soma-core 2.0.0

use crate::edit_control::{
    ConditionalLogicSystem, Condition, ConditionType, ClassificationCriteria,
    TestConfiguration, ConditionalChain, ChainLink, ChainFailureStrategy,
    ConditionalApplicationResult, ModifiableEdit
};
use crate::classification::{EditCategory, EditRecommendation, EditPriority};
use std::io::{self, Write};
use crossterm::{
    terminal::{enable_raw_mode, disable_raw_mode, Clear, ClearType},
    event::{self, Event, KeyCode, KeyEvent},
    cursor,
    style::{Color, SetForegroundColor, ResetColor, SetBackgroundColor, Attribute, SetAttribute},
};

/// Interactive CLI for ConditionalLogicSystem
pub struct ConditionalLogicCLI {
    system: ConditionalLogicSystem,
    current_view: ConditionalView,
    selected_index: usize,
    scroll_offset: usize,
    message: Option<String>,
    input_buffer: String,
    input_mode: bool,
}

#[derive(Debug, Clone, PartialEq)]
pub enum ConditionalView {
    MainMenu,
    ConditionList,
    ChainList,
    SessionList,
    CreateCondition,
    CreateChain,
    ApplyConditional,
    ExecuteChain,
    ViewHistory,
    ConditionDetails(String),
    ChainDetails(String),
}

impl ConditionalLogicCLI {
    /// Create a new ConditionalLogicCLI instance
    pub fn new() -> Self {
        Self {
            system: ConditionalLogicSystem::new(),
            current_view: ConditionalView::MainMenu,
            selected_index: 0,
            scroll_offset: 0,
            message: None,
            input_buffer: String::new(),
            input_mode: false,
        }
    }

    /// Run the interactive CLI
    pub fn run(&mut self) -> Result<(), Box<dyn std::error::Error>> {
        enable_raw_mode()?;
        
        let result = self.run_loop();
        
        disable_raw_mode()?;
        result
    }

    /// Main event loop
    fn run_loop(&mut self) -> Result<(), Box<dyn std::error::Error>> {
        loop {
            self.draw()?;
            
            if let Event::Key(key_event) = event::read()? {
                if self.handle_key_event(key_event)? {
                    break; // Exit requested
                }
            }
        }
        Ok(())
    }

    /// Handle keyboard input
    fn handle_key_event(&mut self, key_event: KeyEvent) -> Result<bool, Box<dyn std::error::Error>> {
        if self.input_mode {
            return self.handle_input_mode(key_event);
        }

        match key_event.code {
            KeyCode::Char('q') | KeyCode::Esc => return Ok(true), // Exit
            KeyCode::Up => self.move_selection(-1),
            KeyCode::Down => self.move_selection(1),
            KeyCode::Enter => self.handle_selection()?,
            KeyCode::Char('h') => self.show_help(),
            KeyCode::Char('c') => self.current_view = ConditionalView::CreateCondition,
            KeyCode::Char('n') => self.current_view = ConditionalView::CreateChain,
            KeyCode::Char('s') => self.current_view = ConditionalView::SessionList,
            KeyCode::Char('a') => self.current_view = ConditionalView::ApplyConditional,
            KeyCode::Char('e') => self.current_view = ConditionalView::ExecuteChain,
            KeyCode::Char('r') => self.current_view = ConditionalView::ViewHistory,
            KeyCode::Backspace => self.go_back(),
            _ => {}
        }
        Ok(false)
    }

    /// Handle input mode for text entry
    fn handle_input_mode(&mut self, key_event: KeyEvent) -> Result<bool, Box<dyn std::error::Error>> {
        match key_event.code {
            KeyCode::Enter => {
                self.input_mode = false;
                self.process_input()?;
            }
            KeyCode::Esc => {
                self.input_mode = false;
                self.input_buffer.clear();
            }
            KeyCode::Backspace => {
                self.input_buffer.pop();
            }
            KeyCode::Char(c) => {
                self.input_buffer.push(c);
            }
            _ => {}
        }
        Ok(false)
    }

    /// Process user input based on current view
    fn process_input(&mut self) -> Result<(), Box<dyn std::error::Error>> {
        match &self.current_view {
            ConditionalView::CreateCondition => {
                self.create_condition_from_input()?;
            }
            ConditionalView::CreateChain => {
                self.create_chain_from_input()?;
            }
            _ => {}
        }
        self.input_buffer.clear();
        Ok(())
    }

    /// Create a condition from user input
    fn create_condition_from_input(&mut self) -> Result<(), Box<dyn std::error::Error>> {
        // Parse input format: "type:name:config"
        let parts: Vec<&str> = self.input_buffer.split(':').collect();
        if parts.len() < 2 {
            self.message = Some("Invalid format. Use: type:name:config".to_string());
            return Ok(());
        }

        let condition_type = parts[0];
        let name = parts[1].to_string();
        let id = format!("{}_condition", name.replace(' ', "_").to_lowercase());

        let condition = match condition_type {
            "test" => {
                let test_config = if parts.len() > 2 {
                    TestConfiguration::new(parts[2].to_string())
                } else {
                    TestConfiguration::cargo_test()
                };
                Condition::new_test_condition(id.clone(), name, test_config)
            }
            "classification" => {
                let criteria = if parts.len() > 2 {
                    match parts[2] {
                        "safe" => ClassificationCriteria::RequiredCategory(EditCategory::Safe),
                        "critical" => ClassificationCriteria::RequiredCategory(EditCategory::Critical),
                        "experimental" => ClassificationCriteria::RequiredCategory(EditCategory::Experimental),
                        _ => ClassificationCriteria::MinConfidence(0.8),
                    }
                } else {
                    ClassificationCriteria::RequiredCategory(EditCategory::Safe)
                };
                Condition::new_classification_condition(id.clone(), name, criteria)
            }
            _ => {
                self.message = Some("Unknown condition type. Use: test, classification".to_string());
                return Ok(());
            }
        };

        match self.system.add_condition(condition) {
            Ok(_) => {
                self.message = Some(format!("Condition '{}' created successfully", id));
                self.current_view = ConditionalView::ConditionList;
            }
            Err(e) => {
                self.message = Some(format!("Failed to create condition: {}", e));
            }
        }

        Ok(())
    }

    /// Create a chain from user input
    fn create_chain_from_input(&mut self) -> Result<(), Box<dyn std::error::Error>> {
        let parts: Vec<&str> = self.input_buffer.split(':').collect();
        if parts.len() < 2 {
            self.message = Some("Invalid format. Use: name:description".to_string());
            return Ok(());
        }

        let name = parts[0].to_string();
        let description = parts.get(1).unwrap_or(&"").to_string();
        let id = format!("{}_chain", name.replace(' ', "_").to_lowercase());

        let mut chain = ConditionalChain::new(id.clone(), name);
        chain.description = description;

        match self.system.create_chain(chain) {
            Ok(_) => {
                self.message = Some(format!("Chain '{}' created successfully", id));
                self.current_view = ConditionalView::ChainList;
            }
            Err(e) => {
                self.message = Some(format!("Failed to create chain: {}", e));
            }
        }

        Ok(())
    }

    /// Handle menu selection
    fn handle_selection(&mut self) -> Result<(), Box<dyn std::error::Error>> {
        match &self.current_view {
            ConditionalView::MainMenu => {
                match self.selected_index {
                    0 => self.current_view = ConditionalView::ConditionList,
                    1 => self.current_view = ConditionalView::ChainList,
                    2 => self.current_view = ConditionalView::SessionList,
                    3 => self.current_view = ConditionalView::CreateCondition,
                    4 => self.current_view = ConditionalView::CreateChain,
                    5 => self.current_view = ConditionalView::ApplyConditional,
                    6 => self.current_view = ConditionalView::ExecuteChain,
                    7 => self.current_view = ConditionalView::ViewHistory,
                    _ => {}
                }
            }
            ConditionalView::CreateCondition | ConditionalView::CreateChain => {
                self.input_mode = true;
                self.input_buffer.clear();
            }
            _ => {}
        }
        Ok(())
    }

    /// Move selection up or down
    fn move_selection(&mut self, delta: i32) {
        let max_items = self.get_max_items();
        if max_items == 0 {
            return;
        }

        if delta > 0 {
            self.selected_index = (self.selected_index + 1).min(max_items - 1);
        } else if delta < 0 && self.selected_index > 0 {
            self.selected_index = self.selected_index.saturating_sub(1);
        }

        // Update scroll offset if needed
        let visible_lines = 20; // Assuming 20 visible lines
        if self.selected_index >= self.scroll_offset + visible_lines {
            self.scroll_offset = self.selected_index - visible_lines + 1;
        } else if self.selected_index < self.scroll_offset {
            self.scroll_offset = self.selected_index;
        }
    }

    /// Get maximum number of items for current view
    fn get_max_items(&self) -> usize {
        match &self.current_view {
            ConditionalView::MainMenu => 8,
            ConditionalView::ConditionList => self.system.get_execution_history().len(),
            ConditionalView::ChainList => self.system.get_execution_history().len(),
            ConditionalView::SessionList => self.system.get_active_sessions().len(),
            ConditionalView::ViewHistory => self.system.get_execution_history().len(),
            _ => 0,
        }
    }

    /// Go back to previous view
    fn go_back(&mut self) {
        self.current_view = ConditionalView::MainMenu;
        self.selected_index = 0;
        self.scroll_offset = 0;
        self.message = None;
    }

    /// Show help message
    fn show_help(&mut self) {
        self.message = Some(
            "Keys: ↑/↓=Navigate, Enter=Select, q/Esc=Exit, h=Help, c=Create Condition, n=New Chain, s=Sessions, a=Apply, e=Execute, r=History, Backspace=Back".to_string()
        );
    }

    /// Draw the interface
    fn draw(&mut self) -> Result<(), Box<dyn std::error::Error>> {
        print!("{}{}", Clear(ClearType::All), cursor::MoveTo(0, 0));

        // Draw header
        print!("{}{}", SetForegroundColor(Color::Cyan), SetAttribute(Attribute::Bold));
        println!("🔗 SOMA ConditionalLogicSystem Interactive CLI");
        print!("{}{}", ResetColor, SetAttribute(Attribute::Reset));
        println!("═══════════════════════════════════════════════");

        // Draw current view
        match &self.current_view {
            ConditionalView::MainMenu => self.draw_main_menu(),
            ConditionalView::ConditionList => self.draw_condition_list(),
            ConditionalView::ChainList => self.draw_chain_list(),
            ConditionalView::SessionList => self.draw_session_list(),
            ConditionalView::CreateCondition => self.draw_create_condition(),
            ConditionalView::CreateChain => self.draw_create_chain(),
            ConditionalView::ApplyConditional => self.draw_apply_conditional(),
            ConditionalView::ExecuteChain => self.draw_execute_chain(),
            ConditionalView::ViewHistory => self.draw_history(),
            ConditionalView::ConditionDetails(id) => self.draw_condition_details(id),
            ConditionalView::ChainDetails(id) => self.draw_chain_details(id),
        }

        // Draw message if any
        if let Some(ref message) = self.message {
            println!();
            print!("{}", SetForegroundColor(Color::Yellow));
            println!("💬 {}", message);
            print!("{}", ResetColor);
        }

        // Draw footer
        println!();
        print!("{}", SetForegroundColor(Color::DarkGrey));
        println!("━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━");
        println!("Press 'h' for help, 'q' to quit");
        print!("{}", ResetColor);

        io::stdout().flush()?;
        Ok(())
    }

    /// Draw main menu
    fn draw_main_menu(&self) {
        println!("📋 Main Menu");
        println!();

        let menu_items = [
            "📝 View Conditions",
            "🔗 View Chains", 
            "📊 View Sessions",
            "➕ Create Condition",
            "🆕 Create Chain",
            "✅ Apply Conditional Edit",
            "▶️  Execute Chain",
            "📚 View Execution History",
        ];

        for (i, item) in menu_items.iter().enumerate() {
            if i == self.selected_index {
                print!("{}{}", SetBackgroundColor(Color::Blue), SetForegroundColor(Color::White));
                println!("► {}", item);
                print!("{}{}", ResetColor, SetBackgroundColor(Color::Reset));
            } else {
                println!("  {}", item);
            }
        }
    }

    /// Draw condition list
    fn draw_condition_list(&self) {
        println!("📝 Conditions");
        println!();

        if self.system.get_execution_history().is_empty() {
            println!("No conditions defined yet.");
            println!("Press 'c' to create a new condition.");
        } else {
            println!("Conditions will be listed here when implementation is complete.");
        }
    }

    /// Draw chain list
    fn draw_chain_list(&self) {
        println!("🔗 Conditional Chains");
        println!();

        if self.system.get_execution_history().is_empty() {
            println!("No chains defined yet.");
            println!("Press 'n' to create a new chain.");
        } else {
            println!("Chains will be listed here when implementation is complete.");
        }
    }

    /// Draw session list
    fn draw_session_list(&self) {
        println!("📊 Active Sessions");
        println!();

        let sessions = self.system.get_active_sessions();
        if sessions.is_empty() {
            println!("No active sessions.");
        } else {
            for (session_id, session) in sessions {
                println!("🔖 {} ({})", session.name, session_id);
                println!("   Created: {}", session.created_at.format("%Y-%m-%d %H:%M:%S"));
                println!("   Edits Applied: {}", session.edits_applied.len());
                println!();
            }
        }
    }

    /// Draw create condition interface
    fn draw_create_condition(&self) {
        println!("➕ Create New Condition");
        println!();
        println!("Format: type:name:config");
        println!("Types: test, classification");
        println!("Examples:");
        println!("  test:unit_tests:cargo test");
        println!("  classification:safe_only:safe");
        println!();

        if self.input_mode {
            print!("Enter condition: {}_", self.input_buffer);
        } else {
            println!("Press Enter to start input, Esc to cancel");
        }
    }

    /// Draw create chain interface
    fn draw_create_chain(&self) {
        println!("🆕 Create New Chain");
        println!();
        println!("Format: name:description");
        println!("Example: deploy_chain:Deploy after tests pass");
        println!();

        if self.input_mode {
            print!("Enter chain: {}_", self.input_buffer);
        } else {
            println!("Press Enter to start input, Esc to cancel");
        }
    }

    /// Draw apply conditional interface
    fn draw_apply_conditional(&self) {
        println!("✅ Apply Conditional Edit");
        println!();
        println!("This feature allows applying edits with conditions.");
        println!("Implementation pending...");
    }

    /// Draw execute chain interface
    fn draw_execute_chain(&self) {
        println!("▶️  Execute Conditional Chain");
        println!();
        println!("This feature allows executing conditional chains.");
        println!("Implementation pending...");
    }

    /// Draw execution history
    fn draw_history(&self) {
        println!("📚 Execution History");
        println!();

        let history = self.system.get_execution_history();
        if history.is_empty() {
            println!("No execution history yet.");
        } else {
            for (i, record) in history.iter().enumerate() {
                let status = if record.applied { "✅ Applied" } else { "❌ Failed" };
                println!("{} [{}] Edit: {}", status, record.timestamp.format("%H:%M:%S"), record.edit_id);
                println!("   Conditions: {:?}", record.conditions_evaluated);
                println!("   Duration: {:?}", record.execution_time);
                if i < history.len() - 1 {
                    println!();
                }
            }
        }
    }

    /// Draw condition details
    fn draw_condition_details(&self, _condition_id: &str) {
        println!("📝 Condition Details");
        println!();
        println!("Detailed condition view will be implemented here.");
    }

    /// Draw chain details
    fn draw_chain_details(&self, _chain_id: &str) {
        println!("🔗 Chain Details");
        println!();
        println!("Detailed chain view will be implemented here.");
    }
}

/// Demonstration function for ConditionalLogicSystem
pub fn demonstrate_conditional_logic() -> Result<(), Box<dyn std::error::Error>> {
    println!("🔗 ConditionalLogicSystem Demonstration");
    println!("=======================================");

    let mut system = ConditionalLogicSystem::new();

    // 1. Create test session
    println!("\n1. Creating conditional session...");
    let session_id = system.create_session("demo_session".to_string());
    println!("   ✅ Session created: {}", session_id);

    // 2. Create test condition
    println!("\n2. Creating test condition...");
    let test_config = TestConfiguration::cargo_test()
        .with_timeout(300)
        .with_required_pattern("test result: ok".to_string());
    
    let test_condition = Condition::new_test_condition(
        "unit_tests".to_string(),
        "Unit Tests Must Pass".to_string(),
        test_config
    );

    let condition_id = system.add_condition(test_condition)?;
    println!("   ✅ Test condition created: {}", condition_id);

    // 3. Create classification condition
    println!("\n3. Creating classification condition...");
    let classification_condition = Condition::new_classification_condition(
        "safe_edits_only".to_string(),
        "Safe Edits Only".to_string(),
        ClassificationCriteria::RequiredCategory(EditCategory::Safe)
    );

    let class_condition_id = system.add_condition(classification_condition)?;
    println!("   ✅ Classification condition created: {}", class_condition_id);

    // 4. Create conditional chain
    println!("\n4. Creating conditional chain...");
    let mut chain = ConditionalChain::new(
        "safe_deploy_chain".to_string(),
        "Safe Deployment Chain".to_string()
    );
    chain.description = "Deploy only after tests pass and edit is classified as safe".to_string();

    chain.add_link(ChainLink {
        id: "test_link".to_string(),
        condition_id: condition_id.clone(),
        edits: Vec::new(), // Would contain actual edits
        failure_strategy: ChainFailureStrategy::StopChain,
    });

    chain.add_link(ChainLink {
        id: "classification_link".to_string(),
        condition_id: class_condition_id.clone(),
        edits: Vec::new(), // Would contain actual edits
        failure_strategy: ChainFailureStrategy::StopChain,
    });

    let chain_id = system.create_chain(chain)?;
    println!("   ✅ Chain created: {}", chain_id);

    // 5. Show system status
    println!("\n5. System Status:");
    println!("   📊 Active sessions: {}", system.get_active_sessions().len());
    println!("   📝 Conditions defined: 2");
    println!("   🔗 Chains defined: 1");
    println!("   📚 Execution history: {}", system.get_execution_history().len());

    // 6. Success rates
    println!("\n6. Condition Success Rates:");
    println!("   {} success rate: {:.1}%", condition_id, system.get_condition_success_rate(&condition_id) * 100.0);
    println!("   {} success rate: {:.1}%", class_condition_id, system.get_condition_success_rate(&class_condition_id) * 100.0);

    println!("\n✅ ConditionalLogicSystem demonstration completed!");
    println!("\nTo try the interactive CLI, run: soma conditional-cli");

    Ok(())
}

/// Entry point for conditional logic CLI
pub fn run_conditional_cli() -> Result<(), Box<dyn std::error::Error>> {
    let mut cli = ConditionalLogicCLI::new();
    cli.run()
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_conditional_cli_creation() {
        let cli = ConditionalLogicCLI::new();
        assert_eq!(cli.current_view, ConditionalView::MainMenu);
        assert_eq!(cli.selected_index, 0);
        assert!(!cli.input_mode);
    }

    #[test]
    fn test_view_navigation() {
        let mut cli = ConditionalLogicCLI::new();
        
        // Test selection movement
        cli.move_selection(1);
        assert_eq!(cli.selected_index, 1);
        
        cli.move_selection(-1);
        assert_eq!(cli.selected_index, 0);
    }

    #[test]
    fn test_demonstration() {
        // Test that demonstration runs without errors
        assert!(demonstrate_conditional_logic().is_ok());
    }

    #[test]
    fn test_input_parsing() {
        let mut cli = ConditionalLogicCLI::new();
        cli.current_view = ConditionalView::CreateCondition;
        cli.input_buffer = "test:unit_tests:cargo test".to_string();
        
        // Test that input processing doesn't panic
        assert!(cli.process_input().is_ok());
    }

    #[test]
    fn test_max_items_calculation() {
        let cli = ConditionalLogicCLI::new();
        assert_eq!(cli.get_max_items(), 8); // Main menu has 8 items
    }
}