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use super::File;

auto_derived!(
    /// Image positioning and size
    pub enum ImageSize {
        /// Show large preview at the bottom of the embed
        Large,
        /// Show small preview to the side of the embed
        Preview,
    }

    /// Image
    pub struct Image {
        /// URL to the original image
        pub url: String,
        /// Width of the image
        pub width: isize,
        /// Height of the image
        pub height: isize,
        /// Positioning and size
        pub size: ImageSize,
    }

    /// Video
    pub struct Video {
        /// URL to the original video
        pub url: String,
        /// Width of the video
        pub width: isize,
        /// Height of the video
        pub height: isize,
    }

    /// Type of remote Twitch content
    pub enum TwitchType {
        Channel,
        Video,
        Clip,
    }

    /// Type of remote Lightspeed.tv content
    pub enum LightspeedType {
        Channel,
    }

    /// Type of remote Bandcamp content
    pub enum BandcampType {
        Album,
        Track,
    }

    /// Information about special remote content
    #[serde(tag = "type")]
    pub enum Special {
        /// No remote content
        None,
        /// Content hint that this contains a GIF
        ///
        /// Use metadata to find video or image to play
        GIF,
        /// YouTube video
        YouTube {
            id: String,

            #[serde(skip_serializing_if = "Option::is_none")]
            timestamp: Option<String>,
        },
        /// Lightspeed.tv stream
        Lightspeed {
            content_type: LightspeedType,
            id: String,
        },
        /// Twitch stream or clip
        Twitch {
            content_type: TwitchType,
            id: String,
        },
        /// Spotify track
        Spotify { content_type: String, id: String },
        /// Soundcloud track
        Soundcloud,
        /// Bandcamp track
        Bandcamp {
            content_type: BandcampType,
            id: String,
        },
        /// Streamable Video
        Streamable { id: String },
    }

    /// Website metadata
    pub struct WebsiteMetadata {
        /// Direct URL to web page
        #[serde(skip_serializing_if = "Option::is_none")]
        url: Option<String>,
        /// Original direct URL
        #[serde(skip_serializing_if = "Option::is_none")]
        original_url: Option<String>,
        /// Remote content
        #[serde(skip_serializing_if = "Option::is_none")]
        special: Option<Special>,

        /// Title of website
        #[serde(skip_serializing_if = "Option::is_none")]
        title: Option<String>,
        /// Description of website
        #[serde(skip_serializing_if = "Option::is_none")]
        description: Option<String>,
        /// Embedded image
        #[serde(skip_serializing_if = "Option::is_none")]
        image: Option<Image>,
        /// Embedded video
        #[serde(skip_serializing_if = "Option::is_none")]
        video: Option<Video>,

        // #[serde(skip_serializing_if = "Option::is_none")]
        // opengraph_type: Option<String>,
        /// Site name
        #[serde(skip_serializing_if = "Option::is_none")]
        site_name: Option<String>,
        /// URL to site icon
        #[serde(skip_serializing_if = "Option::is_none")]
        icon_url: Option<String>,
        /// CSS Colour
        #[serde(skip_serializing_if = "Option::is_none")]
        colour: Option<String>,
    }

    /// Text Embed
    pub struct Text {
        /// URL to icon
        #[serde(skip_serializing_if = "Option::is_none")]
        pub icon_url: Option<String>,
        /// URL for title
        #[serde(skip_serializing_if = "Option::is_none")]
        pub url: Option<String>,
        /// Title of text embed
        #[serde(skip_serializing_if = "Option::is_none")]
        pub title: Option<String>,
        /// Description of text embed
        #[serde(skip_serializing_if = "Option::is_none")]
        pub description: Option<String>,
        /// ID of uploaded autumn file
        #[serde(skip_serializing_if = "Option::is_none")]
        pub media: Option<File>,
        /// CSS Colour
        #[serde(skip_serializing_if = "Option::is_none")]
        pub colour: Option<String>,
    }

    /// Embed
    #[serde(tag = "type")]
    pub enum Embed {
        Website(WebsiteMetadata),
        Image(Image),
        Video(Video),
        Text(Text),
        None,
    }
);