package atom

import (
	"encoding/xml"
	"fmt"
)

type InlineTextContent struct {
	XMLName xml.Name `xml:"content"`
	*CommonAttributes
	Type string `xml:"type,attr,omitempty"` // Must be text or html
	Text string `xml:",chardata"`
}

// newInlineTextContent creates a new InlineTextContent. It returns a
// *InlineTextContent.
func newInlineTextContent(mediaType, text string) *InlineTextContent {
	return &InlineTextContent{
		CommonAttributes: NewCommonAttributes(),
		Type:             mediaType,
		Text:             text,
	}
}

// isContent checks whether the InlineTextContent is a Content. It returns a
// bool.
func (i *InlineTextContent) isContent() bool { return true }

// hasSRC checks whether the InlineTextContent has a SRC attribute. It returns
// a bool.
func (i *InlineTextContent) hasSRC() bool { return false }

// getType returns the Type of the InlineTextContent as a string.
func (i *InlineTextContent) getType() string { return i.Type }

// Check checks the InlineTextContent for incompatibilities with RFC4287. It
// returns an error.
func (i *InlineTextContent) Check() error {
	if i.Type != "" && i.Type != "text" && i.Type != "html" {
		return fmt.Errorf("type attribute of inline text content %v must be text or html if not omitted", i)
	}

	return nil
}