#!/bin/bash
set -e

DIR="$(cd "$(dirname "$0")" && pwd)"
SRC="$DIR/draft-nennemann-wimse-ect.md"

# Extract docname from YAML front matter
DRAFT=$(grep '^docname:' "$SRC" | head -1 | awk '{print $2}')
if [ -z "$DRAFT" ]; then
  echo "Error: could not extract docname from $SRC"
  exit 1
fi

# Tool paths
KRAMDOWN="$(which kramdown-rfc2629 2>/dev/null)"
XML2RFC="$(which xml2rfc 2>/dev/null)"

if [ -z "$KRAMDOWN" ]; then
  echo "Error: kramdown-rfc2629 not found. Install with: gem install kramdown-rfc2629"
  exit 1
fi
if [ -z "$XML2RFC" ]; then
  echo "Error: xml2rfc not found. Install with: pip install xml2rfc"
  exit 1
fi

export PYTHONWARNINGS="ignore::UserWarning"

echo "Building: $DRAFT"
echo "Using kramdown-rfc2629: $KRAMDOWN"
echo "Using xml2rfc:          $XML2RFC"
echo ""

# Step 1: Markdown -> XML
echo "Converting markdown to XML..."
"$KRAMDOWN" "$SRC" > "$DIR/$DRAFT.xml"

# Step 2: XML -> TXT
echo "Generating text output..."
"$XML2RFC" "$DIR/$DRAFT.xml" --text --quiet 2>/dev/null

# Step 3: XML -> HTML
echo "Generating HTML output..."
"$XML2RFC" "$DIR/$DRAFT.xml" --html --quiet 2>/dev/null

echo ""
echo "Build complete:"
echo "  $DRAFT.xml   (submit this to datatracker)"
echo "  $DRAFT.txt"
echo "  $DRAFT.html"