#!/bin/sh
# mawam — self-hosted, non-custodial paper-trading grid bot.
# Installs a self-contained build (bundled Node + engine) — no Docker, no Node needed.
#
#   curl -fsSL https://mawam.app/install.sh | sh
#
# Env overrides: MAWAM_VERSION=0.1.0   MAWAM_TARBALL_URL=file:///path/to.tar.gz
set -eu

REPO="mjatp/mawam-curl-release"

OS="$(uname -s | tr '[:upper:]' '[:lower:]')"
ARCH="$(uname -m)"
case "$ARCH" in aarch64|arm64) ARCH=arm64 ;; x86_64|amd64) ARCH=x64 ;; *) echo "mawam: unsupported CPU arch '$ARCH'"; exit 1 ;; esac
case "$OS" in darwin|linux) ;; *) echo "mawam: unsupported OS '$OS' (macOS and Linux only)"; exit 1 ;; esac

VERSION="${MAWAM_VERSION:-}"
if [ -z "$VERSION" ]; then
  echo "Finding the latest mawam release…"
  VERSION="$(curl -fsSL "https://api.github.com/repos/$REPO/releases" \
    | grep -o '"tag_name": *"mawam-v[^"]*"' | head -1 | sed 's/.*mawam-v//; s/"$//')"
fi
[ -n "$VERSION" ] || { echo "mawam: could not determine the latest version (set MAWAM_VERSION=…)"; exit 1; }

DIR="mawam-$VERSION-$OS-$ARCH"
TARBALL="$DIR.tar.gz"
URL="${MAWAM_TARBALL_URL:-https://github.com/$REPO/releases/download/mawam-v$VERSION/$TARBALL}"
APP="$HOME/.mawam/app"
BIN="$HOME/.local/bin"

echo "Installing mawam $VERSION ($OS-$ARCH)…"
TMP="$(mktemp -d)"
trap 'rm -rf "$TMP"' EXIT
if ! curl -fSL "$URL" -o "$TMP/$TARBALL"; then
  echo "mawam: couldn't download $URL"
  [ "$OS" = darwin ] && echo "  (no self-contained macOS build yet; run mawam with Docker instead: ghcr.io/mjatp/mawam)"
  exit 1
fi
tar xzf "$TMP/$TARBALL" -C "$TMP"

mkdir -p "$HOME/.mawam"        # app dir is replaced; state/ + logs/ (data) are preserved
rm -rf "$APP"
mv "$TMP/$DIR" "$APP"

mkdir -p "$BIN"
# a wrapper (not a symlink) so the launcher resolves its own app dir from $0
cat > "$BIN/mawam" <<EOF
#!/bin/sh
exec "$APP/mawam" "\$@"
EOF
chmod +x "$BIN/mawam"

echo ""
echo "✓ mawam $VERSION installed to $APP"
case ":$PATH:" in
  *":$BIN:"*) ;;
  *) echo "  Add $BIN to your PATH:  echo 'export PATH=\"$BIN:\$PATH\"' >> ~/.profile && . ~/.profile" ;;
esac
echo ""
echo "  Start it:   mawam start        then open the printed URL (paper trading, free)"
echo "  Run 24/7:   mawam start --lan  exposes it on your network (needs the access token)"
echo "  Manage:     mawam status | logs -f | stop"