smart-tree 8.0.0

// Rust Shell - "The ultimate collaborative interface!" 🚀
// Cast to any screen, control any display, seamless voice transitions
// "Why have one interface when you can have them ALL?" - Hue

use anyhow::{Context, Result};
use serde::{Deserialize, Serialize};
use std::collections::HashMap;
use std::sync::Arc;
use tokio::sync::{Mutex, RwLock};

// Display targets
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum DisplayTarget {
    AppleTV {
        name: String,
        address: String,
    },
    Chromecast {
        name: String,
        uuid: String,
    },
    Miracast {
        name: String,
        address: String,
    },
    ESP32Display {
        name: String,
        address: String,
        width: u16,
        height: u16,
    },
    WebDashboard {
        port: u16,
    },
    Terminal, // Local terminal
    Voice,    // Voice-only mode
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct OutputMode {
    pub verbosity: VerbosityLevel,
    pub format: OutputFormat,
    pub theme: String,
    pub screen_config: ScreenConfig,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum VerbosityLevel {
    Verbose, // Full output for screens
    Normal,  // Standard output
    Concise, // Reduced for small screens
    Minimal, // Voice mode - just essentials
    Silent,  // Actions only, no output
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum OutputFormat {
    Text,
    HTML,
    Markdown,
    JSON,
    Graphics, // For capable displays
    Voice,    // TTS-optimized
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ScreenConfig {
    pub width: u16,
    pub height: u16,
    pub color_depth: u8,
    pub refresh_rate: u8,
    pub capabilities: Vec<String>, // ["color", "touch", "audio"]
}

// The main shell structure
pub struct RustShell {
    displays: Arc<RwLock<HashMap<String, DisplayTarget>>>,
    active_display: Arc<RwLock<Option<String>>>,
    pub output_mode: Arc<RwLock<OutputMode>>,
    mcp_interface: Arc<MCPInterface>,
    cast_manager: Arc<CastManager>,
    voice_detector: Arc<VoiceDetector>,
    command_history: Arc<Mutex<Vec<String>>>,
    context_state: Arc<RwLock<ContextState>>,
}

// MCP/Binary API Interface
struct MCPInterface {
    socket: Arc<Mutex<Option<tokio::net::TcpStream>>>,
    binary_api: BinaryAPI,
}

type EndpointHandler = Box<dyn Fn(&[u8]) -> Vec<u8> + Send + Sync>;

struct BinaryAPI {
    endpoints: HashMap<String, EndpointHandler>,
}

// Casting manager for different protocols
struct CastManager {
    airplay: Option<AirPlayCaster>,
    chromecast: Option<ChromecastCaster>,
    miracast: Option<MiracastCaster>,
    esp32: Option<ESP32Caster>,
    web_server: Option<WebDashboardServer>,
}

// Voice detection and mode switching
struct VoiceDetector {
    audio_active: Arc<RwLock<bool>>,
    last_voice_time: Arc<RwLock<std::time::Instant>>,
}

// Context awareness
#[derive(Debug, Clone, Serialize, Deserialize)]
struct ContextState {
    user_location: UserLocation,
    active_project: Option<String>,
    conversation_mode: ConversationMode,
    screen_arrangement: Vec<(String, DisplayTarget)>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
enum UserLocation {
    AtDesk,
    Mobile,
    Remote,
    Voice,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
enum ConversationMode {
    Interactive, // Full interaction
    Monitoring,  // Just watching
    Voice,       // Voice commands
    Automated,   // Running scripts
}

impl RustShell {
    pub async fn new() -> Result<Self> {
        Ok(Self {
            displays: Arc::new(RwLock::new(HashMap::new())),
            active_display: Arc::new(RwLock::new(None)),
            output_mode: Arc::new(RwLock::new(OutputMode::default())),
            mcp_interface: Arc::new(MCPInterface::new().await?),
            cast_manager: Arc::new(CastManager::new().await?),
            voice_detector: Arc::new(VoiceDetector::new()),
            command_history: Arc::new(Mutex::new(Vec::new())),
            context_state: Arc::new(RwLock::new(ContextState::default())),
        })
    }

    /// Discover available displays
    pub async fn discover_displays(&self) -> Result<Vec<DisplayTarget>> {
        let mut discovered = Vec::new();

        // Discover Apple TVs via Bonjour/mDNS
        if let Some(airplay) = &self.cast_manager.airplay {
            discovered.extend(airplay.discover().await?);
        }

        // Discover Chromecasts
        if let Some(chromecast) = &self.cast_manager.chromecast {
            discovered.extend(chromecast.discover().await?);
        }

        // Discover ESP32 displays on network
        if let Some(esp32) = &self.cast_manager.esp32 {
            discovered.extend(esp32.discover().await?);
        }

        // Always have terminal and voice
        discovered.push(DisplayTarget::Terminal);
        discovered.push(DisplayTarget::Voice);

        Ok(discovered)
    }

    /// Cast to a specific display
    pub async fn cast_to(&self, target: &DisplayTarget, content: &str) -> Result<()> {
        // Adapt output based on target
        let adapted_content = self.adapt_content_for_display(content, target).await?;

        match target {
            DisplayTarget::AppleTV { address, .. } => {
                self.cast_manager
                    .airplay
                    .as_ref()
                    .context("AirPlay not available")?
                    .cast(address, &adapted_content)
                    .await?
            }
            DisplayTarget::Chromecast { uuid, .. } => {
                self.cast_manager
                    .chromecast
                    .as_ref()
                    .context("Chromecast not available")?
                    .cast(uuid, &adapted_content)
                    .await?
            }
            DisplayTarget::ESP32Display {
                address,
                width,
                height,
                ..
            } => {
                // Format for small display
                let formatted = self.format_for_small_display(&adapted_content, *width, *height);
                self.cast_manager
                    .esp32
                    .as_ref()
                    .context("ESP32 caster not available")?
                    .send(address, &formatted)
                    .await?
            }
            DisplayTarget::WebDashboard { port: _ } => {
                // Update web dashboard
                self.cast_manager
                    .web_server
                    .as_ref()
                    .context("Web server not running")?
                    .update_dashboard(&adapted_content)
                    .await?
            }
            DisplayTarget::Terminal => {
                println!("{}", adapted_content);
            }
            DisplayTarget::Voice => {
                // Convert to speech-friendly format
                let voice_text = self.make_voice_friendly(&adapted_content);
                self.speak(&voice_text).await?;
            }
            _ => {}
        }

        Ok(())
    }

    /// Adapt content based on display capabilities
    async fn adapt_content_for_display(
        &self,
        content: &str,
        target: &DisplayTarget,
    ) -> Result<String> {
        let _mode = self.output_mode.read().await;

        match target {
            DisplayTarget::Voice => {
                // Ultra-concise for voice
                Ok(self.make_voice_friendly(content))
            }
            DisplayTarget::ESP32Display { width, height, .. } => {
                // Format for tiny screen
                Ok(self.format_for_small_display(content, *width, *height))
            }
            DisplayTarget::AppleTV { .. } | DisplayTarget::Chromecast { .. } => {
                // Rich HTML for TV displays
                Ok(self.format_as_rich_html(content))
            }
            _ => Ok(content.to_string()),
        }
    }

    /// Detect voice mode and adjust verbosity
    pub async fn detect_voice_transition(&self) -> Result<()> {
        let detector = &self.voice_detector;

        // Check if audio input is active
        let audio_active = detector.is_audio_active().await?;

        if audio_active {
            // Switch to minimal verbosity
            let mut mode = self.output_mode.write().await;
            mode.verbosity = VerbosityLevel::Minimal;
            mode.format = OutputFormat::Voice;

            // Update active display
            let mut active = self.active_display.write().await;
            *active = Some("voice".to_string());

            println!("🎤 Voice mode activated - switching to concise output");
        }

        Ok(())
    }

    /// Execute command through MCP/Binary API
    pub async fn execute(&self, command: &str) -> Result<String> {
        // Parse command
        let parts: Vec<&str> = command.split_whitespace().collect();

        if parts.is_empty() {
            return Ok(String::new());
        }

        match parts[0] {
            "cast" => {
                // cast <target> <content>
                if parts.len() >= 2 {
                    let target_name = parts[1];
                    let content = parts[2..].join(" ");
                    self.cast_by_name(target_name, &content).await
                } else {
                    Ok("Usage: cast <target> <content>".to_string())
                }
            }
            "discover" => {
                // Discover available displays
                let displays = self.discover_displays().await?;
                Ok(format!(
                    "Found {} displays:\n{:#?}",
                    displays.len(),
                    displays
                ))
            }
            "mode" => {
                // Switch output mode
                if parts.len() >= 2 {
                    self.set_mode(parts[1]).await
                } else {
                    Ok(format!(
                        "Current mode: {:?}",
                        self.output_mode.read().await.verbosity
                    ))
                }
            }
            "dashboard" => {
                // Start web dashboard
                self.start_dashboard(8888).await?;
                Ok("Dashboard started on http://localhost:8888".to_string())
            }
            _ => {
                // Forward to MCP
                self.mcp_interface.execute(command).await
            }
        }
    }

    /// Cast to display by name
    async fn cast_by_name(&self, name: &str, content: &str) -> Result<String> {
        let displays = self.displays.read().await;

        if let Some(target) = displays.get(name) {
            self.cast_to(target, content).await?;
            Ok(format!("Cast to {} complete", name))
        } else {
            Ok(format!("Display '{}' not found", name))
        }
    }

    /// Set output mode
    async fn set_mode(&self, mode_str: &str) -> Result<String> {
        let mut mode = self.output_mode.write().await;

        match mode_str {
            "verbose" => mode.verbosity = VerbosityLevel::Verbose,
            "normal" => mode.verbosity = VerbosityLevel::Normal,
            "concise" => mode.verbosity = VerbosityLevel::Concise,
            "minimal" => mode.verbosity = VerbosityLevel::Minimal,
            "voice" => {
                mode.verbosity = VerbosityLevel::Minimal;
                mode.format = OutputFormat::Voice;
            }
            _ => return Ok(format!("Unknown mode: {}", mode_str)),
        }

        Ok(format!("Mode set to: {}", mode_str))
    }

    /// Start web dashboard
    async fn start_dashboard(&self, port: u16) -> Result<()> {
        // This would start a web server for the dashboard
        println!("Starting dashboard on port {}...", port);
        // Implementation would go here
        Ok(())
    }

    /// Format content for small displays
    fn format_for_small_display(&self, content: &str, width: u16, height: u16) -> String {
        // Truncate and format for tiny screens
        let chars_per_line = (width / 8) as usize; // Assuming 8px char width
        let max_lines = (height / 16) as usize; // Assuming 16px line height

        content
            .lines()
            .take(max_lines)
            .map(|line| {
                if line.len() > chars_per_line {
                    format!("{}...", &line[..chars_per_line.saturating_sub(3)])
                } else {
                    line.to_string()
                }
            })
            .collect::<Vec<_>>()
            .join("\n")
    }

    /// Convert to voice-friendly format
    fn make_voice_friendly(&self, content: &str) -> String {
        // Remove special characters, simplify
        content
            .replace("```", "code block")
            .replace("##", "section")
            .replace("*", "")
            .replace("_", "")
            .lines()
            .filter(|line| !line.trim().is_empty())
            .take(5) // Just key points
            .collect::<Vec<_>>()
            .join(". ")
    }

    /// Format as rich HTML for TV displays
    fn format_as_rich_html(&self, content: &str) -> String {
        format!(
            r#"
<!DOCTYPE html>
<html>
<head>
    <style>
        body {{
            font-family: 'SF Pro Display', -apple-system, sans-serif;
            background: linear-gradient(135deg, #1e3c72, #2a5298);
            color: white;
            padding: 50px;
            font-size: 24px;
            line-height: 1.6;
        }}
        pre {{
            background: rgba(0,0,0,0.3);
            padding: 20px;
            border-radius: 10px;
            overflow-x: auto;
        }}
        h1 {{
            font-size: 48px;
            margin-bottom: 30px;
        }}
        .terminal {{
            font-family: 'SF Mono', monospace;
            background: black;
            color: #00ff00;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.5);
        }}
    </style>
</head>
<body>
    <div class="terminal">
        <pre>{}</pre>
    </div>
</body>
</html>
        "#,
            html_escape::encode_text(content)
        )
    }

    /// Speak text (would interface with TTS)
    async fn speak(&self, text: &str) -> Result<()> {
        println!("🔊 Speaking: {}", text);
        // TTS implementation would go here
        Ok(())
    }
}

// Placeholder implementations for casters
struct AirPlayCaster;
struct ChromecastCaster;
struct MiracastCaster;
struct ESP32Caster;
struct WebDashboardServer;

impl AirPlayCaster {
    async fn discover(&self) -> Result<Vec<DisplayTarget>> {
        // Would use Bonjour/mDNS to discover
        Ok(vec![])
    }

    async fn cast(&self, _address: &str, _content: &str) -> Result<()> {
        // Would implement AirPlay protocol
        Ok(())
    }
}

impl ChromecastCaster {
    async fn discover(&self) -> Result<Vec<DisplayTarget>> {
        // Would use mDNS to discover Chromecasts
        Ok(vec![])
    }

    async fn cast(&self, _uuid: &str, _content: &str) -> Result<()> {
        // Would implement Chromecast protocol
        Ok(())
    }
}

impl MiracastCaster {
    async fn discover(&self) -> Result<Vec<DisplayTarget>> {
        Ok(vec![])
    }
}

impl ESP32Caster {
    async fn discover(&self) -> Result<Vec<DisplayTarget>> {
        // Would scan for ESP32 devices
        Ok(vec![])
    }

    async fn send(&self, _address: &str, _content: &str) -> Result<()> {
        // Would send via WiFi/BLE to ESP32
        Ok(())
    }
}

impl WebDashboardServer {
    async fn update_dashboard(&self, _content: &str) -> Result<()> {
        // Would update WebSocket clients
        Ok(())
    }
}

impl CastManager {
    async fn new() -> Result<Self> {
        Ok(Self {
            airplay: Some(AirPlayCaster),
            chromecast: Some(ChromecastCaster),
            miracast: Some(MiracastCaster),
            esp32: Some(ESP32Caster),
            web_server: Some(WebDashboardServer),
        })
    }
}

impl MCPInterface {
    async fn new() -> Result<Self> {
        Ok(Self {
            socket: Arc::new(Mutex::new(None)),
            binary_api: BinaryAPI {
                endpoints: HashMap::new(),
            },
        })
    }

    async fn execute(&self, command: &str) -> Result<String> {
        // Would forward to MCP server
        Ok(format!("MCP: {}", command))
    }
}

impl VoiceDetector {
    fn new() -> Self {
        Self {
            audio_active: Arc::new(RwLock::new(false)),
            last_voice_time: Arc::new(RwLock::new(std::time::Instant::now())),
        }
    }

    async fn is_audio_active(&self) -> Result<bool> {
        Ok(*self.audio_active.read().await)
    }
}

impl Default for OutputMode {
    fn default() -> Self {
        Self {
            verbosity: VerbosityLevel::Normal,
            format: OutputFormat::Text,
            theme: "default".to_string(),
            screen_config: ScreenConfig {
                width: 1920,
                height: 1080,
                color_depth: 24,
                refresh_rate: 60,
                capabilities: vec!["color".to_string()],
            },
        }
    }
}

impl Default for ContextState {
    fn default() -> Self {
        Self {
            user_location: UserLocation::AtDesk,
            active_project: None,
            conversation_mode: ConversationMode::Interactive,
            screen_arrangement: Vec::new(),
        }
    }
}

/// The main shell entry point
pub async fn start_rust_shell() -> Result<()> {
    println!("🚀 Rust Shell - Ultimate Collaborative Interface\n");
    println!("Cast to any screen, seamless voice transitions!\n");

    let shell = RustShell::new().await?;

    // Discover displays
    println!("🔍 Discovering displays...");
    let displays = shell.discover_displays().await?;
    println!("Found {} displays", displays.len());

    // Main loop
    loop {
        // Check for voice transition
        shell.detect_voice_transition().await?;

        // Read command
        use std::io::{self, Write};
        print!("rust-shell> ");
        io::stdout().flush()?;

        let mut input = String::new();
        io::stdin().read_line(&mut input)?;

        let input = input.trim();
        if input == "exit" {
            break;
        }

        // Execute command
        match shell.execute(input).await {
            Ok(output) => println!("{}", output),
            Err(e) => eprintln!("Error: {}", e),
        }
    }

    Ok(())
}

// Extension for HTML escaping
mod html_escape {
    pub fn encode_text(text: &str) -> String {
        text.replace('&', "&amp;")
            .replace('<', "&lt;")
            .replace('>', "&gt;")
            .replace('"', "&quot;")
            .replace('\'', "&#39;")
    }
}