package server

import (
	"net/http"
	"time"
)

type inviteReq struct {
	MaxUses        int `json:"max_uses"`
	ExpiresInHours int `json:"expires_in_hours"`
}

func (s *Server) createInvite(w http.ResponseWriter, r *http.Request) {
	if !requireAdmin(w, r) {
		return
	}
	var b inviteReq
	if r.ContentLength != 0 && !decode(w, r, &b) {
		return
	}
	if b.MaxUses < 0 || b.MaxUses > 1000 || b.ExpiresInHours < 0 || b.ExpiresInHours > 24*365 {
		writeErr(w, http.StatusBadRequest, "max_uses must be 1-1000, expires_in_hours 0-8760")
		return
	}
	inv, err := s.Store.CreateInvite(r.Context(), b.MaxUses, time.Duration(b.ExpiresInHours)*time.Hour)
	if err != nil {
		s.storeErr(w, err)
		return
	}
	writeJSON(w, http.StatusCreated, inv)
}

func (s *Server) listInvites(w http.ResponseWriter, r *http.Request) {
	if !requireAdmin(w, r) {
		return
	}
	list, err := s.Store.ListInvites(r.Context())
	if err != nil {
		s.storeErr(w, err)
		return
	}
	writeJSON(w, 200, list)
}

func (s *Server) deleteInvite(w http.ResponseWriter, r *http.Request) {
	if !requireAdmin(w, r) {
		return
	}
	if err := s.Store.DeleteInvite(r.Context(), r.PathValue("code")); err != nil {
		s.storeErr(w, err)
		return
	}
	w.WriteHeader(http.StatusNoContent)
}