#!/bin/bash

# 鲸鱼镇 Web版本导出工具 (Linux/macOS)
# 版本: 1.0.0

# 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

# 配置变量 - 请根据实际情况修改
PROJECT_NAME="whaleTown"
BUILD_DIR="build/web"
GODOT_PATH="/usr/local/bin/godot"  # macOS Homebrew默认路径
# GODOT_PATH="/usr/bin/godot"      # Linux包管理器默认路径
# GODOT_PATH="$HOME/Applications/Godot.app/Contents/MacOS/Godot"  # macOS应用程序路径
EXPORT_PRESET="Web"
VERSION="1.0.0"

echo "========================================"
echo "     鲸鱼镇 Web版本导出工具 v1.0"
echo "========================================"
echo

# 检查Godot是否存在
echo -e "${BLUE}[检查]${NC} 验证Godot安装..."
if [ ! -f "$GODOT_PATH" ]; then
    echo -e "${RED}[错误]${NC} 未找到Godot: $GODOT_PATH"
    echo
    echo "请修改脚本中的GODOT_PATH变量或安装Godot 4.5+"
    echo "安装方法:"
    echo "  macOS: brew install godot"
    echo "  Ubuntu: sudo apt install godot3"
    echo "  或从官网下载: https://godotengine.org/download"
    echo
    exit 1
fi

# 检查项目文件
echo -e "${BLUE}[检查]${NC} 验证项目文件..."
if [ ! -f "project.godot" ]; then
    echo -e "${RED}[错误]${NC} 未找到project.godot文件！"
    echo "请在项目根目录运行此脚本"
    echo
    exit 1
fi

# 显示项目信息
echo -e "${GREEN}[信息]${NC} 项目信息:"
echo "  项目名称: $PROJECT_NAME"
echo "  版本号: $VERSION"
echo "  Godot路径: $GODOT_PATH"
echo "  导出预设: $EXPORT_PRESET"
echo "  输出目录: $BUILD_DIR"
echo

# 创建构建目录结构
echo -e "${BLUE}[构建]${NC} 准备构建环境..."
mkdir -p "$BUILD_DIR"
mkdir -p "scripts"

# 备份旧版本（如果存在）
if [ -f "$BUILD_DIR/index.html" ]; then
    echo -e "${YELLOW}[备份]${NC} 备份旧版本..."
    BACKUP_DIR="build/backup/$(date +%Y%m%d_%H%M%S)"
    mkdir -p "$BACKUP_DIR"
    cp -r "$BUILD_DIR"/* "$BACKUP_DIR/" 2>/dev/null
    echo "  备份位置: $BACKUP_DIR/"
fi

# 清理旧文件
echo -e "${BLUE}[清理]${NC} 清理旧的导出文件..."
rm -f "$BUILD_DIR"/*

# 检查导出预设
echo -e "${BLUE}[验证]${NC} 检查导出预设..."
"$GODOT_PATH" --headless --export-debug "$EXPORT_PRESET" --check-only >/dev/null 2>&1
if [ $? -ne 0 ]; then
    echo -e "${RED}[错误]${NC} 导出预设 \"$EXPORT_PRESET\" 不存在或配置错误！"
    echo "请在Godot编辑器中创建Web导出预设"
    echo
    exit 1
fi

# 导出项目
echo -e "${GREEN}[导出]${NC} 开始导出Web版本..."
echo "  目标文件: $BUILD_DIR/index.html"
echo "  请稍候..."
echo

"$GODOT_PATH" --headless --export-release "$EXPORT_PRESET" "$BUILD_DIR/index.html"

if [ $? -ne 0 ]; then
    echo -e "${RED}[失败]${NC} 导出失败！"
    echo
    echo "可能的原因:"
    echo "1. 导出模板未安装"
    echo "2. 项目配置错误"
    echo "3. 资源文件损坏"
    echo
    exit 1
fi

# 验证导出文件
echo -e "${BLUE}[验证]${NC} 验证导出文件..."
REQUIRED_FILES="index.html index.js index.wasm index.pck"
MISSING_FILES=""

for file in $REQUIRED_FILES; do
    if [ ! -f "$BUILD_DIR/$file" ]; then
        MISSING_FILES="$MISSING_FILES $file"
    fi
done

if [ -n "$MISSING_FILES" ]; then
    echo -e "${RED}[错误]${NC} 缺少必要文件:$MISSING_FILES"
    echo "导出可能不完整，请检查Godot配置"
    echo
    exit 1
fi

# 复制额外资源
echo -e "${BLUE}[复制]${NC} 复制额外资源..."
[ -f "assets/web/favicon.ico" ] && cp "assets/web/favicon.ico" "$BUILD_DIR/"
[ -f "assets/web/manifest.json" ] && cp "assets/web/manifest.json" "$BUILD_DIR/"
[ -f "assets/web/service-worker.js" ] && cp "assets/web/service-worker.js" "$BUILD_DIR/"
[ -f "assets/web/custom_shell.html" ] && cp "assets/web/custom_shell.html" "$BUILD_DIR/"

# 生成部署信息
echo -e "${BLUE}[生成]${NC} 生成部署信息..."
cat > "$BUILD_DIR/deploy_info.json" << EOF
{
  "project": "$PROJECT_NAME",
  "version": "$VERSION",
  "build_time": "$(date)",
  "platform": "web",
  "godot_version": "4.5",
  "export_preset": "$EXPORT_PRESET",
  "build_machine": "$(hostname)",
  "build_user": "$(whoami)",
  "build_os": "$(uname -s)"
}
EOF

# 生成.htaccess文件
echo -e "${BLUE}[配置]${NC} 生成Apache配置文件..."
cat > "$BUILD_DIR/.htaccess" << 'EOF'
# 鲸鱼镇 Web版本 Apache配置
# 自动生成

# MIME类型配置
AddType application/wasm .wasm
AddType application/octet-stream .pck
AddType application/javascript .js

# 启用压缩
<IfModule mod_deflate.c>
    AddOutputFilterByType DEFLATE text/html text/css application/javascript application/wasm
    AddOutputFilterByType DEFLATE application/json application/xml
</IfModule>

# 缓存控制
<IfModule mod_expires.c>
    ExpiresActive On
    ExpiresByType application/wasm "access plus 1 month"
    ExpiresByType application/octet-stream "access plus 1 month"
    ExpiresByType application/javascript "access plus 1 week"
    ExpiresByType text/html "access plus 1 hour"
</IfModule>

# CORS配置
<IfModule mod_headers.c>
    Header set Access-Control-Allow-Origin "*"
    Header set Access-Control-Allow-Methods "GET, POST, PUT, DELETE, OPTIONS"
    Header set Access-Control-Allow-Headers "Content-Type, Authorization"
    Header set Cross-Origin-Embedder-Policy "require-corp"
    Header set Cross-Origin-Opener-Policy "same-origin"
</IfModule>
EOF

# 计算文件大小
echo -e "${BLUE}[统计]${NC} 计算文件大小..."
TOTAL_SIZE=$(du -sb "$BUILD_DIR" | cut -f1)
TOTAL_MB=$((TOTAL_SIZE / 1024 / 1024))

# 显示构建结果
echo
echo "========================================"
echo -e "${GREEN}          导出成功！${NC}"
echo "========================================"
echo
echo -e "${GREEN}[完成]${NC} 构建统计:"
echo "  导出位置: $BUILD_DIR/"
echo "  总文件大小: ${TOTAL_MB} MB"
echo "  构建时间: $(date)"
echo

echo -e "${BLUE}[文件]${NC} 导出文件列表:"
for file in "$BUILD_DIR"/*; do
    if [ -f "$file" ]; then
        filename=$(basename "$file")
        size=$(stat -f%z "$file" 2>/dev/null || stat -c%s "$file" 2>/dev/null)
        size_mb=$((size / 1024 / 1024))
        if [ $size_mb -gt 0 ]; then
            echo "  $filename: ${size_mb} MB"
        else
            size_kb=$((size / 1024))
            echo "  $filename: ${size_kb} KB"
        fi
    fi
done

echo
echo -e "${YELLOW}[下一步]${NC} 部署选项:"
echo "  1. 本地测试: ./scripts/serve_web.sh"
echo "  2. 上传到服务器: 将 $BUILD_DIR/ 目录上传"
echo "  3. 查看文档: docs/web_deployment_guide.md"
echo

echo -e "${GREEN}[提示]${NC} 部署前请确保:"
echo "  - 服务器支持WASM MIME类型"
echo "  - 配置了正确的CORS头"
echo "  - 启用了文件压缩"
echo

# 询问是否启动本地服务器
echo -n "是否启动本地测试服务器？(y/N): "
read -r START_SERVER
if [[ $START_SERVER =~ ^[Yy]$ ]]; then
    echo
    echo -e "${GREEN}[启动]${NC} 启动本地服务器..."
    ./scripts/serve_web.sh
else
    echo
    echo "构建完成！可以手动运行 ./scripts/serve_web.sh 进行测试"
fi