#!/bin/bash
# Simple test coverage analysis for NimCode
# Analyzes which public procs are covered by tests

set -e

echo "=== NimCode Test Coverage Analysis ==="
echo ""

# Source modules to analyze
MODULES=(
 "src/nimcode/tui/tui.nim"
 "src/nimcode/tui/input.nim"
 "src/nimcode/tui/statusbar.nim"
 "src/nimcode/cli/stream.nim"
)

# Test files
TESTS=(
 "tests/test_tui.nim"
 "tests/test_statusbar.nim"
 "tests/test_stream.nim"
 "tests/test_input.nim"
)

total_procs=0
tested_procs=0

for module in "${MODULES[@]}"; do
 if [ ! -f "$module" ]; then
 continue
 fi

module_name=$(basename "$module" .nim)
 echo "--- $module_name ---"
 
 # Extract public proc names (starting with lowercase after proc)
 procs=$(grep -E "^proc \w+\*" "$module" 2>/dev/null | sed 's/proc \([a-zA-Z0-9_]*\).*/1円/' || true)
 
 if [ -z "$procs" ]; then
echo " No public procs found"
 echo ""
 continue
 fi

module_total=0
 module_tested=0
 
 while IFS= read -r proc_name; do
 if [ -z "$proc_name" ]; then
 continue
 fi

module_total=$((module_total + 1))
 total_procs=$((total_procs + 1))
 
 # Check if proc is referenced in any test file
 found=false
for test_file in "${TESTS[@]}"; do
 if [ -f "$test_file" ] && grep -q "$proc_name" "$test_file" 2>/dev/null; then
found=true
 break
fi
 done

 if [ "$found" = true ]; then
echo " ✓ $proc_name"
 module_tested=$((module_tested + 1))
 tested_procs=$((tested_procs + 1))
 else
echo " ✗ $proc_name"
 fi
 done <<< "$procs"
 
 if [ $module_total -gt 0 ]; then
coverage=$((module_tested * 100 / module_total))
 echo " Coverage: $module_tested/$module_total ($coverage%)"
 fi
echo ""
done

echo "=== Summary ==="
if [ $total_procs -gt 0 ]; then
overall_coverage=$((tested_procs * 100 / total_procs))
 echo "Total public procs: $total_procs"
 echo "Tested procs: $tested_procs"
 echo "Overall coverage: $overall_coverage%"
else
echo "No public procs found to analyze"
fi