1 files changed, 368 insertions, 0 deletions

diff --git a/src/events/mod.rs b/src/events/mod.rs
new file mode 100644
index 0000000..457ebcd
--- /dev/null
+++ b/src/events/mod.rs
@@ -0,0 +1,368 @@
+use chrono::{Local, Utc};
+use poise::serenity_prelude as serenity;
+use rand::seq::IndexedRandom;
+use tracing::{info, warn};
+
+use crate::Data;
+use crate::database::{self, VoiceActivity};
+use crate::error::Result;
+use crate::lang;
+
+pub async fn handle_ready(_ctx: &serenity::Context) -> Result<()> {
+    info!("{}", lang::L_EV_READY);
+    Ok(())
+}
+
+fn format_duration(seconds: f64) -> String {
+    let total = seconds as u64;
+    let hours = total / 3600;
+    let minutes = (total % 3600) / 60;
+    let secs = total % 60;
+    if hours > 0 {
+        format!("{hours}h {minutes}m {secs}s")
+    } else if minutes > 0 {
+        format!("{minutes}m {secs}s")
+    } else {
+        format!("{secs}s")
+    }
+}
+
+async fn play_tts_in_channel(
+    _ctx: &serenity::Context,
+    data: &Data,
+    guild_id: serenity::GuildId,
+    channel_id: serenity::ChannelId,
+    text: &str,
+) {
+    let tts_url = format!(
+        "https://translate.google.com/translate_tts?ie=UTF-8&q={}&tl=pl&client=tw-ob",
+        crate::commands::tts::urlencoding(text),
+    );
+
+    let audio_data = match data.http_client.get(&tts_url).send().await {
+        Ok(resp) => match resp.bytes().await {
+            Ok(b) => b,
+            Err(e) => {
+                warn!("Failed to read TTS audio bytes: {e}");
+                return;
+            }
+        },
+        Err(e) => {
+            warn!("Failed to fetch TTS audio: {e}");
+            return;
+        }
+    };
+
+    let call = match data.voice_manager.connect(guild_id, channel_id).await {
+        Ok(c) => c,
+        Err(e) => {
+            warn!("Failed to connect to voice for TTS: {e}");
+            return;
+        }
+    };
+
+    let input = match crate::voice::decode_audio(&audio_data) {
+        Ok(i) => i,
+        Err(e) => {
+            warn!("Failed to decode TTS audio: {e}");
+            return;
+        }
+    };
+
+    let mut call_lock = call.lock().await;
+    if call_lock.current_channel().is_some() {
+        call_lock.play_input(input);
+    }
+}
+
+pub async fn handle_voice_state_update(
+    ctx: &serenity::Context,
+    data: &Data,
+    old: Option<serenity::VoiceState>,
+    new: &serenity::VoiceState,
+) -> Result<()> {
+    let log_channel = data.config.status_channel_id.map(serenity::ChannelId::new);
+    let current_ts = Utc::now().timestamp();
+    let current_time = Local::now().format("%Y-%m-%d %H:%M:%S").to_string();
+
+    let user_id = new.user_id;
+    let guild_id = new.guild_id;
+
+    // skip bots (Python behavior)
+    let member = guild_id
+        .and_then(|gid| ctx.cache.guild(gid))
+        .and_then(|g| g.members.get(&user_id).cloned());
+    if let Some(ref m) = member {
+        if m.user.bot {
+            return Ok(());
+        }
+    }
+
+    let member_name = member
+        .as_ref()
+        .map(|m| m.user.name.clone())
+        .unwrap_or_default();
+    let display_name = member
+        .as_ref()
+        .map(|m| m.display_name().to_string())
+        .unwrap_or_default();
+
+    let now = current_ts as f64;
+
+    let user_id_str = user_id.to_string();
+    let mut va = database::get_voice_activity(&data.db_pool, &user_id_str)
+        .await?
+        .unwrap_or(VoiceActivity {
+            user_id: user_id_str.clone(),
+            join_time: 0.0,
+            total_active: 0.0,
+            total_afk: 0.0,
+            is_afk: 0,
+            afk_start: 0.0,
+            active_start: 0.0,
+            channel_name: String::new(),
+            last_updated: None,
+        });
+
+    let old_channel = old.as_ref().and_then(|v| v.channel_id);
+    let new_channel = new.channel_id;
+
+    let mut tts_text: Option<String> = None;
+    let mut tts_channel: Option<serenity::ChannelId> = None;
+
+    // ── JOIN ──
+    if old_channel.is_none() && new_channel.is_some() {
+        let cid = new_channel.unwrap();
+        let is_afk = new.self_mute || new.self_deaf;
+
+        va.join_time = now;
+        va.total_active = 0.0;
+        va.total_afk = 0.0;
+        va.is_afk = if is_afk { 1 } else { 0 };
+        va.afk_start = if is_afk { now } else { 0.0 };
+        va.active_start = if !is_afk { now } else { 0.0 };
+        va.channel_name = guild_id
+            .and_then(|gid| ctx.cache.guild(gid))
+            .map(|g| {
+                g.channels
+                    .get(&cid)
+                    .map(|c| c.name.clone())
+                    .unwrap_or_default()
+            })
+            .unwrap_or_default();
+        database::upsert_voice_activity(&data.db_pool, &va).await?;
+        info!("User {user_id} joined voice");
+
+        if let Some(lc) = log_channel {
+            let msg = format!(
+                "[{current_time}] {member_name} dołączył na {} <t:{current_ts}:R>",
+                va.channel_name
+            );
+            lc.say(ctx, &msg).await.ok();
+        }
+        tts_text = Some(lang::fmt_ev_joined(&display_name));
+        tts_channel = Some(cid);
+    }
+    // ── LEAVE ──
+    else if old_channel.is_some() && new_channel.is_none() {
+        let ocid = old_channel.unwrap();
+        let channel_name = guild_id
+            .and_then(|gid| ctx.cache.guild(gid))
+            .and_then(|g| g.channels.get(&ocid).map(|c| c.name.clone()))
+            .unwrap_or_default();
+
+        if va.join_time > 0.0 {
+            if va.is_afk == 1 {
+                va.total_afk += now - va.afk_start;
+            } else {
+                va.total_active += (now - va.active_start).max(0.0);
+            }
+
+            let active_str = format_duration(va.total_active);
+            let afk_str = format_duration(va.total_afk);
+
+            if let Some(lc) = log_channel {
+                let msg = format!(
+                    "[{current_time}] {member_name} rozłączył się z {} <t:{current_ts}:R>\n\
+                     Aktywny: {active_str} | AFK: {afk_str}",
+                    channel_name,
+                );
+                lc.say(ctx, &msg).await.ok();
+            }
+            info!("User {user_id} left voice");
+
+            database::upsert_voice_activity(&data.db_pool, &va).await?;
+        } else {
+            if let Some(lc) = log_channel {
+                let msg = format!(
+                    "[{current_time}] {member_name} rozłączył się z {channel_name} <t:{current_ts}:R>"
+                );
+                lc.say(ctx, &msg).await.ok();
+            }
+            info!("User {user_id} left voice (no data)");
+        }
+
+        tts_text = Some(lang::fmt_ev_left(&display_name));
+        tts_channel = Some(ocid);
+    }
+    // ── AFK STATE CHANGE (only for tracked users already in channel) ──
+    else if new_channel.is_some() && va.join_time > 0.0 {
+        let is_afk = new.self_mute || new.self_deaf;
+        let was_afk = va.is_afk == 1;
+
+        if was_afk && !is_afk {
+            // Return from AFK
+            let afk_duration = now - va.afk_start;
+            va.total_afk += afk_duration;
+            va.is_afk = 0;
+            va.afk_start = 0.0;
+            va.active_start = now;
+            database::upsert_voice_activity(&data.db_pool, &va).await?;
+
+            let afk_str = format_duration(afk_duration);
+            // Python behavior: after.self_mute is always false here so always "odgłuchnął"
+            let activity = if new.self_mute {
+                "odciszył"
+            } else {
+                "odgłuchnął"
+            };
+
+            if let Some(lc) = log_channel {
+                let msg = format!(
+                    "[{current_time}] {member_name} {activity} się na {} <t:{current_ts}:R>\n\
+                     AFK: {afk_str}",
+                    va.channel_name,
+                );
+                lc.say(ctx, &msg).await.ok();
+            }
+            info!("User {user_id} returned from AFK");
+        } else if !was_afk && is_afk {
+            // Went AFK
+            let active_duration = if va.active_start > 0.0 {
+                (now - va.active_start).max(0.0)
+            } else {
+                0.0
+            };
+            va.total_active += active_duration;
+            va.is_afk = 1;
+            va.afk_start = now;
+            va.active_start = 0.0;
+            database::upsert_voice_activity(&data.db_pool, &va).await?;
+
+            let active_str = format_duration(active_duration);
+            let activity = if new.self_mute {
+                "wyciszył"
+            } else {
+                "ogłuchnął"
+            };
+
+            if let Some(lc) = log_channel {
+                let msg = format!(
+                    "[{current_time}] {member_name} {activity} się na {} <t:{current_ts}:R>\n\
+                     Aktywny: {active_str}",
+                    va.channel_name,
+                );
+                lc.say(ctx, &msg).await.ok();
+            }
+            info!("User {user_id} went AFK");
+        }
+    }
+
+    // ── TTS for mute/deafen (deaf takes priority with early return) ──
+    if old.as_ref().map_or(false, |v| v.self_deaf) != new.self_deaf {
+        let phrase = if new.self_deaf {
+            lang::fmt_ev_deafened(&display_name)
+        } else {
+            lang::fmt_ev_undeafened(&display_name)
+        };
+        if let Some(gid) = guild_id {
+            if let Some(cid) = tts_channel.or(new_channel) {
+                play_tts_in_channel(ctx, data, gid, cid, &phrase).await;
+            }
+        }
+        return Ok(());
+    }
+
+    if old.as_ref().map_or(false, |v| v.self_mute) != new.self_mute {
+        let phrase = if new.self_mute {
+            lang::fmt_ev_muted(&display_name)
+        } else {
+            lang::fmt_ev_unmuted(&display_name)
+        };
+        if let Some(gid) = guild_id {
+            if let Some(cid) = tts_channel.or(new_channel) {
+                play_tts_in_channel(ctx, data, gid, cid, &phrase).await;
+            }
+        }
+        return Ok(());
+    }
+
+    // ── Play join/leave TTS if no mute/deafen change ──
+    if let (Some(text), Some(cid)) = (tts_text, tts_channel) {
+        if let Some(gid) = guild_id {
+            play_tts_in_channel(ctx, data, gid, cid, &text).await;
+        }
+    }
+
+    Ok(())
+}
+
+pub async fn handle_message(
+    ctx: &serenity::Context,
+    data: &Data,
+    new_message: &serenity::Message,
+) -> Result<()> {
+    if new_message.author.id == ctx.cache.current_user().id {
+        return Ok(());
+    }
+
+    let content_lower = new_message.content.to_lowercase();
+    let response_to_send = {
+        let triggers = data.triggers.lock().await;
+        let mut chosen = None;
+        for (_trigger, keywords, responses) in triggers.iter() {
+            if keywords.iter().any(|k| content_lower.contains(k)) {
+                chosen = responses.choose(&mut rand::rng()).cloned();
+                break;
+            }
+        }
+        chosen
+    };
+    if let Some(response) = response_to_send {
+        new_message.channel_id.say(ctx, response).await.ok();
+    }
+
+    let is_mention = new_message.mentions_user_id(ctx.cache.current_user().id);
+    let has_keyword = content_lower.contains(&data.config.assistant_keyword);
+
+    if (is_mention || has_keyword) && data.config.openrouter_api_key.is_some() {
+        let api_key = data.config.openrouter_api_key.clone().unwrap();
+        let model = data.config.openrouter_model.clone().unwrap_or_else(|| {
+            "cognitivecomputations/dolphin-mistral-24b-venice-edition:free".into()
+        });
+
+        let client = crate::openrouter::OpenRouterClient::new(api_key, model);
+        let assistant_prompt = lang::ASSISTANT_SYSTEM_PROMPT;
+
+        let mut messages = Vec::new();
+        let mut current_msg = Some(new_message.clone());
+        for _ in 0..5 {
+            if let Some(msg) = current_msg {
+                messages.push(("user".into(), msg.content.clone()));
+                current_msg = match msg.message_reference.and_then(|r| r.message_id) {
+                    Some(ref_id) => msg.channel_id.message(ctx, ref_id).await.ok(),
+                    None => None,
+                };
+            } else {
+                break;
+            }
+        }
+        messages.reverse();
+
+        if let Ok(response) = client.chat_with_history(assistant_prompt, messages).await {
+            new_message.reply(ctx, response).await.ok();
+        }
+    }
+
+    Ok(())
+}