package middleware

import (
	"log/slog"
	"strings"
	"time"

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

// Logger 请求日志中间件，记录方法、路径、状态码、耗时
func Logger() gin.HandlerFunc {
	return func(c *gin.Context) {
		start := time.Now()
		path := c.Request.URL.Path

		c.Next()

		latency := time.Since(start)
		status := c.Writer.Status()
		query := RedactSensitiveQuery(c.Request.URL.RawQuery)
		auth := c.GetHeader("Authorization")
		authPrefix := ""
		if auth != "" {
			authPrefix = strings.SplitN(auth, " ", 2)[0]
		}

		slog.Info("请求",
			"requestId", RequestID(c),
			"method", c.Request.Method,
			"path", path,
			"query", query,
			"status", status,
			"latency", latency.String(),
			"ip", c.ClientIP(),
			"authType", authPrefix,
		)
	}
}