#!/usr/bin/env bash

# Error handling
set -euo pipefail

# Log file
log_file="update_$(date +%Y%m%d_%H%M%S).log"
exec 1> >(tee -a "$log_file") 2>&1

# Error handling function
handle_error() {
  echo "❌ Error on line $1" | tee -a "$log_file"
  exit 1
}
trap 'handle_error $LINENO' ERR

echo "🚀 Aloitetaan päivitys $(date)"

# Check required tools
for cmd in npx sed find grep; do
  if ! command -v $cmd &> /dev/null; then
    echo "❌ Error: $cmd not found" | tee -a "$log_file"
    exit 1
  fi
done

# Check if the OS is macOS or Linux
if [[ $OSTYPE == "darwin"* ]]; then
  # macOS needs -i .bak because it doesn't support -i without arguments
  SED_CMD="sed -i .bak"
else
  # Linux supports -i without arguments
  SED_CMD="sed -i"
fi

# Iterate over directories
echo "📂 Iterating over directories..."
find . -mindepth 1 -maxdepth 1 -type d | while read -r dir; do
  dir=${dir#./}
  action="./$dir/action.yml"

  # if action doesn't exist, skip
  if [ ! -f "$action" ]; then
    echo "⏩ Skipping $dir - action.yml missing"
    continue
  fi

  repo="ivuorinen/actions/$dir"
  readme="./$dir/README.md"
  version=$(grep -E '^# version:' "$action" | cut -d ' ' -f 2)

  # if version doesn't exist, use 'main'
  if [ -z "$version" ]; then
    version="main"
    echo "ℹ️ Version not set in $dir/action.yml, using 'main'"
  fi

  echo "📝 Updating $readme..."

  printf "# %s\n\n" "$repo" >"$readme"

  echo "📄 Generating action documentation..."
  if ! npx --yes action-docs@latest \
    --source="$action" \
    --no-banner \
    --include-name-header >>"$readme"; then
    echo "⚠️ Warning: action-docs failed in $dir directory" | tee -a "$log_file"
  fi

  echo "🔄 Replacing placeholders in $readme..."
  $SED_CMD "s|PROJECT|$repo|g; s|VERSION|$version|g; s|\*\*\*||g" "$readme"

  if [ -f "$readme.bak" ]; then
    rm "$readme.bak"
    echo "🗑️ Removed $readme.bak"
  fi
done
echo ""

echo "🔍 Running markdownlint..."
if ! npx --yes markdownlint-cli --fix \
  --ignore "**/node_modules/**" "**/README.md"; then
  echo "⚠️ Warning: markdownlint found issues" | tee -a "$log_file"
fi
echo ""

echo "✨ Running prettier..."
if ! npx --yes prettier --write \
  "run.sh" "**/README.md" "**/action.yml" ".github/workflows/*.yml"; then
  echo "⚠️ Warning: prettier formatting failed" | tee -a "$log_file"
fi
echo ""

echo "🔎 Running MegaLinter..."
if ! npx --yes mega-linter-runner; then
  echo "⚠️ Warning: MegaLinter found issues" | tee -a "$log_file"
fi
echo ""

# Summary report
echo "📊 Summary $(date):"
echo "- Log file: $log_file"
if [ -f "$log_file" ]; then
  warnings=$(grep -c "⚠️ Warning" "$log_file" || true)
  echo "- Warnings: $warnings"
fi
echo "- Status: ✅ Ready"

echo "✅ Ready!"