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

DIST_DIR="${DIST_DIR:-dist}"
REMOTE_ROOT="${RELEASE_DEPLOY_REMOTE_ROOT:-/}"
HOST="${RELEASE_DEPLOY_HOST:-}"
USER_NAME="${RELEASE_DEPLOY_USER:-}"
PASSWORD="${RELEASE_DEPLOY_PASSWORD:-}"
DEPLOY_URL="${RELEASE_DEPLOY_URL:-}"

if [[ ! -d "$DIST_DIR" ]]; then
  echo "Missing dist directory: $DIST_DIR" >&2
  exit 1
fi

if ! command -v lftp >/dev/null 2>&1; then
  echo "lftp is required for FTP/SFTP uploads." >&2
  exit 1
fi

if [[ -z "$DEPLOY_URL" ]]; then
  if [[ -z "$HOST" || -z "$USER_NAME" || -z "$PASSWORD" ]]; then
    echo "Set RELEASE_DEPLOY_URL or RELEASE_DEPLOY_HOST, RELEASE_DEPLOY_USER, and RELEASE_DEPLOY_PASSWORD." >&2
    exit 1
  fi
  DEPLOY_URL="ftp://${USER_NAME}:${PASSWORD}@${HOST}"
fi

upload_file() {
  local source_file="$1"
  local remote_file="$2"
  if [[ -f "$source_file" ]]; then
    lftp "$DEPLOY_URL" -e "set ftp:ssl-allow true; set net:max-retries 3; set net:timeout 20; cd \"$REMOTE_ROOT\"; put -O \"$(dirname "$remote_file")\" \"$source_file\" -o \"$(basename "$remote_file")\"; bye"
  fi
}

for directory in assets resources favicons icons img sounds .well-known; do
  if [[ -d "$DIST_DIR/$directory" ]]; then
    lftp "$DEPLOY_URL" -e "set ftp:ssl-allow true; set net:max-retries 3; set net:timeout 20; cd \"$REMOTE_ROOT\"; mirror -R --only-newer --parallel=4 \"$DIST_DIR/$directory\" \"$directory\"; bye"
  fi
done

find "$DIST_DIR" -maxdepth 1 -type f \
  ! -name 'index.html' \
  ! -name 'release-entry.json' \
  ! -name 'release-manifest.json' \
  -print0 | while IFS= read -r -d '' file; do
  upload_file "$file" "$(basename "$file")"
done

upload_file "$DIST_DIR/release-manifest.json" "release-manifest.json"
upload_file "$DIST_DIR/release-entry.json" "release-entry.json"
upload_file "$DIST_DIR/index.html" "index.html"