// Copyright 2024 Martin Riedl
//
// 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 gomp4

// MovieBox movie box struct
//
// 8.2.1 Movie Box
// Box Type: ‘moov’
// Container: File
// Mandatory: Yes
// Quantity: Exactly one
//
// The metadata for a presentation is stored in the single Movie Box which occurs at the top‐level of a file.
// Normally this box is close to the beginning or end of the file, though this is not required.
type MovieBox struct {
	*Box
	ChildBoxes []any
}

// BoxTypeMovie Movie Box
const BoxTypeMovie = "moov"

func init() {
	BoxDefinitions = append(BoxDefinitions, BoxDefinition{
		Type:        BoxTypeMovie,
		ParentTypes: []string{boxTypeParentFile},
		Parser:      ParseMovieBox,
	})
}

// ParseMovieBox creates a new movie box struct based on bytes
func ParseMovieBox(parser *Parser, filePosition uint64, headerSize uint32, content []byte) (any, error) {
	box := &MovieBox{Box: &Box{filePosition, headerSize}}

	// parse content boxes
	var err error
	box.ChildBoxes, err = box.parseChildBoxes(parser, BoxTypeMovie, filePosition, content)
	return box, err
}