Refactor install command generation and update response structure

internal/server/router/handler/install.go

@@ -3,7 +3,6 @@ package handler
 import (
 	"crypto/rand"
 	"encoding/hex"
-	"fmt"
 	"net/http"
 	"time"
 
@@ -11,41 +10,38 @@ import (
 	"github.com/gotunnel/internal/server/db"
 )
 
-// InstallHandler 安装处理器
 type InstallHandler struct {
 	app AppInterface
 }
 
-// NewInstallHandler 创建安装处理器
 func NewInstallHandler(app AppInterface) *InstallHandler {
 	return &InstallHandler{app: app}
 }
 
-// InstallCommandResponse 安装命令响应
 type InstallCommandResponse struct {
-	Token      string            `json:"token"`
-	Commands   map[string]string `json:"commands"`
-	ExpiresAt  int64             `json:"expires_at"`
-	ServerAddr string            `json:"server_addr"`
+	Token      string `json:"token"`
+	ExpiresAt  int64  `json:"expires_at"`
+	TunnelPort int    `json:"tunnel_port"`
 }
 
-// GenerateInstallCommand 生成安装命令
-// @Summary 生成客户端安装命令
+// GenerateInstallCommand creates a one-time install token and returns
+// the tunnel port so the frontend can build a host-aware command.
+//
+// @Summary Generate install command payload
 // @Tags install
 // @Produce json
 // @Success 200 {object} InstallCommandResponse
 // @Router /api/install/generate [post]
 func (h *InstallHandler) GenerateInstallCommand(c *gin.Context) {
-	// 生成随机token
 	tokenBytes := make([]byte, 32)
 	if _, err := rand.Read(tokenBytes); err != nil {
-		c.JSON(http.StatusInternalServerError, gin.H{"error": "生成token失败"})
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to generate token"})
 		return
 	}
-	token := hex.EncodeToString(tokenBytes)
 
-	// 保存到数据库
+	token := hex.EncodeToString(tokenBytes)
 	now := time.Now().Unix()
+
 	installToken := &db.InstallToken{
 		Token:     token,
 		CreatedAt: now,
@@ -54,36 +50,18 @@ func (h *InstallHandler) GenerateInstallCommand(c *gin.Context) {
 
 	store, ok := h.app.GetClientStore().(db.InstallTokenStore)
 	if !ok {
-		c.JSON(http.StatusInternalServerError, gin.H{"error": "存储不支持安装token"})
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "install token store is not supported"})
 		return
 	}
 
 	if err := store.CreateInstallToken(installToken); err != nil {
-		c.JSON(http.StatusInternalServerError, gin.H{"error": "保存token失败"})
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to persist token"})
 		return
 	}
 
-	// 获取服务器地址
-	serverAddr := fmt.Sprintf("%s:%d", h.app.GetConfig().Server.BindAddr, h.app.GetServer().GetBindPort())
-	if h.app.GetConfig().Server.BindAddr == "" || h.app.GetConfig().Server.BindAddr == "0.0.0.0" {
-		serverAddr = fmt.Sprintf("your-server-ip:%d", h.app.GetServer().GetBindPort())
-	}
-
-	// 生成安装命令
-	expiresAt := now + 3600 // 1小时过期
-	commands := map[string]string{
-		"linux": fmt.Sprintf("curl -fsSL https://raw.githubusercontent.com/gotunnel/gotunnel/main/scripts/install.sh | bash -s -- -s %s -t %s",
-			serverAddr, token),
-		"macos": fmt.Sprintf("curl -fsSL https://raw.githubusercontent.com/gotunnel/gotunnel/main/scripts/install.sh | bash -s -- -s %s -t %s",
-			serverAddr, token),
-		"windows": fmt.Sprintf("powershell -c \"irm https://raw.githubusercontent.com/gotunnel/gotunnel/main/scripts/install.ps1 | iex; Install-GoTunnel -Server '%s' -Token '%s'\"",
-			serverAddr, token),
-	}
-
 	c.JSON(http.StatusOK, InstallCommandResponse{
 		Token:      token,
-		Commands:   commands,
-		ExpiresAt:  expiresAt,
-		ServerAddr: serverAddr,
+		ExpiresAt:  now + 3600,
+		TunnelPort: h.app.GetServer().GetBindPort(),
 	})
 }