package subsonic

import (
	"encoding/json"
	"encoding/xml"
	"time"
)

type Episode struct {
	XMLName     xml.Name  `xml:"episode" json:"-"`
	ID          int       `xml:"id,attr" json:"id"`
	StreamID    int       `xml:"streamId,attr" json:"streamId"`
	ChannelID   int       `xml:"channelId,attr" json:"channelId"`
	Title       string    `xml:"title,attr" json:"title"`
	Description string    `xml:"description,attr" json:"description"`
	PublishDate time.Time `xml:"publishDate,attr" json:"publishDate"`
	Status      string    `xml:"status,attr" json:"status"`
	Parent      int       `xml:"parent,attr" json:"parent"`
	IsDir       bool      `xml:"isDir,attr" json:"isDir"`
	Year        int       `xml:"year,attr" json:"year"`
	Genre       string    `xml:"genre,attr" json:"genre"`
	CoverArt    int       `xml:"coverArt,attr" json:"coverArt"`
	Size        int       `xml:"size,attr" json:"size"`
	ContentType string    `xml:"contentType,attr" json:"contentType"`
	Suffix      string    `xml:"suffix,attr" json:"suffix"`
	Duration    int       `xml:"duration,attr" json:"duration"`
	Bitrate     int       `xml:"bitrate,attr" json:"bitrate"`
	Path        string    `xml:"path,attr" json:"path"`
}

type Podcast struct {
	XMLName          xml.Name  `xml:"channel" json:"-"`
	ID               int       `xml:"id,attr" json:"id"`
	URL              string    `xml:"url,attr" json:"url"`
	Title            string    `xml:"title,attr" json:"title"`
	Description      string    `xml:"description,attr" json:"description"`
	CoverArt         string    `xml:"coverArt,attr" json:"coverArt"`
	OriginalImageURL string    `xml:"originalImageUrl,attr" json:"originalImageUrl"`
	Status           string    `xml:"status,attr" json:"status"`
	Episodes         []Episode `xml:"episode" json:"episodes"`
	ErrorMessage     string    `xml:"errorMessage,attr,omitempty" json:"errorMessage,omitempty"`
}

func (p Podcast) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
	if p.ErrorMessage != "" {
		return e.EncodeElement(struct {
			ID           int    `xml:"id,attr,omitempty"`
			URL          string `xml:"url,attr,omitempty"`
			Status       string `xml:"status,attr,omitempty"`
			ErrorMessage string `xml:"errorMessage,attr,omitempty"`
		}{
			ID:           p.ID,
			URL:          p.URL,
			Status:       p.Status,
			ErrorMessage: p.ErrorMessage,
		}, start)
	}

	type Alias Podcast
	return e.EncodeElement(Alias(p), start)
}

func (p Podcast) MarshalJSON() ([]byte, error) {
	if p.ErrorMessage != "" {
		return json.Marshal(struct {
			ID           int    `xml:"id,attr,omitempty" json:"id,omitempty"`
			URL          string `xml:"url,attr,omitempty" json:"url,omitempty"`
			Status       string `xml:"status,attr,omitempty" json:"status,omitempty"`
			ErrorMessage string `xml:"errorMessage,attr,omitempty" json:"errorMessage,omitempty"`
		}{
			ID:           p.ID,
			URL:          p.URL,
			ErrorMessage: p.ErrorMessage,
		})
	}

	type Alias Podcast
	return json.Marshal(Alias(p))
}

type PodcastsResponse struct {
	Response
	Podcasts []Podcast `xml:"podcasts>channel" json:"podcasts"`
}

type NewestEpisode struct {
	ID          int       `xml:"id,attr" json:"id"`
	Parent      int       `xml:"parent,attr" json:"parent"`
	IsDir       bool      `xml:"isDir,attr" json:"isDir"`
	Title       string    `xml:"title,attr" json:"title"`
	Album       string    `xml:"album,attr" json:"album"`
	Artist      string    `xml:"artist,attr" json:"artist"`
	Year        int       `xml:"year,attr" json:"year"`
	CoverArt    int       `xml:"coverArt,attr" json:"coverArt"`
	Size        int       `xml:"size,attr" json:"size"`
	ContentType string    `xml:"contentType,attr" json:"contentType"`
	Suffix      string    `xml:"suffix,attr" json:"suffix"`
	Duration    int       `xml:"duration,attr" json:"duration"`
	Bitrate     int       `xml:"bitrate,attr" json:"bitrate"`
	IsVideo     bool      `xml:"isVideo,attr" json:"isVideo"`
	Created     time.Time `xml:"created,attr" json:"created"`
	ArtistID    int       `xml:"artistId,attr" json:"artistId"`
	Type        string    `xml:"type,attr" json:"type"`
	StreamID    int       `xml:"streamId,attr" json:"streamId"`
	ChannelID   int       `xml:"channelId,attr" json:"channelId"`
	Description string    `xml:"description,attr" json:"description"`
	Status      string    `xml:"status,attr" json:"status"`
	PublishDate time.Time `xml:"publishDate,attr" json:"publishDate"`
}

type NewestPodcastsResponse struct {
	Response
	NewestPodcasts []NewestEpisode `xml:"newestPodcasts>episode" json:"newestPodcasts"`
}

type RefreshPodcastsResponse struct {
	Response
}

type CreatePodcastResponse struct {
	Response
}

type DeletePodcastResponse struct {
	Response
}

type DeleteEpisodeResponse struct {
	Response
}

type DownloadEpisodeResponse struct {
	Response
}