#!/bin/bash
# ========================================
# Nginx配置修复脚本 - 解决uploads路径404问题
# ========================================

echo "========================================"
echo "🔧 开始修复Nginx配置"
echo "========================================"

# 1. 备份当前配置
echo "📦 备份当前配置..."
cp /www/server/panel/vhost/nginx/px.ddn-ai.cloud.conf \
   /www/server/panel/vhost/nginx/px.ddn-ai.cloud.conf.backup.$(date +%Y%m%d_%H%M%S)

# 2. 检查是否有重复的location /uploads/
echo ""
echo "🔍 检查重复的location块..."
DUPLICATE_COUNT=$(grep -c "location /uploads/" /www/server/panel/vhost/nginx/px.ddn-ai.cloud.conf)
echo "找到 $DUPLICATE_COUNT 个 'location /uploads/' 块"

if [ $DUPLICATE_COUNT -gt 1 ]; then
    echo "⚠️  发现重复配置，需要修复"
fi

# 3. 检查Image目录
echo ""
echo "📁 检查Image目录..."
if [ -d "/www/wwwroot/px.ddn-ai.cloud/Image" ]; then
    echo "✅ Image目录存在"
    ls -lh /www/wwwroot/px.ddn-ai.cloud/Image/ | head -5
else
    echo "❌ Image目录不存在"
    exit 1
fi

# 4. 检查目录权限
echo ""
echo "🔐 检查目录权限..."
ls -ld /www/wwwroot/px.ddn-ai.cloud/Image/
PERM=$(stat -c %a /www/wwwroot/px.ddn-ai.cloud/Image/)
if [ "$PERM" != "755" ]; then
    echo "⚠️  权限不正确，正在修复..."
    chmod 755 /www/wwwroot/px.ddn-ai.cloud/Image/
    echo "✅ 权限已修复为755"
fi

# 5. 检查文件权限
echo ""
echo "🔐 检查文件权限..."
FILE_COUNT=$(find /www/wwwroot/px.ddn-ai.cloud/Image/ -type f | wc -l)
echo "找到 $FILE_COUNT 个文件"
if [ $FILE_COUNT -gt 0 ]; then
    FIRST_FILE=$(find /www/wwwroot/px.ddn-ai.cloud/Image/ -type f | head -1)
    ls -l "$FIRST_FILE"
    FILE_PERM=$(stat -c %a "$FIRST_FILE")
    if [ "$FILE_PERM" != "644" ]; then
        echo "⚠️  文件权限不正确，正在修复..."
        find /www/wwwroot/px.ddn-ai.cloud/Image/ -type f -exec chmod 644 {} \;
        echo "✅ 文件权限已修复为644"
    fi
fi

# 6. 显示当前Nginx配置中的uploads部分
echo ""
echo "========================================"
echo "📄 当前Nginx配置中的uploads部分："
echo "========================================"
grep -A 5 "location /uploads/" /www/server/panel/vhost/nginx/px.ddn-ai.cloud.conf

# 7. 测试Nginx配置
echo ""
echo "========================================"
echo "🧪 测试Nginx配置..."
echo "========================================"
nginx -t

if [ $? -eq 0 ]; then
    echo ""
    echo "✅ Nginx配置测试通过"
    echo ""
    echo "是否重载Nginx配置？(y/n)"
    read -r RELOAD
    if [ "$RELOAD" = "y" ]; then
        nginx -s reload
        echo "✅ Nginx已重载"
    fi
else
    echo ""
    echo "❌ Nginx配置测试失败"
    echo "请手动检查配置文件"
fi

# 8. 测试文件访问
echo ""
echo "========================================"
echo "🧪 测试文件访问..."
echo "========================================"
if [ $FILE_COUNT -gt 0 ]; then
    TEST_FILE=$(find /www/wwwroot/px.ddn-ai.cloud/Image/ -type f -name "*.jpg" -o -name "*.jpeg" -o -name "*.png" | head -1)
    if [ -n "$TEST_FILE" ]; then
        FILENAME=$(basename "$TEST_FILE")
        echo "测试文件: $FILENAME"
        echo ""
        echo "本地访问测试:"
        curl -I "http://localhost/uploads/$FILENAME" 2>&1 | head -10
        echo ""
        echo "外部访问测试:"
        curl -I "https://px.ddn-ai.cloud/uploads/$FILENAME" 2>&1 | head -10
    fi
fi

echo ""
echo "========================================"
echo "✅ 诊断完成"
echo "========================================"