// Profile view (свой профиль)
const ProfileView = {
  drinks: new Set(),
  activities: new Set(),
  purposes: new Set(),
  anonymous: false,

  DRINKS: [
    ['beer', '🍺 Пиво'], ['wine', '🍷 Вино'], ['whiskey', '🥃 Виски'], ['vodka', '🍸 Водка'],
    ['cocktail', '🍹 Коктейль'], ['rum', '🥃 Ром'], ['gin', '🍸 Джин'], ['tequila', '🌵 Текила'],
    ['champagne', '🍾 Шампанское'], ['non_alcoholic', '🥤 Безалкогольное'],
  ],
  ACTIVITIES: [
    ['walk', '🚶 Прогулка'], ['dinner', '🍽️ Ужин'], ['bar', '🍻 Бар'], ['cafe', '☕ Кафе'],
    ['travel', '✈️ Путешествие'], ['movie', '🎬 Кино'], ['concert', '🎵 Концерт'],
    ['sport', '⚽ Спорт'], ['gaming', '🎮 Игры'], ['reading', '📚 Чтение'],
  ],
  PURPOSES: [
    ['chat', '💬 Пообщаться'], ['drink', '🍻 Выпить'], ['walk', '🌳 Погулять'],
    ['dinner', '🍽️ Поужинать'], ['travel', '✈️ Поехать'], ['friendship', '🤝 Дружба'],
    ['relationship', '❤️ Отношения'],
  ],

  async render(root) {
    try {
      const me = await API.Auth.me();
      API.Store.user = me.user;
      const prefs = me.prefs || {};
      this.drinks = new Set(prefs.drinks || []);
      this.activities = new Set(prefs.activities || []);
      this.purposes = new Set(prefs.purposes || []);
      this.renderForm(root, me.user);
    } catch (e) {
      root.innerHTML = '<div class="view"><div class="empty">Не удалось загрузить: ' + e.message + '</div></div>';
    }
  },

  renderForm(root, u) {
    root.innerHTML = `
      <div class="view">
        <h1 style="margin:0 0 14px;font-size:22px;">👤 Мой профиль</h1>

        <!-- аватар -->
        <div class="card-b" style="display:flex;align-items:center;gap:14px;">
          <div class="avatar-b lg" id="p-avatar">${escapeHtml(((u.name || u.email || '?')[0] || '?').toUpperCase())}</div>
          <div style="flex:1;">
            <div style="font-weight:600;font-size:16px;">${escapeHtml(u.name || 'Без имени')}</div>
            ${u.telegram_id ? `<div style="font-size:13px;color:var(--text-dim);">@${escapeHtml(u.username || '')}</div>` : `<div style="font-size:13px;color:var(--text-dim);">${escapeHtml(u.email || '')}</div>`}
            <input type="file" id="p-photo-input" accept="image/jpeg,image/png,image/webp" style="display:none;">
            <button type="button" class="btn-b ghost tiny" id="p-upload" style="margin-top:8px;">📷 Загрузить фото</button>
          </div>
        </div>

        <!-- поля -->
        <div class="row-list" style="margin-top:14px;">
          <label class="field-b">
            <span>Имя</span>
            <input class="ctrl" id="p-name" value="${escapeHtml(u.name || '')}" placeholder="Как тебя зовут">
            <div class="hint mute" id="h-name"></div>
          </label>
          <label class="field-b">
            <span>Город</span>
            <input class="ctrl" id="p-city" placeholder="Москва" value="${escapeHtml(u.city || '')}">
          </label>
          <label class="field-b">
            <span>О себе</span>
            <textarea class="ctrl" id="p-bio" rows="3" placeholder="Пару слов о себе" style="resize:none;">${escapeHtml(u.bio || '')}</textarea>
            <div class="hint mute" id="h-bio" style="text-align:right;font-size:11px;"></div>
          </label>
          <label class="field-b">
            <span>Пол</span>
            <select class="ctrl" id="p-gender" style="font:15px/1.2 inherit;padding:13px 14px;">
              <option value="">Не указан</option>
              <option value="m" ${u.gender === 'm' ? 'selected' : ''}>Мужской</option>
              <option value="f" ${u.gender === 'f' ? 'selected' : ''}>Женский</option>
              <option value="o" ${u.gender === 'o' ? 'selected' : ''}>Другое</option>
            </select>
          </label>
        </div>

        <!-- чипы (drink/activity/purpose) -->
        <div class="row-list" style="margin-top:14px;">
          <div class="card-b">
            <div style="font-size:12px;font-weight:600;color:var(--text-dim);margin-bottom:10px;">🍻 Что пью</div>
            <div class="chip-list" id="p-drinks"></div>
          </div>
          <div class="card-b">
            <div style="font-size:12px;font-weight:600;color:var(--text-dim);margin-bottom:10px;">🎯 Чем занимаюсь</div>
            <div class="chip-list" id="p-activities"></div>
          </div>
          <div class="card-b">
            <div style="font-size:12px;font-weight:600;color:var(--text-dim);margin-bottom:10px;">💡 Цели</div>
            <div class="chip-list" id="p-purposes"></div>
          </div>
        </div>

        <button class="btn-b" id="p-save" style="margin-top:14px;">Сохранить</button>
      </div>
    `;

    this.renderChips('p-drinks', this.DRINKS, this.drinks);
    this.renderChips('p-activities', this.ACTIVITIES, this.activities);
    this.renderChips('p-purposes', this.PURPOSES, this.purposes);

    // upload photo
    document.getElementById('p-upload').onclick = () => document.getElementById('p-photo-input').click();
    document.getElementById('p-photo-input').onchange = async (e) => {
      const f = e.target.files[0];
      if (!f) return;
      if (f.size > 8 * 1024 * 1024) { App._toast('Файл больше 8 МБ', 'err'); return; }
      if (!/^image\/(jpeg|png|webp)$/.test(f.type)) { App._toast('Только JPEG/PNG/WebP', 'err'); return; }
      const fd = new FormData();
      fd.append('photo', f);
      const btn = document.getElementById('p-upload');
      const orig = btn.textContent;
      btn.textContent = '⏳ Загружаем…';
      btn.classList.add('load');
      try {
        const r = await fetch(API_BASE + '/api/v1/me/photo', { method: 'POST', body: fd, credentials: 'include' });
        if (!r.ok) throw new Error((await r.json()).error || 'HTTP ' + r.status);
        App._toast('✓ Фото загружено', 'ok');
      } catch (e) {
        App._toast('⚠️ ' + e.message, 'err');
      } finally {
        btn.textContent = orig;
        btn.classList.remove('load');
      }
    };

    // live counters
    const bio = document.getElementById('p-bio');
    const counter = document.getElementById('h-bio');
    function updBio() {
      const n = bio.value.length;
      counter.textContent = n + ' / 500';
      counter.className = 'hint ' + (n > 450 ? 'err' : 'mute');
    }
    bio.addEventListener('input', updBio);
    updBio();

    document.getElementById('p-save').onclick = () => this.save();
  },

  renderChips(elId, items, selected) {
    const el = document.getElementById(elId);
    if (!el) return;
    items.forEach(([key, label]) => {
      const chip = document.createElement('span');
      chip.className = 'chip' + (selected.has(key) ? ' on' : '');
      chip.textContent = label;
      chip.onclick = () => {
        try {
          if (selected.has(key)) selected.delete(key); else selected.add(key);
          chip.classList.toggle('on');
          TG_APP.haptic?.('selection');
        } catch (e) { console.warn('chip click err', e); }
      };
      el.appendChild(chip);
    });
  },

  async save() {
    const btn = document.getElementById('p-save');
    const orig = btn.textContent;
    btn.className = 'btn-b load';
    btn.textContent = '⏳ Сохраняем…';
    try {
      await API.Auth.updateMe({
        name: document.getElementById('p-name').value.trim(),
        city: document.getElementById('p-city').value.trim(),
        bio: document.getElementById('p-bio').value.trim(),
        gender: document.getElementById('p-gender').value,
      });
      await API.Auth.updatePrefs({
        drinks: [...this.drinks],
        activities: [...this.activities],
        purposes: [...this.purposes],
      });
      TG_APP.haptic?.('notification');
      btn.className = 'btn-b ok';
      btn.textContent = '✓ Готово!';
      App._toast('Профиль обновлён', 'ok');
      setTimeout(() => {
        btn.className = 'btn-b';
        btn.textContent = orig;
      }, 1500);
    } catch (e) {
      btn.className = 'btn-b err';
      btn.textContent = '⚠️ ' + (e.message || 'Ошибка');
      App._toast('Не удалось сохранить', 'err');
      const bad = (e.message || '').includes('name') ? 'p-name' : (e.message || '').includes('gender') ? 'p-gender' : null;
      if (bad) document.getElementById(bad)?.classList.add('bad');
      setTimeout(() => {
        btn.className = 'btn-b';
        btn.textContent = orig;
      }, 2000);
    }
  },
};

window.ProfileView = ProfileView;

// UserProfileView — чужой профиль (read-only) — открывается по тапу на маркер на карте
const UserProfileView = {
  userId: null,
  userName: null,
  data: null,

  async render(root, params) {
    this.userId = params.userId;
    this.userName = params.name || 'Пользователь';
    root.innerHTML = `
      <div class="view">
        <h1 style="margin:0 0 14px;font-size:22px;">👤 ${escapeHtml(this.userName)}</h1>
        <div id="up-content">${'<div class="empty-b">⏳ Загружаю…</div>'}</div>
      </div>
    `;
    try {
      const [user, stats] = await Promise.all([
        API.UserApi.get(this.userId),
        API.ReviewApi.stats(this.userId).catch(() => ({})),
      ]);
      this.data = user.user || user;
      const u = this.data;
      const init = ((u.name || u.email || '?')[0] || '?').toUpperCase();
      const rating = stats.rating_avg ? Number(stats.rating_avg).toFixed(1) : '—';
      const reviewsCount = stats.rating_count || 0;

      document.getElementById('up-content').innerHTML = `
        <!-- Аватар и имя -->
        <div class="card-b" style="display:flex;align-items:center;gap:14px;">
          <div class="avatar-b lg" style="${u.photo_url ? `background-image:url(${u.photo_url});background-size:cover;color:transparent;` : ''}">${u.photo_url ? '' : init}</div>
          <div style="flex:1;">
            <div style="font-weight:700;font-size:18px;">${escapeHtml(u.name || '')}</div>
            ${u.city ? `<div style="font-size:13px;color:var(--text-dim);">📍 ${escapeHtml(u.city)}</div>` : ''}
            ${reviewsCount > 0 ? `<div style="font-size:13px;color:var(--warn);margin-top:4px;">★ ${rating} · ${reviewsCount} ${pluralRu(reviewsCount, 'отзыв', 'отзыва', 'отзывов')}</div>` : ''}
          </div>
        </div>

        <!-- О себе -->
        ${u.bio ? `
          <div class="card-b" style="margin-top:12px;">
            <div style="font-size:12px;font-weight:600;color:var(--text-dim);margin-bottom:6px;">О себе</div>
            <div style="font-size:14px;line-height:1.4;">${escapeHtml(u.bio)}</div>
          </div>
        ` : ''}

        <!-- Действия -->
        <div class="row-list" style="margin-top:14px;">
          <button class="btn-b" id="up-message">💬 Написать</button>
          ${reviewsCount > 0 ? `<button class="btn-b ghost" id="up-reviews">⭐ Все отзывы</button>` : ''}
        </div>
      `;

      const msgBtn = document.getElementById('up-message');
      if (msgBtn) msgBtn.onclick = async () => {
        msgBtn.className = 'btn-b load';
        msgBtn.textContent = '⏳ Открываем…';
        try {
          const r = await API.ChatApi.ensureChat(this.userId);
          const cid = r.chat_id || r.chat?.id;
          if (!cid) throw new Error('chat not created');
          App.openChat(cid, this.userId, u.name);
        } catch (e) {
          msgBtn.className = 'btn-b err';
          msgBtn.textContent = '⚠️ ' + (e.message || 'Ошибка');
          App._toast('Не удалось открыть чат', 'err');
          setTimeout(() => { msgBtn.className = 'btn-b'; msgBtn.textContent = '💬 Написать'; }, 2000);
        }
      };

      const revBtn = document.getElementById('up-reviews');
      if (revBtn) revBtn.onclick = () => UserReviewsView.render(root, { userId: this.userId, userName: u.name });
    } catch (e) {
      document.getElementById('up-content').innerHTML = `<div class="empty-b">⚠️ Не удалось загрузить</div>`;
      App._toast('Ошибка загрузки профиля', 'err');
    }
  },
};

window.UserProfileView = UserProfileView;

function pluralRu(n, one, few, many) {
  const mod10 = n % 10, mod100 = n % 100;
  if (mod10 === 1 && mod100 !== 11) return one;
  if (mod10 >= 2 && mod10 <= 4 && (mod100 < 10 || mod100 >= 20)) return few;
  return many;
}