/**
 * TeamRoomScene.js
 * 3v3 Team room UI scene.
 * Supports team creation, joining, ready state, leader controls,
 * matchmaking, and WeChat friend invitation.
 */

const {
  SCREEN_WIDTH,
  SCREEN_HEIGHT,
  COLORS,
  SCENE,
  NET_MSG,
  TEAM_SIZE,
  SERVER_URL,
} = require('../base/GameGlobal');
const { t } = require('../i18n/I18n');

// ============================================================
// Layout Constants
// ============================================================
const BTN_WIDTH = Math.min(SCREEN_WIDTH * 0.35, 180);
const BTN_HEIGHT = Math.min(36, SCREEN_HEIGHT * 0.07);
const BTN_GAP = 10;
const CENTER_X = SCREEN_WIDTH / 2;
const SLOT_WIDTH = Math.min(SCREEN_WIDTH * 0.15, 80);
const SLOT_HEIGHT = Math.min(SCREEN_HEIGHT * 0.18, 90);
const SLOT_GAP = 8;

// ============================================================
// Team Room States
// ============================================================
const TEAM_STATE = {
  MODE_SELECT: 'mode_select', // Choose: create team or solo match
  JOINING: 'joining',         // Auto-joining a team from invite
  FORMING: 'forming',         // Team room, waiting for members
  MATCHING: 'matching',       // In matchmaking queue
  COUNTDOWN: 'countdown',     // Match found, counting down
  ERROR: 'error',             // Error state
};

// ============================================================
// Team Room Scene
// ============================================================
const TeamRoomScene = {
  _state: TEAM_STATE.MODE_SELECT,
  _teamData: null,       // { teamId, state, leaderId, teamA, teamB }
  _errorMsg: '',
  _animTimer: 0,
  _matchTimer: 0,        // Seconds elapsed in matching
  _countdown: 3,
  _countdownTimer: 0,
  _networkManager: null,
  _unsubscribers: [],
  _isLeader: false,
  _myPlayerId: null,

  // Server URL (from global config)
  _serverUrl: SERVER_URL,

  // Button rects
  _createTeamBtnRect: null,
  _soloMatchBtnRect: null,
  _backBtnRect: null,
  _inviteBtnRect: null,
  _matchBtnRect: null,
  _readyBtnRect: null,
  _disbandBtnRect: null,
  _leaveBtnRect: null,
  _cancelMatchBtnRect: null,
  _slotRects: [],
  _kickBtnRects: [],

  enter(params) {
    this._state = TEAM_STATE.MODE_SELECT;
    this._teamData = null;
    this._errorMsg = '';
    this._animTimer = 0;
    this._matchTimer = 0;
    this._countdown = 3;
    this._countdownTimer = 0;
    this._networkManager = GameGlobal.networkManager;
    this._myPlayerId = this._networkManager ? this._networkManager.playerId : 'player_' + Date.now();
    this._isLeader = false;

    this._buildLayout();
    // Setup network events BEFORE auto-join so listeners are ready
    this._setupNetworkEvents();

    // If entering with a teamId (from invite card), auto-join
    if (params && params.teamId) {
      this._autoJoinTeam(params.teamId);
    }
  },

  /**
   * Update share content so that any share from the top-right menu
   * always carries the current teamId.
   * @private
   */
  _updateShareContent() {
    if (!this._teamData || !this._teamData.teamId) return;
    const shareManager = GameGlobal.shareManager;
    if (shareManager) {
      shareManager.setShareContent({
        title: t('teamRoom.shareTitle'),
        imageUrl: '',
        query: `teamId=${this._teamData.teamId}`,
      });
    }
  },

  exit() {
    this._cleanupNetworkEvents();
    // Reset share content when leaving team room
    const shareManager = GameGlobal.shareManager;
    if (shareManager) {
      shareManager.resetShareContent();
    }
  },

  _buildLayout() {
    const modeY = SCREEN_HEIGHT * 0.4;

    this._createTeamBtnRect = {
      x: CENTER_X - BTN_WIDTH / 2,
      y: modeY,
      w: BTN_WIDTH,
      h: BTN_HEIGHT,
    };
    this._soloMatchBtnRect = {
      x: CENTER_X - BTN_WIDTH / 2,
      y: modeY + BTN_HEIGHT + BTN_GAP,
      w: BTN_WIDTH,
      h: BTN_HEIGHT,
    };
    this._backBtnRect = {
      x: 10,
      y: 10,
      w: 60,
      h: 30,
    };

    // Team member slots (5 slots in a row)
    const totalSlotsWidth = TEAM_SIZE * SLOT_WIDTH + (TEAM_SIZE - 1) * SLOT_GAP;
    const slotsStartX = CENTER_X - totalSlotsWidth / 2;
    const slotsY = SCREEN_HEIGHT * 0.25;

    this._slotRects = [];
    this._kickBtnRects = [];
    for (let i = 0; i < TEAM_SIZE; i++) {
      const x = slotsStartX + i * (SLOT_WIDTH + SLOT_GAP);
      this._slotRects.push({
        x, y: slotsY, w: SLOT_WIDTH, h: SLOT_HEIGHT,
      });
      // Kick button (small X at top-right of slot)
      this._kickBtnRects.push({
        x: x + SLOT_WIDTH - 18, y: slotsY + 2, w: 16, h: 16,
      });
    }

    // Action buttons (below slots)
    const actionY = SCREEN_HEIGHT * 0.58;
    const smallBtnW = BTN_WIDTH * 0.8;

    this._inviteBtnRect = {
      x: CENTER_X - smallBtnW - BTN_GAP / 2,
      y: actionY,
      w: smallBtnW,
      h: BTN_HEIGHT,
    };
    this._matchBtnRect = {
      x: CENTER_X + BTN_GAP / 2,
      y: actionY,
      w: smallBtnW,
      h: BTN_HEIGHT,
    };
    this._readyBtnRect = {
      x: CENTER_X - smallBtnW / 2,
      y: actionY,
      w: smallBtnW,
      h: BTN_HEIGHT,
    };
    this._disbandBtnRect = {
      x: CENTER_X - smallBtnW - BTN_GAP / 2,
      y: actionY + BTN_HEIGHT + BTN_GAP,
      w: smallBtnW,
      h: BTN_HEIGHT,
    };
    this._leaveBtnRect = {
      x: CENTER_X - smallBtnW / 2,
      y: actionY + BTN_HEIGHT + BTN_GAP,
      w: smallBtnW,
      h: BTN_HEIGHT,
    };
    this._cancelMatchBtnRect = {
      x: CENTER_X - BTN_WIDTH / 2,
      y: SCREEN_HEIGHT * 0.7,
      w: BTN_WIDTH,
      h: BTN_HEIGHT,
    };
  },

  _setupNetworkEvents() {
    this._cleanupNetworkEvents();
    const nm = this._networkManager;
    if (!nm) return;

    const unsubs = [];

    unsubs.push(nm.on(NET_MSG.TEAM_STATE, (data) => {
      this._teamData = data;
      this._isLeader = data.leaderId === this._myPlayerId;

      if (data.state === 'forming') {
        this._state = TEAM_STATE.FORMING;
      } else if (data.state === 'matching') {
        this._state = TEAM_STATE.MATCHING;
      }

      // Keep share content up-to-date with current teamId
      this._updateShareContent();
    }));

    unsubs.push(nm.on(NET_MSG.TEAM_DISBAND, (data) => {
      this._teamData = null;
      this._state = TEAM_STATE.MODE_SELECT;
      if (data.reason === 'kicked') {
        this._errorMsg = t('common.kicked');
        this._state = TEAM_STATE.ERROR;
      }
    }));

    unsubs.push(nm.on(NET_MSG.MATCH_FOUND, () => {
      this._state = TEAM_STATE.COUNTDOWN;
      this._countdown = 3;
      this._countdownTimer = 0;
    }));

    unsubs.push(nm.on(NET_MSG.TEAM_GAME_START, (data) => {
      this._startTeamGame(data);
    }));

    unsubs.push(nm.on(NET_MSG.ROOM_ERROR, (data) => {
      this._errorMsg = data.message || 'Unknown error';
      // Only switch to error state if not already in game transition
      if (this._state !== TEAM_STATE.COUNTDOWN) {
        this._state = TEAM_STATE.ERROR;
      }
    }));

    unsubs.push(nm.on('error', () => {
      this._errorMsg = t('common.connectFailed');
      this._state = TEAM_STATE.ERROR;
    }));

    unsubs.push(nm.on('disconnected', () => {
      if (this._state !== TEAM_STATE.MODE_SELECT) {
        this._errorMsg = t('common.disconnected');
        this._state = TEAM_STATE.ERROR;
      }
    }));

    this._unsubscribers = unsubs;
  },

  _cleanupNetworkEvents() {
    for (const unsub of this._unsubscribers) {
      if (typeof unsub === 'function') unsub();
    }
    this._unsubscribers = [];
  },

  update(dt) {
    this._animTimer += dt;

    if (this._state === TEAM_STATE.MATCHING) {
      this._matchTimer += dt;
    }

    if (this._state === TEAM_STATE.COUNTDOWN) {
      this._countdownTimer += dt;
      if (this._countdownTimer >= 1) {
        this._countdownTimer -= 1;
        this._countdown--;
      }
    }
  },

  _startTeamGame(data) {
    const sm = GameGlobal.sceneManager;
    if (!sm._scenes.has(SCENE.TEAM_GAME)) {
      const TeamGameScene = require('./TeamGameScene');
      sm.register(SCENE.TEAM_GAME, TeamGameScene);
    }
    sm.switchTo(SCENE.TEAM_GAME, {
      teamId: this._teamData ? this._teamData.teamId : null,
      mapId: data.mapId,
      teamA: data.teamA,
      teamB: data.teamB,
      teamABaseHp: data.teamABaseHp,
      teamBBaseHp: data.teamBBaseHp,
      myPlayerId: this._myPlayerId,
    });
  },

  render(ctx) {
    // Background
    ctx.fillStyle = COLORS.MENU_BG;
    ctx.fillRect(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT);

    // Top accent bar
    const gradient = ctx.createLinearGradient(0, 0, SCREEN_WIDTH, 0);
    gradient.addColorStop(0, '#0f3460');
    gradient.addColorStop(0.5, '#e94560');
    gradient.addColorStop(1, '#0f3460');
    ctx.fillStyle = gradient;
    ctx.fillRect(0, 0, SCREEN_WIDTH, 4);

    // Back button
    this._drawButton(ctx, this._backBtnRect, t('common.back'), false, 12);

    // Title
    ctx.fillStyle = COLORS.MENU_TITLE;
    ctx.font = 'bold 22px Arial';
    ctx.textAlign = 'center';
    ctx.textBaseline = 'middle';
    ctx.fillText(t('teamRoom.title'), CENTER_X, SCREEN_HEIGHT * 0.08);

    switch (this._state) {
      case TEAM_STATE.MODE_SELECT:
        this._renderModeSelect(ctx);
        break;
      case TEAM_STATE.JOINING:
        this._renderJoining(ctx);
        break;
      case TEAM_STATE.FORMING:
        this._renderForming(ctx);
        break;
      case TEAM_STATE.MATCHING:
        this._renderMatching(ctx);
        break;
      case TEAM_STATE.COUNTDOWN:
        this._renderCountdown(ctx);
        break;
      case TEAM_STATE.ERROR:
        this._renderError(ctx);
        break;
    }
  },

  _renderJoining(ctx) {
    const dots = '.'.repeat(Math.floor(this._animTimer * 3) % 4);
    ctx.fillStyle = '#FFFFFF';
    ctx.font = '18px Arial';
    ctx.textAlign = 'center';
    ctx.textBaseline = 'middle';
    ctx.fillText(t('teamRoom.joining') + dots, CENTER_X, SCREEN_HEIGHT * 0.45);
  },

  _renderModeSelect(ctx) {
    ctx.fillStyle = '#AAAAAA';
    ctx.font = '14px Arial';
    ctx.textAlign = 'center';
    ctx.fillText(t('teamRoom.chooseMode'), CENTER_X, SCREEN_HEIGHT * 0.28);

    this._drawButton(ctx, this._createTeamBtnRect, t('teamRoom.createTeam'));
    this._drawButton(ctx, this._soloMatchBtnRect, t('teamRoom.soloMatch'));
  },

  _renderForming(ctx) {
    if (!this._teamData) return;

    // Team ID display
    ctx.fillStyle = '#AAAAAA';
    ctx.font = '12px Arial';
    ctx.textAlign = 'center';
    ctx.fillText(t('teamRoom.teamId', { id: this._teamData.teamId }), CENTER_X, SCREEN_HEIGHT * 0.16);

    // Render team member slots
    const members = this._teamData.teamA || [];
    for (let i = 0; i < TEAM_SIZE; i++) {
      const rect = this._slotRects[i];
      const member = members[i];

      // Slot background
      ctx.fillStyle = member ? '#1e3a5f' : '#0d1b2a';
      ctx.strokeStyle = member ? (member.isLeader ? '#FFD700' : '#0f3460') : '#333333';
      ctx.lineWidth = member && member.isLeader ? 3 : 1;
      this._drawRoundRect(ctx, rect.x, rect.y, rect.w, rect.h, 8);
      ctx.fill();
      ctx.stroke();

      if (member) {
        // Avatar placeholder (circle)
        const avatarR = Math.min(rect.w, rect.h) * 0.22;
        const avatarCX = rect.x + rect.w / 2;
        const avatarCY = rect.y + rect.h * 0.3;

        ctx.fillStyle = member.isLeader ? '#FFD700' : '#4a90d9';
        ctx.beginPath();
        ctx.arc(avatarCX, avatarCY, avatarR, 0, Math.PI * 2);
        ctx.fill();

        // Player icon
        ctx.fillStyle = '#FFFFFF';
        ctx.font = `${avatarR}px Arial`;
        ctx.textAlign = 'center';
        ctx.textBaseline = 'middle';
        ctx.fillText('🎖', avatarCX, avatarCY);

        // Leader badge
        if (member.isLeader) {
          ctx.fillStyle = '#FFD700';
          ctx.font = 'bold 9px Arial';
          ctx.fillText(t('teamRoom.leader'), avatarCX, avatarCY + avatarR + 10);
        }

        // Player name (truncated)
        ctx.fillStyle = '#FFFFFF';
        ctx.font = '10px Arial';
        const name = this._getDisplayName(member);
        ctx.fillText(name, avatarCX, rect.y + rect.h * 0.7);

        // Ready state
        if (!member.isLeader) {
          ctx.fillStyle = member.ready ? '#00FF00' : '#FF6347';
          ctx.font = 'bold 10px Arial';
          ctx.fillText(member.ready ? t('teamRoom.ready') : t('teamRoom.notReady'), avatarCX, rect.y + rect.h * 0.88);
        }

        // Kick button (only for leader, not on self)
        if (this._isLeader && !member.isLeader && member.playerId !== this._myPlayerId) {
          const kickRect = this._kickBtnRects[i];
          ctx.fillStyle = '#FF4444';
          ctx.font = 'bold 12px Arial';
          ctx.fillText('✕', kickRect.x + kickRect.w / 2, kickRect.y + kickRect.h / 2);
        }
      } else {
        // Empty slot
        ctx.fillStyle = '#555555';
        ctx.font = '24px Arial';
        ctx.textAlign = 'center';
        ctx.textBaseline = 'middle';
        ctx.fillText('+', rect.x + rect.w / 2, rect.y + rect.h / 2);

        ctx.fillStyle = '#666666';
        ctx.font = '10px Arial';
        ctx.fillText(t('teamRoom.emptySlot'), rect.x + rect.w / 2, rect.y + rect.h * 0.78);
      }
    }

    // Action buttons based on role
    if (this._isLeader) {
      this._drawButton(ctx, this._inviteBtnRect, t('teamRoom.invite'));

      // Match button: only enabled if all ready
      const allReady = members.length > 0 && members.every(m => m.ready || m.isLeader);
      this._drawButton(ctx, this._matchBtnRect, t('teamRoom.startMatch'), false, 14, allReady ? null : '#555555');
      this._drawButton(ctx, this._disbandBtnRect, t('teamRoom.disband'), false, 12, '#8B0000');
    } else {
      // Member: ready/unready button
      const myMember = members.find(m => m.playerId === this._myPlayerId);
      const readyLabel = myMember && myMember.ready ? t('teamRoom.cancelReady') : t('teamRoom.readyBtn');
      this._drawButton(ctx, this._readyBtnRect, readyLabel);
      this._drawButton(ctx, this._leaveBtnRect, t('teamRoom.leaveTeam'), false, 12, '#8B0000');
    }
  },

  _renderMatching(ctx) {
    if (!this._teamData) return;

    // Render team slots (smaller, at top)
    const members = this._teamData.teamA || [];
    for (let i = 0; i < TEAM_SIZE; i++) {
      const rect = this._slotRects[i];
      const member = members[i];

      ctx.fillStyle = member ? '#1e3a5f' : '#0d1b2a';
      ctx.strokeStyle = '#0f3460';
      ctx.lineWidth = 1;
      this._drawRoundRect(ctx, rect.x, rect.y, rect.w, rect.h, 8);
      ctx.fill();
      ctx.stroke();

      if (member) {
        ctx.fillStyle = '#FFFFFF';
        ctx.font = '10px Arial';
        ctx.textAlign = 'center';
        ctx.textBaseline = 'middle';
        const name = this._getDisplayName(member);
        ctx.fillText(name, rect.x + rect.w / 2, rect.y + rect.h / 2);
      }
    }

    // Matching animation
    const elapsed = Math.floor(this._matchTimer);
    const dots = '.'.repeat(Math.floor(this._animTimer * 3) % 4);
    ctx.fillStyle = '#FFFFFF';
    ctx.font = '18px Arial';
    ctx.textAlign = 'center';
    ctx.fillText(t('teamRoom.matching', { dots }), CENTER_X, SCREEN_HEIGHT * 0.55);

    ctx.fillStyle = '#AAAAAA';
    ctx.font = '14px Arial';
    ctx.fillText(t('teamRoom.waitTime', { seconds: elapsed }), CENTER_X, SCREEN_HEIGHT * 0.62);

    // Cancel button (leader only)
    if (this._isLeader) {
      this._drawButton(ctx, this._cancelMatchBtnRect, t('teamRoom.cancelMatch'));
    }
  },

  _renderCountdown(ctx) {
    ctx.fillStyle = '#00FF00';
    ctx.font = '16px Arial';
    ctx.textAlign = 'center';
    ctx.fillText(t('teamRoom.matchFound'), CENTER_X, SCREEN_HEIGHT * 0.35);

    ctx.fillStyle = COLORS.MENU_TITLE;
    ctx.font = 'bold 64px Arial';
    ctx.fillText(String(Math.max(1, this._countdown)), CENTER_X, SCREEN_HEIGHT * 0.52);

    ctx.fillStyle = '#AAAAAA';
    ctx.font = '14px Arial';
    ctx.fillText(t('teamRoom.enterBattle'), CENTER_X, SCREEN_HEIGHT * 0.65);
  },

  _renderError(ctx) {
    ctx.fillStyle = '#FF4444';
    ctx.font = '16px Arial';
    ctx.textAlign = 'center';
    ctx.fillText(this._errorMsg, CENTER_X, SCREEN_HEIGHT * 0.45);

    ctx.fillStyle = '#AAAAAA';
    ctx.font = '14px Arial';
    ctx.fillText(t('teamRoom.tapBack'), CENTER_X, SCREEN_HEIGHT * 0.55);
  },

  _drawButton(ctx, rect, label, pressed, fontSize, bgColor) {
    if (!rect) return;
    const fs = fontSize || 14;

    ctx.fillStyle = bgColor || (pressed ? '#0f3460' : COLORS.MENU_BTN);
    ctx.strokeStyle = COLORS.MENU_BTN_BORDER;
    ctx.lineWidth = 2;

    this._drawRoundRect(ctx, rect.x, rect.y, rect.w, rect.h, 6);
    ctx.fill();
    ctx.stroke();

    ctx.fillStyle = pressed ? COLORS.MENU_TITLE : COLORS.MENU_BTN_TEXT;
    ctx.font = `bold ${fs}px Arial`;
    ctx.textAlign = 'center';
    ctx.textBaseline = 'middle';
    ctx.fillText(label, rect.x + rect.w / 2, rect.y + rect.h / 2);
  },

  _drawRoundRect(ctx, x, y, w, h, r) {
    ctx.beginPath();
    ctx.moveTo(x + r, y);
    ctx.lineTo(x + w - r, y);
    ctx.arcTo(x + w, y, x + w, y + r, r);
    ctx.lineTo(x + w, y + h - r);
    ctx.arcTo(x + w, y + h, x + w - r, y + h, r);
    ctx.lineTo(x + r, y + h);
    ctx.arcTo(x, y + h, x, y + h - r, r);
    ctx.lineTo(x, y + r);
    ctx.arcTo(x, y, x + r, y, r);
    ctx.closePath();
  },

  _hitTest(tx, ty, rect) {
    if (!rect) return false;
    return tx >= rect.x && tx <= rect.x + rect.w && ty >= rect.y && ty <= rect.y + rect.h;
  },

  /**
   * Compute a display name for a team member entry.
   * Uses real WeChat nickname when available, otherwise a stable fallback.
   * Truncated to 4 Chinese-equivalent chars to fit the slot UI.
   * @private
   */
  _getDisplayName(member) {
    if (!member) return '';
    const profile = GameGlobal.playerProfile;
    let raw = member.nickname || '';
    if (!raw) {
      if (profile && typeof profile.getDisplayName === 'function') {
        raw = profile.getDisplayName(member.playerId);
      } else {
        raw = member.playerId || '';
      }
    }
    if (profile && typeof profile.truncate === 'function') {
      return profile.truncate(raw, 4);
    }
    return raw.length > 8 ? raw.substring(0, 8) + '..' : raw;
  },

  handleTouch(eventType, e) {
    if (eventType !== 'touchstart') return;

    const touch = e.touches[0];
    const tx = touch.clientX;
    const ty = touch.clientY;

    // Back button
    if (this._hitTest(tx, ty, this._backBtnRect)) {
      this._goBack();
      return;
    }

    switch (this._state) {
      case TEAM_STATE.MODE_SELECT:
        if (this._hitTest(tx, ty, this._createTeamBtnRect)) {
          this._handleCreateTeam();
        } else if (this._hitTest(tx, ty, this._soloMatchBtnRect)) {
          this._handleSoloMatch();
        }
        break;

      case TEAM_STATE.FORMING:
        this._handleFormingTouch(tx, ty);
        break;

      case TEAM_STATE.MATCHING:
        if (this._isLeader && this._hitTest(tx, ty, this._cancelMatchBtnRect)) {
          this._handleCancelMatch();
        }
        break;

      case TEAM_STATE.ERROR:
        this._state = TEAM_STATE.MODE_SELECT;
        this._errorMsg = '';
        break;
    }
  },

  _handleFormingTouch(tx, ty) {
    if (!this._teamData) return;

    if (this._isLeader) {
      // Invite button
      if (this._hitTest(tx, ty, this._inviteBtnRect)) {
        this._handleInvite();
        return;
      }

      // Match button
      if (this._hitTest(tx, ty, this._matchBtnRect)) {
        this._handleStartMatch();
        return;
      }

      // Disband button
      if (this._hitTest(tx, ty, this._disbandBtnRect)) {
        this._handleDisband();
        return;
      }

      // Kick buttons
      const members = this._teamData.teamA || [];
      for (let i = 0; i < members.length; i++) {
        const member = members[i];
        if (member && !member.isLeader && member.playerId !== this._myPlayerId) {
          if (this._hitTest(tx, ty, this._kickBtnRects[i])) {
            this._handleKick(member.playerId);
            return;
          }
        }
      }
    } else {
      // Ready button
      if (this._hitTest(tx, ty, this._readyBtnRect)) {
        this._handleReady();
        return;
      }

      // Leave button
      if (this._hitTest(tx, ty, this._leaveBtnRect)) {
        this._handleLeave();
        return;
      }
    }
  },

  async _handleCreateTeam() {
    const nm = this._networkManager;
    if (!nm) return;

    if (!nm.connected) {
      const ok = await nm.connect(this._serverUrl);
      if (!ok) {
        this._errorMsg = t('common.cannotConnect');
        this._state = TEAM_STATE.ERROR;
        return;
      }
    }

    this._myPlayerId = nm.playerId;
    nm.send(NET_MSG.CREATE_TEAM, {});
  },

  async _handleSoloMatch() {
    const nm = this._networkManager;
    if (!nm) return;

    if (!nm.connected) {
      const ok = await nm.connect(this._serverUrl);
      if (!ok) {
        this._errorMsg = t('common.cannotConnect');
        this._state = TEAM_STATE.ERROR;
        return;
      }
    }

    this._myPlayerId = nm.playerId;
    this._matchTimer = 0;
    // State will be updated by TEAM_STATE event from server
    nm.send(NET_MSG.SOLO_MATCH, {});
  },

  async _autoJoinTeam(teamId) {
    const nm = this._networkManager;
    if (!nm) {
      this._errorMsg = t('common.cannotConnect');
      this._state = TEAM_STATE.ERROR;
      return;
    }

    // Show a joining indicator
    this._state = TEAM_STATE.JOINING;
    this._errorMsg = '';

    try {
      if (!nm.connected) {
        const ok = await nm.connect(this._serverUrl);
        if (!ok) {
          this._errorMsg = t('common.cannotConnect');
          this._state = TEAM_STATE.ERROR;
          return;
        }
      }

      this._myPlayerId = nm.playerId;
      console.log(`[TeamRoom] Auto-joining team ${teamId} as ${this._myPlayerId}`);
      nm.send(NET_MSG.JOIN_TEAM, { teamId });
    } catch (e) {
      console.error('[TeamRoom] Auto-join failed:', e);
      this._errorMsg = t('common.cannotConnect');
      this._state = TEAM_STATE.ERROR;
    }
  },

  _handleInvite() {
    if (!this._teamData) return;

    const teamId = this._teamData.teamId;
    const shareData = {
      title: t('teamRoom.shareTitle'),
      imageUrl: '',
      query: `teamId=${teamId}`,
    };

    console.log(`[TeamRoom] Sharing invite with query: teamId=${teamId}`);

    // WeChat mini-game policy: direct wx.shareAppMessage() calls are forbidden.
    // Must use passive sharing via onShareAppMessage callback.
    const shareManager = GameGlobal.shareManager;
    if (shareManager) {
      shareManager.triggerShare(shareData);
    } else {
      try {
        wx.showToast({
          title: '请点击右上角 ··· 转发给好友',
          icon: 'none',
          duration: 2500,
        });
      } catch (e) {
        console.log('[TeamRoom] Share not available, teamId:', teamId);
      }
    }
  },

  _handleStartMatch() {
    const nm = this._networkManager;
    if (!nm || !this._teamData) return;

    // Check all members are ready before sending
    const members = this._teamData.teamA || [];
    const allReady = members.length > 0 && members.every(m => m.ready || m.isLeader);
    if (!allReady) return;

    this._matchTimer = 0;
    nm.send(NET_MSG.MATCH_START, {});
  },

  _handleCancelMatch() {
    const nm = this._networkManager;
    if (!nm) return;
    nm.send(NET_MSG.MATCH_CANCEL, {});
  },

  _handleReady() {
    const nm = this._networkManager;
    if (!nm || !this._teamData) return;

    const myMember = (this._teamData.teamA || []).find(m => m.playerId === this._myPlayerId);
    nm.send(NET_MSG.TEAM_READY, { ready: myMember ? !myMember.ready : true });
  },

  _handleKick(playerId) {
    const nm = this._networkManager;
    if (!nm) return;
    nm.send(NET_MSG.TEAM_KICK, { playerId });
  },

  _handleDisband() {
    const nm = this._networkManager;
    if (!nm) return;
    nm.send(NET_MSG.TEAM_DISBAND, {});
  },

  _handleLeave() {
    const nm = this._networkManager;
    if (!nm) return;
    nm.send(NET_MSG.LEAVE_TEAM, {});
    this._teamData = null;
    this._state = TEAM_STATE.MODE_SELECT;
  },

  _goBack() {
    // Leave team if in one
    if (this._teamData) {
      const nm = this._networkManager;
      if (nm) {
        if (this._state === TEAM_STATE.MATCHING && this._isLeader) {
          // Cancel match first, then disband
          nm.send(NET_MSG.MATCH_CANCEL, {});
        }
        if (this._isLeader) {
          nm.send(NET_MSG.TEAM_DISBAND, {});
        } else {
          nm.send(NET_MSG.LEAVE_TEAM, {});
        }
      }
    }

    const sm = GameGlobal.sceneManager;
    sm.switchTo(SCENE.MENU);
  },
};

module.exports = TeamRoomScene;