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#![cfg_attr(coverage_nightly, coverage(off))]
use serde::{Deserialize, Serialize};
use std::path::PathBuf;
/// Technical Debt Gradient (TDG) - Primary code quality metric
/// Replaces defect probability throughout the system
#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
pub struct TDGScore {
/// The calculated TDG value (typically 0.0 - 5.0)
pub value: f64,
/// Component breakdown for transparency
pub components: TDGComponents,
/// Severity classification based on thresholds
pub severity: TDGSeverity,
/// Percentile ranking within the codebase
pub percentile: f64,
/// Confidence level of the calculation (0.0 - 1.0)
pub confidence: f64,
}
#[derive(Debug, Clone, Copy, Serialize, Deserialize, PartialEq, Default)]
pub struct TDGComponents {
/// Complexity contribution (cognitive + cyclomatic)
pub complexity: f64,
/// Code churn velocity contribution
pub churn: f64,
/// Coupling score contribution
pub coupling: f64,
/// Domain-specific risk factors
pub domain_risk: f64,
/// Code duplication factor
pub duplication: f64,
/// Dead code percentage (CB-128: 6th TDG dimension)
/// 0.0 = no dead code, 5.0 = severe dead code burden
#[serde(default)]
pub dead_code: f64,
}
#[derive(Debug, Clone, Copy, Serialize, Deserialize, PartialEq, Eq)]
#[serde(rename_all = "lowercase")]
pub enum TDGSeverity {
/// TDG < 1.5 - Normal technical debt levels
Normal,
/// TDG 1.5-2.5 - Elevated technical debt requiring attention
Warning,
/// TDG > 2.5 - Critical technical debt requiring immediate action
Critical,
}
/// Configuration for TDG calculation
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct TDGConfig {
/// Weight for complexity component (default: 0.25, was 0.30 pre-CB-128)
pub complexity_weight: f64,
/// Weight for churn component (default: 0.20, was 0.35 pre-CB-128)
pub churn_weight: f64,
/// Weight for coupling component (default: 0.15)
pub coupling_weight: f64,
/// Weight for domain risk component (default: 0.10)
pub domain_risk_weight: f64,
/// Weight for duplication component (default: 0.10)
pub duplication_weight: f64,
/// Weight for dead code component (default: 0.20, CB-128 6th dimension)
/// High weight because dead code is pure waste
#[serde(default = "default_dead_code_weight")]
pub dead_code_weight: f64,
/// Threshold for critical severity (default: 2.5)
pub critical_threshold: f64,
/// Threshold for warning severity (default: 1.5)
pub warning_threshold: f64,
}
// --- Impl blocks (TDGSeverity, TDGConfig Default) ---
include!("tdg_impls.rs");
// --- Extended types (Summary, Hotspot, Analysis, Recommendation, Distribution, SATD) ---
include!("tdg_types.rs");
// --- Tests ---
include!("tdg_tests.rs");