install.sh

#!/bin/bash
set -e

# Parse command line arguments
TARGET="$1"  # Optional target parameter (stable|latest|VERSION)

# Validate target if provided
if [[ -n "$TARGET" ]] && [[ ! "$TARGET" =~ ^(stable|latest|[0-9]+\.[0-9]+\.[0-9]+)$ ]]; then
    echo "Usage: $0 [stable|latest|VERSION]" >&2
    exit 1
fi

REPO="21nOrg/conduct"
INSTALL_DIR="${INSTALL_DIR:-$HOME/.local/bin}"
DOWNLOAD_DIR="$HOME/.conduct/downloads"

# Check for required dependencies
DOWNLOADER=""
if command -v curl >/dev/null 2>&1; then
    DOWNLOADER="curl"
elif command -v wget >/dev/null 2>&1; then
    DOWNLOADER="wget"
else
    echo "Either curl or wget is required but neither is installed" >&2
    exit 1
fi

# Download function that works with both curl and wget
download_file() {
    local url="$1"
    local output="$2"
    
    if [ "$DOWNLOADER" = "curl" ]; then
        if [ -n "$output" ]; then
            curl -fsSL -o "$output" "$url"
        else
            curl -fsSL "$url"
        fi
    elif [ "$DOWNLOADER" = "wget" ]; then
        if [ -n "$output" ]; then
            wget -q -O "$output" "$url"
        else
            wget -q -O - "$url"
        fi
    else
        return 1
    fi
}

# Detect platform
case "$(uname -s)" in
    Darwin) os="darwin" ;;
    Linux) os="linux" ;;
    *) echo "Windows is not supported by this installer. Use: npm install -g conduct-cli" >&2; exit 1 ;;
esac

case "$(uname -m)" in
    x86_64|amd64) arch="x64" ;;
    arm64|aarch64) arch="arm64" ;;
    *) echo "Unsupported architecture: $(uname -m)" >&2; exit 1 ;;
esac

platform="${os}-${arch}"

echo "╔═══════════════════════════════════════╗"
echo "║        Conduct CLI Installer          ║"
echo "╚═══════════════════════════════════════╝"
echo ""

# Determine version to install
if [ -z "$TARGET" ] || [ "$TARGET" = "stable" ]; then
    # Get latest release from GitHub
    version=$(download_file "https://api.github.com/repos/$REPO/releases/latest" | grep '"tag_name":' | sed -E 's/.*"v?([^"]+)".*/\1/')
elif [ "$TARGET" = "latest" ]; then
    version=$(download_file "https://api.github.com/repos/$REPO/releases/latest" | grep '"tag_name":' | sed -E 's/.*"v?([^"]+)".*/\1/')
else
    version="$TARGET"
fi

if [ -z "$version" ]; then
    echo "⚠️  Could not fetch version from GitHub releases."
    echo "Falling back to npm install..."
    echo ""
    
    # Fallback to npm/bun install
    if command -v bun >/dev/null 2>&1; then
        echo "Installing via Bun..."
        bun install -g conduct-cli
    elif command -v npm >/dev/null 2>&1; then
        echo "Installing via npm..."
        npm install -g conduct-cli
    else
        echo "Error: Neither Bun nor npm is installed" >&2
        echo "Install Node.js or Bun, then run: npm install -g conduct-cli" >&2
        exit 1
    fi
    
    echo ""
    echo "✅ Installation complete!"
    echo ""
    echo "🚀 Get started:"
    echo "  conduct init          # Initialize project"
    echo "  conduct --help        # Show all commands"
    echo ""
    exit 0
fi

echo "📦 Version: v$version"
echo "🖥️  Platform: $platform"
echo ""

mkdir -p "$DOWNLOAD_DIR"

# Download binary from GitHub releases
binary_name="conduct-${platform}"
download_url="https://github.com/$REPO/releases/download/v$version/$binary_name"
binary_path="$DOWNLOAD_DIR/conduct-$version-$platform"

echo "⬇️  Downloading from GitHub releases..."
if ! download_file "$download_url" "$binary_path"; then
    echo "⚠️  Pre-compiled binary not found for this platform."
    echo "Falling back to npm install..."
    echo ""
    
    # Fallback to npm/bun install
    if command -v bun >/dev/null 2>&1; then
        echo "Installing via Bun..."
        bun install -g conduct-cli
    elif command -v npm >/dev/null 2>&1; then
        echo "Installing via npm..."
        npm install -g conduct-cli
    else
        echo "Error: Neither Bun nor npm is installed" >&2
        echo "Install Node.js or Bun, then run: npm install -g conduct-cli" >&2
        exit 1
    fi
    
    echo ""
    echo "✅ Installation complete!"
    echo ""
    echo "🚀 Get started:"
    echo "  conduct init          # Initialize project"
    echo "  conduct --help        # Show all commands"
    echo ""
    exit 0
fi

# Optional: Verify checksum if checksums.txt exists
checksums_url="https://github.com/$REPO/releases/download/v$version/checksums.txt"
if download_file "$checksums_url" "$DOWNLOAD_DIR/checksums.txt" 2>/dev/null; then
    echo "🔒 Verifying checksum..."
    
    if command -v shasum >/dev/null 2>&1; then
        actual=$(shasum -a 256 "$binary_path" | cut -d' ' -f1)
    elif command -v sha256sum >/dev/null 2>&1; then
        actual=$(sha256sum "$binary_path" | cut -d' ' -f1)
    else
        echo "⚠️  Checksum verification skipped (shasum/sha256sum not found)"
        actual=""
    fi
    
    if [ -n "$actual" ]; then
        expected=$(grep "$binary_name" "$DOWNLOAD_DIR/checksums.txt" | cut -d' ' -f1)
        
        if [ "$actual" != "$expected" ]; then
            echo "❌ Checksum verification failed" >&2
            rm -f "$binary_path"
            exit 1
        fi
        echo "✅ Checksum verified"
    fi
fi

chmod +x "$binary_path"

# Install to bin directory
mkdir -p "$INSTALL_DIR"
echo "📦 Installing to $INSTALL_DIR/conduct..."

if [ -w "$INSTALL_DIR" ]; then
    mv "$binary_path" "$INSTALL_DIR/conduct"
else
    echo "🔐 Requesting sudo access..."
    sudo mv "$binary_path" "$INSTALL_DIR/conduct"
fi

# Clean up
rm -f "$DOWNLOAD_DIR/checksums.txt"

# Check if conduct is in PATH
if ! command -v conduct &> /dev/null; then
    echo ""
    echo "⚠️  conduct is installed but not in PATH"
    echo "Add this to your shell profile (~/.bashrc, ~/.zshrc, etc.):"
    echo ""
    echo "  export PATH=\"$INSTALL_DIR:\$PATH\""
    echo ""
else
    echo "✅ Installation complete!"
fi

echo ""
echo "═══════════════════════════════════════"
echo "🚀 Get started:"
echo ""
echo "  conduct init          # Initialize project"
echo "  conduct --help        # Show all commands"
echo "  conduct --version     # Show version"
echo ""
echo "📚 Documentation: https://conduct.run/docs"
echo "═══════════════════════════════════════"