package middleware

import (
	"nCovTrack-Backend/utils"
	"net/http"
	"time"

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

func RequestLog() gin.HandlerFunc {
	return func(c *gin.Context) {
		var logParams []interface{}

		// All requests' log;
		logParams = append(logParams,
			"uri", c.Request.RequestURI,
			"mothod", c.Request.Method,
		)
		startTime := time.Now()

		c.Next()

		cost := time.Since(startTime)
		logParams = append(logParams, "cost", cost.String())

		// Log while request is allright;
		if c.Writer.Status() == http.StatusOK && cost.Milliseconds() < 800 {
			utils.RequestLogInfo(logParams...)
			return
		}

		// Log while request cost an unexpected time;
		if cost.Milliseconds() >= 800 {
			logParams = append(logParams,
				"status", c.Writer.Status(),
				"query", c.Request.URL.Query(),
				"header", c.Request.Header,
				"body", c.Request.Body,
				"ip", c.ClientIP(),
			)
			utils.RequestLogWarn(logParams...)
			return
		}

		// Log while response occurred some error;
		if c.Writer.Status() != http.StatusOK {
			logParams = append(logParams,
				"error", c.Errors.ByType(gin.ErrorTypePrivate).String(),
			)
			utils.RequestLogError(logParams...)
		}
	}
}