package handler

import (
	"net/http"
	"strconv"

	"github.com/go-chi/chi/v5"

	"financeiro-carvalho/internal/service"
)

type PendingBillHandler struct {
	svc     *service.PendingBillService
	gameSvc *service.GameService
}

func NewPendingBillHandler(svc *service.PendingBillService, gameSvc *service.GameService) *PendingBillHandler {
	return &PendingBillHandler{svc: svc, gameSvc: gameSvc}
}

func (h *PendingBillHandler) List(w http.ResponseWriter, r *http.Request) {
	items, err := h.svc.List(r.Context())
	if err != nil {
		respondError(w, http.StatusInternalServerError, "failed to list pending bills")
		return
	}
	respondJSON(w, http.StatusOK, items)
}

func (h *PendingBillHandler) Confirm(w http.ResponseWriter, r *http.Request) {
	id, err := strconv.Atoi(chi.URLParam(r, "id"))
	if err != nil {
		respondError(w, http.StatusBadRequest, "invalid id")
		return
	}
	if err := h.svc.Confirm(r.Context(), id); err != nil {
		if err == service.ErrPendingBillNotFound {
			respondError(w, http.StatusNotFound, "pending bill not found")
			return
		}
		respondError(w, http.StatusInternalServerError, "failed to confirm pending bill")
		return
	}
	h.gameSvc.NotifyAction(r.Context(), "import_confirmed", map[string]any{"count": 1})
	w.WriteHeader(http.StatusNoContent)
}

func (h *PendingBillHandler) Discard(w http.ResponseWriter, r *http.Request) {
	id, err := strconv.Atoi(chi.URLParam(r, "id"))
	if err != nil {
		respondError(w, http.StatusBadRequest, "invalid id")
		return
	}
	if err := h.svc.Discard(r.Context(), id); err != nil {
		respondError(w, http.StatusInternalServerError, "failed to discard pending bill")
		return
	}
	w.WriteHeader(http.StatusNoContent)
}