#!/usr/bin/env sh
# Mosaic Bootstrap — Remote Installer (POSIX)
#
# One-liner:
#   curl -sL https://git.mosaicstack.dev/mosaic/bootstrap/raw/branch/main/remote-install.sh | sh
#
# Or with wget:
#   wget -qO- https://git.mosaicstack.dev/mosaic/bootstrap/raw/branch/main/remote-install.sh | sh
#
set -eu

BOOTSTRAP_REF="${MOSAIC_BOOTSTRAP_REF:-main}"
ARCHIVE_URL="https://git.mosaicstack.dev/mosaic/bootstrap/archive/${BOOTSTRAP_REF}.tar.gz"
TMPDIR_BASE="${TMPDIR:-/tmp}"
WORK_DIR="$TMPDIR_BASE/mosaic-bootstrap-$$"

cleanup() {
  rm -rf "$WORK_DIR"
}
trap cleanup EXIT

echo "[mosaic] Downloading bootstrap archive (ref: $BOOTSTRAP_REF)..."

mkdir -p "$WORK_DIR"

if command -v curl >/dev/null 2>&1; then
  curl -sL "$ARCHIVE_URL" | tar xz -C "$WORK_DIR"
elif command -v wget >/dev/null 2>&1; then
  wget -qO- "$ARCHIVE_URL" | tar xz -C "$WORK_DIR"
else
  echo "[mosaic] ERROR: curl or wget required" >&2
  exit 1
fi

if [ ! -f "$WORK_DIR/bootstrap/install.sh" ]; then
  echo "[mosaic] ERROR: install.sh not found in archive" >&2
  exit 1
fi

cd "$WORK_DIR/bootstrap"

# Prefer TypeScript wizard if Node.js 18+ and bundle are available
WIZARD_BIN="$WORK_DIR/bootstrap/dist/mosaic-wizard.mjs"
if command -v node >/dev/null 2>&1 && [ -f "$WIZARD_BIN" ]; then
  NODE_MAJOR="$(node -e 'console.log(process.versions.node.split(".")[0])')"
  if [ "$NODE_MAJOR" -ge 18 ] 2>/dev/null; then
    if [ -e /dev/tty ]; then
      echo "[mosaic] Running wizard installer (Node.js $NODE_MAJOR detected)..."
      node "$WIZARD_BIN" --source-dir "$WORK_DIR/bootstrap" </dev/tty
    else
      echo "[mosaic] Running wizard installer in non-interactive mode (no TTY)..."
      node "$WIZARD_BIN" --source-dir "$WORK_DIR/bootstrap" --non-interactive
    fi
    echo "[mosaic] Cleaning up temporary files..."
    exit 0
  fi
fi

echo "[mosaic] Running legacy install..."
bash install.sh </dev/tty

echo "[mosaic] Cleaning up temporary files..."
# cleanup runs via trap