#!/bin/bash
# 快速修复成绩提取失败问题

echo "========================================="
echo "成绩监控系统 - 故障诊断与修复工具"
echo "========================================="
echo ""

cd ~/grade_monitor || cd "$(dirname "$0")"

# 1. 检查 BeautifulSoup 安装
echo "1. 检查依赖库..."
if python3 -c "import bs4" 2>/dev/null; then
    echo "   ✓ BeautifulSoup4 已安装"
else
    echo "   ✗ BeautifulSoup4 未安装，正在安装..."
    pip3 install beautifulsoup4
fi

if python3 -c "import requests" 2>/dev/null; then
    echo "   ✓ requests 已安装"
else
    echo "   ✗ requests 未安装，正在安装..."
    pip3 install requests
fi

echo ""

# 2. 运行测试模式
echo "2. 运行诊断测试..."
echo "   执行: python3 monitor.py --test --debug"
echo "========================================="
python3 monitor.py --test --debug 2>&1 | tee test_output.log
echo "========================================="
echo ""

# 3. 检查输出
echo "3. 分析测试结果..."

if grep -q "找到成绩表格" test_output.log; then
    echo "   ✓ 成功找到成绩表格"
else
    echo "   ✗ 未找到成绩表格"
fi

if grep -q "共解析到.*门课程" test_output.log; then
    COURSE_COUNT=$(grep "共解析到.*门课程" test_output.log | tail -1 | grep -oP '\d+')
    if [ "$COURSE_COUNT" -gt 0 ]; then
        echo "   ✓ 成功解析 $COURSE_COUNT 门课程"
    else
        echo "   ✗ 解析到 0 门课程"
    fi
else
    echo "   ✗ 无法解析课程信息"
fi

if grep -q "检测到登录页面\|LOGIN_REQUIRED" test_output.log; then
    echo "   ⚠ 检测到登录失败，可能需要检查账号密码"
fi

echo ""

# 4. 检查调试文件
echo "4. 检查生成的调试文件..."
if [ -f "debug_page.html" ]; then
    echo "   ✓ 发现 debug_page.html"
    FILE_SIZE=$(stat -f%z "debug_page.html" 2>/dev/null || stat -c%s "debug_page.html" 2>/dev/null)
    echo "   文件大小: $FILE_SIZE 字节"
    
    if grep -qi "gridtable\|dataList" debug_page.html; then
        echo "   ✓ HTML 中包含成绩表格标签"
    else
        echo "   ✗ HTML 中未找到预期的表格标签"
        echo "   建议: 手动检查 debug_page.html 文件"
    fi
fi

if [ -f ".last_grade_content.txt" ]; then
    echo "   ✓ 发现 .last_grade_content.txt"
    LINES=$(wc -l < .last_grade_content.txt)
    echo "   内容行数: $LINES"
fi

echo ""

# 5. 提供建议
echo "5. 修复建议："
echo "========================================="

if ! python3 -c "import bs4" 2>/dev/null; then
    echo "❌ 缺少 beautifulsoup4 库"
    echo "   修复: pip3 install beautifulsoup4"
    echo ""
fi

if grep -q "共解析到 0 门课程" test_output.log; then
    echo "❌ 无法解析课程信息"
    echo "   可能原因："
    echo "   1. 登录失效 - 检查 config.ini 中的账号密码"
    echo "   2. 网页结构变化 - 查看 debug_page.html"
    echo "   3. 网络问题 - 检查是否能访问学校网站"
    echo "   4. 临时性问题 - 程序会自动重试"
    echo ""
    echo "   下一步："
    echo "   - 查看详细日志: cat test_output.log"
    echo "   - 查看HTML: cat debug_page.html | head -50"
    echo "   - 阅读排查指南: cat 故障排查指南.md"
    echo ""
fi

# 检查间歇性错误
if [ -f "monitor.log" ]; then
    FAILED_COUNT=$(grep -c "未找到成绩表格\|共解析到 0 门课程" monitor.log 2>/dev/null || echo "0")
    SUCCESS_COUNT=$(grep -c "共解析到 [1-9]" monitor.log 2>/dev/null || echo "0")
    
    if [ "$FAILED_COUNT" -gt 0 ] && [ "$SUCCESS_COUNT" -gt 0 ]; then
        FAILURE_RATE=$((FAILED_COUNT * 100 / (FAILED_COUNT + SUCCESS_COUNT)))
        echo "⚠️  检测到间歇性解析失败"
        echo "   成功次数: $SUCCESS_COUNT"
        echo "   失败次数: $FAILED_COUNT"
        echo "   失败率: ${FAILURE_RATE}%"
        echo ""
        if [ "$FAILURE_RATE" -lt 20 ]; then
            echo "   ✓ 失败率较低(<20%)，属于正常范围"
            echo "   原因: 网络波动或服务器临时问题"
            echo "   处理: 程序已自动重试，无需干预"
        else
            echo "   ✗ 失败率偏高(>20%)，需要检查"
            echo "   建议: 检查网络连接和登录状态"
        fi
        echo ""
    fi
fi

if grep -q "找到.*行成绩数据" test_output.log && grep -q "共解析到.*门课程" test_output.log; then
    COURSE_COUNT=$(grep "共解析到.*门课程" test_output.log | tail -1 | grep -oP '\d+')
    if [ "$COURSE_COUNT" -gt 0 ]; then
        echo "✅ 系统工作正常！"
        echo "   成功解析了 $COURSE_COUNT 门课程"
        echo ""
        echo "   如果服务未运行，启动服务："
        echo "   systemctl start grade-monitor"
        echo ""
        echo "   查看服务状态："
        echo "   systemctl status grade-monitor"
        echo ""
    fi
fi

echo "========================================="
echo ""
echo "测试日志已保存到: test_output.log"
echo "如需帮助，请查看: 故障排查指南.md"
echo ""