package auth

import (
	"encoding/json"
	"io"
	"net/http"
	"time"

	"gitea.konchin.com/go2025/backend/middlewares"
	"gitea.konchin.com/go2025/backend/utils"
	"github.com/spf13/viper"
	"github.com/uptrace/bunrouter"
)

type postLoginInput struct {
	Token string `json:"token"`
}

// PostLogin
//
//	@param		payload	body	postLoginInput	true	"payload"
//	@success	200
//	@router		/auth/login [post]
func (self *Handlers) PostLogin(
	w http.ResponseWriter, req bunrouter.Request,
) error {
	ctx := req.Context()

	b, err := io.ReadAll(req.Body)
	if err != nil {
		return middlewares.HTTPError{
			StatusCode:  http.StatusBadRequest,
			Message:     "failed to read payload",
			OriginError: err,
		}
	}

	var input postLoginInput
	if err := json.Unmarshal(b, &input); err != nil {
		return middlewares.HTTPError{
			StatusCode:  http.StatusBadRequest,
			Message:     "failed to unmarshal json",
			OriginError: err,
		}
	}

	session, err := self.db.GetSessionByLoginToken(ctx, input.Token)
	if err != nil {
		return middlewares.HTTPError{
			StatusCode:  http.StatusUnauthorized,
			Message:     "session not found",
			OriginError: err,
		}
	}

	session, err = self.db.UpdateRefreshToken(ctx, session.UserId)
	if err != nil {
		return middlewares.HTTPError{
			StatusCode:  http.StatusInternalServerError,
			Message:     "failed to update refresh token",
			OriginError: err,
		}
	}

	http.SetCookie(w, &http.Cookie{
		Name:  "refresh_token",
		Value: session.RefreshToken,
		Expires: time.Now().Add(time.Duration(
			viper.GetInt64("REFRESH_TOKEN_TIMEOUT")) * time.Second),
	})

	return utils.Success(w)
}