#!/usr/bin/env bash
# aw-post — Quick-post a scroll from the command line
#
# Usage:
#   aw-post "Title of the Post"
#   aw-post "Title" < body.md
#   echo "Post body here" | aw-post "Title"
#
# Creates a new markdown file in blog/posts/ with frontmatter,
# then rebuilds the blog index, post pages, and RSS feed.

set -euo pipefail

REPO_DIR="$(cd "$(dirname "$0")/.." && pwd)"
BLOG_DIR="${REPO_DIR}/blog/posts"

if [ $# -lt 1 ]; then
  echo "Usage: aw-post \"Title of the Post\""
  echo "  Pipe or redirect body content via stdin."
  exit 1
fi

TITLE="$1"
DATE=$(date +%Y-%m-%d)
SLUG=$(echo "$TITLE" | tr '[:upper:]' '[:lower:]' | tr ' ' '-' | tr -cd 'a-z0-9-')
FILENAME="${DATE}-${SLUG}.md"
FILEPATH="${BLOG_DIR}/${FILENAME}"

if [ -f "$FILEPATH" ]; then
  echo "Error: $FILEPATH already exists"
  exit 1
fi

# Read body from stdin if available
BODY=""
if [ ! -t 0 ]; then
  BODY=$(cat)
fi

cat > "$FILEPATH" << EOF
---
title: "${TITLE}"
date: ${DATE}
---

${BODY}
EOF

echo "Created: ${FILEPATH}"

# Rebuild the blog
python3 "${REPO_DIR}/scripts/build.py"