main.go

package main

import (
	"fmt"
	"net/http"
	"os"
	"time"

	"cloudrun-gin/controllers"

	"github.com/gin-gonic/gin"
)

func main() {
	// 设置 Gin 模式
	if os.Getenv("GIN_MODE") == "" {
		gin.SetMode(gin.ReleaseMode)
	}

	router := gin.Default()

	// 添加 CORS 中间件
	router.Use(func(c *gin.Context) {
		c.Header("Access-Control-Allow-Origin", "*")
		c.Header("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
		c.Header("Access-Control-Allow-Headers", "Content-Type, Authorization")

		if c.Request.Method == "OPTIONS" {
			c.AbortWithStatus(http.StatusNoContent)
			return
		}

		c.Next()
	})

	// 添加日志中间件
	router.Use(gin.LoggerWithFormatter(func(param gin.LogFormatterParams) string {
		return fmt.Sprintf("%s - [%s] \"%s %s %s %d %s \"%s\" %s\"\n",
			param.ClientIP,
			param.TimeStamp.Format(time.RFC1123),
			param.Method,
			param.Path,
			param.Request.Proto,
			param.StatusCode,
			param.Latency,
			param.Request.UserAgent(),
			param.ErrorMessage,
		)
	}))

	// 基础路由
	router.GET("/", func(c *gin.Context) {
		c.JSON(http.StatusOK, gin.H{
			"message": "欢迎使用 Gin CloudBase 应用！",
			"status":  "running",
		})
	})

	// 健康检查
	router.GET("/health", func(c *gin.Context) {
		c.JSON(http.StatusOK, gin.H{
			"status":      "healthy",
			"timestamp":   time.Now().Format(time.RFC3339),
			"framework":   "Gin",
			"go_version":  "1.19+",
			"gin_version": gin.Version,
		})
	})

	// API 路由组
	api := router.Group("/api")
	{
		users := api.Group("/users")
		{
			users.GET("", controllers.GetUsers)
			users.GET("/:id", controllers.GetUser)
			users.POST("", controllers.CreateUser)
		}
	}

	// 获取端口，支持环境变量
	port := os.Getenv("PORT")
	if port == "" {
		port = "8080"
	}

	// 启动服务器
	router.Run(":" + port)
}