package wordle

import (
	"net/http"

	"gitea.konchin.com/ytshih/inp2025/middlewares"
	"gitea.konchin.com/ytshih/inp2025/types"
	"gitea.konchin.com/ytshih/inp2025/utils"
	"github.com/gorilla/websocket"
	"github.com/uptrace/bunrouter"
	"github.com/vmihailenco/msgpack/v5"
)

func (self *Handlers) GetState(
	w http.ResponseWriter,
	req bunrouter.Request,
) error {
	c, err := self.upgrader.Upgrade(w, req.Request, nil)
	if err != nil {
		return middlewares.HTTPError{
			StatusCode:  http.StatusInternalServerError,
			Message:     "failed to upgrade websocket",
			OriginError: err,
		}
	}
	defer c.Close()

	username, _, ok := req.BasicAuth()
	if !ok {
		return middlewares.HTTPError{
			StatusCode: http.StatusBadRequest,
			Message:    "username not exist",
		}
	}
	dataCh := make(chan types.WordleState)
	self.opCh <- &OperationSubs{
		Username: username,
		SubsCh:   &dataCh,
	}

	for data := range dataCh {
		b, err := msgpack.Marshal(data)
		if err != nil {
			return middlewares.HTTPError{
				StatusCode:  http.StatusInternalServerError,
				Message:     "failed to marshal data into msgpack",
				OriginError: err,
			}
		}
		c.WriteMessage(websocket.BinaryMessage, b)
	}

	return utils.Success(w)
}