// Copyright 2019 Drone.IO Inc. All rights reserved.
// Use of this source code is governed by the Drone Non-Commercial License
// that can be found in the LICENSE file.

// +build !oss

package collabs

import (
	"net/http"

	"github.com/drone/drone/core"
	"github.com/drone/drone/handler/api/render"
	"github.com/drone/drone/logger"

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

// HandleDelete returns an http.HandlerFunc that processes
// a request to delete account membership to a repository. This should
// only be used if the datastore is out-of-sync with github.
func HandleDelete(
	users core.UserStore,
	repos core.RepositoryStore,
	members core.PermStore,
) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		var (
			login     = chi.URLParam(r, "member")
			namespace = chi.URLParam(r, "owner")
			name      = chi.URLParam(r, "name")
		)

		repo, err := repos.FindName(r.Context(), namespace, name)
		if err != nil {
			render.NotFound(w, err)
			logger.FromRequest(r).
				WithError(err).
				WithField("namespace", namespace).
				WithField("name", name).
				Debugln("api: repository not found")
			return
		}
		user, err := users.FindLogin(r.Context(), login)
		if err != nil {
			render.NotFound(w, err)
			logger.FromRequest(r).
				WithError(err).
				WithField("member", login).
				WithField("namespace", namespace).
				WithField("name", name).
				Debugln("api: user not found")
			return
		}
		member, err := members.Find(r.Context(), repo.UID, user.ID)
		if err != nil {
			render.NotFound(w, err)
			logger.FromRequest(r).
				WithError(err).
				WithField("member", member).
				WithField("namespace", namespace).
				WithField("name", name).
				Debugln("api: membership not found")
			return
		}
		err = members.Delete(r.Context(), member)
		if err != nil {
			render.InternalError(w, err)
			logger.FromRequest(r).
				WithError(err).
				WithField("member", login).
				WithField("namespace", namespace).
				WithField("name", name).
				Debugln("api: cannot delete membership")
		} else {
			w.WriteHeader(http.StatusNoContent)
		}
	}
}