use color_eyre::Result;
use std::sync::Arc;
use crate::shared::state::AppState;
use crate::shared::models::BotResponse;
use tokio::sync::mpsc;
use uuid::Uuid;
pub struct ChatPanel {
 pub messages: Vec<String>,
 pub input_buffer: String,
 pub session_id: Uuid,
 pub user_id: Uuid,
 pub response_rx: Option<mpsc::Receiver<BotResponse>>,
}
impl ChatPanel {
 pub fn new(_app_state: Arc<AppState>) -> Self {
 Self {
 messages: vec!["Welcome to General Bots Console Chat!".to_string()],
 input_buffer: String::new(),
 session_id: Uuid::new_v4(),
 user_id: Uuid::new_v4(),
 response_rx: None,
 }
 }
 pub fn add_char(&mut self, c: char) {
 self.input_buffer.push(c);
 }
 pub fn backspace(&mut self) {
 self.input_buffer.pop();
 }
 pub async fn send_message(&mut self, bot_name: &str, app_state: &Arc<AppState>) -> Result<()> {
 if self.input_buffer.trim().is_empty() {
 return Ok(());
 }
 let message = self.input_buffer.clone();
 self.messages.push(format!("You: {}", message));
 self.input_buffer.clear();
 let bot_id = self.get_bot_id(bot_name, app_state).await?;
 let user_message = crate::shared::models::UserMessage {
 bot_id: bot_id.to_string(),
 user_id: self.user_id.to_string(),
 session_id: self.session_id.to_string(),
 channel: "console".to_string(),
 content: message,
 message_type: 1,
 media_url: None,
 timestamp: chrono::Utc::now(),
 context_name: None,
 };
 let (tx, rx) = mpsc::channel::<BotResponse>(100);
 self.response_rx = Some(rx);
let orchestrator = crate::bot::BotOrchestrator::new(app_state.clone());
let _ = orchestrator.stream_response(user_message, tx).await;
 Ok(())
 }
 pub async fn poll_response(&mut self, _bot_name: &str) -> Result<()> {
 if let Some(rx) = &mut self.response_rx {
 while let Ok(response) = rx.try_recv() {
 if !response.content.is_empty() && !response.is_complete {
 if let Some(last_msg) = self.messages.last_mut() {
 if last_msg.starts_with("Bot: ") {
 last_msg.push_str(&response.content);
 } else {
 self.messages.push(format!("Bot: {}", response.content));
 }
 } else {
 self.messages.push(format!("Bot: {}", response.content));
 }
 }
 if response.is_complete && response.content.is_empty() {
 break;
 }
 }
 }
 Ok(())
 }
 async fn get_bot_id(&self, bot_name: &str, app_state: &Arc<AppState>) -> Result<Uuid> {
 use crate::shared::models::schema::bots::dsl::*;
 use diesel::prelude::*;
 let mut conn = app_state.conn.get().unwrap();
 let bot_id = bots
 .filter(name.eq(bot_name))
 .select(id)
 .first::<Uuid>(&mut *conn)?;
 Ok(bot_id)
 }
 pub fn render(&self) -> String {
 let mut lines = Vec::new();
 lines.push("╔═══════════════════════════════════════╗".to_string());
 lines.push("║         CONVERSATION                  ║".to_string());
 lines.push("╚═══════════════════════════════════════╝".to_string());
 lines.push("".to_string());
 let visible_start = if self.messages.len() > 15 {
 self.messages.len() - 15
 } else {
 0
 };
 for msg in &self.messages[visible_start..] {
 if msg.starts_with("You: ") {
 lines.push(format!(" {}", msg));
 } else if msg.starts_with("Bot: ") {
 lines.push(format!(" {}", msg));
 } else {
 lines.push(format!(" {}", msg));
 }
 }
 lines.push("".to_string());
 lines.push("─────────────────────────────────────────".to_string());
 lines.push(format!(" > {}_", self.input_buffer));
 lines.push("".to_string());
 lines.push(" Enter: Send | Tab: Switch Panel".to_string());
 lines.join("\n")
 }
}