codanna 0.9.19

Code Intelligence for Large Language Models
Documentation 
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//! Progress reporting for indexing operations

use std::path::PathBuf;
use std::time::{Duration, Instant};

/// Statistics collected during indexing
#[derive(Debug, Default)]
pub struct IndexStats {
    /// Number of files successfully indexed
    pub files_indexed: usize,

    /// Number of files that failed to index
    pub files_failed: usize,

    /// Total number of symbols found
    pub symbols_found: usize,

    /// Number of symbols that failed embedding generation
    pub embeddings_failed: usize,

    /// Time elapsed during indexing
    pub elapsed: Duration,

    /// Errors encountered (limited to first N errors)
    pub errors: Vec<(PathBuf, String)>,

    /// Start time of indexing
    start_time: Option<Instant>,
}

impl IndexStats {
    /// Create new stats and start timing
    pub fn new() -> Self {
        Self {
            start_time: Some(Instant::now()),
            ..Default::default()
        }
    }

    /// Stop timing and record elapsed time
    pub fn stop_timing(&mut self) {
        if let Some(start) = self.start_time {
            self.elapsed = start.elapsed();
            self.start_time = None;
        }
    }

    /// Add an error (limited to first 100 errors)
    pub fn add_error(&mut self, path: PathBuf, error: String) {
        if self.errors.len() < 100 {
            self.errors.push((path, error));
        }
        self.files_failed += 1;
    }

    /// Display the statistics in a human-readable format
    pub fn display(&self) {
        println!("\nIndexing Complete:");
        println!("  Files indexed: {}", self.files_indexed);
        println!("  Files failed: {}", self.files_failed);
        println!("  Symbols found: {}", self.symbols_found);
        println!("  Time elapsed: {:.2}s", self.elapsed.as_secs_f64());

        if self.files_indexed > 0 {
            let files_per_sec = self.files_indexed as f64 / self.elapsed.as_secs_f64();
            println!("  Performance: {files_per_sec:.0} files/second");

            let symbols_per_file = self.symbols_found as f64 / self.files_indexed as f64;
            println!("  Average symbols/file: {symbols_per_file:.1}");
        }

        if self.embeddings_failed > 0 {
            println!(
                "\nWarning: {} symbols failed embedding generation. Semantic search may be incomplete.",
                self.embeddings_failed
            );
            println!("  Run with --force to regenerate embeddings.");
        }

        if !self.errors.is_empty() {
            println!("\nErrors (showing first {}):", self.errors.len().min(5));
            for (path, error) in &self.errors[..5.min(self.errors.len())] {
                println!("  {}: {}", path.display(), error);
            }
            if self.errors.len() > 5 {
                println!("  ... and {} more errors", self.errors.len() - 5);
            }
        }
    }
}

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

    #[test]
    fn test_stats_display() {
        let mut stats = IndexStats::new();
        stats.files_indexed = 100;
        stats.files_failed = 2;
        stats.symbols_found = 1500;
        stats.elapsed = Duration::from_secs(5);

        // Should not panic
        stats.display();
    }

    #[test]
    fn test_error_limiting() {
        let mut stats = IndexStats::new();

        // Add 150 errors
        for i in 0..150 {
            stats.add_error(PathBuf::from(format!("file{i}.rs")), format!("Error {i}"));
        }

        // Should only keep first 100
        assert_eq!(stats.errors.len(), 100);
        assert_eq!(stats.files_failed, 150);
    }
}