#!/bin/bash
# Add Host 'im' to Ansible Management
# Target: 192.168.12.3 (different subnet)
# Run this on the control server (CT 127)

set -e

HOST_ALIAS="im"
HOST_IP="192.168.12.3"
HOST_USER="maddox"
HOST_PORT="22"

echo "=== Adding Host '$HOST_ALIAS' to Ansible Management ==="
echo "IP: $HOST_IP"
echo "User: $HOST_USER"
echo ""

# ============================================
# 1. Add to ~/.ssh/config
# ============================================

if grep -q "^Host $HOST_ALIAS$" ~/.ssh/config 2>/dev/null; then
    echo "⚠️  Host '$HOST_ALIAS' already exists in ~/.ssh/config - skipping"
else
    cat >> ~/.ssh/config << EOF

Host $HOST_ALIAS
    HostName $HOST_IP
    User $HOST_USER
EOF
    echo "✅ Added '$HOST_ALIAS' to ~/.ssh/config"
fi

# ============================================
# 2. Add to tmux-hosts.conf (if exists)
# ============================================

if [ -f ~/.ssh/tmux-hosts.conf ]; then
    if grep -q "^$HOST_ALIAS$" ~/.ssh/tmux-hosts.conf 2>/dev/null; then
        echo "⚠️  Host '$HOST_ALIAS' already in tmux-hosts.conf - skipping"
    else
        echo "$HOST_ALIAS" >> ~/.ssh/tmux-hosts.conf
        echo "✅ Added '$HOST_ALIAS' to tmux-hosts.conf"
    fi
else
    echo "ℹ️  No tmux-hosts.conf found - skipping"
fi

# ============================================
# 3. Create inventory snippet
# ============================================

INVENTORY_FILE=~/clustered-fucks/inventory/hosts.yml

echo ""
echo "============================================"
echo "=== Ansible Inventory Update Required ==="
echo "============================================"
echo ""
echo "Add the following to $INVENTORY_FILE"
echo ""
echo "Under 'docker_hosts > hosts:' section:"
echo "----------------------------------------"
cat << 'EOF'
        im:
          ansible_host: 192.168.12.3
          ansible_user: maddox
          docker_appdata: /volume1/docker
EOF
echo "----------------------------------------"
echo ""
echo "Make sure 'im' is also included in these groups:"
echo "  - all_managed (children section)"
echo ""

# ============================================
# 4. Test SSH connectivity
# ============================================

echo "============================================"
echo "=== Testing SSH Connectivity ==="
echo "============================================"
echo ""
echo "Attempting: ssh -o ConnectTimeout=5 -o BatchMode=yes $HOST_ALIAS 'echo OK'"
echo ""

if ssh -o ConnectTimeout=5 -o BatchMode=yes $HOST_ALIAS 'echo OK' 2>/dev/null; then
    echo "✅ SSH connection successful (key already authorized)"
else
    echo "⚠️  SSH key not authorized or host unreachable"
    echo ""
    echo "To copy your SSH key, run:"
    echo "  ssh-copy-id $HOST_ALIAS"
    echo ""
    echo "If host is unreachable, verify:"
    echo "  - Host is powered on"
    echo "  - IP $HOST_IP is correct"
    echo "  - Routing exists to 192.168.12.x subnet"
    echo "  - SSH service is running on target"
fi

echo ""
echo "============================================"
echo "=== Next Steps ==="
echo "============================================"
echo ""
echo "1. COPY SSH KEY (if needed):"
echo "   ssh-copy-id $HOST_ALIAS"
echo ""
echo "2. EDIT ANSIBLE INVENTORY:"
echo "   vim ~/clustered-fucks/inventory/hosts.yml"
echo "   # Add the YAML snippet shown above"
echo ""
echo "3. TEST ANSIBLE CONNECTION:"
echo "   cd ~/clustered-fucks"
echo "   ansible $HOST_ALIAS -m ping"
echo ""
echo "4. VERIFY GROUP MEMBERSHIP:"
echo "   ansible-inventory --graph"
echo ""
echo "5. COMMIT TO GIT:"
echo "   cd ~/clustered-fucks"
echo "   git add -A && git commit -m 'Add host im (192.168.12.3) to inventory' && git push"
echo ""
echo "============================================"
echo "Done! Host '$HOST_ALIAS' added to SSH config."
echo "Remember to manually update the Ansible inventory."
echo "============================================"