package pull

import (
	"context"

	"tangled.org/core/appview/models"
	"tangled.org/core/appview/pages/repoinfo"
	"tangled.org/core/appview/session"
)

func (s *Service) MergePull(ctx context.Context, pull *models.Pull2) error {
	l := s.logger.With("method", "MergePull")
	sess := session.FromContext(ctx)
	if sess == nil {
		l.Error("user session is missing in context")
		return ErrForbidden
	}
	sessDid := sess.Data.AccountDID
	l = l.With("did", sessDid)

	// TODO: make this more granular
	roles := repoinfo.RolesInRepo{Roles: s.enforcer.GetPermissionsInRepo(sessDid.String(), pull.Repo.Knot, pull.Repo.DidSlashRepo())}
	isRepoOwner := roles.IsOwner()
	isCollaborator := roles.IsCollaborator()
	isAuthor := sessDid == pull.Did
	if !(isRepoOwner || isCollaborator || isAuthor) {
		l.Error("user is not authorized")
		return ErrForbidden
	}

	// 1. request knot to apply series of patches
	// 2. create new pull.state record
	// 3. update db

	panic("unimplemented")

	pull.State = models.PullMerged

	// s.notifier.NewPullState(ctx, sessDid, pull)
	return nil
}