#!/usr/bin/env bash
# Ageri installer — Linux & macOS
# Usage: curl -sSL https://get.ageri.ai/install.sh | bash
set -e

AGERI_REPO="https://github.com/misterhuydo/ageri"
AGERI_HOME="${AGERI_HOME:-$HOME/ageri}"
PORT="${AGERI_PORT:-7821}"
VENV="$AGERI_HOME/venv"
MIN_PYTHON_MINOR=10

_red()   { printf '\033[31m%s\033[0m\n' "$*"; }
_green() { printf '\033[32m%s\033[0m\n' "$*"; }
_bold()  { printf '\033[1m%s\033[0m\n'  "$*"; }

echo ""
_bold "  Ageri — Personal AI Operating System"
echo "  ───────────────────────────────────────"
echo ""

# ── 1. Check Python ──────────────────────────────────────────────────────────
if ! command -v python3 &>/dev/null; then
    _red "Error: Python 3 not found. Install from https://python.org and re-run."
    exit 1
fi

PYTHON_MAJOR=$(python3 -c 'import sys; print(sys.version_info.major)')
PYTHON_MINOR=$(python3 -c 'import sys; print(sys.version_info.minor)')
if [ "$PYTHON_MAJOR" -lt 3 ] || { [ "$PYTHON_MAJOR" -eq 3 ] && [ "$PYTHON_MINOR" -lt $MIN_PYTHON_MINOR ]; }; then
    _red "Error: Python 3.$MIN_PYTHON_MINOR+ required (found Python $PYTHON_MAJOR.$PYTHON_MINOR)."
    exit 1
fi
echo "  ✓ Python $PYTHON_MAJOR.$PYTHON_MINOR"

# ── 2. Create workspace ───────────────────────────────────────────────────────
mkdir -p "$AGERI_HOME"

# ── 3. Create / reuse venv ────────────────────────────────────────────────────
if [ ! -d "$VENV" ]; then
    echo "  Creating virtual environment..."
    python3 -m venv "$VENV"
fi
# shellcheck disable=SC1091
source "$VENV/bin/activate"

# ── 4. Install Ageri ──────────────────────────────────────────────────────────
echo "  Installing Ageri..."
pip install --quiet --upgrade pip
pip install --quiet "ageri @ git+$AGERI_REPO"
_green "  ✓ Ageri installed"

# ── 5. Write launcher script ──────────────────────────────────────────────────
LAUNCHER="$AGERI_HOME/start.sh"
cat > "$LAUNCHER" << EOF
#!/usr/bin/env bash
source "$VENV/bin/activate"
exec python -m ageri "\$@"
EOF
chmod +x "$LAUNCHER"

# ── 6. Done ───────────────────────────────────────────────────────────────────
echo ""
_bold "  Done! Start Ageri:"
echo ""
echo "    $LAUNCHER"
echo ""
echo "  Then open: http://localhost:$PORT"
echo ""
echo "  To start Ageri automatically on login, add this to your shell profile:"
echo "    nohup $LAUNCHER &>/dev/null &"
echo ""