// Copyright © 2023 Ory Corp
// SPDX-License-Identifier: Apache-2.0

package relationtuple

import (
	"fmt"

	"github.com/spf13/cobra"

	"github.com/ory/x/cmdx"

	"github.com/ory/keto/cmd/client"
	rts "github.com/ory/keto/gen/go/ory/keto/relation_tuples/v1alpha2"
)

const (
	FlagForce = "force"
)

func NewDeleteAllCmd() *cobra.Command {
	var force bool

	cmd := &cobra.Command{
		Use:   "delete-all",
		Short: "Delete ALL relationships matching the relation query.",
		Long: "Delete all relationships matching the relation query.\n" +
			"It is recommended to first run the command without the `--force` flag to verify that the operation is safe.",
		Args: cobra.ExactArgs(0),
		RunE: func(cmd *cobra.Command, args []string) error {
			if !force {
				_, _ = fmt.Fprintf(cmd.OutOrStdout(), "WARNING: This operation is not reversible. Please use the `--%s` flag to proceed.\nThese tuples would be deleted:\n\n", FlagForce)
				return getTuples(new(int32(100)), new(""))(cmd, args)
			}

			if cmd.Flags().Changed(FlagSubject) {
				return fmt.Errorf("usage of --%s is not supported anymore, use --%s or --%s respectively", FlagSubject, FlagSubjectID, FlagSubjectSet)
			}

			query, err := readQueryFromFlags(cmd)
			if err != nil {
				return err
			}

			conn, err := client.GetWriteConn(cmd)
			if err != nil {
				return err
			}
			defer func() { _ = conn.Close() }()
			cl := rts.NewWriteServiceClient(conn)
			_, err = cl.DeleteRelationTuples(cmd.Context(), &rts.DeleteRelationTuplesRequest{
				RelationQuery: query,
			})
			if err != nil {
				_, _ = fmt.Fprintf(cmd.ErrOrStderr(), "Could not make request: %s\n", err)
				return cmdx.FailSilently(cmd)
			}

			return nil
		},
	}
	registerPackageFlags(cmd.Flags())
	registerRelationTupleFlags(cmd.Flags())
	cmd.Flags().BoolVar(&force, FlagForce, false, "Force the deletion of relationships")

	return cmd
}