From ac2a3cdd9fc5e458b50de47632f3295041de79da Mon Sep 17 00:00:00 2001
From: Joscha <joscha@plugh.de>
Date: Thu, 26 Jan 2023 18:42:46 +0100
Subject: [PATCH] Add testbot_commands example

---
 examples/testbot_commands.rs | 145 +++++++++++++++++++++++++++++++++++
 1 file changed, 145 insertions(+)
 create mode 100644 examples/testbot_commands.rs

diff --git a/examples/testbot_commands.rs b/examples/testbot_commands.rs
new file mode 100644
index 0000000..34ed170
--- /dev/null
+++ b/examples/testbot_commands.rs
@@ -0,0 +1,145 @@
+// TODO Add description
+// TODO Clean up and unify test bots
+
+use std::sync::Arc;
+
+use async_trait::async_trait;
+use clap::Parser;
+use euphoxide::api::Message;
+use euphoxide::bot::botrulez::{FullHelp, HasDescriptions, HasStartTime, Ping, ShortHelp, Uptime};
+use euphoxide::bot::command::{Clap, ClapCommand, Context, General, Global, Hidden, Specific};
+use euphoxide::bot::commands::Commands;
+use euphoxide::bot::instance::{Event, ServerConfig};
+use euphoxide::bot::instances::Instances;
+use euphoxide::conn;
+use log::error;
+use time::OffsetDateTime;
+use tokio::sync::mpsc;
+
+const HELP: &str = "I'm an example bot for https://github.com/Garmelon/euphoxide";
+
+/// Kill this bot.
+#[derive(Parser)]
+struct KillArgs;
+
+struct Kill;
+
+#[async_trait]
+impl ClapCommand<Bot, conn::Error> for Kill {
+    type Args = KillArgs;
+
+    async fn execute(
+        &self,
+        _args: Self::Args,
+        msg: &Message,
+        ctx: &Context,
+        bot: &mut Bot,
+    ) -> Result<(), conn::Error> {
+        bot.stop = true;
+        ctx.reply(msg.id, "/me dies").await?;
+        Ok(())
+    }
+}
+
+/// Do some testing.
+#[derive(Parser)]
+struct TestArgs {
+    /// How much testing to do.
+    #[arg(default_value_t = 1)]
+    amount: u64,
+}
+
+struct Test;
+
+#[async_trait]
+impl ClapCommand<Bot, conn::Error> for Test {
+    type Args = TestArgs;
+
+    async fn execute(
+        &self,
+        args: Self::Args,
+        msg: &Message,
+        ctx: &Context,
+        _bot: &mut Bot,
+    ) -> Result<(), conn::Error> {
+        let content = if args.amount == 1 {
+            format!("/me did {} test", args.amount)
+        } else {
+            format!("/me did {} tests", args.amount)
+        };
+        ctx.reply(msg.id, content).await?;
+        Ok(())
+    }
+}
+
+struct Bot {
+    commands: Arc<Commands<Self, conn::Error>>,
+    start_time: OffsetDateTime,
+    stop: bool,
+}
+
+impl HasDescriptions for Bot {
+    fn descriptions(&self, ctx: &Context) -> Vec<String> {
+        self.commands.descriptions(ctx)
+    }
+}
+
+impl HasStartTime for Bot {
+    fn start_time(&self) -> OffsetDateTime {
+        self.start_time
+    }
+}
+
+#[tokio::main]
+async fn main() {
+    let (tx, mut rx) = mpsc::unbounded_channel();
+    let mut instances = Instances::new(ServerConfig::default());
+
+    let mut cmds = Commands::new();
+    cmds.add(Hidden(General::new("ping", Clap(Ping::default()))));
+    cmds.add(Specific::new("ping", Clap(Ping::default())));
+    cmds.add(Hidden(General::new("help", Clap(ShortHelp::new(HELP)))));
+    cmds.add(Specific::new("help", Clap(FullHelp::new(HELP, ""))));
+    cmds.add(Specific::new("uptime", Clap(Uptime)));
+    cmds.add(Specific::new("kill", Clap(Kill)));
+    cmds.add(Global::new("test", Clap(Test)));
+    let cmds = Arc::new(cmds);
+
+    let mut bot = Bot {
+        commands: cmds.clone(),
+        start_time: OffsetDateTime::now_utc(),
+        stop: false,
+    };
+
+    for room in ["test", "test2", "testing"] {
+        let tx_clone = tx.clone();
+        let instance = instances
+            .server_config()
+            .clone()
+            .room(room)
+            .username(Some("TestBot"))
+            .build(move |e| {
+                let _ = tx_clone.send(e);
+            });
+        instances.add(instance);
+    }
+
+    while let Some(event) = rx.recv().await {
+        instances.purge();
+        if instances.is_empty() {
+            break;
+        }
+
+        if let Event::Packet(config, packet, snapshot) = event {
+            let result = cmds
+                .handle_packet(&config, &packet, &snapshot, &mut bot)
+                .await;
+            if let Err(err) = result {
+                error!("{err}");
+            }
+            if bot.stop {
+                break;
+            }
+        }
+    }
+}