package rest_handler

import (
	"bytes"
	"fmt"
	"io"
	"net/http"

	"gitea.elara.ws/Hazel/hangman/internal/game"
	"github.com/labstack/echo/v4"
)

func GuessLetter(c echo.Context) error {
	session := game.GetSession(c.Param("session"))

	sig := c.Request().Header.Get("signature")
	body, _ := io.ReadAll(c.Request().Body)

	u := session.VerifySignature(sig, body)
	if u == nil {
		return c.String(http.StatusBadRequest, "This user was not fount in the current session.")
	}

	if !session.CurrentUser.PublicKey.Equal(u.PublicKey) {
		return c.String(http.StatusBadRequest, "It's not the turn of user "+u.Name+". It's the turn of "+session.CurrentUser.Name+".")
	}

	c.Request().Body = io.NopCloser(bytes.NewBuffer(body))

	type BodyContent struct {
		Guess string
	}
	var bodyContent BodyContent

	err := c.Bind(&bodyContent)
	if err != nil {
		fmt.Println(err)
		return c.String(http.StatusBadRequest, err.Error())
	}

	_, err = session.GuessLetter(bodyContent.Guess)
	if err != nil {
		return c.String(http.StatusBadRequest, err.Error())
	}

	return c.JSON(http.StatusOK, session)
}