package handlers

import (
	"net/http"

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

	"sneak.berlin/go/upaas/internal/models"
	"sneak.berlin/go/upaas/templates"
)

// webhookEventsLimit is the number of webhook events to show in history.
const webhookEventsLimit = 100

// HandleAppWebhookEvents returns the webhook event history handler.
func (h *Handlers) HandleAppWebhookEvents() http.HandlerFunc {
	tmpl := templates.GetParsed()

	return func(writer http.ResponseWriter, request *http.Request) {
		appID := chi.URLParam(request, "id")

		application, findErr := models.FindApp(request.Context(), h.db, appID)
		if findErr != nil {
			h.log.Error("failed to find app", "error", findErr)
			http.Error(writer, "Internal Server Error", http.StatusInternalServerError)

			return
		}

		if application == nil {
			http.NotFound(writer, request)

			return
		}

		events, eventsErr := application.GetWebhookEvents(
			request.Context(),
			webhookEventsLimit,
		)
		if eventsErr != nil {
			h.log.Error("failed to get webhook events",
				"error", eventsErr,
				"app", appID,
			)

			events = []*models.WebhookEvent{}
		}

		data := h.addGlobals(map[string]any{
			"App":    application,
			"Events": events,
		}, request)

		h.renderTemplate(writer, tmpl, "webhook_events.html", data)
	}
}