.querySelector('.ie-act-root');
  if (!effectsEl) return;
  var step = triggerData.steps[si] || {};
  ['messages','broadcast','broadcast_global','teleport','heal','credits',
   'give_item','take_item','despawn_mob','aps_node','drop_table'].forEach(function(k) { delete step[k]; });
  delete step.set_global_flags; delete step.set_player_flags; delete step.spawn_mob;

  var msgInputs = effectsEl.querySelectorAll('.trig-msg-input');
  var msgs = [];
  msgInputs.forEach(function(inp) { if (inp.value !== '') msgs.push(inp.value); });
  if (msgs.length > 0) step.messages = msgs;

  effectsEl.querySelectorAll('.trig-effect-input').forEach(function(inp) {
    var key = inp.getAttribute('data-key');
    var v = inp.value.trim();
    if (v !== '') { if (key === 'teleport' || key === 'heal' || key === 'credits') step[key] = parseInt(v)||0; else step[key] = v; }
  });

  var cb = effectsEl.querySelector('.trig-aps-cb');
  if (cb && cb.checked) step.aps_node = true;

  effectsEl.querySelectorAll('.trig-kv-section').forEach(function(kvSec) {
    var kvKey = kvSec.getAttribute('data-kv');
    var kvObj = {};
    kvSec.querySelectorAll('.trig-kv-row').forEach(function(kvRow) {
      var kEl = kvRow.querySelector('.trig-kv-key');
      var vEl = kvRow.querySelector('.trig-kv-val');
      if (kEl && kEl.value) {
        var v = vEl ? vEl.value : '';
        try { kvObj[kEl.value] = JSON.parse(v); } catch(e) { kvObj[kEl.value] = v; }
      }
    });
    if (Object.keys(kvObj).length > 0) step[kvKey] = kvObj;
  });

  var smInput = effectsEl.querySelector('.trig-spawn-mob');
  if (smInput && smInput.value.trim()) {
    if (!step.spawn_mob) step.spawn_mob = {};
    step.spawn_mob.id = smInput.value.trim();
  }

  var dtBlock = effectsEl.querySelector('.ie-drop-table');
  if (dtBlock) {
    var dt = ie_collectDropTableBlock(dtBlock);
    if (dt) step.drop_table = dt;
  }

  triggerData.steps[si] = step;
}

function renderTriggerEditor(id, data) {
  var html = renderRenameableHeader('Trigger', id);

  var kindLabel = data._kind === 'global' ? 'Global Flag' : (data._kind === 'player' ? 'Player Flag' : '');
  if (kindLabel) html += '<div style="font-size:11px;color:#888;margin-bottom:8px">' + esc(kindLabel) + ' Trigger</div>';

  html += '<div class="tabs"><button class="tab active" onclick="switchTab(event,\'fields\')">Fields</button>';
  html += '<button class="tab" onclick="switchTab(event,\'yaml\')">Raw YAML</button></div>';

  html += '<div class="tab-content" id="tabFields">';

  var isPlayerFlag = data.on_player_flag !== undefined;
  var isGlobalFlag = data.on_global_flag !== undefined;
  if (!isPlayerFlag && !isGlobalFlag) isPlayerFlag = true;
  var flagName = isPlayerFlag ? (data.on_player_flag || '') : (data.on_global_flag || '');

  html += '<div class="obj-card" style="max-width:100%">';
  html += '<div class="obj-card-header">';
  html += '<span class="obj-card-label">Flag Subscription</span>';
  html += '</div>';
  html += '<div class="obj-card-body">';
  html += '<div class="obj-card-grid">';
  html += '<div class="obj-field obj-wide">';
  html += '<span>Flag Type</span>';
  html += '<div style="display:flex;gap:16px;align-items:center">';
  html += '<label style="font-size:11px;color:var(--text);cursor:pointer"><input type="radio" name="trigFlagType" value="player"' + (isPlayerFlag ? ' checked' : '') + '> Player Flag</label>';
  html += '<label style="font-size:11px;color:var(--text);cursor:pointer"><input type="radio" name="trigFlagType" value="global"' + (isGlobalFlag ? ' checked' : '') + '> Global Flag</label>';
  html += '</div>';
  html += '</div>';
  html += '<div class="obj-field" style="flex:2">';
  html += '<span>Flag Name</span>';
  html += '<input id="trigFlagName" value="' + escAttr(flagName) + '" placeholder="flag name">';
  html += '</div>';
  html += '<div class="obj-field" style="flex:1">';
  html += '<span>Value (optional)</span>';
  html += '<input id="trigValue" value="' + escAttr(data.value !== undefined ? String(data.value) : '') + '" placeholder="any value">';
  html += '</div>';
  html += '<div class="obj-field obj-check">';
  html += '<input type="checkbox" id="trigLock"' + (data.lock ? ' checked' : '') + '>';
  html += '<span>Lock Player (atomic sequence)</span>';
  html += '</div>';
  html += '</div>';
  html += '</div>';
  html += '</div>';

  html += '<div class="obj-card" style="max-width:100%" data-card="condition">';
  html += '<div class="obj-card-header">';
  html += '<span class="obj-card-label">Entry Condition</span>';
  html += '</div>';
  html += '<div class="obj-card-body">';
  html += '<div class="ie-cond-root">' + ie_renderCond(data.condition || null, 'condition', 0, '', 'entry') + '</div>';
  html += '</div>';
  html += '</div>';

  var steps = Array.isArray(data.steps) ? data.steps : [];
  html += '<div class="obj-card" style="max-width:100%" data-card="steps">';
  html += '<div class="obj-card-header">';
  html += '<span class="obj-card-label">Steps (' + steps.length + ')</span>';
  html += '</div>';
  html += '<div class="obj-card-body">';
  html += renderSteps(steps);
  html += '<button class="btn btn-sm obj-sub-add" onclick="addStep()">+ Add Step</button>';
  html += '</div>';
  html += '</div>';

  html += '</div>';

  html += '<div class="tab-content" id="tabYaml" style="display:none">';
  html += '<pre>' + esc(data._raw || JSON.stringify(data, null, 2)) + '</pre>';
  html += '</div>';

  html += '<div class="btn-row">';
  html += '<button class="btn btn-primary" onclick="saveTrigger()">Save</button>';
  html += '<button class="btn" style="margin-left:auto" onclick="deleteTrigger()">Delete</button>';
  html += '</div>';

  $('#editorMain').innerHTML = html;
  ced_setupSearchFields();
}

function renderSteps(steps) {
  var h = '';
  (steps || []).forEach(function(step, si) {
    h += '<div class="ie-step-row" data-step="' + si + '">';
    h += '<div class="ie-step-header">';
    h += '<span class="ie-step-label">Step ' + (si + 1) + '</span>';
    h += '<span style="font-size:10px;color:#888">Wait:</span>';
    h += '<input class="ie-act-input wait-input" type="number" value="' + (step.wait || 0) + '" style="width:60px" min="0">';
    if (si > 0) h += '<button class="btn btn-sm ie-step-up" onclick="moveStep(' + si + ',' + (si - 1) + ')">&#9650;</button>';
    if (si < steps.length - 1) h += '<button class="btn btn-sm ie-step-dn" onclick="moveStep(' + si + ',' + (si + 1) + ')">&#9660;</button>';
    h += '<span class="ie-step-spacer"></span>';
    h += '<button class="btn btn-sm btn-danger" onclick="removeStep(' + si + ')">Remove</button>';
    h += '</div>';

    h += '<div class="ie-step-effects">';
    h += '<div class="ie-act-root">';
    h += renderStepEffects(step, si);
    h += '</div>';
    h += '</div>';

    h += '<div class="ie-step-addbar-bottom">';
    IE_STEP_KINDS.forEach(function(sk) {
      h += '<button class="btn btn-sm ie-add-btn" onclick="addStepEffect(' + si + ',\'' + escAttr(sk.key) + '\')">+ ' + esc(sk.label) + '</button>';
    });
    h += '</div>';
    h += '</div>';
  });
  return h;
}

function renderStepEffects(step, si) {
  var h = '';

  var msgs = Array.isArray(step.messages) ? step.messages : [];
  msgs.forEach(function(msg, mi) {
    h += '<div class="ie-act-row">';
    h += '<span class="ie-act-label">Message</span>';
    h += '<input class="ie-act-input ie-act-msg trig-msg-input" value="' + escAttr(msg) + '" placeholder="message to player">';
    h += '</div>';
  });

  if (step.broadcast !== undefined) {
    h += '<div class="ie-act-row"><span class="ie-act-label">Broadcast</span>';
    h += '<input class="ie-act-input ie-act-msg trig-effect-input" data-key="broadcast" value="' + escAttr(String(step.broadcast)) + '" placeholder="%p = player"></div>';
  }
  if (step.broadcast_global !== undefined) {
    h += '<div class="ie-act-row"><span class="ie-act-label">Broadcast Global</span>';
    h += '<input class="ie-act-input ie-act-msg trig-effect-input" data-key="broadcast_global" value="' + escAttr(String(step.broadcast_global)) + '" placeholder="%p = player"></div>';
  }
  if (step.teleport !== undefined) {
    h += '<div class="ie-act-row"><span class="ie-act-label">Teleport</span>';
    h += '<input class="ie-act-input trig-effect-input" data-key="teleport" type="number" value="' + (step.teleport || 0) + '" style="width:80px" placeholder="room ID"></div>';
  }
  if (step.heal !== undefined) {
    h += '<div class="ie-act-row"><span class="ie-act-label">Heal</span>';
    h += '<input class="ie-act-input trig-effect-input" data-key="heal" type="number" value="' + (step.heal || 0) + '" style="width:80px" placeholder="HP"></div>';
  }
  if (step.credits !== undefined) {
    h += '<div class="ie-act-row"><span class="ie-act-label">Credits</span>';
    h += '<input class="ie-act-input trig-effect-input" data-key="credits" type="number" value="' + (step.credits || 0) + '" style="width:80px" placeholder="amount"></div>';
  }
  if (step.spawn_mob && step.spawn_mob.id) {
    h += '<div class="ie-act-row"><span class="ie-act-label">Spawn Mob</span>';
    h += '<div class="obj-search" style="position:relative;flex:1;min-width:0">';
    h += '<input class="search-input trig-spawn-mob" value="' + escAttr(step.spawn_mob.id) + '" placeholder="mob ID" data-search-type="mobs">';
    h += '<div class="search-results" style="display:none"></div></div></div>';
  }
  if (step.despawn_mob !== undefined) {
    h += '<div class="ie-act-row"><span class="ie-act-label">Despawn Mob</span>';
    h += '<input class="ie-act-input trig-effect-input" data-key="despawn_mob" value="' + escAttr(String(step.despawn_mob)) + '" placeholder="mob ID"></div>';
  }
  if (step.give_item !== undefined) {
    h += '<div class="ie-act-row"><span class="ie-act-label">Give Item</span>';
    h += '<input class="ie-act-input trig-effect-input" data-key="give_item" value="' + escAttr(String(step.give_item)) + '" placeholder="item ID"></div>';
  }
  if (step.take_item !== undefined) {
    h += '<div class="ie-act-row"><span class="ie-act-label">Take Item</span>';
    h += '<input class="ie-act-input trig-effect-input" data-key="take_item" value="' + escAttr(String(step.take_item)) + '" placeholder="item ID"></div>';
  }
  if (step.aps_node) {
    h += '<div class="ie-act-row"><span class="ie-act-label">APS Node</span>';
    h += '<label style="font-size:11px;color:var(--text)"><input type="checkbox" class="trig-aps-cb" checked> Enabled</label></div>';
  }

  function renderKVSection(label, key, obj) {
    var h2 = '<div class="ie-act-kv trig-kv-section" data-kv="' + key + '">';
    h2 += '<div class="ie-act-kv-header"><span class="ie-act-label">' + label + '</span></div>';
    h2 += '<div class="ie-kv-list">';
    Object.keys(obj).forEach(function(k) {
      h2 += '<div class="ie-kv-row trig-kv-row">';
      h2 += '<input class="ie-kv-key trig-kv-key" value="' + escAttr(k) + '" placeholder="key">';
      h2 += '<span class="ie-cond-eq">=</span>';
      h2 += '<input class="ie-kv-val trig-kv-val" value="' + escAttr(String(obj[k])) + '" placeholder="value">';
      h2 += '</div>';
    });
    h2 += '</div></div>';
    return h2;
  }

  if (step.set_global_flags && typeof step.set_global_flags === 'object' && Object.keys(step.set_global_flags).length > 0) {
    h += renderKVSection('Set Global Flags', 'set_global_flags', step.set_global_flags);
  }
  if (step.set_player_flags && typeof step.set_player_flags === 'object' && Object.keys(step.set_player_flags).length > 0) {
    h += renderKVSection('Set Player Flags', 'set_player_flags', step.set_player_flags);
  }

  if (Array.isArray(step.drop_table) || step.drop_table !== undefined) {
    h += '<div class="ie-act-kv"><div class="ie-act-kv-header"><span>Drop Table</span></div>';
    h += ie_renderDropTableBlock(step.drop_table, 'trigAddDropRow('+si+',\'item\')', 'trigAddDropRow('+si+',\'table\')', 'trigRemoveDropRow('+si+',__RI__)');
    h += '</div>';
  }

  return h;
}

function trigAddDropRow(si, kind) {
  if (!triggerData || !Array.isArray(triggerData.steps) || !triggerData.steps[si]) return;
  syncAllStepEffects();
  var step = triggerData.steps[si];
  if (!Array.isArray(step.drop_table)) step.drop_table = [];
  if (kind === 'table') {
    step.drop_table.push({table: '', weight: 10, quantity: 1, _kind: 'table'});
  } else {
    step.drop_table.push({item_id: '', weight: 10, quantity: 1, _kind: 'item'});
  }
  renderCurrent();
}

function trigRemoveDropRow(si, ri) {
  if (!triggerData || !Array.isArray(triggerData.steps) || !triggerData.steps[si]) return;
  syncAllStepEffects();
  var step = triggerData.steps[si];
  if (!Array.isArray(step.drop_table)) return;
  step.drop_table.splice(ri, 1);
  renderCurrent();
}

function addStep() {
  if (!triggerData) return;
  if (!Array.isArray(triggerData.steps)) triggerData.steps = [];
  triggerData.steps.push({wait: 0});
  renderCurrent();
}

function removeStep(si) {
  if (!triggerData || !Array.isArray(triggerData.steps)) return;
  triggerData.steps.splice(si, 1);
  renderCurrent();
}

function moveStep(from, to) {
  if (!triggerData || !Array.isArray(triggerData.steps)) return;
  var s = triggerData.steps[from];
  triggerData.steps.splice(from, 1);
  triggerData.steps.splice(to, 0, s);
  renderCurrent();
}

function addStepEffect(si, kind) {
  if (!triggerData) return;
  syncCondDOM(triggerData);
  syncAllStepEffects();
  if (!Array.isArray(triggerData.steps)) triggerData.steps = [];
  if (!triggerData.steps[si]) triggerData.steps[si] = {};
  var step = triggerData.steps[si];

  if (kind === 'messages') {
    if (!Array.isArray(step.messages)) step.messages = [];
    step.messages.push('');
  } else if (kind === 'wait') {
    step.wait = (step.wait || 0) + 1;
  } else {
    var at = IE_ACT_TYPES.find(function(a) { return a.key === kind; });
    if (!at) return;
    if (at.kind === 'kv') step[kind] = {};
    else if (at.kind === 'checkbox') step[kind] = true;
    else if (at.kind === 'droptable') step[kind] = [];
    else if (at.kind === 'number') step[kind] = 0;
    else if (at.kind === 'search') step[kind] = '';
    else step[kind] = '';
  }
  renderCurrent();
}

function syncAllStepEffects() {
  var stepRows = document.querySelectorAll('.obj-card[data-card="steps"] .ie-step-row');
  if (!Array.isArray(triggerData.steps)) triggerData.steps = [];
  stepRows.forEach(function(stepRow) {
    var si = parseInt(stepRow.getAttribute('data-step'), 10);
    if (isNaN(si)) return;
    if (!triggerData.steps[si]) triggerData.steps[si] = {};
    var waitEl = stepRow.querySelector('.wait-input');
    if (waitEl) triggerData.steps[si].wait = parseInt(waitEl.value) || 0;
    syncStepEffects(stepRow, si);
  });
}

function saveTrigger() {
  syncCondDOM(triggerData);
  syncAllStepEffects();
  if (!triggerData || !triggerID) return;
  var flagTypeEl = document.querySelector('input[name="trigFlagType"]:checked');
  if (flagTypeEl) {
    delete triggerData.on_player_flag;
    delete triggerData.on_global_flag;
    var n = $('#trigFlagName');
    if (flagTypeEl.value === 'player') triggerData.on_player_flag = n ? n.value.trim() : '';
    else triggerData.on_global_flag = n ? n.value.trim() : '';
  }
  var valEl = $('#trigValue');
  if (valEl) {
    var v = valEl.value.trim();
    if (v === '') delete triggerData.value;
    else { try { triggerData.value = JSON.parse(v); } catch(e) { triggerData.value = v; } }
  }
  var lockEl = $('#trigLock');
  if (lockEl) { if (lockEl.checked) triggerData.lock = true; else delete triggerData.lock; }

  var out = JSON.parse(JSON.stringify(triggerData));
  delete out.id;
  delete out._path;
  delete out._raw;
  delete out._kind;
  ced_cleanOutput(out);
  API.put('/api/triggers/' + encodeURIComponent(triggerID), out).then(function(resp) {
    notify('Trigger ' + triggerID + ' saved', 'success');
    updateUndoBar();
    if (resp) {
      if (resp._raw) triggerData._raw = resp._raw;
      if (resp.kind) triggerKind = resp.kind;
    }
    loadTriggerList();
  }).catch(function(e) { notify('Save failed: ' + e.message, 'error'); });
}

function deleteTrigger() {
  if (!confirm('Delete trigger "' + triggerID + '"?')) return;
  API.del('/api/triggers/' + encodeURIComponent(triggerID)).then(function() {
    notify('Trigger ' + triggerID + ' deleted', 'success');
    updateUndoBar();
    triggerID = null;
    currentID = null;
    triggerData = null;
    triggerKind = '';
    $('#editorMain').innerHTML = '<p style="color:#888;text-align:center;margin-top:60px">Deleted</p>';
    loadTriggerList();
  }).catch(function(e) { notify('Delete failed: ' + e.message, 'error'); });
}

function createNew() {
  var baseID = prompt('Trigger ID (filename without .yaml):');
  if (!baseID || !baseID.trim()) return;
  var id = baseID.trim();
  API.post('/api/triggers', {id: id, on_player_flag: '', steps: []}).then(function(resp) {
    notify('Trigger ' + id + ' created', 'success');
    updateUndoBar();
    loadTriggerList();
    loadTrigger(id);
  }).catch(function(e) { notify('Create failed: ' + e.message, 'error'); });
}