/*
Version management tools.

Authors:
Georg Hopp <georg@steffers.org>

Changes:
2018-10-02 [Georg Hopp] File created.

Copyright © 2018 Georg Hopp

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
package version

import (
	"encoding/json"

	"gitlab.weird-web-workers.org/golang/logger"
)

type Version struct {
	Package string `json:"Package"`
	Version string `json:"Version"`
	Revision string `json:"Revision"`
	BuildTime string `json:"BuildTime"`
}

type versionMap map[string]Version

var (
	versions = make(versionMap)
)

func (v Version) Register() {
	versions[v.Package] = v
}

func (vMap versionMap) Json() []byte {
	vSlice := make([]Version, len(vMap))
	for _, v := range vMap {
		vSlice = append(vSlice, v)
	}
	vJson, err := json.Marshal(vSlice)
	logger.Default.FailOnError(err, "Unable to marshal versions")
	return vJson
}

// vim: ts=4 sts=4 sw=4 noet tw=72: