// meta4ra -- Metalink 4.0 utilities
// Copyright (C) 2021-2026 Sergey Matveev <stargrave@stargrave.org>
//
// 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, version 3 of the License.
//
// 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 internal

import (
	"encoding/xml"
	"time"
)

type Metalink struct {
	XMLName   xml.Name   `xml:"urn:ietf:params:xml:ns:metalink metalink"`
	Files     []File     `xml:"file"`
	Generator string     `xml:"generator,,omitempty"`
	Published *time.Time `xml:"published,,omitempty"`
}

type File struct {
	XMLName     xml.Name    `xml:"file"`
	Name        string      `xml:"name,attr"`
	Identity    string      `xml:"identity,,omitempty"`
	Description string      `xml:"description,,omitempty"`
	Hashes      []Hash      `xml:"hash,,omitempty"`
	MetaURLs    []MetaURL   `xml:"metaurl,,omitempty"`
	Signature   []Signature `xml:"signature"`
	Size        uint64      `xml:"size,,omitempty"`
	URLs        []URL       `xml:"url,,omitempty"`
}

type URL struct {
	XMLName  xml.Name `xml:"url"`
	Priority uint     `xml:"priority,attr,omitempty"`
	Location string   `xml:"location,attr,omitempty"`
	URL      string   `xml:",chardata"`
}

type Signature struct {
	XMLName   xml.Name `xml:"signature"`
	MediaType string   `xml:"mediatype,attr"`
	Signature string   `xml:",cdata"`
}

type Hash struct {
	XMLName xml.Name `xml:"hash"`
	Type    string   `xml:"type,attr"`
	Hash    string   `xml:",chardata"`
}

type MetaURL struct {
	XMLName   xml.Name `xml:"metaurl"`
	MediaType string   `xml:"mediatype,attr"`
	URL       string   `xml:",chardata"`
}
