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2026-04-10 22:59:39 +08:00
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+/**
+ * ShareManager.js
+ * Minimal share manager - only basic share functionality.
+ * Social fission features have been removed in monetization-lite.
+ */
+class ShareManager {
+  constructor() {
+    // Default share content
+    this._shareContent = {
+      title: '坦克大战 - 一起来战斗吧！',
+      imageUrl: '',
+      query: '',
+    };
+
+    // Register share menu and callback ONCE at startup.
+    // The callback reads this._shareContent dynamically so it always
+    // returns the latest share data without needing re-registration.
+    try {
+      if (typeof wx !== 'undefined') {
+        if (wx.showShareMenu) {
+          wx.showShareMenu({
+            withShareTicket: true,
+            menus: ['shareAppMessage'],
+          });
+        }
+        if (wx.onShareAppMessage) {
+          wx.onShareAppMessage(() => {
+            console.log('[ShareManager] onShareAppMessage callback, query:', this._shareContent.query);
+            return {
+              title: this._shareContent.title || '坦克大战 - 一起来战斗吧！',
+              imageUrl: this._shareContent.imageUrl || '',
+              query: this._shareContent.query || '',
+            };
+          });
+        }
+      }
+    } catch (e) {
+      console.warn('[ShareManager] constructor share setup failed:', e);
+    }
+  }
+
+  /**
+   * Update open data for friend ranking.
+   * @param {number} score
+   * @param {number} level
+   */
+  updateOpenData(score, level) {
+    try {
+      if (typeof wx !== 'undefined' && wx.setUserCloudStorage) {
+        wx.setUserCloudStorage({
+          KVDataList: [
+            { key: 'score', value: String(score) },
+            { key: 'level', value: String(level) },
+          ],
+        });
+      }
+    } catch (e) {
+      console.warn('[ShareManager] updateOpenData failed:', e);
+    }
+  }
+
+  /**
+   * Re-register the onShareAppMessage callback so the latest
+   * this._shareContent is captured. Called internally whenever
+   * share content changes.
+   */
+  _refreshShareCallback() {
+    try {
+      if (typeof wx !== 'undefined' && wx.onShareAppMessage) {
+        wx.onShareAppMessage(() => {
+          console.log('[ShareManager] onShareAppMessage callback fired, query:', this._shareContent.query);
+          return {
+            title: this._shareContent.title || '坦克大战 - 一起来战斗吧！',
+            imageUrl: this._shareContent.imageUrl || '',
+            query: this._shareContent.query || '',
+          };
+        });
+      }
+    } catch (e) {
+      console.warn('[ShareManager] _refreshShareCallback failed:', e);
+    }
+  }
+
+  /**
+   * Set share content for the passive share callback (right-corner ··· menu).
+   * Also re-registers the onShareAppMessage callback to guarantee the
+   * latest content is used when the user taps the share button.
+   * @param {object} opts - { title, imageUrl, query }
+   */
+  setShareContent(opts) {
+    this._shareContent = opts || {};
+    console.log('[ShareManager] Share content updated:', JSON.stringify(this._shareContent));
+    // Re-register callback to ensure WeChat picks up the new content
+    this._refreshShareCallback();
+  }
+
+  /**
+   * Trigger a share action (e.g. team invite).
+   * MUST be called within a user-initiated touch event call stack so that
+   * wx.shareAppMessage() is allowed by WeChat policy.
+   * Also updates the passive share callback as a fallback for the ··· menu.
+   * @param {object} opts - { title, imageUrl, query }
+   */
+  triggerShare(opts) {
+    const data = opts || {};
+    // Update passive share callback (right-corner ··· menu fallback)
+    this.setShareContent(data);
+
+    // Directly invoke wx.shareAppMessage() to open the friend-picker panel.
+    // This is permitted because triggerShare is called from a touchstart handler.
+    try {
+      if (typeof wx !== 'undefined' && wx.shareAppMessage) {
+        console.log('[ShareManager] Calling wx.shareAppMessage with query:', data.query);
+        wx.shareAppMessage({
+          title: data.title || '',
+          imageUrl: data.imageUrl || '',
+          query: data.query || '',
+        });
+      }
+    } catch (e) {
+      console.warn('[ShareManager] wx.shareAppMessage failed, falling back to toast:', e);
+      // Fallback: prompt user to use the ··· menu
+      try {
+        if (typeof wx !== 'undefined' && wx.showToast) {
+          wx.showToast({
+            title: '请点击右上角「···」转发给好友',
+            icon: 'none',
+            duration: 2500,
+          });
+        }
+      } catch (e2) {
+        console.warn('[ShareManager] triggerShare fallback failed:', e2);
+      }
+    }
+  }
+
+  /**
+   * Reset share content to default (clear team invite data).
+   * Called when leaving the team room.
+   */
+  resetShareContent() {
+    this._shareContent = {
+      title: '坦克大战 - 一起来战斗吧！',
+      imageUrl: '',
+      query: '',
+    };
+    console.log('[ShareManager] Share content reset to default');
+    this._refreshShareCallback();
+  }
+
+  /**
+   * Share a challenge to friends.
+   * Sets the share content and prompts the user to share via the menu.
+   * @param {number} level
+   * @param {number} score
+   */
+  shareChallenge(level, score) {
+    this.setShareContent({
+      title: `我在坦克大战第${level}关拿了${score}分！你能超过我吗？`,
+      imageUrl: '',
+      query: '',
+    });
+    try {
+      if (typeof wx !== 'undefined' && wx.showToast) {
+        wx.showToast({
+          title: '请点击右上角「···」分享给好友',
+          icon: 'none',
+          duration: 2500,
+        });
+      }
+    } catch (e) {
+      console.warn('[ShareManager] shareChallenge failed:', e);
+    }
+  }
+}
+
+module.exports = ShareManager;