#!/bin/bash
# ==============================================
# CursorPro - macOS 机器码重置脚本
# 一次授权，永久免密
# 纯 Shell 实现，不依赖 Python
# ==============================================

# 颜色定义
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m' # No Color

# 路径定义
CURSOR_APP="/Applications/Cursor.app"
CURSOR_OUT="$CURSOR_APP/Contents/Resources/app/out"
MAIN_JS="$CURSOR_OUT/main.js"
UUID_PLIST="/Library/Preferences/SystemConfiguration/com.apple.platform.uuid.plist"

# 用户数据路径
USER_HOME="$HOME"
CURSOR_DATA="$USER_HOME/Library/Application Support/Cursor"
STORAGE_JSON="$CURSOR_DATA/User/globalStorage/storage.json"
STATE_VSCDB="$CURSOR_DATA/User/globalStorage/state.vscdb"
MACHINEID_FILE="$CURSOR_DATA/machineid"

# 备份目录
BACKUP_DIR="$USER_HOME/CursorPro_backups"

echo ""
echo -e "${BLUE}======================================${NC}"
echo -e "${BLUE}  CursorPro macOS 机器码重置工具${NC}"
echo -e "${BLUE}======================================${NC}"
echo ""

# 检查 Cursor 是否安装
if [ ! -d "$CURSOR_APP" ]; then
    echo -e "${RED}错误: 未找到 Cursor 应用${NC}"
    echo "请确保 Cursor 安装在 /Applications/Cursor.app"
    exit 1
fi

# 创建备份目录
mkdir -p "$BACKUP_DIR" 2>/dev/null

# ============================================
# 第一步：检测并设置权限（一次性）
# ============================================
echo -e "${YELLOW}[步骤 1/7] 检查权限...${NC}"

NEED_SUDO=false

# 检查 main.js 权限
if [ ! -w "$MAIN_JS" ] 2>/dev/null; then
    NEED_SUDO=true
    echo "  - main.js: 需要授权"
else
    echo -e "  - main.js: ${GREEN}已有权限${NC}"
fi

# 检查 UUID plist 权限（文件可能不存在）
if [ -f "$UUID_PLIST" ]; then
    if [ ! -w "$UUID_PLIST" ] 2>/dev/null; then
        NEED_SUDO=true
        echo "  - UUID plist: 需要授权"
    else
        echo -e "  - UUID plist: ${GREEN}已有权限${NC}"
    fi
else
    echo -e "  - UUID plist: ${YELLOW}文件不存在，跳过${NC}"
fi

# 如果需要授权
if [ "$NEED_SUDO" = true ]; then
    echo ""
    echo -e "${YELLOW}首次运行，需要管理员权限${NC}"
    echo -e "${YELLOW}授权后以后重置不再需要输入密码${NC}"
    echo ""
    
    # 请求 sudo 权限
    sudo -v || { echo -e "${RED}授权失败${NC}"; exit 1; }
    
    # 修改 Cursor 目录权限
    if [ ! -w "$MAIN_JS" ] 2>/dev/null; then
        echo "  正在修改 Cursor 目录权限..."
        sudo chown -R $(whoami) "$CURSOR_OUT" 2>/dev/null || true
        sudo chmod -R u+rw "$CURSOR_OUT" 2>/dev/null || true
        echo -e "  ${GREEN}✓ Cursor 目录权限已修改${NC}"
    fi
    
    # 修改 UUID plist 权限（如果文件存在）
    if [ -f "$UUID_PLIST" ] && [ ! -w "$UUID_PLIST" ] 2>/dev/null; then
        echo "  正在修改 UUID plist 权限..."
        sudo chown $(whoami) "$UUID_PLIST" 2>/dev/null || true
        echo -e "  ${GREEN}✓ UUID plist 权限已修改${NC}"
    fi
    
    echo ""
    echo -e "${GREEN}✓ 权限设置完成！以后重置不再需要密码${NC}"
fi

echo ""

# ============================================
# 第二步：关闭 Cursor
# ============================================
echo -e "${YELLOW}[步骤 2/7] 关闭 Cursor...${NC}"

if pgrep -x "Cursor" > /dev/null; then
    killall Cursor 2>/dev/null || true
    echo "  等待 Cursor 完全退出..."
    sleep 3
    echo -e "  ${GREEN}✓ Cursor 已关闭${NC}"
else
    echo -e "  ${GREEN}✓ Cursor 未运行${NC}"
fi

echo ""

# ============================================
# 第三步：Patch main.js
# ============================================
echo -e "${YELLOW}[步骤 3/7] Patch main.js...${NC}"

if [ ! -f "$MAIN_JS" ]; then
    echo -e "  ${RED}警告: 未找到 main.js${NC}"
else
    # 检查是否已经 patch 过
    if grep -q 'uuidgen' "$MAIN_JS" 2>/dev/null; then
        echo -e "  ${GREEN}✓ main.js 已经 Patch 过，跳过${NC}"
    else
        # 检查目标字符串
        if grep -q 'ioreg -rd1 -c IOPlatformExpertDevice' "$MAIN_JS"; then
            # 备份到用户目录
            BACKUP_FILE="$BACKUP_DIR/main.js.backup_$(date +%s)"
            cp "$MAIN_JS" "$BACKUP_FILE" 2>/dev/null
            if [ $? -eq 0 ]; then
                echo "  备份已创建: $BACKUP_FILE"
            fi
            
            # 使用 perl 替换（macOS 自带，比 sed 更可靠处理特殊字符）
            perl -i -pe 's/ioreg -rd1 -c IOPlatformExpertDevice/UUID=\$(uuidgen | tr '"'"'[:upper:]'"'"' '"'"'[:lower:]'"'"');echo "IOPlatformUUID = "\$UUID";/g' "$MAIN_JS" 2>/dev/null
            
            if [ $? -eq 0 ]; then
                echo -e "  ${GREEN}✓ main.js Patch 成功${NC}"
            else
                echo -e "  ${RED}✗ main.js Patch 失败${NC}"
            fi
        else
            echo -e "  ${YELLOW}警告: 未找到目标字符串，可能已 patch 或版本不兼容${NC}"
        fi
    fi
fi

echo ""

# ============================================
# 第四步：重置系统 UUID
# ============================================
echo -e "${YELLOW}[步骤 4/7] 重置系统 UUID...${NC}"

if [ ! -f "$UUID_PLIST" ]; then
    echo -e "  ${YELLOW}提示: UUID plist 文件不存在，跳过${NC}"
else
    NEW_SYS_UUID=$(uuidgen | tr '[:upper:]' '[:lower:]')
    /usr/libexec/PlistBuddy -c "Set :IOPlatformUUID $NEW_SYS_UUID" "$UUID_PLIST" 2>/dev/null || \
    /usr/libexec/PlistBuddy -c "Add :IOPlatformUUID string $NEW_SYS_UUID" "$UUID_PLIST" 2>/dev/null || true
    echo -e "  ${GREEN}✓ 系统 UUID 已重置: $NEW_SYS_UUID${NC}"
fi

echo ""

# ============================================
# 第五步：重置 storage.json
# ============================================
echo -e "${YELLOW}[步骤 5/7] 重置 storage.json...${NC}"

# 生成新的机器码（64位十六进制）
NEW_MACHINE_ID=$(uuidgen | tr -d '-' | tr '[:upper:]' '[:lower:]')$(uuidgen | tr -d '-' | tr '[:upper:]' '[:lower:]')
NEW_MAC_MACHINE_ID=$(uuidgen | tr -d '-' | tr '[:upper:]' '[:lower:]')$(uuidgen | tr -d '-' | tr '[:upper:]' '[:lower:]')
NEW_DEV_DEVICE_ID=$(uuidgen | tr '[:upper:]' '[:lower:]')
NEW_SQM_ID="{$(uuidgen | tr '[:lower:]' '[:upper:]')}"

if [ -f "$STORAGE_JSON" ]; then
    # 备份
    cp "$STORAGE_JSON" "$BACKUP_DIR/storage.json.backup_$(date +%s)" 2>/dev/null
    
    # 使用 sed 替换 JSON 中的值（macOS sed 语法）
    # machineId
    sed -i '' "s/\"telemetry\.machineId\"[[:space:]]*:[[:space:]]*\"[^\"]*\"/\"telemetry.machineId\": \"$NEW_MACHINE_ID\"/g" "$STORAGE_JSON" 2>/dev/null
    
    # macMachineId
    sed -i '' "s/\"telemetry\.macMachineId\"[[:space:]]*:[[:space:]]*\"[^\"]*\"/\"telemetry.macMachineId\": \"$NEW_MAC_MACHINE_ID\"/g" "$STORAGE_JSON" 2>/dev/null
    
    # devDeviceId
    sed -i '' "s/\"telemetry\.devDeviceId\"[[:space:]]*:[[:space:]]*\"[^\"]*\"/\"telemetry.devDeviceId\": \"$NEW_DEV_DEVICE_ID\"/g" "$STORAGE_JSON" 2>/dev/null
    
    # sqmId
    sed -i '' "s/\"telemetry\.sqmId\"[[:space:]]*:[[:space:]]*\"[^\"]*\"/\"telemetry.sqmId\": \"$NEW_SQM_ID\"/g" "$STORAGE_JSON" 2>/dev/null
    
    echo -e "  ${GREEN}✓ storage.json 已更新 (4个ID)${NC}"
else
    echo -e "  ${YELLOW}警告: 未找到 storage.json${NC}"
fi

echo ""

# ============================================
# 第六步：重置 SQLite 数据库
# ============================================
echo -e "${YELLOW}[步骤 6/7] 重置 SQLite 数据库...${NC}"

NEW_SERVICE_MACHINE_ID=$(uuidgen | tr '[:upper:]' '[:lower:]')

if [ -f "$STATE_VSCDB" ]; then
    # 备份
    cp "$STATE_VSCDB" "$BACKUP_DIR/state.vscdb.backup_$(date +%s)" 2>/dev/null
    
    # 使用 sqlite3 命令（macOS 自带）
    sqlite3 "$STATE_VSCDB" "UPDATE ItemTable SET value = '$NEW_SERVICE_MACHINE_ID' WHERE key = 'storage.serviceMachineId';" 2>/dev/null
    
    if [ $? -eq 0 ]; then
        echo -e "  ${GREEN}✓ state.vscdb 已更新 (serviceMachineId)${NC}"
    else
        # 如果更新失败，尝试插入
        sqlite3 "$STATE_VSCDB" "INSERT OR REPLACE INTO ItemTable (key, value) VALUES ('storage.serviceMachineId', '$NEW_SERVICE_MACHINE_ID');" 2>/dev/null
        echo -e "  ${GREEN}✓ state.vscdb 已更新${NC}"
    fi
else
    echo -e "  ${YELLOW}警告: 未找到 state.vscdb${NC}"
fi

# 更新 machineid 文件
echo ""
if [ -d "$(dirname "$MACHINEID_FILE")" ]; then
    echo "${NEW_MACHINE_ID:0:64}" > "$MACHINEID_FILE"
    echo -e "  ${GREEN}✓ machineid 文件已更新${NC}"
else
    echo -e "  ${YELLOW}警告: 未找到 machineid 目录${NC}"
fi

# 清理缓存
rm -rf "$CURSOR_DATA/Cache" 2>/dev/null || true
rm -rf "$CURSOR_DATA/CachedData" 2>/dev/null || true
rm -rf "$CURSOR_DATA/GPUCache" 2>/dev/null || true
echo -e "  ${GREEN}✓ 缓存已清理${NC}"

echo ""

# ============================================
# 第七步：重新打开 Cursor
# ============================================
echo -e "${YELLOW}[步骤 7/7] 重新打开 Cursor...${NC}"

sleep 1
open "$CURSOR_APP"
echo -e "  ${GREEN}✓ Cursor 已启动${NC}"

echo ""
echo -e "${GREEN}======================================${NC}"
echo -e "${GREEN}  ✅ 机器码重置完成！${NC}"
echo -e "${GREEN}======================================${NC}"
echo ""
echo "已重置的内容:"
echo "  ✓ main.js (ioreg patch)"
echo "  ✓ storage.json (4个ID)"
echo "  ✓ state.vscdb (serviceMachineId)"
echo "  ✓ machineid 文件"
echo "  ✓ 缓存已清理"
echo ""
echo "新机器码信息:"
echo "  machineId:         ${NEW_MACHINE_ID:0:32}..."
echo "  devDeviceId:       $NEW_DEV_DEVICE_ID"
echo "  serviceMachineId:  $NEW_SERVICE_MACHINE_ID"
echo ""
echo "备份位置: $BACKUP_DIR"
echo ""
echo -e "${BLUE}此窗口可以关闭${NC}"
echo ""