install.sh

#!/usr/bin/env bash
# ─────────────────────────────────────────────────────────────────────────────
# redis2github installer – Ubuntu / Debian
# ─────────────────────────────────────────────────────────────────────────────
set -euo pipefail

INSTALL_BIN="/usr/local/bin/redis2github"
INSTALL_PY="/usr/local/lib/redis2github.py"
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
SCRIPT_SRC="$SCRIPT_DIR/redis2github.py"

# ── colour helpers ────────────────────────────────────────────────────────────
GREEN='\033[0;32m'; YELLOW='\033[1;33m'; RED='\033[0;31m'; NC='\033[0m'
ok()   { echo -e "${GREEN}  ✓ $*${NC}"; }
warn() { echo -e "${YELLOW}  ⚠ $*${NC}"; }
err()  { echo -e "${RED}  ✗ $*${NC}"; exit 1; }

echo ""
echo "  redis2github installer"
echo "  ─────────────────────────────────"

# ── Check OS ─────────────────────────────────────────────────────────────────
if [[ -f /etc/os-release ]]; then
    . /etc/os-release
    if [[ "$ID" != "ubuntu" && "$ID" != "debian" && "$ID_LIKE" != *"debian"* ]]; then
        warn "This installer is designed for Ubuntu/Debian.  Continuing anyway…"
    fi
fi

# ── Python 3 ──────────────────────────────────────────────────────────────────
if ! command -v python3 &>/dev/null; then
    echo "  Python 3 not found – installing via apt…"
    sudo apt-get update -qq
    sudo apt-get install -y python3 python3-pip python3-venv
    ok "Python 3 installed"
else
    PY_VER=$(python3 -c "import sys; print(f'{sys.version_info.major}.{sys.version_info.minor}')")
    ok "Python ${PY_VER} found"
fi

# ── pip ───────────────────────────────────────────────────────────────────────
if ! python3 -m pip --version &>/dev/null 2>&1; then
    echo "  pip not found – installing…"
    sudo apt-get install -y python3-pip
    ok "pip installed"
else
    ok "pip available"
fi

# ── pip packages (pre-install for faster first run) ──────────────────────────
echo "  Installing Python packages (redis, requests, cryptography)…"
PIP_EXTRA="--break-system-packages"
python3 -m pip install --quiet $PIP_EXTRA redis requests cryptography 2>/dev/null || \
python3 -m pip install --quiet redis requests cryptography 2>/dev/null || \
warn "pip install failed – packages will be installed on first run"
ok "Python packages ready"

# ── Install script ────────────────────────────────────────────────────────────
if [[ ! -f "$SCRIPT_SRC" ]]; then
    err "redis2github.py not found in $SCRIPT_DIR"
fi

# Find the absolute path to python3 so the wrapper is immune to PATH issues
PYTHON3_PATH="$(command -v python3)"
ok "Using Python at: $PYTHON3_PATH"

# Install the .py file in /usr/local/lib (not directly executed, wrapper calls it)
sudo cp "$SCRIPT_SRC" "$INSTALL_PY"
sudo chmod 644 "$INSTALL_PY"

# Create a tiny shell wrapper so the command always uses the right python3
sudo tee "$INSTALL_BIN" > /dev/null <<WRAPPER
#!/bin/bash
exec "$PYTHON3_PATH" "$INSTALL_PY" "\$@"
WRAPPER
sudo chmod +x "$INSTALL_BIN"
ok "Installed wrapper to $INSTALL_BIN"
ok "Python script at $INSTALL_PY"

# ── Config directory ──────────────────────────────────────────────────────────
mkdir -p "$HOME/.config/redis2github"
ok "Config directory: ~/.config/redis2github/"

# ── Verify ────────────────────────────────────────────────────────────────────
echo ""
if "$PYTHON3_PATH" "$INSTALL_PY" status &>/dev/null; then
    ok "redis2github is ready"
else
    ok "redis2github installed (run 'redis2github' to start)"
fi

echo ""
echo -e "${GREEN}  Installation complete!${NC}"
echo ""
echo "  Next steps:"
echo "    redis2github setup            # configure Redis + GitHub"
echo "    redis2github sync             # push IPs now"
echo "    redis2github start            # start auto-sync daemon"
echo "    redis2github install-service  # optional: run on boot"
echo ""