import_zone.go

/*
Copyright 2018 Turbine Labs, Inc.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package main

import (
	"os"

	"github.com/turbinelabs/cli/command"
	"github.com/turbinelabs/nonstdlib/editor"
	tbnos "github.com/turbinelabs/nonstdlib/os"
)

const importZoneDesc = `Import a Zone to the Turbine Labs API. Typically the
input will be the output of a previous call to export-zone, with object keys
replaced by names. Referential integrity, assuming it is present in the input,
is maintained in the import. The Zone to be imported is assumed not to exist,
and import-zone will fail if the Zone is already present.`

func cmdImportZone(globalConfig globalConfigT) *command.Cmd {
	cmd := &command.Cmd{
		Name:        "import-zone",
		Summary:     "import a Zone to the Turbine Labs API",
		Usage:       "[OPTIONS] <zone-name>",
		Description: importZoneDesc,
	}

	cmd.Runner = &importZoneRunner{globalConfig}
	return cmd
}

type importZoneRunner struct {
	cfg globalConfigT
}

func (r *importZoneRunner) Run(cmd *command.Cmd, args []string) command.CmdErr {
	if err := r.cfg.Prepare(cmd); err != command.NoError() {
		return err
	}

	return r.run(cmd, args)
}

func (r *importZoneRunner) run(cmd *command.Cmd, args []string) command.CmdErr {
	if len(args) != 1 {
		return cmd.BadInput("requires exactly one argument")
	}

	var (
		txt string
		err error
	)

	txt, err = tbnos.ReadIfNonEmpty(os.Stdin)
	if err != nil {
		return cmd.Errorf("could not process STDIN: %s", err)
	}
	if txt == "" {
		txt, err = editor.EditTextType("", r.cfg.codecFlags.Type())
		if err != nil {
			return cmd.Error(err)
		}
	}

	zo, err := importZone(r.cfg.apiClient, args[0], r.cfg.codec, txt)
	if err != nil {
		return r.cfg.PrettyCmdErr(cmd, err)
	}

	r.cfg.PrintResult(zo)

	return command.NoError()
}