#!/bin/bash

# VR性能测试启动脚本
# 使用方法: ./run_vr_test.sh

echo "🚀 VR性能测试启动脚本"
echo "======================"

# 检查是否在正确的目录
if [ ! -f "vr_performance_test.py" ]; then
    echo "❌ 错误：找不到vr_performance_test.py文件"
    echo "请在EG项目根目录运行此脚本"
    exit 1
fi

# 检查Python是否可用
if ! command -v python3 &> /dev/null; then
    if ! command -v python &> /dev/null; then
        echo "❌ 错误：找不到Python解释器"
        exit 1
    else
        PYTHON_CMD="python"
    fi
else
    PYTHON_CMD="python3"
fi

echo "✓ 使用Python解释器: $PYTHON_CMD"

# 检查核心模块是否存在
if [ ! -d "core" ]; then
    echo "❌ 错误：找不到core目录"
    echo "请确保在EG项目根目录中运行"
    exit 1
fi

if [ ! -f "core/vr_manager.py" ]; then
    echo "❌ 错误：找不到core/vr_manager.py文件"
    echo "VR管理器模块不存在"
    exit 1
fi

echo "✓ 核心模块检查通过"

# 检查VR相关依赖
echo "🔍 检查VR依赖..."

$PYTHON_CMD -c "import openvr" 2>/dev/null
if [ $? -eq 0 ]; then
    echo "✓ OpenVR Python绑定可用"
else
    echo "⚠️ 警告：OpenVR Python绑定不可用"
    echo "   如果需要VR功能，请安装: pip install openvr"
fi

$PYTHON_CMD -c "from panda3d.core import Vec3" 2>/dev/null
if [ $? -eq 0 ]; then
    echo "✓ Panda3D可用"
else
    echo "❌ 错误：Panda3D不可用"
    echo "请安装Panda3D: pip install panda3d"
    exit 1
fi

# 检查可选的性能监控依赖
echo "🔍 检查性能监控依赖..."

$PYTHON_CMD -c "import psutil" 2>/dev/null
if [ $? -eq 0 ]; then
    echo "✓ psutil可用（CPU/内存监控）"
else
    echo "⚠️ 建议安装psutil以获得完整性能监控: pip install psutil"
fi

$PYTHON_CMD -c "import GPUtil" 2>/dev/null
if [ $? -eq 0 ]; then
    echo "✓ GPUtil可用（GPU监控）"
else
    echo "⚠️ 建议安装GPUtil以获得GPU监控: pip install GPUtil"
fi

echo ""
echo "🎮 启动前检查清单："
echo "□ VR头显已连接并开机"
echo "□ SteamVR正在运行"
echo "□ VR头显已完成初始设置"
echo "□ VR跟踪系统正常工作"
echo ""

# 询问用户是否继续
echo "是否继续启动VR性能测试？"
echo "按Enter继续，或按Ctrl+C取消..."
read -r

echo ""
echo "🚀 正在启动VR性能测试..."
echo "控制说明："
echo "  ESC - 退出测试"
echo "  1-9 - 设置场景复杂度"
echo "  R   - 重置性能计数器"
echo "  P   - 手动输出性能报告"
echo "  D   - 切换调试模式"
echo "VR分辨率控制："
echo "  Q   - 切换质量预设 (性能/平衡/质量)"
echo "  [   - 降低分辨率缩放"
echo "  ]   - 提高分辨率缩放"
echo "  I   - 显示分辨率信息"
echo ""

# 启动测试
$PYTHON_CMD vr_performance_test.py

# 检查退出状态
if [ $? -eq 0 ]; then
    echo ""
    echo "✅ VR性能测试正常结束"
else
    echo ""
    echo "❌ VR性能测试异常退出（错误代码：$?）"
fi

echo "📋 检查当前目录中的CSV文件获取详细性能数据"
echo "📖 查看VR_PERFORMANCE_TEST_README.md获取详细使用说明"