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use serde::{Deserialize, Serialize};

use crate::events::room::{MediaSource, ThumbnailInfo};

/// The payload for a location message.
#[derive(Clone, Debug, Deserialize, Serialize)]
#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
#[serde(tag = "msgtype", rename = "m.location")]
pub struct LocationMessageEventContent {
    /// A description of the location e.g. "Big Ben, London, UK", or some kind of content
    /// description for accessibility, e.g. "location attachment".
    pub body: String,

    /// A geo URI representing the location.
    pub geo_uri: String,

    /// Info about the location being represented.
    #[serde(skip_serializing_if = "Option::is_none")]
    pub info: Option<Box<LocationInfo>>,
}

impl LocationMessageEventContent {
    /// Creates a new `LocationMessageEventContent` with the given body and geo URI.
    pub fn new(body: String, geo_uri: String) -> Self {
        Self { body, geo_uri, info: None }
    }
}

/// Thumbnail info associated with a location.
#[derive(Clone, Debug, Default, Deserialize, Serialize)]
#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
pub struct LocationInfo {
    /// The source of a thumbnail of the location.
    #[serde(
        flatten,
        with = "crate::events::room::thumbnail_source_serde",
        skip_serializing_if = "Option::is_none"
    )]
    pub thumbnail_source: Option<MediaSource>,

    /// Metadata about the image referred to in `thumbnail_source.
    #[serde(skip_serializing_if = "Option::is_none")]
    pub thumbnail_info: Option<Box<ThumbnailInfo>>,
}

impl LocationInfo {
    /// Creates an empty `LocationInfo`.
    pub fn new() -> Self {
        Self::default()
    }
}