use crate::app::GPSApp;
use crate::logger;
use crate::settings::Settings;
use crate::GPS_INFO;
use async_tungstenite::gio::connect_async;
use futures::StreamExt;
use serde::{Deserialize, Serialize};

///https://gitlab.freedesktop.org/thiblahute/gst-plugins-rs/-/blob/tracerserver
//https://blog.devgenius.io/getting-started-with-websockets-and-json-data-in-rust-84434ddbfc21
///GST_TRACERS=wsserver gst-launch-1.0 videotestsrc ! autovideosink

#[derive(Debug, Serialize, Deserialize, Default)]
struct WSMessage {
    #[serde(rename = "type")]
    msg_type: String,
    #[serde(rename = "object-id")]
    #[serde(default)]
    object_id: u64,
    #[serde(rename = "src-id")]
    #[serde(default)]
    src_id: u64,
    #[serde(rename = "sink-id")]
    #[serde(default)]
    sink_id: u64,
    #[serde(rename = "pad-id")]
    #[serde(default)]
    pad_id: u64,
    #[serde(rename = "object-name")]
    #[serde(default)]
    object_name: Option<String>,
    #[serde(rename = "object-gtype")]
    #[serde(default)]
    object_gtype: Option<String>,
    #[serde(rename = "element-factory")]
    #[serde(default)]
    element_factory: Option<String>,
    #[serde(rename = "property-name")]
    #[serde(default)]
    property_name: Option<String>,
    #[serde(rename = "property-value")]
    #[serde(default)]
    property_value: Option<String>,
}

pub async fn run(app: &GPSApp) {
    let connect_addr = Settings::websocket_description();

    if let Ok((ws_stream, _)) = connect_async(connect_addr).await {
        GPS_INFO!("WebSocket handshake has been successfully completed");

        let (_write, mut read) = ws_stream.split();
        app.clear_graph();
        while let Some(message) = read.next().await {
            //GPS_INFO!("{message:?}");

            let ws_msg: WSMessage =
                serde_json::from_str(message.unwrap().into_text().unwrap().as_str()).unwrap();
            GPS_INFO!("{ws_msg:?}");
            if ws_msg.msg_type == "new-object" {
                GPS_INFO!("{ws_msg:?}");
                if let Some(factory_name) = ws_msg.element_factory {
                    if factory_name != "pipeline" {
                        app.add_new_element(factory_name.as_str());
                    }
                }
            }
        }
    }
}