kandil_code 2.1.1

Intelligent development platform (CLI + TUI + Multi-Agent System) with cross-platform AI model benchmarking, system diagnostics, and advanced development tools
//! Developer simulation agent
//!
//! Agent that simulates the role of a software developer

use crate::core::adapters::ai::KandilAI;
use crate::core::agents::base::{Agent, AgentState};
use anyhow::Result;
use async_trait::async_trait;
use serde::{Deserialize, Serialize};
use std::collections::HashMap;
use std::sync::Arc;

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct PairProgrammingSession {
    pub participants: Vec<String>,
    pub code_file: String,
    pub current_task: String,
    pub session_notes: Vec<String>,
    pub bugs_found: Vec<Bug>,
    pub features_implemented: Vec<String>,
    pub duration_minutes: u32,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Bug {
    pub id: String,
    pub description: String,
    pub severity: Severity,
    pub location: String,
    pub fix_suggestion: String,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum Severity {
    Low,
    Medium,
    High,
    Critical,
}

impl std::fmt::Display for Severity {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        match self {
            Severity::Low => write!(f, "Low"),
            Severity::Medium => write!(f, "Medium"),
            Severity::High => write!(f, "High"),
            Severity::Critical => write!(f, "Critical"),
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ImplementationProgress {
    pub completed_features: Vec<String>,
    pub in_progress_features: Vec<String>,
    pub blocked_features: Vec<String>,
    pub code_coverage: f32,
    pub bugs_found: u32,
    pub estimated_completion: String,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct CodeReviewFeedback {
    pub reviewer: String,
    pub file_reviewed: String,
    pub comments: Vec<ReviewComment>,
    pub overall_rating: u8,
    pub recommendations: Vec<String>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ReviewComment {
    pub line_number: Option<u32>,
    pub comment: String,
    pub severity: Severity,
    pub suggestion: String,
}

pub struct DeveloperSimulation {
    pub ai: Arc<KandilAI>,
    pub current_project: String,
    pub session_history: HashMap<String, PairProgrammingSession>,
    pub implementation_progress: HashMap<String, ImplementationProgress>,
}

impl DeveloperSimulation {
    pub fn new(ai: Arc<KandilAI>, project_name: String) -> Self {
        Self {
            ai,
            current_project: project_name,
            session_history: HashMap::new(),
            implementation_progress: HashMap::new(),
        }
    }

    pub async fn implement_feature(
        &mut self,
        feature_spec: &str,
        file_path: &str,
    ) -> Result<String> {
        let prompt = format!(
            r#"Implement the following feature in {}: 
            {}
            
            Requirements:
            1. Follow best practices for the language/framework
            2. Include error handling
            3. Add appropriate logging
            4. Include unit tests if applicable
            5. Add documentation
            
            Return the implementation code.
            "#,
            file_path, feature_spec
        );

        let implementation = self.ai.chat(&prompt).await?;

        // Add to implementation progress
        let progress = self
            .implementation_progress
            .entry(file_path.to_string())
            .or_insert_with(|| ImplementationProgress {
                completed_features: vec![],
                in_progress_features: vec![],
                blocked_features: vec![],
                code_coverage: 0.0,
                bugs_found: 0,
                estimated_completion: "Unknown".to_string(),
            });

        progress.in_progress_features.push(feature_spec.to_string());

        Ok(implementation)
    }

    pub async fn start_pair_programming(
        &mut self,
        partner: &str,
        task: &str,
        file: &str,
    ) -> Result<String> {
        let session_id = format!("PPS-{}", self.session_history.len() + 1);

        let session = PairProgrammingSession {
            participants: vec!["Developer Simulation".to_string(), partner.to_string()],
            code_file: file.to_string(),
            current_task: task.to_string(),
            session_notes: vec![],
            bugs_found: vec![],
            features_implemented: vec![],
            duration_minutes: 0,
        };

        self.session_history.insert(session_id.clone(), session);

        Ok(format!("Started pair programming session: {}", session_id))
    }

    pub async fn find_bugs(&self, code: &str, file_path: &str) -> Result<Vec<Bug>> {
        let prompt = format!(
            r#"Analyze this code for bugs and issues:
            File: {}
            
            Code:
            {}
            
            Identify potential bugs, logic errors, and code smells. Rate their severity.
            "#,
            file_path, code
        );

        let findings = self.ai.chat(&prompt).await?;

        // In a real implementation, this would parse the structured response
        Ok(vec![Bug {
            id: "BUG-001".to_string(),
            description: "Potential null pointer access".to_string(),
            severity: Severity::High,
            location: format!("{}:line 25", file_path),
            fix_suggestion: "Add null check before access".to_string(),
        }])
    }

    pub async fn generate_unit_tests(&self, function_name: &str, language: &str) -> Result<String> {
        let prompt = format!(
            r#"Generate unit tests for the function '{}'.
            
            Language: {}
            
            Create comprehensive tests covering:
            - Happy path
            - Edge cases
            - Error conditions
            - Boundary values
            "#,
            function_name, language
        );

        self.ai.chat(&prompt).await
    }

    pub fn get_session(&self, session_id: &str) -> Option<&PairProgrammingSession> {
        self.session_history.get(session_id)
    }

    pub fn get_progress(&self, file_path: &str) -> Option<&ImplementationProgress> {
        self.implementation_progress.get(file_path)
    }
}

#[async_trait]
impl Agent for DeveloperSimulation {
    async fn plan(&self, state: &AgentState) -> Result<String> {
        let prompt = format!(
            "As a Software Developer, given this development task: {}\n\nPlan the next implementation step. Consider code structure, dependencies, and testing approach.",
            state.task
        );

        self.ai.chat(&prompt).await
    }

    async fn act(&self, plan: &str) -> Result<String> {
        // Execute the planned development task
        let prompt = format!(
            "Implement this development plan: {}\n\nWrite code, fix issues, or refactor as needed.",
            plan
        );

        self.ai.chat(&prompt).await
    }

    async fn observe(&self, result: &str) -> Result<String> {
        // Analyze the development results
        let prompt = format!(
            "Analyze this development output: {}\n\nHow does this implementation meet the requirements? What improvements are needed?",
            result
        );

        self.ai.chat(&prompt).await
    }
}