howmany 3.0.0

A blazingly fast, intelligent code analysis tool with parallel processing, caching, and beautiful visualizations
Documentation 
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use super::merging::StatsMerger;
use super::types::{AggregatedStats, AnalysisDepth, StatsMetadata};
use crate::core::stats::basic::BasicStats;
use crate::core::stats::complexity::ComplexityStats;
use crate::core::stats::ratios::RatioStats;
use crate::utils::errors::Result;
use std::collections::BTreeMap;

/// Aggregator for combining different types of statistics
pub struct StatsAggregator {
    version: String,
    merger: StatsMerger,
}

impl StatsAggregator {
    pub fn new() -> Self {
        Self {
            version: env!("CARGO_PKG_VERSION").to_string(),
            merger: StatsMerger::new(),
        }
    }

    /// Aggregate statistics for a single file
    pub fn aggregate_file_stats(
        &self,
        basic: BasicStats,
        complexity: ComplexityStats,
        ratios: RatioStats,
    ) -> AggregatedStats {
        let metadata = StatsMetadata {
            calculation_time_ms: 0, // Will be set by caller
            version: self.version.clone(),
            timestamp: chrono::Utc::now().to_rfc3339(),
            file_count_analyzed: 1,
            total_bytes_analyzed: basic.total_size,
            languages_detected: vec!["unknown".to_string()], // Will be updated by caller
            analysis_depth: AnalysisDepth::Complete,
        };

        AggregatedStats {
            basic,
            complexity,
            ratios,
            metadata,
        }
    }

    /// Aggregate statistics for a project
    pub fn aggregate_project_stats(
        &self,
        basic: BasicStats,
        complexity: ComplexityStats,
        ratios: RatioStats,
    ) -> AggregatedStats {
        let languages_detected: Vec<String> = basic.stats_by_extension.keys().cloned().collect();

        let metadata = StatsMetadata {
            calculation_time_ms: 0, // Will be set by caller
            version: self.version.clone(),
            timestamp: chrono::Utc::now().to_rfc3339(),
            file_count_analyzed: basic.total_files,
            total_bytes_analyzed: basic.total_size,
            languages_detected,
            analysis_depth: AnalysisDepth::Complete,
        };

        AggregatedStats {
            basic,
            complexity,
            ratios,
            metadata,
        }
    }

    /// Merge multiple aggregated statistics
    pub fn merge_stats(&self, stats_list: Vec<AggregatedStats>) -> Result<AggregatedStats> {
        self.merger.merge_stats(stats_list)
    }

    /// Get summary statistics
    pub fn get_summary(&self, stats: &AggregatedStats) -> BTreeMap<String, String> {
        let mut summary = BTreeMap::new();

        summary.insert(
            "total_files".to_string(),
            stats.basic.total_files.to_string(),
        );
        summary.insert(
            "total_lines".to_string(),
            stats.basic.total_lines.to_string(),
        );
        summary.insert("code_lines".to_string(), stats.basic.code_lines.to_string());
        summary.insert(
            "functions".to_string(),
            stats.complexity.function_count.to_string(),
        );
        summary.insert(
            "avg_complexity".to_string(),
            format!("{:.1}", stats.complexity.cyclomatic_complexity),
        );
        summary.insert(
            "quality_score".to_string(),
            format!("{:.1}", stats.ratios.quality_metrics.overall_quality_score),
        );
        summary.insert(
            "languages".to_string(),
            stats.metadata.languages_detected.len().to_string(),
        );

        summary
    }

    /// Update metadata with timing information
    pub fn update_timing(stats: &mut AggregatedStats, start_time: std::time::Instant) {
        stats.metadata.calculation_time_ms = start_time.elapsed().as_millis() as u64;
    }

    /// Get access to the internal merger for advanced operations
    pub fn merger(&self) -> &StatsMerger {
        &self.merger
    }
}

impl Default for StatsAggregator {
    fn default() -> Self {
        Self::new()
    }
}