#!/bin/bash

# Demo: Git Credential Manager in Console Mode
# This script demonstrates how credential managers work without GUI

echo "=== Git Credential Manager Console Demo ==="
echo

# Check available credential managers
echo "1. Checking available credential managers..."
if command -v git-credential-manager >/dev/null 2>&1; then
    echo "✓ Git Credential Manager (GCM) found: $(git-credential-manager --version)"
else
    echo "✗ Git Credential Manager not found"
fi

if [[ "$OSTYPE" == "darwin"* ]]; then
    if git config --global --get credential.helper 2>/dev/null | grep -q "osxkeychain"; then
        echo "✓ macOS Keychain helper configured"
    fi
elif [[ "$OSTYPE" == "linux-gnu"* ]]; then
    if command -v gnome-keyring-daemon >/dev/null 2>&1; then
        echo "✓ GNOME Keyring available"
    fi
fi

echo
echo "2. Current Git credential configuration:"
git config --global --show-origin --get credential.helper 2>/dev/null || echo "No global credential helper configured"

echo
echo "3. Testing credential storage (console mode)..."
echo "This demonstrates how credentials are stored/retrieved without GUI"

# Create a test credential input
cat << 'EOF' | git credential-manager get 2>/dev/null || echo "Credential manager ready for input"
protocol=https
host=example.com
username=testuser
EOF

echo
echo "4. How it works in console:"
echo "   - First 'git push/pull' prompts for username/token"
echo "   - Credential manager stores them securely"
echo "   - Subsequent operations use stored credentials automatically"
echo "   - No GUI required - all terminal-based"

echo
echo "5. Available commands (all console-based):"
echo "   git credential-manager configure   # Configure settings"
echo "   git credential-manager erase       # Remove stored credentials"
echo "   git credential-manager approve      # Approve credential storage"
echo "   git credential-manager reject      # Reject credential storage"

echo
echo "=== Demo Complete ==="