package mail

import (
	"net/http"
	"strings"

	"github.com/ultisuite/ulti-backend/internal/api/apiresponse"
	"github.com/ultisuite/ulti-backend/internal/api/apivalidate"
	"github.com/ultisuite/ulti-backend/internal/mail/hosted"
)

func (h *Handler) SetHostedService(svc *hosted.Service) {
	if s, ok := h.svc.(*Service); ok {
		s.SetHostedService(svc)
	}
}

func (h *Handler) CheckAddressAvailability(w http.ResponseWriter, r *http.Request) {
	svc := h.hostedService()
	if svc == nil {
		apiresponse.WriteJSON(w, http.StatusOK, map[string]any{"available": true, "reason": "hosted_mail_disabled"})
		return
	}
	local := strings.TrimSpace(r.URL.Query().Get("local"))
	domain := strings.TrimSpace(r.URL.Query().Get("domain"))
	if domain == "" {
		domain = strings.TrimSpace(r.URL.Query().Get("domain_name"))
	}
	if local == "" || domain == "" {
		apivalidate.WriteValidationError(w, r, apivalidate.NewValidationError(apivalidate.FieldDetail{
			Field: "local", Message: "local and domain required",
		}))
		return
	}
	available, err := svc.IsAddressAvailable(r.Context(), domain, local)
	if err != nil {
		apiresponse.WriteJSON(w, http.StatusOK, map[string]any{"available": false, "reason": err.Error()})
		return
	}
	apiresponse.WriteJSON(w, http.StatusOK, map[string]any{"available": available})
}

func (h *Handler) hostedService() *hosted.Service {
	if s, ok := h.svc.(*Service); ok {
		return s.HostedService()
	}
	return nil
}