install-ralph.sh

#!/bin/bash
set -e

# Colors
GREEN='\033[0;32m'
BLUE='\033[0;34m'
YELLOW='\033[1;33m'
NC='\033[0m'

echo -e "${BLUE}=== Ralph Claude Code Setup ===${NC}"
echo ""

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
INSTALL_DIR="${HOME}/.local/bin"

# Check for jq (optional, for auto-completion detection)
echo -e "${BLUE}Checking optional dependencies...${NC}"
if ! command -v jq &> /dev/null; then
    echo -e "${YELLOW}Note: jq is not installed (optional)${NC}"
    echo -e "${YELLOW}jq enables auto-completion detection in AFK mode${NC}"
    echo ""
    if [[ "$OSTYPE" == "darwin"* ]]; then
        echo "Install with: brew install jq"
    elif command -v apt &> /dev/null; then
        echo "Install with: sudo apt install jq"
    elif command -v dnf &> /dev/null; then
        echo "Install with: sudo dnf install jq"
    else
        echo "Install jq from: https://jqlang.github.io/jq/download/"
    fi
    echo ""
else
    echo -e "${GREEN}jq found (auto-completion detection enabled)${NC}"
fi

# Create install directory if it doesn't exist
mkdir -p "$INSTALL_DIR"

# Copy ralph.sh to install directory
echo -e "${BLUE}Installing ralph script...${NC}"
cp "$SCRIPT_DIR/ralph.sh" "$INSTALL_DIR/ralph"
chmod +x "$INSTALL_DIR/ralph"

# Check if INSTALL_DIR is in PATH
if [[ ":$PATH:" != *":$INSTALL_DIR:"* ]]; then
    echo -e "${YELLOW}Adding $INSTALL_DIR to PATH...${NC}"

    # Detect shell and add to appropriate config
    SHELL_NAME=$(basename "$SHELL")
    case $SHELL_NAME in
        bash)
            echo 'export PATH="$HOME/.local/bin:$PATH"' >> ~/.bashrc
            echo -e "${GREEN}Added to ~/.bashrc${NC}"
            ;;
        zsh)
            echo 'export PATH="$HOME/.local/bin:$PATH"' >> ~/.zshrc
            echo -e "${GREEN}Added to ~/.zshrc${NC}"
            ;;
        fish)
            mkdir -p ~/.config/fish
            echo 'set -gx PATH $HOME/.local/bin $PATH' >> ~/.config/fish/config.fish
            echo -e "${GREEN}Added to ~/.config/fish/config.fish${NC}"
            ;;
        *)
            echo -e "${YELLOW}Please add this to your shell config manually:${NC}"
            echo 'export PATH="$HOME/.local/bin:$PATH"'
            ;;
    esac
fi

echo ""
echo -e "${GREEN}=== Installation Complete ===${NC}"
echo ""
echo "Usage examples:"
echo "  ralph                    # HITL mode, single iteration"
echo "  ralph -m afk 5           # AFK mode, 5 autonomous iterations"
echo "  ralph -m afk -s 5        # AFK mode with Docker sandbox (requires setup)"
echo "  ralph -h                 # Show help"
echo ""
echo -e "${BLUE}AFK Mode Features:${NC}"
echo "  - Autonomous task execution"
echo "  - Auto-stops when all PRD tasks complete (requires jq)"
echo "  - Signed commits after each iteration"
echo ""
echo -e "${BLUE}Docker Sandbox Setup (optional, for isolated execution):${NC}"
echo "  cd /your/project"
echo "  docker sandbox run claude .   # Create sandbox"
echo "  /login                        # Authenticate inside sandbox"
echo "  # Exit, then use: ralph -m afk -s 5"
echo ""
echo -e "${YELLOW}Note: Restart your terminal or run 'source ~/.bashrc' (or ~/.zshrc) to use the 'ralph' command${NC}"