#!/bin/bash
set -e

# Configuration
UNRAID_HOST="root@192.168.2.61"
REMOTE_PATH="/boot/config/plugins/compose.manager/projects/subspace-tv"
GIT_HOST="git.michaelsimard.ca"
GIT_PORT="28"
GIT_REPO="git@git.michaelsimard.ca:msimard/subspace-tv.git"

echo "=== Subspace TV - Unraid Setup ==="
echo ""

# Check local .env exists
if [ ! -f ".env" ]; then
    echo "ERROR: Local .env file not found"
    echo "Copy .env.example to .env and configure it first"
    exit 1
fi

echo "Step 1: Checking SSH connectivity to Unraid..."
if ! ssh -o ConnectTimeout=5 "$UNRAID_HOST" "echo 'Connected'" 2>/dev/null; then
    echo "ERROR: Cannot connect to Unraid at $UNRAID_HOST"
    echo "Ensure SSH is enabled and key-based auth is configured"
    exit 1
fi
echo "  Connected to Unraid"

echo ""
echo "Step 2: Configuring SSH for git server on Unraid..."
ssh "$UNRAID_HOST" bash <<EOF
# Create .ssh directory if needed
mkdir -p ~/.ssh
chmod 700 ~/.ssh

# Check if SSH key exists
if [ ! -f ~/.ssh/id_ed25519 ]; then
    echo "  Generating SSH key..."
    ssh-keygen -t ed25519 -f ~/.ssh/id_ed25519 -N "" -q
    echo ""
    echo "=== ACTION REQUIRED ==="
    echo "Add this public key to Gitea:"
    echo ""
    cat ~/.ssh/id_ed25519.pub
    echo ""
    echo "========================"
else
    echo "  SSH key already exists"
fi

# Configure SSH for git server
if ! grep -q "Host $GIT_HOST" ~/.ssh/config 2>/dev/null; then
    echo "  Adding git server to SSH config..."
    cat >> ~/.ssh/config <<SSHCONFIG

Host $GIT_HOST
    HostName $GIT_HOST
    Port $GIT_PORT
    User git
    IdentityFile ~/.ssh/id_ed25519
    StrictHostKeyChecking accept-new
SSHCONFIG
    chmod 600 ~/.ssh/config
else
    echo "  Git server already in SSH config"
fi
EOF

echo ""
echo "Step 3: Creating project directory on Unraid..."
ssh "$UNRAID_HOST" "mkdir -p $REMOTE_PATH"
echo "  Directory ready: $REMOTE_PATH"

echo ""
echo "Step 4: Copying .env to Unraid..."
scp -q ".env" "$UNRAID_HOST:$REMOTE_PATH/.env"
echo "  .env copied"

echo ""
echo "Step 5: Copying config/ to Unraid..."
if [ -d "config" ]; then
    ssh "$UNRAID_HOST" "mkdir -p $REMOTE_PATH/config"
    scp -q config/* "$UNRAID_HOST:$REMOTE_PATH/config/"
    echo "  config/ copied"
else
    echo "  WARNING: Local config/ directory not found"
    echo "  Create config/authorized_devices.json manually on Unraid"
fi

echo ""
echo "Step 6: Testing git connectivity from Unraid..."
if ssh "$UNRAID_HOST" "ssh -o ConnectTimeout=10 -p $GIT_PORT git@$GIT_HOST 2>&1 | grep -q 'successfully authenticated'"; then
    echo "  Git server accessible"
else
    echo ""
    echo "WARNING: Git authentication may not be configured"
    echo "Ensure the Unraid SSH public key is added to Gitea"
    echo ""
    echo "To view the public key, run:"
    echo "  ssh $UNRAID_HOST 'cat ~/.ssh/id_ed25519.pub'"
fi

echo ""
echo "=== Setup Complete ==="
echo ""
echo "Next steps:"
echo "  1. Ensure git push is up to date"
echo "  2. Run ./deploy.sh to deploy"