#!/bin/bash
# One-shot installer for project-selector
# Run after backup restore: curl -fsSL https://git.upfrontops.cloud/UpfrontOps/project-selector/raw/branch/main/install.sh | bash
# Or locally: /opt/infra/project-selector/install.sh

set -e

INSTALL_DIR="/opt/infra/project-selector"
REPO_URL="https://git.upfrontops.cloud/UpfrontOps/project-selector.git"
BASHRC="$HOME/.bashrc"
SOURCE_LINE="source $INSTALL_DIR/cw.sh"

echo "=== Project Selector Installer ==="
echo ""

# Check dependencies
echo "Checking dependencies..."

if ! command -v fzf &>/dev/null; then
    echo "Installing fzf..."
    if command -v apt-get &>/dev/null; then
        sudo apt-get update && sudo apt-get install -y fzf
    elif command -v brew &>/dev/null; then
        brew install fzf
    else
        echo "Error: Cannot install fzf. Please install manually." >&2
        exit 1
    fi
fi
echo "  fzf: OK"

if ! command -v git &>/dev/null; then
    echo "Error: git is required but not installed" >&2
    exit 1
fi
echo "  git: OK"

# Check for Node.js (required for npm claude)
if ! command -v node &>/dev/null; then
    echo "Installing Node.js..."
    if command -v apt-get &>/dev/null; then
        curl -fsSL https://deb.nodesource.com/setup_lts.x | sudo -E bash -
        sudo apt-get install -y nodejs
    elif command -v brew &>/dev/null; then
        brew install node
    else
        echo "Error: Cannot install Node.js. Please install manually." >&2
        exit 1
    fi
fi
echo "  node: OK ($(node --version))"

# Install Claude Code via npm (NOT native installer)
if ! command -v claude &>/dev/null; then
    echo "Installing Claude Code via npm..."
    sudo npm install -g @anthropic-ai/claude-code
fi
echo "  claude: OK (npm)"

# Clone or update repo
echo ""
if [ -d "$INSTALL_DIR/.git" ]; then
    echo "Updating existing installation..."
    cd "$INSTALL_DIR"
    git fetch origin
    git reset --hard origin/main 2>/dev/null || git reset --hard origin/master
else
    echo "Cloning project-selector..."
    mkdir -p "$(dirname "$INSTALL_DIR")"
    git clone "$REPO_URL" "$INSTALL_DIR"
fi

# Add to bashrc if not already present
echo ""
if grep -qF "$SOURCE_LINE" "$BASHRC" 2>/dev/null; then
    echo "Already in $BASHRC"
else
    echo "Adding to $BASHRC..."
    echo "" >> "$BASHRC"
    echo "# Project Selector for Claude Code" >> "$BASHRC"
    echo "$SOURCE_LINE" >> "$BASHRC"
fi

echo ""
echo "=== Installation Complete ==="
echo ""
echo "Run 'source ~/.bashrc' or start a new terminal, then use 'cw' to start."
echo ""