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SimpleBalancer

Balances API key and URL pairs usage

此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.cn-greasyfork.org/scripts/528703/1546610/SimpleBalancer.js 

  1. // ==UserScript==
  2. // @name         SimpleBalancer
  3. // @namespace    http://tampermonkey.net/
  4. // @version      0.1
  5. // @description  Balances API key and URL pairs usage
  6. // @author       RoCry
  7. // @grant        GM_setValue
  8. // @grant        GM_getValue
  9. // @license MIT
  10. // ==/UserScript==
  11.  
  12. class SimpleBalancer {
  13.   /**
  14.    * Balances API key and URL pairs usage
  15.    */
  16.   constructor() {
  17.     this.loadUsageData();
  18.   }
  19.  
  20.   loadUsageData() {
  21.     try {
  22.       // Use GM_getValue for Tampermonkey/Greasemonkey persistence
  23.       this.pairUsage = GM_getValue('simpleBalancerUsage', {});
  24.     } catch (error) {
  25.       console.error('Error loading balancer data:', error);
  26.       this.pairUsage = {};
  27.     }
  28.   }
  29.  
  30.   saveUsageData() {
  31.     try {
  32.       // Use GM_setValue for Tampermonkey/Greasemonkey persistence
  33.       GM_setValue('simpleBalancerUsage', this.pairUsage);
  34.     } catch (error) {
  35.       console.error('Error saving balancer data:', error);
  36.     }
  37.   }
  38.  
  39.   parseItems(items) {
  40.     return items.split(',').map(item => item.trim()).filter(item => item);
  41.   }
  42.  
  43.   createPairKey(key, url) {
  44.     return `${key}|||${url}`;
  45.   }
  46.  
  47.   parsePairKey(pairKey) {
  48.     const [key, url] = pairKey.split('|||');
  49.     return [key, url];
  50.   }
  51.  
  52.   /**
  53.    * Choose a key-URL pair based on usage balancing.
  54.    * Cases:
  55.    * 1. 1 key, 1 url -> single pair
  56.    * 2. 1 key, n urls -> key paired with each url
  57.    * 3. n keys, n urls -> matching pairs
  58.    * 4. n keys, 1 url -> each key paired with url
  59.    * 
  60.    * @param {string} keys - Comma-separated list of API keys
  61.    * @param {string} urls - Comma-separated list of URLs
  62.    * @returns {Array} - [key, url] pair that was selected
  63.    */
  64.   choosePair(keys, urls) {
  65.     const keyList = this.parseItems(keys);
  66.     const urlList = this.parseItems(urls);
  67.  
  68.     if (keyList.length === 0 || urlList.length === 0) {
  69.       throw new Error("Keys and URLs cannot be empty");
  70.     }
  71.  
  72.     // Generate valid pairs based on the cases
  73.     let pairs = [];
  74.  
  75.     if (urlList.length === 1) {
  76.       pairs = keyList.map(key => [key, urlList[0]]);
  77.     } else if (keyList.length === 1) {
  78.       pairs = urlList.map(url => [keyList[0], url]);
  79.     } else {
  80.       if (keyList.length !== urlList.length) {
  81.         throw new Error("When using multiple keys and URLs, their counts must match");
  82.       }
  83.       pairs = keyList.map((key, index) => [key, urlList[index]]);
  84.     }
  85.  
  86.     // Convert pairs to pairKeys and initialize usage count if needed
  87.     const pairKeys = pairs.map(([key, url]) => {
  88.       const pairKey = this.createPairKey(key, url);
  89.       if (!(pairKey in this.pairUsage)) {
  90.         this.pairUsage[pairKey] = 0;
  91.       }
  92.       return pairKey;
  93.     });
  94.  
  95.     // Find the minimum usage count
  96.     const minUsage = Math.min(...pairKeys.map(key => this.pairUsage[key]));
  97.  
  98.     // Find all pairs with minimum usage
  99.     const leastUsedPairKeys = pairKeys.filter(key => this.pairUsage[key] === minUsage);
  100.  
  101.     // Randomly select one of the least used pairs
  102.     const randomIndex = Math.floor(Math.random() * leastUsedPairKeys.length);
  103.     const chosenPairKey = leastUsedPairKeys[randomIndex];
  104.  
  105.     // Increment usage for the chosen pair
  106.     this.pairUsage[chosenPairKey]++;
  107.  
  108.     // Save updated usage data
  109.     this.saveUsageData();
  110.  
  111.     // Return the chosen pair
  112.     return this.parsePairKey(chosenPairKey);
  113.   }
  114.  
  115.   resetUsage() {
  116.     this.pairUsage = {};
  117.     this.saveUsageData();
  118.   }
  119.  
  120.   getUsageStats() {
  121.     const stats = {};
  122.     for (const pairKey in this.pairUsage) {
  123.       const [key, url] = this.parsePairKey(pairKey);
  124.       stats[`${key}, ${url}`] = this.pairUsage[pairKey];
  125.     }
  126.     return stats;
  127.   }
  128. }
  129.  
  130. // Make it available globally for other scripts to use
  131. if (typeof module !== 'undefined') {
  132.   module.exports = SimpleBalancer;
  133. } else {
  134.   window.SimpleBalancer = SimpleBalancer;
  135. }