package notification

import (
	"net/http"
	"strconv"

	"github.com/go-chi/chi/v5"
	"git.unsupervised.ca/walkies/internal/respond"
	"git.unsupervised.ca/walkies/internal/server/middleware"
)

type Handler struct {
	store *Store
}

func NewHandler(store *Store) *Handler {
	return &Handler{store: store}
}

// GET /api/v1/notifications
func (h *Handler) List(w http.ResponseWriter, r *http.Request) {
	claims := middleware.ClaimsFromContext(r.Context())
	notifications, err := h.store.ListForVolunteer(claims.VolunteerID)
	if err != nil {
		respond.Error(w, http.StatusInternalServerError, "could not list notifications")
		return
	}
	if notifications == nil {
		notifications = []Notification{}
	}
	respond.JSON(w, http.StatusOK, notifications)
}

// PUT /api/v1/notifications/{id}/read
func (h *Handler) MarkRead(w http.ResponseWriter, r *http.Request) {
	claims := middleware.ClaimsFromContext(r.Context())
	id, err := strconv.ParseInt(chi.URLParam(r, "id"), 10, 64)
	if err != nil {
		respond.Error(w, http.StatusBadRequest, "invalid id")
		return
	}
	n, err := h.store.MarkRead(id, claims.VolunteerID)
	if err != nil {
		respond.Error(w, http.StatusInternalServerError, "could not mark notification as read")
		return
	}
	if n == nil {
		respond.Error(w, http.StatusNotFound, "notification not found")
		return
	}
	respond.JSON(w, http.StatusOK, n)
}