#!/bin/bash
# Dead Code Analysis Script for Foxhunt Workspace

echo "=== FOXHUNT DEAD CODE ANALYSIS ==="
echo ""

# 1. Find public items that might be unused
echo "1. PUBLIC API SURFACE ANALYSIS"
echo "-------------------------------"
find . -name "*.rs" -type f -not -path "./target/*" -exec grep -l "^pub fn\|^pub struct\|^pub enum\|^pub trait" {} \; | wc -l
echo " files with public items found"
echo ""

# 2. Find large commented code blocks
echo "2. LARGE COMMENTED CODE BLOCKS (>10 lines)"
echo "-------------------------------------------"
find . -name "*.rs" -type f -not -path "./target/*" -print0 | while IFS= read -r -d '' file; do
    awk '/^[[:space:]]*\/\// {count++} !/^[[:space:]]*\/\// {if (count >= 10) print FILENAME":"NR-count"-"NR-1":"count" lines"; count=0} END {if (count >= 10) print FILENAME":"NR-count"-"NR":"count" lines"}' "$file"
done | head -20
echo ""

# 3. Find empty or nearly empty modules
echo "3. EMPTY OR MINIMAL MODULES"
echo "----------------------------"
find . -name "*.rs" -type f -not -path "./target/*" -exec sh -c 'lines=$(wc -l < "$1"); if [ "$lines" -lt 10 ]; then echo "$1: $lines lines"; fi' _ {} \; | head -20
echo ""

# 4. Find test modules with no tests
echo "4. TEST MODULES WITHOUT TESTS"
echo "------------------------------"
find . -name "*.rs" -type f -not -path "./target/*" -exec grep -l "#\[cfg(test)\]" {} \; | while read file; do
    if ! grep -q "#\[test\]" "$file"; then
        echo "$file - has #[cfg(test)] but no #[test] functions"
    fi
done | head -10
echo ""

# 5. Find feature-gated code
echo "5. FEATURE-GATED CODE"
echo "----------------------"
find . -name "*.rs" -type f -not -path "./target/*" -exec grep -l "#\[cfg(feature" {} \; | head -10
echo ""

# 6. Analyze Cargo.toml dependencies
echo "6. DEPENDENCY ANALYSIS PER CRATE"
echo "---------------------------------"
find . -name "Cargo.toml" -not -path "./target/*" | head -5
echo ""

echo "=== ANALYSIS COMPLETE ==="