package api

import (
	"fmt"
	"net/http"
	"strconv"
	"time"

	"git.ctrlz.es/mgdelacroix/craban/model"
	"git.ctrlz.es/mgdelacroix/craban/utils"

	"github.com/gorilla/mux"
	"github.com/rs/zerolog/log"
)

func (a *API) CreatePostForGame(w http.ResponseWriter, r *http.Request) {
	gameID, _ := strconv.Atoi(mux.Vars(r)["id"])
	user, _ := UserFromRequest(r)

	body := ParseBody(r)
	message := body.String("message")

	if message == "" {
		http.Error(w, fmt.Sprintf("%s: message should not be empty", http.StatusText(http.StatusBadRequest)), http.StatusBadRequest)
		return
	}

	if !a.App.HasPermissionToGame(user.ID, gameID) {
		http.Error(w, fmt.Sprintf("%s: user cannot post in this game", http.StatusText(http.StatusForbidden)), http.StatusForbidden)
		return
	}

	post := &model.Post{
		UserID:    user.ID,
		GameID:    gameID,
		CreatedAt: utils.Millis(time.Now()),
		Body:      message,
	}

	newPost, err := a.App.CreatePost(post)
	if err != nil {
		log.Error().Err(err).Msg("post couldn't be saved")
		http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
		return
	}

	JSON(w, newPost, 201)
}