#!/usr/bin/env bash
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
PUBLIC_DIR="$SCRIPT_DIR/../web/src/koreader"

mkdir -p "$PUBLIC_DIR"

echo "Fetching latest KOReader release info..."
RELEASE_JSON=$(curl -fsSL https://api.github.com/repos/koreader/koreader/releases/latest)
VERSION=$(echo "$RELEASE_JSON" | python3 -c "import sys,json; print(json.load(sys.stdin)['tag_name'])")
DOWNLOAD_URL=$(echo "$RELEASE_JSON" | python3 -c "import sys,json; assets=json.load(sys.stdin)['assets']; print(next(a['browser_download_url'] for a in assets if 'koreader-kobo-' in a['name'] and a['name'].endswith('.zip')))")

echo "Downloading KOReader $VERSION..."
curl -fL --progress-bar -o "$PUBLIC_DIR/koreader-kobo.zip" "$DOWNLOAD_URL"
echo "  -> $(du -h "$PUBLIC_DIR/koreader-kobo.zip" | cut -f1)"

# Write release metadata so the app knows the version.
echo "{\"version\":\"$VERSION\"}" > "$PUBLIC_DIR/release.json"

echo ""
echo "Done. Assets written to: $PUBLIC_DIR"