package main

import (
	"net/http"

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

type EchoRequest struct {
	Message string `form:"message" json:"message" binding:"required"`
}

func main() {
	r := gin.Default()
	r.LoadHTMLGlob("templates/*")

	r.GET("/ping", func(c *gin.Context) {
		c.JSON(http.StatusOK, gin.H{"message": "pong"})
	})

	r.GET("/", func(c *gin.Context) {
		c.HTML(http.StatusOK, "index.html", nil)
	})

	r.POST("/echo", func(c *gin.Context) {
		var req EchoRequest
		if err := c.ShouldBind(&req); err != nil {
			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		} else {
			c.JSON(http.StatusOK, gin.H{"echo": req.Message})
		}
	})
	r.Run(":8080")
}