package web

import (
	"net/http"
	"strings"

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

func routeOrQuery(c *gin.Context, routeName, queryName string) string {
	if c == nil {
		return ""
	}
	if value := strings.TrimSpace(c.Param(routeName)); value != "" {
		return value
	}
	return strings.TrimSpace(c.Query(queryName))
}

func hasQuery(c *gin.Context, names ...string) bool {
	if c == nil || c.Request == nil || c.Request.URL == nil {
		return false
	}
	values := c.Request.URL.Query()
	for _, name := range names {
		if _, ok := values[name]; ok {
			return true
		}
	}
	return false
}

func redirectCanonical(c *gin.Context, target string) bool {
	target = strings.TrimSpace(target)
	if c == nil || target == "" || c.Request == nil || c.Request.URL == nil {
		return false
	}
	if c.Request.URL.RequestURI() == target {
		return false
	}
	c.Redirect(http.StatusMovedPermanently, target)
	return true
}