install

#!/bin/bash

# --- 0. Self-Update Logic ---
if [ -d "$HOME/.sentinel/.git" ]; then
    cd "$HOME/.sentinel"
    git fetch --quiet
    
    LOCAL=$(git rev-parse HEAD)
    REMOTE=$(git rev-parse @{u})

    if [ "$LOCAL" != "$REMOTE" ]; then
        echo -e "\033[0;36m\033[1m:: Update Found! Syncing with GitHub...\033[0m"
        git pull --quiet
        echo ":: Update applied. Restarting script..."
        exec "$0" "$@" 
    fi
fi

set -e

# --- Configuration ---
# Update this if your repo name differs
REPO_URL="https://github.com/CodeFXR/Sentinel.git"
INSTALL_DIR="$HOME/.sentinel"
ENTRY_MODULE="sentinel.py"

# --- Visual Styling ---
CYAN='\033[0;36m'
BOLD='\033[1m'
NC='\033[0m'

# Unknown Terminal Fix
if ! infocmp "$TERM" >/dev/null 2>&1; then
    export TERM=xterm-256color
fi

OS="$(uname -s)"
case "${OS}" in
    Linux*)     OS_NAME=Linux;;
    Darwin*)    OS_NAME=Mac;;
    *)          OS_NAME="UNKNOWN:${OS}"
esac

# --- Header ---
clear
echo -e "${CYAN}${BOLD}"
echo "     ____         __  _          __"
echo "    / __/__ ___  / /_(_)__  ___ / /"
echo "   _\ \/ -_) _ \/ __/ / _ \/ -_) /"
echo "  /___/\__/_//_/\__/_/_//_/\__/_/"
echo -e "${NC}"
echo -e ":: Detected System: $OS_NAME"

spinner() {
    local pid=$1
    local delay=0.1
    local spinstr='|/-'
    while kill -0 "$pid" 2>/dev/null; do
        local temp=${spinstr#?}
        printf " [%c] " "$spinstr"
        local spinstr=$temp${spinstr%"$temp"}
        sleep $delay
        printf "\b\b\b\b\b\b"
    done
    printf " \b\b\b\b"
}

# --- 1. Check Prerequisites ---
echo -e "${BOLD}:: Checking System...${NC}"

if ! command -v git &> /dev/null; then
    echo -e " [!] Error: Git is not installed."
    exit 1
fi

if ! command -v python3 &> /dev/null; then
    echo -e " [!] Error: Python 3 is not installed."
    exit 1
fi

# Optional: Check for smart card tools
if ! command -v pcscd &> /dev/null; then
    echo -e " [!] Warning: 'pcscd' (Smart Card Service) not found. Functionality may be limited."
fi

echo -e " [OK] System tools ready."
echo ""

# --- 2. Download ---
if [ ! -d "$INSTALL_DIR" ]; then
    echo -e "${BOLD}:: Downloading Sentinel...${NC}"
    echo -n " [>] Cloning repository..."
    git clone --quiet --depth 1 "$REPO_URL" "$INSTALL_DIR" > /dev/null 2>&1 &
    spinner $!
    echo -e " Done"
else
    cd "$INSTALL_DIR"
    git pull --quiet > /dev/null 2>&1
fi

cd "$INSTALL_DIR"

# --- 3. Setup Virtual Env ---
if [ ! -d ".venv" ]; then
    echo ""
    echo -e "${BOLD}:: Setting up Sandbox...${NC}"
    echo -n " [>] Creating virtual environment..."
    python3 -m venv .venv &
    spinner $!
    echo -e " Done"
fi

source .venv/bin/activate

echo -n " [>] Syncing dependencies..."
pip install --upgrade pip > /dev/null 2>&1
if [ -f "requirements.txt" ]; then
    pip install -r requirements.txt > /dev/null 2>&1 &
    spinner $!
    echo -e " Done"
else
    echo -e " [!] requirements.txt not found. Skipping."
fi
echo ""

# --- 4. Shell Shortcuts ---
echo -e "${BOLD}:: Finalizing...${NC}"

case "$SHELL" in
    */zsh)   SHELL_CONFIG="$HOME/.zshrc" ;;
    */bash) 
        if [ -f "$HOME/.bash_profile" ]; then SHELL_CONFIG="$HOME/.bash_profile"; else SHELL_CONFIG="$HOME/.bashrc"; fi 
        ;;
    */fish)  SHELL_CONFIG="$HOME/.config/fish/config.fish" ;;
    *)       SHELL_CONFIG="$HOME/.profile" ;;
esac

if [ -f "$SHELL_CONFIG" ]; then
    # Clean up old aliases
    if [[ "$OSTYPE" == "darwin"* ]]; then
        sed -i '' '/alias sentinel=/d' "$SHELL_CONFIG"
        sed -i '' '/alias snl=/d' "$SHELL_CONFIG"
    else
        sed -i '/alias sentinel=/d' "$SHELL_CONFIG"
        sed -i '/alias snl=/d' "$SHELL_CONFIG"
    fi

    # 1. Run in subshell so we don't change user's PWD
    # 2. Call python directly on the script
    CMD_STR="(cd $INSTALL_DIR && $INSTALL_DIR/.venv/bin/python $ENTRY_MODULE)"
    
    echo "alias sentinel="$CMD_STR"" >> "$SHELL_CONFIG"
    echo "alias snl="$CMD_STR"" >> "$SHELL_CONFIG"
    
    echo -e " [OK] Aliases added to ${CYAN}$SHELL_CONFIG${NC}"
else
    echo -e " [!] Shell config not found. Add alias manually."
fi

echo -e "${CYAN}===================================================${NC}"
echo -e "${BOLD} SENTINEL IS READY${NC}"
echo -e "${CYAN}===================================================${NC}"
echo -e "1. Restart your terminal."
echo -e "2. Launch with: ${BOLD}${CYAN}snl${NC} or ${BOLD}${CYAN}sentinel${NC}"