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use std::path::{Path, PathBuf};
use std::collections::HashMap;
use once_cell::sync::Lazy;
use std::sync::Mutex;
use log::{info, debug, error, trace};
use walkdir::WalkDir;
use crate::config;
use crate::config::cli::LOG_LEVEL;
use crate::utils::g_utils::{iter_pattern_hits, start_spinner, stop_spinner, get_ticks, SpinnerTheme};
//Global Vec's to store DIR and FILE paths seperately
pub static FILES: Lazy<Mutex<Vec<PathBuf>>> = Lazy::new(|| Mutex::new(Vec::new()));
pub static DIRS: Lazy<Mutex<Vec<PathBuf>>> = Lazy::new(|| Mutex::new(Vec::new()));
// Main function to match patterns against node_modules directories
pub fn matching_pattern(paths: &Vec<PathBuf>) -> Vec<PathBuf> {
info!("Matching patterns for {:?} node_modules directories", paths.len());
println!();
let spinner = start_spinner("Matching patterns...", get_ticks(SpinnerTheme::PatternMatch));
#[allow(unused_variables)]
let mut results: i32 = 0;
let mut safe_paths_array: Vec<PathBuf> = Vec::with_capacity(paths.len() * 10); // Pre-allocate more space
let mut pattern_hits: HashMap<String, i32> = HashMap::new();
// Debug sampling settings
let max_debug_samples = 10; // Maximum number of debug samples to show per pattern
let mut debug_sample_counts: HashMap<String, i32> = HashMap::new();
match config::config::read_patterns() {
Ok(config) => {
// info!("Successfully loaded patterns config");
// Get the safe ruleset once outside the loop
if let Some(safe_ruleset) = config.rules.get("safe") {
// For each node_modules directory
for node_modules_path in paths {
trace!("Walking through directory: {}", node_modules_path.display());
// Actually walk through the directory and check each file
for entry_result in WalkDir::new(node_modules_path)
.into_iter()
.filter_map(Result::ok) {
let entry_path = entry_result.path();
// Only process files (not directories)
if entry_result.file_type().is_file() {
let path_str = entry_path.to_str().unwrap_or("");
let file_name = entry_path.file_name()
.and_then(|n| n.to_str())
.unwrap_or("");
// Check against each pattern
for pattern in &safe_ruleset.patterns {
// Try to match against full path and file name
let matches = match_path_with_pattern(path_str, pattern) ||
match_path_with_pattern(file_name, pattern);
if matches {
// Sample debug logging
let sample_count = debug_sample_counts.entry(pattern.clone()).or_insert(0);
*sample_count += 1;
if *sample_count <= max_debug_samples {
debug!("Match #{} for pattern '{}': {}",
*sample_count, pattern, entry_path.display());
} else if *sample_count == max_debug_samples + 1 {
debug!("Suppressing further debug output for pattern '{}'", pattern);
}
safe_paths_array.push(entry_path.to_path_buf());
*pattern_hits.entry(pattern.clone()).or_insert(0) += 1;
results += 1;
break; // Move to next file after first match
}
}
}
}
}
} else {
error!("No 'safe' ruleset found in configuration");
}
},
Err(e) => {
error!("Error loading patterns: {}", e);
}
}
stop_spinner(spinner, "Done matching patterns");
println!();
debug!("safe_paths_array Contains: {} items", safe_paths_array.len());
// info!("Found {} files which match the `safe` pattern", results);
debug!("Pattern hit summary:");
for (pattern, count) in &pattern_hits {
debug!(" - '{}': {} matches", pattern, count);
}
if *LOG_LEVEL.lock().unwrap() == "DEBUG" {
iter_pattern_hits(&pattern_hits);
}
safe_paths_array
}
// Enhanced pattern matching function with support for wildcards and case-insensitivity
pub fn match_path_with_pattern(path_str: &str, pattern: &str) -> bool {
let mut matches = Vec::new();
let mut match_result = false;
let mut match_reason = String::new();
// Case 1: If pattern starts and ends with '/', it's meant to match a directory
if pattern.starts_with('/') && pattern.ends_with('/') {
let dir_name = &pattern[1..pattern.len()-1]; // Remove slashes
// Convert to platform-specific path separators
#[cfg(not(windows))]
let normalized_path = path_str;
#[cfg(windows)]
let normalized_path = path_str.replace('\\', "/");
// Check if `/dir_name/` exists in the path as a complete directory segment
let dir_pattern = format!("/{}/", dir_name);
match_result = normalized_path.contains(&dir_pattern);
if match_result {
match_reason = format!("Directory pattern '{}' found in path", dir_pattern);
matches.push(path_str); // Add to matches vector here
}
}
// Case 2: Handle wildcard patterns like "readme*"
else if pattern.contains('*') {
let path_lower = path_str.to_lowercase();
let parts: Vec<&str> = pattern.split('*').collect();
// Simple wildcard matching
if parts.len() == 2 {
let prefix = parts[0].to_lowercase();
let suffix = parts[1].to_lowercase();
// Get the file name for boundary checking
let file_name = Path::new(path_str)
.file_name()
.and_then(|n| n.to_str())
.unwrap_or("")
.to_lowercase();
if suffix.is_empty() {
// Pattern like "readme*" - check if it's at the beginning of file name
// or is a complete path segment
let is_segment = is_exact_path_segment(&path_lower, &prefix);
let starts_with = file_name.starts_with(&prefix);
match_result = is_segment || starts_with;
if match_result {
if is_segment {
match_reason = format!("Prefix '{}' is an exact path segment", prefix);
} else {
match_reason = format!("Filename '{}' starts with '{}'", file_name, prefix);
}
matches.push(path_str); // Add to matches vector here
}
} else {
// Pattern like "read*me" - ensure both parts and check boundaries
let contains_prefix = path_lower.contains(&prefix);
let contains_suffix = path_lower.contains(&suffix);
let prefix_before_suffix = path_lower.find(&prefix).unwrap_or(usize::MAX) <
path_lower.find(&suffix).unwrap_or(usize::MAX);
let combined = prefix.to_owned() + &suffix;
let is_segment = is_exact_path_segment(&path_lower, &combined);
let file_pattern_match = file_name.starts_with(&prefix) && file_name.ends_with(&suffix);
match_result = contains_prefix &&
contains_suffix &&
prefix_before_suffix &&
(is_segment || file_pattern_match);
if match_result {
if is_segment {
match_reason = format!("Combined pattern '{}{}{}' is an exact path segment",
prefix, "*", suffix);
} else {
match_reason = format!("Filename '{}' matches wildcard pattern '{}*{}'",
file_name, prefix, suffix);
}
matches.push(path_str); // Add to matches vector here
}
}
}
}
// Case 3: Check for exact matches
else {
let path = Path::new(path_str);
// Check if pattern matches the file name exactly
if let Some(file_name) = path.file_name() {
if let Some(file_str) = file_name.to_str() {
if file_str.to_lowercase() == pattern.to_lowercase() {
match_result = true;
match_reason = format!("Exact filename match: '{}'", file_str);
matches.push(path_str); // Add to matches vector here
}
}
}
// Check if pattern matches a file extension exactly
if !match_result {
if let Some(extension) = path.extension() {
if let Some(ext_str) = extension.to_str() {
if ext_str.to_lowercase() == pattern.to_lowercase() {
match_result = true;
match_reason = format!("Exact extension match: '.{}'", ext_str);
matches.push(path_str); // Add to matches vector here
}
}
}
}
// Check if pattern is an exact path segment (directory name)
if !match_result {
match_result = is_exact_path_segment(&path_str.to_lowercase(), &pattern.to_lowercase());
if match_result {
match_reason = format!("Exact path segment match: '{}'", pattern);
matches.push(path_str); // Add to matches vector here
}
}
}
// Only log if there's a match
if match_result {
debug!("MATCH: '{}' with pattern '{}' - {}", path_str, pattern, match_reason);
}
// Always call split_by_type with our matches
split_by_type(matches);
match_result
}
// Helper function to check if a string is an exact path segment
pub fn is_exact_path_segment(path: &str, segment: &str) -> bool {
// Normalize path separators for consistent processing
#[cfg(windows)]
let normalized_path = path.replace('\\', "/");
#[cfg(not(windows))]
let normalized_path = path;
// Split the path into segments and check if any segment matches exactly
let path_segments: Vec<&str> = normalized_path.split('/').collect();
path_segments.iter().any(|&s| s.to_lowercase() == segment.to_lowercase())
}
// Helper function to split files and directories into global array's
// Arrays in turn will be used to remove files accordingly
fn split_by_type(path_str: Vec<&str>){
let mut local_files = Vec::new();
let mut local_dirs = Vec::new();
for s in path_str{
let path = Path::new(s);
if path.is_file(){
local_files.push(path.to_path_buf());
} else if path.is_dir(){
local_dirs.push(path.to_path_buf());
}
}
FILES.lock().unwrap().extend(local_files);
DIRS.lock().unwrap().extend(local_dirs);
}