package api

import (
	"net/http"

	userclasses "git.golem15.com/golem15/sm-user-plugin/classes"
)

// chatBootstrapJSON is the answer of /chat. A user outside the chat group
// gets only member: false.
type chatBootstrapJSON struct {
	Member bool `json:"member"`
}

// Chat answers GET /chat, the chat bootstrap: whether the caller is in the
// chat group.
func (h *Handlers) Chat(w http.ResponseWriter, r *http.Request) {
	userID, ok := h.caller(w, r)
	if !ok {
		return
	}
	db, ok := h.db(w, r)
	if !ok {
		return
	}
	member := false
	if h.ChatGroup != "" {
		var err error
		member, err = userclasses.HasGroupCode(r.Context(), db, userID, h.ChatGroup)
		if err != nil {
			writeOpaque500(w)
			return
		}
	}
	writeData(w, chatBootstrapJSON{Member: member})
}