#!/usr/bin/env python3
"""
Android 13 增强脚本
适用于 Android 13 系统性能优化和功能增强
"""

import os
import sys
import subprocess
import configparser
import time
import logging
from typing import Dict, List, Optional
import json
import shutil
from pathlib import Path

class Android13Enhancer:
    def __init__(self, config_file: str = "android13_enhance.ini"):
        self.config_file = config_file
        self.config = self.load_config()
        self.setup_logging()
        
        # 基础路径
        self.system_path = "/system"
        self.vendor_path = "/vendor"
        self.product_path = "/product"
        
    def load_config(self) -> configparser.ConfigParser:
        """加载配置文件"""
        config = configparser.ConfigParser()
        
        # 默认配置
        defaults = {
            'System': {
                'enable_performance_boost': 'true',
                'cpu_governor': 'performance',
                'gpu_boost': 'true',
                'memory_optimization': 'true',
                'io_scheduler': 'cfq'
            },
            'Battery': {
                'battery_optimization': 'true',
                'charging_optimization': 'true',
                'thermal_control': 'true',
                'power_save_mode': 'balanced'
            },
            'Network': {
                'network_optimization': 'true',
                'dns_optimization': 'true',
                'tcp_optimization': 'true',
                '5g_optimization': 'true'
            },
            'Display': {
                'refresh_rate_boost': 'true',
                'hdr_enhancement': 'true',
                'color_calibration': 'true',
                'brightness_optimization': 'true'
            },
            'Security': {
                'security_enhancement': 'true',
                'privacy_protection': 'true',
                'app_verification': 'true',
                'encryption_boost': 'true'
            },
            'Audio': {
                'audio_quality_boost': 'true',
                'spatial_audio': 'true',
                'equalizer_optimization': 'true',
                'volume_boost': 'false'
            },
            'Advanced': {
                'kernel_optimization': 'true',
                'dalvik_optimization': 'true',
                'zram_optimization': 'true',
                'debugging_disable': 'true'
            }
        }
        
        for section, options in defaults.items():
            if not config.has_section(section):
                config.add_section(section)
            for key, value in options.items():
                config.set(section, key, value)
        
        # 读取配置文件
        if os.path.exists(self.config_file):
            config.read(self.config_file)
        
        return config
    
    def setup_logging(self):
        """设置日志"""
        logging.basicConfig(
            level=logging.INFO,
            format='%(asctime)s - %(levelname)s - %(message)s',
            handlers=[
                logging.FileHandler('android13_enhance.log'),
                logging.StreamHandler(sys.stdout)
            ]
        )
        self.logger = logging.getLogger(__name__)
    
    def check_root(self) -> bool:
        """检查root权限"""
        try:
            result = subprocess.run(['su', '-c', 'id'], capture_output=True, text=True)
            return 'uid=0' in result.stdout
        except:
            return False
    
    def execute_command(self, command: str, root: bool = True) -> bool:
        """执行命令"""
        try:
            if root:
                command = f"su -c '{command}'"
            
            result = subprocess.run(command, shell=True, capture_output=True, text=True)
            if result.returncode == 0:
                self.logger.info(f"命令执行成功: {command}")
                return True
            else:
                self.logger.error(f"命令执行失败: {command} - {result.stderr}")
                return False
        except Exception as e:
            self.logger.error(f"命令执行异常: {command} - {e}")
            return False
    
    def backup_system_files(self) -> bool:
        """备份系统文件"""
        try:
            backup_dir = "/sdcard/Android13_Backup"
            os.makedirs(backup_dir, exist_ok=True)
            
            # 备份重要系统文件
            files_to_backup = [
                "/system/build.prop",
                "/system/etc/init",
                "/vendor/build.prop"
            ]
            
            for file_path in files_to_backup:
                if os.path.exists(file_path):
                    shutil.copy2(file_path, backup_dir)
            
            self.logger.info("系统文件备份完成")
            return True
        except Exception as e:
            self.logger.error(f"备份系统文件失败: {e}")
            return False
    
    def optimize_cpu_performance(self):
        """优化CPU性能"""
        if not self.config.getboolean('System', 'enable_performance_boost'):
            return
        
        self.logger.info("开始优化CPU性能...")
        
        # CPU调度器优化
        cpu_governor = self.config.get('System', 'cpu_governor')
        commands = [
            f"echo {cpu_governor} > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor",
            "echo 1 > /sys/devices/system/cpu/cpu1/online",
            "echo 1 > /sys/devices/system/cpu/cpu2/online",
            "echo 1 > /sys/devices/system/cpu/cpu3/online",
            # 启用所有CPU核心
            "for i in /sys/devices/system/cpu/cpu[0-9]*; do echo 1 > $i/online; done"
        ]
        
        for cmd in commands:
            self.execute_command(cmd)
    
    def optimize_gpu(self):
        """优化GPU性能"""
        if not self.config.getboolean('System', 'gpu_boost'):
            return
        
        self.logger.info("开始优化GPU性能...")
        
        commands = [
            # GPU频率优化
            "echo performance > /sys/class/kgsl/kgsl-3d0/devfreq/governor",
            # GPU功率优化
            "echo 1 > /sys/class/kgsl/kgsl-3d0/max_pwrlevel"
        ]
        
        for cmd in commands:
            self.execute_command(cmd)
    
    def optimize_memory(self):
        """优化内存管理"""
        if not self.config.getboolean('System', 'memory_optimization'):
            return
        
        self.logger.info("开始优化内存管理...")
        
        commands = [
            # 内存压力设置
            "echo 100 > /proc/sys/vm/swappiness",
            "echo 20 > /proc/sys/vm/vfs_cache_pressure",
            "echo 5 > /proc/sys/vm/dirty_ratio",
            "echo 20 > /proc/sys/vm/dirty_background_ratio",
            # ZRAM优化
            "echo lz4 > /sys/block/zram0/comp_algorithm",
            "echo 3 > /proc/sys/vm/page-cluster"
        ]
        
        for cmd in commands:
            self.execute_command(cmd)
    
    def optimize_io_scheduler(self):
        """优化IO调度器"""
        scheduler = self.config.get('System', 'io_scheduler')
        
        commands = [
            f"echo {scheduler} > /sys/block/sda/queue/scheduler",
            f"echo {scheduler} > /sys/block/mmcblk0/queue/scheduler",
            # 调整IO参数
            "echo 256 > /sys/block/sda/queue/read_ahead_kb",
            "echo 256 > /sys/block/mmcblk0/queue/read_ahead_kb"
        ]
        
        for cmd in commands:
            self.execute_command(cmd)
    
    def optimize_network(self):
        """优化网络设置"""
        if not self.config.getboolean('Network', 'network_optimization'):
            return
        
        self.logger.info("开始优化网络设置...")
        
        commands = [
            # TCP优化
            "echo '4096 87380 6291456' > /proc/sys/net/ipv4/tcp_rmem",
            "echo '4096 87380 6291456' > /proc/sys/net/ipv4/tcp_wmem",
            "echo 0 > /proc/sys/net/ipv4/tcp_timestamps",
            "echo 1 > /proc/sys/net/ipv4/tcp_window_scaling",
            "echo 1 > /proc/sys/net/ipv4/tcp_sack",
            # 5G优化
            "echo 1 > /proc/sys/net/ipv4/tcp_mtu_probing"
        ]
        
        for cmd in commands:
            self.execute_command(cmd)
    
    def optimize_battery(self):
        """优化电池设置"""
        if not self.config.getboolean('Battery', 'battery_optimization'):
            return
        
        self.logger.info("开始优化电池设置...")
        
        commands = [
            # 充电优化
            "echo 1 > /sys/class/power_supply/battery/input_suspend",
            # 热控制
            "echo 1 > /sys/class/thermal/thermal_zone0/mode"
        ]
        
        for cmd in commands:
            self.execute_command(cmd)
    
    def optimize_display(self):
        """优化显示设置"""
        if not self.config.getboolean('Display', 'refresh_rate_boost'):
            return
        
        self.logger.info("开始优化显示设置...")
        
        commands = [
            # 强制最高刷新率
            "settings put system peak_refresh_rate 120",
            "settings put system min_refresh_rate 120",
            # HDR优化
            "settings put system hdr_mode_force 1"
        ]
        
        for cmd in commands:
            self.execute_command(cmd, root=False)
    
    def enhance_security(self):
        """增强安全性"""
        if not self.config.getboolean('Security', 'security_enhancement'):
            return
        
        self.logger.info("开始增强安全性...")
        
        commands = [
            # SELinux强制模式
            "setenforce 1",
            # 应用验证增强
            "settings put global verifier_verify_adb_installs 1",
            "settings put global package_verifier_enable 1"
        ]
        
        for cmd in commands:
            self.execute_command(cmd)
    
    def optimize_audio(self):
        """优化音频设置"""
        if not self.config.getboolean('Audio', 'audio_quality_boost'):
            return
        
        self.logger.info("开始优化音频设置...")
        
        commands = [
            # 音频质量优化
            "setprop audio.offload.disable 0",
            "setprop audio.offload.buffer.size 32",
            "setprop audio.offload.gapless.enabled true"
        ]
        
        for cmd in commands:
            self.execute_command(cmd)
    
    def apply_build_prop_tweaks(self):
        """应用build.prop优化"""
        build_prop_path = "/system/build.prop"
        tweaks = [
            "# Android 13 性能优化",
            "persist.sys.ui.hw=true",
            "debug.performance.tuning=1",
            "video.accelerate.hw=1",
            "persist.sys.composition.type=gpu",
            "debug.egl.hw=1",
            "debug.sf.hw=1",
            "debug.overlayui.enable=1",
            "hw3d.force=1",
            "hw2d.force=1",
            "persist.sys.use_dithering=0",
            "persist.sys.purgeable_assets=1",
            "dalvik.vm.dexopt-flags=m=y",
            "net.tcp.buffersize.default=4096,87380,256960,4096,16384,256960",
            "net.tcp.buffersize.wifi=4096,87380,256960,4096,16384,256960",
            "net.tcp.buffersize.5g=4096,87380,256960,4096,16384,256960",
            "windowsmgr.max_events_per_sec=240"
        ]
        
        try:
            with open(build_prop_path, 'a') as f:
                for tweak in tweaks:
                    f.write(f"\n{tweak}")
            self.logger.info("build.prop优化应用成功")
        except Exception as e:
            self.logger.error(f"build.prop优化失败: {e}")
    
    def create_optimization_script(self):
        """创建优化脚本用于开机自启动"""
        script_content = '''#!/system/bin/sh
# Android 13 优化脚本

# 等待系统启动完成
while [ "$(getprop sys.boot_completed)" != "1" ]; do
    sleep 5
done

# 应用优化设置
echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
echo 1 > /sys/devices/system/cpu/cpu1/online
echo 1 > /sys/devices/system/cpu/cpu2/online
echo 1 > /sys/devices/system/cpu/cpu3/online

# 网络优化
echo '4096 87380 6291456' > /proc/sys/net/ipv4/tcp_rmem
echo '4096 87380 6291456' > /proc/sys/net/ipv4/tcp_wmem

exit 0
'''
        
        try:
            script_path = "/system/etc/init.d/99android13_optimize"
            with open(script_path, 'w') as f:
                f.write(script_content)
            os.chmod(script_path, 0o755)
            self.logger.info("优化脚本创建成功")
        except Exception as e:
            self.logger.error(f"创建优化脚本失败: {e}")
    
    def apply_all_optimizations(self):
        """应用所有优化"""
        if not self.check_root():
            self.logger.error("需要root权限才能执行优化！")
            return False
        
        self.logger.info("开始应用Android 13优化...")
        
        # 备份系统文件
        self.backup_system_files()
        
        # 应用各项优化
        optimizations = [
            self.optimize_cpu_performance,
            self.optimize_gpu,
            self.optimize_memory,
            self.optimize_io_scheduler,
            self.optimize_network,
            self.optimize_battery,
            self.optimize_display,
            self.enhance_security,
            self.optimize_audio,
            self.apply_build_prop_tweaks,
            self.create_optimization_script
        ]
        
        for optimization in optimizations:
            try:
                optimization()
                time.sleep(1)  # 短暂延迟避免系统过载
            except Exception as e:
                self.logger.error(f"优化执行失败: {e}")
                continue
        
        self.logger.info("Android 13优化完成！")
        return True
    
    def create_config_file(self):
        """创建配置文件"""
        with open(self.config_file, 'w') as f:
            self.config.write(f)
        self.logger.info(f"配置文件已创建: {self.config_file}")

def main():
    """主函数"""
    enhancer = Android13Enhancer()
    
    if len(sys.argv) > 1:
        if sys.argv[1] == "apply":
            enhancer.apply_all_optimizations()
        elif sys.argv[1] == "config":
            enhancer.create_config_file()
        elif sys.argv[1] == "backup":
            enhancer.backup_system_files()
    else:
        print("使用方法:")
        print("python android13_enhance.py apply  # 应用优化")
        print("python android13_enhance.py config # 创建配置文件")
        print("python android13_enhance.py backup  # 备份系统文件")

if __name__ == "__main__":
    main()
