#!/usr/bin/env bash

set -e

echo "Running pre-commit checks..."

# Get list of staged markdown files
STAGED_MD_FILES=$(git diff --cached --name-only --diff-filter=ACM | grep -E '\.md$' || true)

if [ -z "$STAGED_MD_FILES" ]; then
    echo "No markdown files to check."
    exit 0
fi

echo "Checking markdown files..."

# Check markdown formatting with markdownlint-cli
if command -v markdownlint &> /dev/null; then
    echo "Running markdownlint..."
    markdownlint $STAGED_MD_FILES || {
        echo "❌ Markdown linting failed. Fix issues or use 'git commit --no-verify' to skip."
        exit 1
    }
else
    echo "⚠️  markdownlint not found, skipping markdown linting"
fi

# Spell check
if command -v aspell &> /dev/null; then
    echo "Running spell check..."
    MISSPELLED=0
    for file in $STAGED_MD_FILES; do
        # Extract text, strip markdown syntax, check spelling
        ERRORS=$(cat "$file" | aspell list --mode=markdown --personal=./.aspell.personal 2>/dev/null | sort -u)
        if [ ! -z "$ERRORS" ]; then
            echo "⚠️  Possible misspellings in $file:"
            echo "$ERRORS" | sed 's/^/    /'
            MISSPELLED=1
        fi
    done
    if [ $MISSPELLED -eq 1 ]; then
        echo ""
        echo "Review spelling errors above. Add correct terms to .aspell.personal"
        echo "Use 'git commit --no-verify' to skip if needed."
        exit 1
    fi
else
    echo "⚠️  aspell not found, skipping spell check"
fi

echo "✅ Pre-commit checks passed!"
exit 0