package middleware

import (
	"time"

	"github.com/gin-gonic/gin"
	"go.uber.org/zap"
)

// Logger 请求日志中间件，记录每个请求的方法、路径、状态码、耗时
// 在 c.Next() 前后分别记录开始和结束时间
func Logger(logger *zap.Logger) gin.HandlerFunc {
	return func(c *gin.Context) {
		start := time.Now()
		path := c.Request.URL.Path
		query := c.Request.URL.RawQuery

		c.Next() // 执行后续中间件和 Handler

		cost := time.Since(start)
		logger.Info("HTTP Request",
			zap.Int("status", c.Writer.Status()),
			zap.String("method", c.Request.Method),
			zap.String("path", path),
			zap.String("query", query),
			zap.String("ip", c.ClientIP()),
			zap.Duration("cost", cost),
			zap.String("errors", c.Errors.ByType(gin.ErrorTypePrivate).String()),
		)
	}
}