#!/bin/bash
# Commit message hook: validate commit message format

COMMIT_MSG_FILE=$1
MSG=$(head -n1 "$COMMIT_MSG_FILE")

# Skip validation for merge commits
if echo "$MSG" | grep -q "^Merge"; then
    exit 0
fi

# Check message length
if [ ${#MSG} -lt 5 ]; then
    echo "❌ Commit message too short (min 5 characters)"
    exit 1
fi

# Optional: enforce conventional commits format
# Uncomment if you want to enforce prefixes like "feat:", "fix:", etc.
# if ! echo "$MSG" | grep -qE "^(feat|fix|docs|style|refactor|test|chore|backend|frontend|deploy)(\(.+\))?:"; then
#     echo "❌ Commit message should follow format: type: description"
#     echo "   Allowed types: feat, fix, docs, style, refactor, test, chore, backend, frontend, deploy"
#     exit 1
# fi

echo "✅ Commit message OK"
exit 0