// 文档地址 https://docs.hamibot.com/
function selectMaxBuyCount() {
  try {
    log(`📦 自动识别最大可购数量...`);
    let stockElem = textMatches(/库存|剩余|共|现货|可售|限购|每人限/).findOne(2000);
    let maxCount = 1;
    if (stockElem) {
      let stockText = stockElem.text();
      maxCount = parseInt(stockText.match(/\d+/)[0]) || 1;
    }
    const customMax = 5;
    maxCount = Math.min(maxCount, customMax);
    log(`✅ 最大可购：${maxCount}件`);
    
    let countArea = textMatches(/^\d+$/).findOne(1500) 
                  || textContains("件").findOne(1500) 
                  || descMatches(/数量|购买数量/).findOne(1500);
    if (!countArea) {
      log(`⚠️  无数量选择区，默认1件`);
      return;
    }
    countArea.click();
    sleep(600);
    
    let addBtn = text("+").findOne(1200) 
               || desc("增加|加").findOne(1200) 
               || className("android.widget.ImageView").descMatches(/数量加/).findOne(1200);
    if (!addBtn) {
      log(`⚠️  无加号按钮，默认当前数量`);
      return;
    }
    
    let currentCount = 1;
    while (currentCount < maxCount) {
      addBtn.click();
      currentCount++;
      sleep(300 + Math.random() * 100); // CONFIG.clickDelay is not defined, using default value
      let checkNum = textMatches(/^\d+$/).findOne(300);
      if (checkNum && parseInt(checkNum.text()) === currentCount - 1) {
        log(`✅ 已达最大数量`);
        break;
      }
    }
    log(`✅ 已选：${currentCount}件`);
  } catch (e) {
    log(`⚠️  数量选择异常，默认1件`);
  }
}

// 调用函数示例
auto.waitFor(); // 确保无障碍服务已启用
selectMaxBuyCount();