// Copyright 2015 Red Hat Inc. All rights reserved.
//
// 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.
//
// Forked from upstream cobra/doc

package docs

import (
	"strconv"
	"strings"

	"github.com/spf13/cobra"
)

// Test to see if we have a reason to print See Also information in docs
// Basically this is a test for a parent commend or a subcommand which is
// both not deprecated and not the autogenerated help command.
func hasSeeAlso(cmd *cobra.Command) bool {
	if cmd.HasParent() {
		return true
	}
	for _, c := range cmd.Commands() {
		if !c.IsAvailableCommand() || c.IsAdditionalHelpTopicCommand() {
			continue
		}
		return true
	}
	return false
}

// Temporary workaround for yaml lib generating incorrect yaml with long strings
// that do not contain \n.
func forceMultiLine(s string) string {
	if len(s) > 60 && !strings.Contains(s, "\n") {
		s = s + "\n"
	}
	return s
}

type byName []*cobra.Command

func (s byName) Len() int           { return len(s) }
func (s byName) Swap(i, j int)      { s[i], s[j] = s[j], s[i] }
func (s byName) Less(i, j int) bool { return s[i].Name() < s[j].Name() }

// byExitCode implements sort.Interface for []statusError based on
// the Code field.
type byExitCode []statusError

func (a byExitCode) Len() int      { return len(a) }
func (a byExitCode) Swap(i, j int) { a[i], a[j] = a[j], a[i] }

// NOTE: this is a reverse sort so our logic is backwards here
func (a byExitCode) Less(i, j int) bool {
	// Sort code by integer value and fallback to string comparison if for some
	// reason we're unable to cast values.
	iInt, iErr := strconv.Atoi(a[i].Code)
	jInt, jErr := strconv.Atoi(a[j].Code)

	if iErr == nil && jErr == nil {
		return iInt < jInt
	}

	return a[i].Code < a[j].Code
}
