Merge pull request #1 from FxQnLr/eta

Eta

1 files changed, 117 insertions, 14 deletions

diff --git a/src/requests/start.rs b/src/requests/start.rs
index 30f65b9..ca4ca44 100644
--- a/src/requests/start.rs
+++ b/src/requests/start.rs
@@ -1,49 +1,152 @@
+use futures_util::{StreamExt, SinkExt};
+use indicatif::{MultiProgress, ProgressBar};
 use reqwest::StatusCode;
 use serde::Deserialize;
+use tokio_tungstenite::{connect_async, tungstenite::Message};
 
-use crate::{config::SETTINGS, error::CliError, default_headers, ErrorResponse};
+use crate::{error::CliError, default_headers, ErrorResponse, format_url, Protocols, OVERVIEW_STYLE, DEFAULT_STYLE, DONE_STYLE, finish_pb, ERROR_STYLE, OVERVIEW_ERROR, OVERVIEW_DONE, add_pb};
 
-pub fn start(id: String) -> Result<(), CliError> {
-    let res = reqwest::blocking::Client::new()
-        .post(
-            format!(
-                "{}/start",
-                SETTINGS.get_string("server").map_err(CliError::Config)?
-            )
-        )
+pub async fn start(id: String, ping: bool) -> Result<(), CliError> {
+
+    let send_start = MultiProgress::new();
+    let overview = add_pb(&send_start, OVERVIEW_STYLE, format!(") start {}", id));
+
+    // TODO: calculate average start-time on server
+    let url = format_url("start", Protocols::Http)?;
+    let connect = add_pb(&send_start, DEFAULT_STYLE, format!("connect to {}", url));
+    let res = reqwest::Client::new()
+        .post(url)
         .headers(default_headers()?)
         .body(
-            format!(r#"{{"id": "{}"}}"#, id)
+            format!(r#"{{"id": "{}", "ping": {}}}"#, id, ping)
         )
         .send()
+        .await
         .map_err(CliError::Reqwest)?;
+    finish_pb(connect, "connected, got response".to_string(), DONE_STYLE);
 
+    let res_pb = add_pb(&send_start, DEFAULT_STYLE, "analyzing response".to_string());
     match res.status() {
         StatusCode::OK => {
             let body = serde_json::from_str::<StartResponse>(
-                &res.text().map_err(CliError::Reqwest)?
+                &res.text().await.map_err(CliError::Reqwest)?
             )
             .map_err(CliError::Serde)?;
 
             if body.boot {
-                println!("successfully started {}", body.id);
+                finish_pb(res_pb, "sent start packet".to_string(), DONE_STYLE);
+            }
+
+            if ping {
+                let status = status_socket(body.uuid, &send_start, &overview, id).await?;
+                if status {
+                    finish_pb(overview, format!("successfully started {}", body.id), OVERVIEW_DONE);
+                } else {
+                    finish_pb(overview, format!("error while starting {}", body.id), OVERVIEW_ERROR);
+                }
             }
         },
         _ => {
             let body = serde_json::from_str::<ErrorResponse>(
-                &res.text().map_err(CliError::Reqwest)?
+                &res.text().await.map_err(CliError::Reqwest)?
             )
             .map_err(CliError::Serde)?;
 
-            println!("got error: {}", body.error);
+            res_pb.finish_with_message(format!("✗ got error: {}", body.error));
         }
     }
 
     Ok(())
 }
 
+async fn status_socket(uuid: String, pb: &MultiProgress, overview: &ProgressBar, id: String) -> Result<bool, CliError> {
+    // TODO: Remove unwraps
+    let ws_pb = add_pb(pb, DEFAULT_STYLE, "connect to websocket".to_string());
+    let (mut ws_stream, _response) = connect_async(format_url("status", Protocols::Websocket)?)
+        .await
+        .expect("Failed to connect");
+    finish_pb(ws_pb, "connected to websocket".to_string(), DONE_STYLE);
+    
+    ws_stream.send(Message::Text(uuid.clone())).await.unwrap();
+    
+    // Get ETA
+    let eta_msg = ws_stream.next().await.unwrap().unwrap();
+    let eta = get_eta(eta_msg.into_text().unwrap(), uuid.clone())? + overview.elapsed().as_secs();
+    overview.set_message(format!("/{}) start {}", eta, id));
+
+    let msg_pb = add_pb(pb, DEFAULT_STYLE, "await message".to_string());
+    let msg = ws_stream.next().await.unwrap();
+    finish_pb(msg_pb, "received message".to_string(), DONE_STYLE);
+
+    ws_stream.close(None).await.unwrap();
+
+    let v_pb = add_pb(pb, DEFAULT_STYLE, "verify response".to_string());
+    let res = verify_response(msg.unwrap().to_string(), uuid)?;
+    match res {
+        Verified::WrongUuid => {
+            finish_pb(v_pb, "returned wrong uuid".to_string(), ERROR_STYLE);
+            Ok(false)
+        },
+        Verified::ResponseType(res_type) => {
+            match res_type {
+                ResponseType::Start => {
+                    finish_pb(v_pb, "device started".to_string(), DONE_STYLE);
+                    Ok(true)
+                },
+                ResponseType::Timeout => {
+                    finish_pb(v_pb, "ping timed out".to_string(), ERROR_STYLE);
+                    Ok(false)
+                },
+                ResponseType::NotFound => {
+                    finish_pb(v_pb, "unknown uuid".to_string(), ERROR_STYLE);
+                    Ok(false)
+                },
+            }
+        }
+    }
+}
+
+fn get_eta(msg: String, uuid: String) -> Result<u64, CliError> {
+    let spl: Vec<&str> = msg.split('_').collect();
+    if (spl[0] != "eta") || (spl[2] != uuid) { return Err(CliError::WsResponse); };
+    Ok(u64::from_str_radix(spl[1], 10).map_err(CliError::Parse)?)
+}
+
+fn verify_response(res: String, org_uuid: String) -> Result<Verified, CliError> {
+    let spl: Vec<&str> = res.split('_').collect();
+    let res_type = spl[0];
+    let uuid = spl[1];
+    
+    if uuid != org_uuid { return Ok(Verified::WrongUuid) };
+    
+    Ok(Verified::ResponseType(ResponseType::from(res_type)?))
+}
+
 #[derive(Debug, Deserialize)]
 struct StartResponse {
     boot: bool,
     id: String,
+    uuid: String,
+}
+
+enum Verified {
+    ResponseType(ResponseType),
+    WrongUuid
+}
+
+enum ResponseType {
+    Start,
+    Timeout,
+    NotFound,
+}
+
+impl ResponseType {
+    fn from(value: &str) -> Result<Self, CliError> {
+        match value {
+            "start" => Ok(ResponseType::Start),
+            "timeout" => Ok(ResponseType::Timeout),
+            "notfound" => Ok(ResponseType::NotFound),
+            _ => Err(CliError::WsResponse),
+        }
+    }
 }