#!/bin/bash
# ============================================
# 文件管理系统 - Linux 部署脚本
# ============================================

set -e

DEPLOY_DIR="./deploy"
SERVER_DIR="$DEPLOY_DIR/server"
FRONTEND_DIR="$DEPLOY_DIR/frontend"

echo "============================================"
echo "  文件管理系统 - Linux 部署"
echo "============================================"

# 清理旧部署
[ -d "$DEPLOY_DIR" ] && rm -rf "$DEPLOY_DIR"

# 创建目录
echo "[1/6] 创建目录结构..."
mkdir -p "$SERVER_DIR/data/storage"
mkdir -p "$FRONTEND_DIR"

# 编译后端
echo "[2/6] 编译后端..."
export GOPROXY=https://goproxy.cn,direct
go build -o "$SERVER_DIR/server" main.go

# 复制后端文件
echo "[3/6] 复制后端文件..."
cp config.yaml "$SERVER_DIR/"
cp config.yaml "$SERVER_DIR/config.yaml.example"
cp -r sql "$SERVER_DIR/"

# 构建前端
echo "[4/6] 构建前端..."
cd ../web && npm run build && cd ../server
cp -r ../web/dist/* "$FRONTEND_DIR/"

# 生成启动脚本
echo "[5/6] 生成启动脚本..."

cat > "$DEPLOY_DIR/start.sh" << 'EOF'
#!/bin/bash
cd "$(dirname "$0")/server"
echo "启动后端服务..."
./server
EOF
chmod +x "$DEPLOY_DIR/start.sh"

cat > "$DEPLOY_DIR/init-db.sh" << 'EOF'
#!/bin/bash
cd "$(dirname "$0")/server"
read -sp "请输入MySQL root密码: " MYSQL_PWD
echo ""
echo "创建数据库..."
mysql -u root -p"$MYSQL_PWD" -e "CREATE DATABASE IF NOT EXISTS seeyon_fs DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;"
echo "导入表结构..."
mysql -u root -p"$MYSQL_PWD" seeyon_fs < sql/init.sql
echo "初始化完成!"
EOF
chmod +x "$DEPLOY_DIR/init-db.sh"

# 生成systemd服务文件
echo "[6/6] 生成systemd服务..."
cat > "$DEPLOY_DIR/filesystem.service" << EOF
[Unit]
Description=File Management System
After=network.target mysql.service

[Service]
Type=simple
User=root
WorkingDirectory=$(pwd)/$SERVER_DIR
ExecStart=$(pwd)/$SERVER_DIR/server
Restart=always
RestartSec=5

[Install]
WantedBy=multi-user.target
EOF

echo ""
echo "============================================"
echo "  部署完成!"
echo "============================================"
echo ""
echo "部署目录: $DEPLOY_DIR"
echo ""
echo "文件清单:"
find "$DEPLOY_DIR" -type f | head -20
echo ""
echo "【部署步骤】"
echo "  1. 将 $DEPLOY_DIR 复制到目标服务器"
echo "  2. 运行 ./init-db.sh 初始化数据库"
echo "  3. 修改 server/config.yaml 配置"
echo "  4. 运行 ./start.sh 启动服务"
echo "  5. (可选) 安装systemd服务:"
echo "     cp filesystem.service /etc/systemd/system/"
echo "     systemctl enable --now filesystem"
echo ""
echo "【默认账号】admin / admin123"