package main

import (
	// "flag"
	// "fmt"
	"embed"
	"net/http"
	"strings"

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

//go:embed static
var staticFiles embed.FS

func SetCustomContentType() gin.HandlerFunc {
    return func(c *gin.Context) {
		requestPath := c.Request.URL.Path
		if strings.HasPrefix(requestPath, "/l/static") {
        	c.Header("Content-Type", "text/html; charset=UTF-8")
		}
        c.Next()
    }
}

func main() {
	embeddedFilesSystem := http.FS(staticFiles)

	router := gin.Default()
	router.Use(SetCustomContentType())
	router.Use(gzip.Gzip(gzip.DefaultCompression))
    router.GET("/ping", func(c *gin.Context) {
		c.JSON(200, gin.H{"message": "pong"})
    })
	router.StaticFS("/l", embeddedFilesSystem)
    router.Run(":8080")
}