// script.js — AussieTradieHub (safe on all pages)


// ----------------------------
// Batch N3: Storage helpers
// ----------------------------
window.ATHStore = window.ATHStore || (function () {
  function get(key, fallback) {
    try {
      const raw = localStorage.getItem(key);
      if (raw === null || raw === undefined) return fallback;
      return JSON.parse(raw);
    } catch (e) {
      return fallback;
    }
  }

  function set(key, value) {
    try {
      localStorage.setItem(key, JSON.stringify(value));
    } catch (e) {
      // ignore quota/serialization failures in demo
    }
  }

  function seedOnce(key, seedValue) {
    const existing = get(key, null);
    if (existing !== null && existing !== undefined) return existing;
    const seeded = seedValue || {};
    set(key, seeded);
    return seeded;
  }

  return { get, set, seedOnce };
})();

// ----------------------------
// v0.016: Image helpers (shared)
// ----------------------------
// Reusable client-side image processing for localStorage-only uploads.
// This is used for avatar upload and job completion photos.
window.ATHImages = window.ATHImages || (function () {
  async function readFileAsDataUrl(file) {
    return await new Promise((resolve, reject) => {
      const r = new FileReader();
      r.onload = () => resolve(String(r.result || ''));
      r.onerror = () => reject(new Error('read-failed'));
      r.readAsDataURL(file);
    });
  }

  async function loadImage(dataUrl) {
    return await new Promise((resolve, reject) => {
      const i = new Image();
      i.onload = () => resolve(i);
      i.onerror = () => reject(new Error('img-load-failed'));
      i.src = dataUrl;
    });
  }

  function clamp(n, min, max) {
    return Math.max(min, Math.min(max, n));
  }

  // Options:
  // - maxBytes (default 3MB)
  // - maxDim (default 1024)
  // - cropSquare (default false)
  // - mimePrefer (default 'image/webp')
  // - quality (default 0.85)
  async function processImageFile(file, opts) {
    const o = opts || {};
    if (!file) return null;
    if (!file.type || !file.type.startsWith('image/')) return null;

    const MAX_BYTES = Number(o.maxBytes || (3 * 1024 * 1024));
    if (file.size > MAX_BYTES) return null;

    const dataUrl = await readFileAsDataUrl(file);
    const img = await loadImage(dataUrl);

    const maxDim = clamp(Number(o.maxDim || 1024), 128, 2048);
    const cropSquare = !!o.cropSquare;
    const quality = clamp(Number(o.quality ?? 0.85), 0.5, 0.95);

    let srcW = img.width;
    let srcH = img.height;
    if (!srcW || !srcH) return null;

    // Determine destination size.
    let dstW = srcW;
    let dstH = srcH;

    if (cropSquare) {
      const s = Math.min(srcW, srcH);
      dstW = Math.min(maxDim, s);
      dstH = dstW;
    } else {
      const scale = Math.min(1, maxDim / Math.max(srcW, srcH));
      dstW = Math.max(1, Math.round(srcW * scale));
      dstH = Math.max(1, Math.round(srcH * scale));
    }

    const canvas = document.createElement('canvas');
    canvas.width = dstW;
    canvas.height = dstH;
    const ctx = canvas.getContext('2d');
    if (!ctx) return null;

    if (cropSquare) {
      const s = Math.min(srcW, srcH);
      const sx = Math.floor((srcW - s) / 2);
      const sy = Math.floor((srcH - s) / 2);
      ctx.drawImage(img, sx, sy, s, s, 0, 0, dstW, dstH);
    } else {
      ctx.drawImage(img, 0, 0, dstW, dstH);
    }

    // Prefer webp when supported; fallback to jpeg.
    const prefer = String(o.mimePrefer || 'image/webp');
    let out = '';
    try {
      out = canvas.toDataURL(prefer, quality);
      if (!out || !out.startsWith('data:image/')) throw new Error('encode-failed');
      // Some browsers may ignore webp; detect mismatch.
      if (prefer.includes('webp') && !out.startsWith('data:image/webp')) throw new Error('no-webp');
    } catch (e) {
      out = canvas.toDataURL('image/jpeg', quality);
    }
    return out;
  }

  return { processImageFile };
})();

// ----------------------------
// v0.012: Jobs helpers (shared across pages)
// ----------------------------
// Single source of truth for:
// - job list composition (seed + posted)
// - job state overrides (athJobState)
//
// IMPORTANT: This is intentionally incremental. We keep existing localStorage
// keys and data shapes, and only add the minimum helpers needed to avoid
// duplicating job-state logic across the Job Board and Profiles.
window.ATHJobs = window.ATHJobs || (function () {
  const JOB_STATE_KEY = 'athJobState';
  const POSTED_JOBS_KEY = 'athPostedJobs';

  function readJson(key, fallback) {
    if (window.ATHStore && typeof window.ATHStore.get === 'function') {
      return window.ATHStore.get(key, fallback);
    }
    try {
      const raw = localStorage.getItem(key);
      if (!raw) return fallback;
      const parsed = JSON.parse(raw);
      return parsed ?? fallback;
    } catch {
      return fallback;
    }
  }

  function writeJson(key, value) {
    if (window.ATHStore && typeof window.ATHStore.set === 'function') {
      window.ATHStore.set(key, value);
      return;
    }
    try {
      localStorage.setItem(key, JSON.stringify(value));
    } catch {}
  }

  // ---- Posted jobs (local) ----
  function readPostedJobsFromStorage() {
    const parsed = readJson(POSTED_JOBS_KEY, []);
    return Array.isArray(parsed) ? parsed : [];
  }

  // Canonical mapping for jobs created via post-job.html
  function mapPostedJobToCanonical(j) {
    const state = (j?.state || '').toString().trim().toUpperCase();
    const budget = (j?.budget === 0 || j?.budget) ? Number(j.budget) : null;

    const postedCats = Array.isArray(j?.categories)
      ? j.categories
      : (j?.categories ? String(j.categories).split(',') : (j?.category ? [j.category] : []));

    const categories = (typeof window.normalizeTradeIds === 'function')
      ? window.normalizeTradeIds(postedCats)
      : (postedCats || []).map(v => String(v || '').trim().toLowerCase()).filter(Boolean);

    return {
      id: String(j?.id || `posted-${Date.now()}`),
      title: String(j?.title || 'Untitled Job'),
      description: String(j?.description || ''),
      categories: Array.from(new Set(categories.length ? categories : ['other'])),
      location: state ? `Australia, ${state}` : 'Australia',
      state: state || 'ALL',
      budgetMin: budget || 0,
      budgetMax: budget || 0,
      timeline: j?.date ? `Preferred: ${j.date}` : 'Flexible',
      urgency: 'flexible',
      type: 'one-off',
      quotes: 0,
      // v0.01 default used a demo customerId; keep it stable for now.
      customerId: String(j?.customerId || 'michael-roberts'),
      postedAt: j?.createdAt || new Date().toISOString(),
      status: 'open',
      _source: 'local'
    };
  }

  // ---- Job state overrides (athJobState) ----
  function readJobStateMap() {
    const parsed = readJson(JOB_STATE_KEY, {});
    return (parsed && typeof parsed === 'object') ? parsed : {};
  }

  function writeJobStateMap(map) {
    writeJson(JOB_STATE_KEY, map && typeof map === 'object' ? map : {});
  }

  function getJobState(jobId) {
    const map = readJobStateMap();
    const s = map?.[String(jobId)] || {};
    return (s && typeof s === 'object') ? s : {};
  }

  function setJobState(jobId, patch) {
    const map = readJobStateMap();
    const id = String(jobId);
    const base = (map[id] && typeof map[id] === 'object') ? map[id] : {};
    map[id] = { ...base, ...(patch || {}), updatedAt: new Date().toISOString() };
    writeJobStateMap(map);
    return map[id];
  }

  function applyOverrides(job) {
    const s = getJobState(job?.id);
    if (!s || typeof s !== 'object') return job;
    return {
      ...job,
      status: s.status || job.status,
      assignedTradieId: s.assignedTradieId || job.assignedTradieId,
      completedAt: s.completedAt || job.completedAt,
      inProgressAt: s.inProgressAt || job.inProgressAt,
      agreedAt: s.agreedAt || job.agreedAt,
      tradieAcceptedTermsAt: s.tradieAcceptedTermsAt || job.tradieAcceptedTermsAt,
    };
  }

  // ---- Composition: seed + posted + overrides ----
  function getAllJobs() {
    const baseJobs = Array.isArray(window.JOBS) ? window.JOBS : [];
    const postedCanonical = readPostedJobsFromStorage().map(mapPostedJobToCanonical);

    const byId = new Map();
    [...postedCanonical, ...baseJobs].forEach((j) => {
      if (!j || !j.id) return;
      byId.set(String(j.id), j);
    });

    return Array.from(byId.values()).map(applyOverrides);
  }

  return {
    JOB_STATE_KEY,
    POSTED_JOBS_KEY,
    readPostedJobsFromStorage,
    mapPostedJobToCanonical,
    readJobStateMap,
    writeJobStateMap,
    getJobState,
    setJobState,
    applyOverrides,
    getAllJobs,
  };
})();

// ----------------------------
// Batch N3: Integrity (no direct contact until payment)
// ----------------------------
window.ATHIntegrity = window.ATHIntegrity || (function () {
  const EMAIL_RE = /[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}/ig;
  // Best-effort phone matcher: long digit runs with optional separators
  const PHONE_RE = /(?:\+?\d[\d\s().-]{7,}\d)/g;

  function canShareContact() {
    // Future: flip true after payment confirmation.
    // For now: privacy-first prototype rule.
    return false;
  }

  function sanitizeTextJs(input) {
    const original = String(input || '');
    if (canShareContact()) return { text: original, changed: false };

    let out = original.replace(EMAIL_RE, '•••••');
    out = out.replace(PHONE_RE, (m) => {
      const digits = String(m).replace(/\D/g, '');
      if (digits.length < 8) return m; // ignore too-short sequences
      return '•••••';
    });
    return { text: out, changed: out !== original };
  }

  function renderBanner(mountEl) {
    if (!mountEl) return;
    if (canShareContact()) {
      mountEl.innerHTML = '';
      return;
    }
    mountEl.innerHTML = `
      <div class="ath-integrity-banner flex items-start gap-3 p-3 rounded-xl border border-teal-200 bg-teal-50 text-teal-900">
        <div class="mt-0.5"><i data-feather="lock" class="w-4 h-4"></i></div>
        <div class="text-sm">
          <div class="font-semibold">Contact details are locked until payment is confirmed.</div>
          <div class="text-teal-800">Keep chat and job info inside TradieHub to stay protected.</div>
        </div>
      </div>
    `;
    if (typeof feather !== 'undefined') feather.replace();
  }

  function setInlineNotice(el, msg) {
    if (!el) return;
    el.textContent = msg || '';
    if (!msg) el.classList.add('hidden');
    else el.classList.remove('hidden');
  }

  return { canShareContact, sanitizeText: sanitizeTextJs, renderBanner, setInlineNotice };
})();

document.addEventListener('DOMContentLoaded', () => {
  if (typeof feather !== 'undefined') feather.replace();
  initMobileMenu();
  initMessagesPage();
  initMyProfilePage();
  initFilterDrawer();
  initIntegrityBanners();
});


// ----------------------------
// Batch N3: Page banners
// ----------------------------
function initIntegrityBanners() {
  window.ATHIntegrity?.renderBanner(document.getElementById('athIntegrityBannerMountJobs'));
  // Optional mounts on other pages
  window.ATHIntegrity?.renderBanner(document.getElementById('athIntegrityBannerMountProfileTradie'));
  window.ATHIntegrity?.renderBanner(document.getElementById('athIntegrityBannerMountProfileCustomer'));
}

// ----------------------------
// Batch M: Mobile filter drawer
// ----------------------------
function initFilterDrawer() {
  const drawer = document.getElementById('athFiltersDrawer');
  const openBtn = document.getElementById('athOpenFilters');
  const backdrop = document.getElementById('athFiltersBackdrop');
  const closeBtn = document.getElementById('athCloseFilters');

  if (!drawer || (!openBtn && !backdrop)) return; // only on pages that include the drawer

  const open = () => {
    drawer.classList.add('ath-open');
    if (backdrop) backdrop.classList.remove('hidden');
    document.body.classList.add('ath-body-lock');
  };

  const close = () => {
    drawer.classList.remove('ath-open');
    if (backdrop) backdrop.classList.add('hidden');
    document.body.classList.remove('ath-body-lock');
  };

  if (openBtn) openBtn.addEventListener('click', open);
  if (closeBtn) closeBtn.addEventListener('click', close);
  if (backdrop) backdrop.addEventListener('click', close);

  document.addEventListener('keydown', (e) => {
    if (e.key === 'Escape') close();
  });

  // If user resizes to desktop, ensure drawer state doesn't trap scroll.
  const mq = window.matchMedia('(min-width: 1024px)');
  const onMq = () => {
    if (mq.matches) close();
  };
  if (mq.addEventListener) mq.addEventListener('change', onMq);
  else if (mq.addListener) mq.addListener(onMq);
}


// ----------------------------
// Current User (localStorage)
// ----------------------------
function getCurrentUser() {
  try {
    const raw = localStorage.getItem('athCurrentUser');
    if (raw) return JSON.parse(raw);
  } catch (e) {}
  return (window.CURRENT_USER_DEFAULT && typeof window.CURRENT_USER_DEFAULT === 'object')
    ? JSON.parse(JSON.stringify(window.CURRENT_USER_DEFAULT))
    : { id: 'me', role: 'dual', displayName: 'Me', avatar: '', location: { suburb: '', state: '', postcode: '' }, contact: { phone: '', email: '' }, privacy: { showLocation: true, addressRule: 'afterAccepted' }, verification: { verified: false, abnFull: '', licenseFull: '' } };
}

function setCurrentUser(user) {
  localStorage.setItem('athCurrentUser', JSON.stringify(user));
}

// Merge helper (keeps nested objects intact). Useful for future auth/backends.
function saveCurrentUser(patch) {
  const base = getCurrentUser();
  const merged = {
    ...base,
    ...patch,
    location: { ...(base.location || {}), ...((patch||{}).location || {}) },
    contact: { ...(base.contact || {}), ...((patch||{}).contact || {}) },
    privacy: { ...(base.privacy || {}), ...((patch||{}).privacy || {}) },
    verification: { ...(base.verification || {}), ...((patch||{}).verification || {}) },
    auth: { ...(base.auth || {}), ...((patch||{}).auth || {}) },
  };
  setCurrentUser(merged);
  return merged;
}

function maskSensitiveKeepLast4(value) {
  const v = String(value || '').replace(/\s+/g, '');
  if (!v) return '—';
  const last4 = v.slice(-4);
  // safest: only reveal last 4
  return `**** **** ${last4}`;
}

// ----------------------------
// Mobile Menu
// ----------------------------
function initMobileMenu() {
  const mobileMenuButton = document.getElementById('mobileMenuButton');
  const mobileMenu = document.getElementById('mobileMenu');
  if (!mobileMenuButton || !mobileMenu) return;

  mobileMenuButton.addEventListener('click', () => {
    mobileMenu.classList.toggle('hidden');

    const icon = mobileMenuButton.querySelector('i');
    if (icon) {
      icon.setAttribute('data-feather', mobileMenu.classList.contains('hidden') ? 'menu' : 'x');
      if (typeof feather !== 'undefined') feather.replace();
    }
  });
}

// ----------------------------
// Messages Page
// ----------------------------
function initMessagesPage() {
  const list = document.getElementById('conversationsList');
  const emptyEl = document.getElementById('conversationsEmpty');
  const searchInput = document.getElementById('conversationsSearch');

  const chat = document.getElementById('chatScroll');
  const input = document.getElementById('messageInput');
  const sendBtn = document.getElementById('sendButton');

  const chatName = document.getElementById('chatName');
  const chatMeta = document.getElementById('chatMeta');
  const chatStatus = document.getElementById('chatStatus');
  const chatAvatar = document.getElementById('chatAvatar');
  const chatOnlineDot = document.getElementById('chatOnlineDot');
  const unreadLabel = document.getElementById('unreadCountLabel');

  // Not on messages page
  if (!list || !chat || !chatName || !chatMeta || !chatStatus || !chatAvatar) return;

  // Batch N3: integrity banner + disable off-platform call/video actions
  window.ATHIntegrity?.renderBanner(document.getElementById('athIntegrityBannerMountMessages'));
  document.querySelectorAll('[aria-label="Call"], [aria-label="Video call"]')?.forEach((btn) => {
    btn.disabled = true;
    btn.classList.add('opacity-50', 'cursor-not-allowed');
    btn.title = 'Locked until payment is confirmed';
  });

  let DATA = window.ATHStore.seedOnce('athConversations', (window.CONVERSATIONS && typeof window.CONVERSATIONS === 'object') ? window.CONVERSATIONS : {});

  const safeText = (t) => (window.ATHIntegrity ? window.ATHIntegrity.sanitizeText(t).text : String(t||''));

  const sanitizeNoteEl = document.getElementById('athMessageSanitizeNote');


  // ----------------------------
  // Helpers (messages)
  // ----------------------------
  const getLastMessage = (id) => {
    const msgs = DATA?.[id]?.messages || [];
    return msgs.length ? msgs[msgs.length - 1] : null;
  };

  const getLastTs = (id) => {
    const m = getLastMessage(id);
    return m?.ts || 0;
  };

  const getReadTsKey = (id) => `readts:${id}`;
  const getReadTs = (id) => Number(localStorage.getItem(getReadTsKey(id)) || 0);

  const getUnreadCount = (id) => {
    const last = getLastMessage(id);
    if (!last) return 0;
    // Only treat as unread if the latest message is from them and we haven't read up to that timestamp.
    if (last.from !== 'them') return 0;
    return getLastTs(id) > getReadTs(id) ? 1 : 0;
  };

  const getTotalUnread = () => Object.keys(DATA).reduce((acc, id) => acc + getUnreadCount(id), 0);

  function updateUnreadUI() {
    if (!unreadLabel) return;
    const unread = getTotalUnread();
    unreadLabel.textContent = unread ? `${unread} unread` : 'All read';
  }

  function markRead(id) {
    const ts = getLastTs(id);
    localStorage.setItem(getReadTsKey(id), String(ts));
  }

  function setActiveRow(id) {
    list.querySelectorAll('.conversation-item').forEach((row) => {
      const isActive = row.dataset.conversation === id;
      row.classList.toggle('bg-teal-50', isActive);
      row.classList.toggle('hover:bg-gray-50', !isActive);
    });
  }

  // ----------------------------
  // Render: sidebar
  // ----------------------------
  function renderConversationList(filterText = '') {
    const q = (filterText || '').trim().toLowerCase();

    const ids = Object.keys(DATA)
      .sort((a, b) => getLastTs(b) - getLastTs(a))
      .filter((id) => {
        if (!q) return true;
        const c = DATA[id];
        const last = getLastMessage(id);
        const hay = [c?.name, c?.meta, last?.text].filter(Boolean).join(' ').toLowerCase();
        return hay.includes(q);
      });

    // Empty / no-results states
    if (ids.length === 0) {
      list.innerHTML = '';
      if (emptyEl) {
        emptyEl.textContent = q ? 'No conversations match your search.' : 'No conversations yet.';
        emptyEl.classList.remove('hidden');
      }
      updateUnreadUI();
      return;
    }
    if (emptyEl) emptyEl.classList.add('hidden');

    const active = getConversationIdFromUrl() || getDefaultConversationId();

    list.innerHTML = ids.map((id, idx) => {
      const c = DATA[id];
      const last = getLastMessage(id);
      const preview = safeText(last?.text || '');
      const time = last?.time || '';
      const unread = getUnreadCount(id);
      const online = !!c?.online;
      const tag = c?.tag;

      const dotClass = online ? 'bg-green-500' : 'bg-gray-400';
      const activeClass = (id === active) ? 'bg-teal-50' : '';
      const borderClass = idx === ids.length - 1 ? '' : 'border-b border-gray-200';

      return `
        <a href="messages.html?conversation=${encodeURIComponent(id)}"
           class="conversation-item block p-4 hover:bg-gray-50 ${borderClass} ${activeClass}"
           data-conversation="${escapeHtml(id)}">
          <div class="flex items-start space-x-3">
            <div class="relative">
              <img src="${escapeHtml(c?.avatar || '')}" alt="${escapeHtml(c?.name || '')}" class="w-10 h-10 rounded-full object-cover border-2 border-teal-100">
              <span class="absolute -bottom-1 -right-1 w-3 h-3 ${dotClass} rounded-full border-2 border-white"></span>
            </div>
            <div class="flex-1 min-w-0">
              <div class="flex justify-between items-start mb-1">
                <h3 class="font-bold text-gray-900 truncate pr-2">${escapeHtml(c?.name || 'Conversation')}</h3>
                <span class="text-xs text-gray-500 whitespace-nowrap">${escapeHtml(time)}</span>
              </div>
              <p class="text-sm text-gray-600 truncate mb-1">${escapeHtml(preview)}</p>
              <div class="flex items-center">
                ${tag ? `<span class="inline-flex items-center px-2 py-0.5 rounded text-xs font-medium ${escapeHtml(tag.color || '')} mr-2">${escapeHtml(tag.label || '')}</span>` : ''}
                ${unread ? `<span class="bg-red-500 text-white text-xs rounded-full w-5 h-5 flex items-center justify-center">${unread}</span>` : ''}
              </div>
            </div>
          </div>
        </a>
      `;
    }).join('');

    updateUnreadUI();
  }

  // ----------------------------
  // Render: chat header + body
  // ----------------------------
  function renderHeader(c) {
    chatName.textContent = c?.name || 'Messages';
    chatMeta.textContent = c?.meta || '';

    const online = !!c?.online;
    chatStatus.textContent = online ? 'Online now' : 'Offline';
    chatStatus.classList.toggle('text-green-600', online);
    chatStatus.classList.toggle('text-gray-500', !online);

    chatAvatar.src = c?.avatar || '';
    chatAvatar.alt = c?.name || 'Avatar';

    if (chatOnlineDot) {
      chatOnlineDot.classList.toggle('bg-green-500', online);
      chatOnlineDot.classList.toggle('bg-gray-400', !online);
    }
  }

  function renderMessages(c) {
    chat.innerHTML = '';

    const msgs = c?.messages || [];
    msgs.forEach((m) => {
      const wrap = document.createElement('div');
      wrap.className = m.from === 'me' ? 'flex justify-end mb-4' : 'flex justify-start mb-4';

      wrap.innerHTML =
        m.from === 'me'
          ? `<div class="bg-teal-600 text-white p-3 rounded-xl max-w-lg">${escapeHtml(safeText(m.text))}</div>`
          : `<div class="bg-white border border-gray-200 p-3 rounded-xl max-w-lg">${escapeHtml(safeText(m.text))}</div>`;

      chat.appendChild(wrap);
    });

    chat.scrollTop = chat.scrollHeight;
  }

  // ----------------------------
  // Routing + defaults
  // ----------------------------
  function getConversationIdFromUrl() {
    return new URLSearchParams(location.search).get('conversation');
  }

  function setConversationIdInUrl(id) {
    const url = new URL(location.href);
    url.searchParams.set('conversation', id);
    history.replaceState({}, '', url.toString());
  }

  function getDefaultConversationId() {
    const lastActive = localStorage.getItem('lastActiveConversation');
    if (lastActive && DATA[lastActive]) return lastActive;

    const ids = Object.keys(DATA);
    if (!ids.length) return null;
    return ids.sort((a, b) => getLastTs(b) - getLastTs(a))[0];
  }

  function load(id) {
    const actualId = DATA[id] ? id : getDefaultConversationId();
    if (!actualId) {
      // No conversations at all
      renderConversationList(searchInput?.value || '');
      chat.innerHTML = '<div class="text-sm text-gray-500">No messages yet.</div>';
      renderHeader({ name: 'Messages', meta: '', online: false, avatar: '' });
      updateUnreadUI();
      return;
    }

    const c = DATA[actualId];

    // Mark read + persist active
    markRead(actualId);
    localStorage.setItem('lastActiveConversation', actualId);

    // Render
    setConversationIdInUrl(actualId);
    renderConversationList(searchInput?.value || '');
    setActiveRow(actualId);
    renderHeader(c);
    renderMessages(c);
    updateUnreadUI();
  }

  // ----------------------------
  // Events
  // ----------------------------
  // Click conversation (delegated)
  list.addEventListener('click', (e) => {
    const row = e.target.closest('.conversation-item');
    if (!row) return;
    e.preventDefault();

    const id = row.dataset.conversation;
    if (!id) return;

    load(id);
  });

  // Search conversations
  searchInput?.addEventListener('input', () => {
    renderConversationList(searchInput.value);
  });

  // Send message
  function send() {
    const id = getConversationIdFromUrl() || getDefaultConversationId();
    if (!id || !DATA[id]) return;

    const text = (input?.value || '').trim();
    if (!text) return;

    const now = Date.now();
    const sanitized = window.ATHIntegrity ? window.ATHIntegrity.sanitizeText(text) : { text, changed: false };
    DATA[id].messages.push({ from: 'me', time: 'Now', ts: now, text: sanitized.text });
    window.ATHStore.set('athConversations', DATA);
    if (sanitized.changed) {
      window.ATHIntegrity?.setInlineNotice(document.getElementById('athMessageSanitizeNote'), 'Contact details were removed. Payment is required to share direct contact.');
      setTimeout(() => window.ATHIntegrity?.setInlineNotice(document.getElementById('athMessageSanitizeNote'), ''), 2500);
    }
    input.value = '';

    // Re-render chat + sidebar preview/time
    renderMessages(DATA[id]);
    renderConversationList(searchInput?.value || '');
    setActiveRow(id);
  }

  sendBtn?.addEventListener('click', send);
  input?.addEventListener('keydown', (e) => {
    if (e.key === 'Enter') {
      e.preventDefault();
      send();
    }
  });

  // Init
  renderConversationList('');
  load(getConversationIdFromUrl() || getDefaultConversationId());
}

// ----------------------------
// Helpers
// ----------------------------
function escapeHtml(str) {
  return String(str)
    .replaceAll('&', '&amp;')
    .replaceAll('<', '&lt;')
    .replaceAll('>', '&gt;')
    .replaceAll('"', '&quot;')
    .replaceAll("'", '&#039;');
}


// ----------------------------
// My Profile Page
// ----------------------------
function initMyProfilePage() {
  const root = document.getElementById('mpName');
  if (!root) return; // not on my-profile

  const els = {
    avatarImg: document.getElementById('mpAvatar'),
    name: document.getElementById('mpName'),
    subtitle: document.getElementById('mpSubtitle'),
    roleBadge: document.getElementById('mpRoleBadge'),
    verifiedBadge: document.getElementById('mpVerifiedBadge'),

    editBtn: document.getElementById('mpEditBtn'),
    saveBtn: document.getElementById('mpSaveBtn'),
    cancelBtn: document.getElementById('mpCancelBtn'),

    publicTradieLink: document.getElementById('mpPublicTradieLink'),
    publicCustomerLink: document.getElementById('mpPublicCustomerLink'),

    displayName: document.getElementById('mpDisplayName'),
    avatarPickBtn: document.getElementById('mpAvatarPickBtn'),
    avatarRemoveBtn: document.getElementById('mpAvatarRemoveBtn'),
    avatarFile: document.getElementById('mpAvatarFile'),
    suburb: document.getElementById('mpSuburb'),
    state: document.getElementById('mpState'),
    postcode: document.getElementById('mpPostcode'),
    phone: document.getElementById('mpPhone'),
    email: document.getElementById('mpEmail'),

    // Batch L: Tradie multi-trade picker
    tradesSection: document.getElementById('mpTradesSection'),
    tradesHidden: document.getElementById('mpTradesHidden'),
    tradesToggle: document.getElementById('mpTradesToggle'),
    tradesPanel: document.getElementById('mpTradesPanel'),
    tradesSearch: document.getElementById('mpTradesSearch'),
    tradesOptions: document.getElementById('mpTradesOptions'),
    tradesSelected: document.getElementById('mpTradesSelected'),
    tradesCount: document.getElementById('mpTradesCount'),

    showLocation: document.getElementById('mpShowLocation'),
    addressRule: document.getElementById('mpAddressRule'),

    abn: document.getElementById('mpAbn'),
    abnMasked: document.getElementById('mpAbnMasked'),
    license: document.getElementById('mpLicense'),

    toast: document.getElementById('mpToast'),
    roleButtons: Array.from(document.querySelectorAll('.mpRoleBtn'))
  };

  let user = getCurrentUser();
  let snapshot = JSON.parse(JSON.stringify(user));
  let editing = false;

  const showToast = (msg, ok=true) => {
    if (!els.toast) return;
    els.toast.classList.remove('hidden');
    els.toast.className = ok
      ? 'mt-4 text-sm px-3 py-2 rounded-lg border border-emerald-200 bg-emerald-50 text-emerald-800'
      : 'mt-4 text-sm px-3 py-2 rounded-lg border border-red-200 bg-red-50 text-red-800';
    els.toast.textContent = msg;
    setTimeout(() => { if (els.toast) els.toast.classList.add('hidden'); }, 2200);
  };

  const setDisabled = (disabled) => {
    [
      els.displayName, els.suburb, els.state, els.postcode, els.phone, els.email,
      els.showLocation, els.addressRule, els.abn, els.license
    ].forEach((el) => { if (el) el.disabled = disabled; });

    // Trade picker controls
    if (els.tradesToggle) els.tradesToggle.disabled = disabled;
    if (els.tradesSearch) els.tradesSearch.disabled = disabled;
  };

  const renderRoleUI = () => {
    const role = (user.role || 'dual');
    if (els.roleBadge) els.roleBadge.textContent = role.toUpperCase();
    els.roleButtons.forEach((b) => {
      const active = b.dataset.role === role;
      b.classList.toggle('bg-teal-600', active);
      b.classList.toggle('text-white', active);
      b.classList.toggle('border-teal-600', active);
    });

    if (els.publicTradieLink) {
      els.publicTradieLink.classList.toggle('hidden', !(role === 'tradie' || role === 'dual'));
      els.publicTradieLink.href = 'profile-tradesman.html?id=me';
    }
    if (els.publicCustomerLink) {
      els.publicCustomerLink.classList.toggle('hidden', !(role === 'customer' || role === 'dual'));
      els.publicCustomerLink.href = 'profile-customer.html?id=me';
    }

    if (els.tradesSection) {
      els.tradesSection.classList.toggle('hidden', !(role === 'tradie' || role === 'dual'));
    }
  };

  // Batch L: Tradie multi-trade picker (canonical list from data.js)
  const tradeCatalog = Array.isArray(window.TRADE_CATEGORIES) ? window.TRADE_CATEGORIES : [];
  const tradeLabel = (id) => {
    const found = tradeCatalog.find(t => t.id === id);
    return found ? found.label : (typeof window.tradeLabel === 'function' ? window.tradeLabel(id) : String(id || 'Other'));
  };

  let selectedTrades = new Set();

  function setSelectedTrades(next) {
    selectedTrades = new Set(Array.isArray(next) ? next.map(String).filter(Boolean) : []);
    if (els.tradesHidden) els.tradesHidden.value = Array.from(selectedTrades).join(',');
    if (els.tradesCount) els.tradesCount.textContent = `${selectedTrades.size} selected`;
    if (els.tradesSelected) {
      els.tradesSelected.innerHTML = Array.from(selectedTrades).map((id) => (
        `<span class="inline-flex items-center gap-2 px-3 py-1 rounded-full bg-teal-50 text-teal-700 text-xs font-medium">
          ${escapeHtml(tradeLabel(id))}
          <button type="button" data-remove-trade="${escapeHtml(id)}" class="text-teal-700 hover:text-teal-900" ${editing ? '' : 'disabled'}>×</button>
        </span>`
      )).join('');
      els.tradesSelected.querySelectorAll('[data-remove-trade]').forEach((btn) => {
        btn.addEventListener('click', () => {
          if (!editing) return;
          selectedTrades.delete(btn.getAttribute('data-remove-trade'));
          setSelectedTrades(Array.from(selectedTrades));
          renderTradeOptions();
        });
      });
    }
  }

  function renderTradeOptions() {
    if (!els.tradesOptions) return;
    const q = (els.tradesSearch?.value || '').toString().trim().toLowerCase();
    const rows = tradeCatalog
      .filter(t => !q || String(t.label).toLowerCase().includes(q) || String(t.id).toLowerCase().includes(q))
      .map(t => {
        const checked = selectedTrades.has(t.id) ? 'checked' : '';
        return `<label class="flex items-center gap-2 text-sm text-gray-700">
          <input type="checkbox" data-trade-id="${escapeHtml(t.id)}" class="rounded border-gray-300 text-teal-600 focus:ring-teal-500" ${checked} ${editing ? '' : 'disabled'} />
          <span>${escapeHtml(t.label)}</span>
        </label>`;
      });
    els.tradesOptions.innerHTML = rows.join('') || `<p class="text-sm text-gray-500">No trades found.</p>`;
    els.tradesOptions.querySelectorAll('input[data-trade-id]').forEach((box) => {
      box.addEventListener('change', () => {
        if (!editing) return;
        const id = box.getAttribute('data-trade-id');
        if (box.checked) selectedTrades.add(id);
        else selectedTrades.delete(id);
        setSelectedTrades(Array.from(selectedTrades));
      });
    });
  }

  els.tradesToggle?.addEventListener('click', () => {
    if (!editing) return;
    els.tradesPanel?.classList.toggle('hidden');
    renderTradeOptions();
  });
  els.tradesSearch?.addEventListener('input', renderTradeOptions);

  const render = () => {
    if (els.avatarImg) els.avatarImg.src = user.avatarDataUrl || user.avatar || 'https://static.photos/people/320x240/301';
    if (els.name) els.name.textContent = user.displayName || 'My Profile';

    if (els.verifiedBadge) {
      const verified = !!user.verification?.verified;
      els.verifiedBadge.classList.toggle('hidden', !verified);
    }

    if (els.displayName) els.displayName.value = user.displayName || '';
    if (els.suburb) els.suburb.value = user.location?.suburb || '';
    if (els.state) els.state.value = user.location?.state || '';
    if (els.postcode) els.postcode.value = user.location?.postcode || '';

    if (els.phone) els.phone.value = user.contact?.phone || '';
    if (els.email) els.email.value = user.contact?.email || '';

    if (els.showLocation) els.showLocation.checked = !!user.privacy?.showLocation;
    if (els.addressRule) els.addressRule.value = user.privacy?.addressRule || 'afterAccepted';

    if (els.abn) els.abn.value = user.verification?.abnFull || '';
    if (els.abnMasked) els.abnMasked.textContent = maskSensitiveKeepLast4(user.verification?.abnFull || '');
    if (els.license) els.license.value = user.verification?.licenseFull || '';

    if (!editing) {
      const fromUser = Array.isArray(user.tradie?.trades) ? user.tradie.trades : (typeof window.inferTradeIdsFromText === 'function' ? window.inferTradeIdsFromText(user.tradie?.trade) : []);
      setSelectedTrades(fromUser || []);
      renderTradeOptions();
    }

    renderRoleUI();

    if (typeof feather !== 'undefined') feather.replace();
  };

  const validate = () => {
    const name = (els.displayName?.value || '').trim();
    if (!name) return { ok: false, msg: 'Display name is required.' };

    const st = (els.state?.value || '').trim();
    const pc = (els.postcode?.value || '').trim();
    if (pc && !/^\d{4}$/.test(pc)) return { ok: false, msg: 'Postcode must be 4 digits.' };
    if (st && st.length > 3) return { ok: false, msg: 'State looks invalid.' };

    const email = (els.email?.value || '').trim();
    if (email && !/^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(email)) return { ok: false, msg: 'Email format looks invalid.' };

    return { ok: true };
  };

  const enterEdit = () => {
    editing = true;
    snapshot = JSON.parse(JSON.stringify(user));
    setDisabled(false);
    setAvatarButtonsEnabled(true);
    if (els.editBtn) els.editBtn.classList.add('hidden');
    if (els.saveBtn) els.saveBtn.classList.remove('hidden');
    if (els.cancelBtn) els.cancelBtn.classList.remove('hidden');
  };

  const exitEdit = () => {
    editing = false;
    setDisabled(true);
    setAvatarButtonsEnabled(false);
    if (els.editBtn) els.editBtn.classList.remove('hidden');
    if (els.saveBtn) els.saveBtn.classList.add('hidden');
    if (els.cancelBtn) els.cancelBtn.classList.add('hidden');
  };

  const applyFromFields = () => {
    user.displayName = (els.displayName?.value || '').trim();
    user.location = {
      suburb: (els.suburb?.value || '').trim(),
      state: (els.state?.value || '').trim().toUpperCase(),
      postcode: (els.postcode?.value || '').trim()
    };
    user.contact = {
      phone: (els.phone?.value || '').trim(),
      email: (els.email?.value || '').trim()
    };
    user.privacy = {
      showLocation: !!els.showLocation?.checked,
      addressRule: els.addressRule?.value || 'afterAccepted'
    };
    user.verification = user.verification || { verified: false, abnFull: '', licenseFull: '' };
    user.verification.abnFull = (els.abn?.value || '').trim();
    user.verification.licenseFull = (els.license?.value || '').trim();

    // Batch L: persist tradie trades (even in Dual mode)
    user.tradie = user.tradie || { trades: [] };
    user.tradie.trades = Array.from(selectedTrades);
  };



  // ----------------------------
  // Avatar upload (prototype)
  // Stores a compressed square image in localStorage as avatarDataUrl.
  // ----------------------------
  async function processAvatarFile(file) {
    if (!file) return null;
    if (!file.type || !file.type.startsWith('image/')) {
      showToast('Please choose an image file.', false);
      return null;
    }
    const MAX_BYTES = 3 * 1024 * 1024; // 3MB
    if (file.size > MAX_BYTES) {
      showToast('Image is too large (max 3MB).', false);
      return null;
    }

    if (!window.ATHImages || typeof window.ATHImages.processImageFile !== 'function') return null;
    return await window.ATHImages.processImageFile(file, {
      maxBytes: MAX_BYTES,
      maxDim: 384,
      cropSquare: true,
      mimePrefer: 'image/webp',
      quality: 0.85
    });
  }

  function setAvatarButtonsEnabled(enabled) {
    if (els.avatarPickBtn) els.avatarPickBtn.disabled = !enabled;
    if (els.avatarRemoveBtn) els.avatarRemoveBtn.disabled = !enabled;
  }

  els.avatarPickBtn?.addEventListener('click', () => {
    if (!editing) return;
    els.avatarFile?.click();
  });

  els.avatarFile?.addEventListener('change', async () => {
    if (!editing) return;
    const file = els.avatarFile.files && els.avatarFile.files[0];
    const processed = await processAvatarFile(file);
    // reset input so picking same file again still triggers change
    if (els.avatarFile) els.avatarFile.value = '';
    if (!processed) return;
    user.avatarDataUrl = processed;
    render();
  });

  els.avatarRemoveBtn?.addEventListener('click', () => {
    if (!editing) return;
    user.avatarDataUrl = '';
    render();
  });
  // Role selection
  els.roleButtons.forEach((btn) => {
    btn.addEventListener('click', () => {
      if (!editing) return;
      user.role = btn.dataset.role;
      renderRoleUI();
    });
  });

  els.editBtn?.addEventListener('click', () => enterEdit());
  els.cancelBtn?.addEventListener('click', () => { user = JSON.parse(JSON.stringify(snapshot)); render(); exitEdit(); showToast('Cancelled changes.', true); });
  els.saveBtn?.addEventListener('click', () => {
    const v = validate();
    if (!v.ok) return showToast(v.msg, false);
    applyFromFields();
    setCurrentUser(user);
    render();
    exitEdit();
    showToast('Saved.', true);
  });

  // Initial state
  render();
  exitEdit();
}

// ----------------------------
// Batch N1: Profile reviews rendering (read-only)
// ----------------------------
(function () {
  function escapeHtml(str) {
    return String(str || '')
      .replace(/&/g, '&amp;')
      .replace(/</g, '&lt;')
      .replace(/>/g, '&gt;')
      .replace(/"/g, '&quot;')
      .replace(/'/g, '&#039;');
  }

  function formatDate(ts) {
    const d = new Date(Number(ts || Date.now()));
    return d.toLocaleDateString(undefined, { year: 'numeric', month: 'short', day: '2-digit' });
  }

  function renderStars(stars) {
    const s = Math.max(0, Math.min(5, Number(stars || 0)));
    return Array.from({ length: 5 }).map((_, i) => {
      const filled = i < s;
      const cls = filled ? 'fill-current' : '';
      return `<i data-feather="star" class="w-4 h-4 ${cls}"></i>`;
    }).join('');
  }

  function getReviewCount(entity, opts) {
    if (!entity) return 0;
    const baseTotal = Number.isFinite(Number(entity.reviewCount)) ? Number(entity.reviewCount) : (Array.isArray(entity.reviews) ? entity.reviews.length : 0);
    const id = String(opts?.id || '');
    const role = String(opts?.role || '');
    const local = id ? getLocalPublishedReviews(id, role) : [];
    // Only add local items that are beyond demo base arrays
    return baseTotal + local.length;
  }

  function readLocalReviews() {
    try {
      const raw = localStorage.getItem('athReviews');
      if (!raw) return [];
      const parsed = JSON.parse(raw);
      return Array.isArray(parsed) ? parsed : [];
    } catch {
      return [];
    }
  }

  function getLocalPublishedReviews(targetId, targetRole) {
    const tid = String(targetId || '');
    if (!tid) return [];
    const role = String(targetRole || '');
    const list = readLocalReviews();
    const out = [];
    const now = Date.now();
    for (const r of list) {
      if (!r) continue;
      if (String(r.targetId) !== tid) continue;
      if (role && String(r.targetRole) !== role) continue;
      if (r.visibility === 'published') {
        out.push(r);
        continue;
      }
      const base = Date.parse(r.completedAt || '') || 0;
      if (base && (now - base) >= 7*24*60*60*1000) {
        out.push({ ...r, visibility: 'published' });
      }
    }
    return out;
  }

  function getReviews(entity, opts) {
    const base = Array.isArray(entity?.reviews) ? entity.reviews : [];
    const id = String(opts?.id || '');
    const role = String(opts?.role || '');
    const local = id ? getLocalPublishedReviews(id, role) : [];
    // map local format to display format
    const mapped = local.map(r => ({
      stars: r.stars,
      text: r.text,
      ts: r.ts,
      byRole: r.reviewerRole === 'customer' ? 'Customer' : r.reviewerRole === 'tradie' ? 'Tradie' : ''
    }));
    return [...mapped, ...base];
  }

  window.ATHRender = window.ATHRender || {};
  window.ATHRender.renderReviewsInto = function renderReviewsInto(container, entity, emptyText, opts) {
    if (!container) return;
    const reviews = getReviews(entity, opts);
    const total = getReviewCount(entity, opts);
    if (!reviews.length) {
      container.innerHTML = `<div class="text-sm text-gray-500">${escapeHtml(emptyText || 'No reviews yet.')}</div>`;
      return;
    }

    const header = (total > reviews.length)
      ? `<div class="text-xs text-gray-500 mb-3">Showing ${reviews.length} of ${total} reviews</div>`
      : '';

    const items = reviews.map((r) => {
      const who = r.byRole ? `<span class="text-xs text-gray-500">• ${escapeHtml(r.byRole)}</span>` : '';
      return `
        <div class="border border-gray-200 rounded-xl p-4">
          <div class="flex items-center justify-between gap-3">
            <div class="flex items-center text-amber-400">${renderStars(r.stars)}</div>
            <div class="text-xs text-gray-500">${escapeHtml(formatDate(r.ts))}</div>
          </div>
          <div class="mt-2 text-sm text-gray-700">${escapeHtml(r.text || '')}</div>
          <div class="mt-2 text-xs text-gray-500">${who}</div>
        </div>
      `;
    }).join('');

    container.innerHTML = `${header}<div class="space-y-3">${items}</div>`;

    // feather icons
    try {
      if (typeof feather !== 'undefined' && feather && typeof feather.replace === 'function') feather.replace();
    } catch (e) {}
  };
})();