#!/bin/bash

# Configucci Docker Deployment Script
# Usage: ./deploy-docker.sh [server]

set -e

# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color

# Configuration
SERVER="${1:-}"
APP_NAME="configucci"
GIT_BRANCH="main"

echo -e "${GREEN}==================================${NC}"
echo -e "${GREEN}  Configucci Docker Deployment   ${NC}"
echo -e "${GREEN}==================================${NC}"

# Function to deploy locally
deploy_local() {
    echo -e "${YELLOW}Building Docker image...${NC}"
    docker-compose build --no-cache
    
    echo -e "${YELLOW}Stopping existing container (if any)...${NC}"
    docker-compose down || true
    
    echo -e "${YELLOW}Starting new container...${NC}"
    docker-compose up -d
    
    echo -e "${YELLOW}Waiting for application to start...${NC}"
    sleep 5
    
    echo -e "${GREEN}==================================${NC}"
    echo -e "${GREEN}  Deployment Complete!          ${NC}"
    echo -e "${GREEN}==================================${NC}"
    echo ""
    echo -e "Application URL: ${GREEN}http://localhost${NC}"
    echo ""
    echo -e "Useful commands:"
    echo -e "  View logs:        ${YELLOW}docker-compose logs -f${NC}"
    echo -e "  Stop app:         ${YELLOW}docker-compose down${NC}"
    echo -e "  Restart app:      ${YELLOW}docker-compose restart${NC}"
    echo -e "  Rebuild:          ${YELLOW}docker-compose build && docker-compose up -d${NC}"
}

# Function to deploy to remote server
deploy_remote() {
    echo -e "${YELLOW}Deploying to server: ${SERVER}${NC}"
    
    # Check if server is accessible
    if ! ping -c 1 "$SERVER" &> /dev/null; then
        echo -e "${RED}Cannot connect to server: ${SERVER}${NC}"
        exit 1
    fi
    
    # Create deployment script on server
    cat << 'EOF' > /tmp/deploy-configucci.sh
#!/bin/bash
set -e

APP_DIR="/opt/configucci"
GIT_URL="https://git.six83.ru/ssa/configucci.git"
GIT_BRANCH="main"

echo "Creating app directory..."
mkdir -p \$APP_DIR
cd \$APP_DIR

echo "Pulling latest code..."
if [ -d ".git" ]; then
    git pull origin \$GIT_BRANCH
else
    git clone --depth 1 --branch \$GIT_BRANCH \$GIT_URL .
fi

echo "Building Docker image..."
docker-compose build --no-cache

echo "Stopping existing container..."
docker-compose down || true

echo "Starting new container..."
docker-compose up -d

echo "Cleaning up old images..."
docker image prune -f

echo "Deployment complete!"
docker-compose ps
EOF

    # Copy docker-compose.yml to server
    echo -e "${YELLOW}Copying files to server...${NC}"
    scp docker-compose.yml Dockerfile nginx.conf "$SERVER:/tmp/"
    
    # Execute deployment on server
    echo -e "${YELLOW}Executing deployment on server...${NC}"
    ssh "$SERVER" << 'ENDSSH'
#!/bin/bash
set -e

APP_DIR="/opt/configucci"
cd $APP_DIR

# Copy files from /tmp
cp /tmp/docker-compose.yml .
cp /tmp/Dockerfile .
cp /tmp/nginx.conf .

# Build and deploy
docker-compose build --no-cache
docker-compose down || true
docker-compose up -d

# Cleanup
docker image prune -f
docker-compose ps
ENDSSH
    
    echo -e "${GREEN}==================================${NC}"
    echo -e "${GREEN}  Remote Deployment Complete!   ${NC}"
    echo -e "${GREEN}==================================${NC}"
    echo ""
    echo -e "Server: ${GREEN}http://${SERVER}${NC}"
    echo ""
    echo -e "Useful commands:"
    echo -e "  SSH to server:    ${YELLOW}ssh ${SERVER}${NC}"
    echo -e "  View logs:        ${YELLOW}ssh ${SERVER} 'docker-compose logs -f'${NC}"
    echo -e "  Stop app:         ${YELLOW}ssh ${SERVER} 'docker-compose down'${NC}"
}

# Check if Docker is available
if ! command -v docker &> /dev/null; then
    echo -e "${RED}Docker is not installed or not in PATH${NC}"
    exit 1
fi

if ! command -v docker-compose &> /dev/null; then
    echo -e "${RED}docker-compose is not installed or not in PATH${NC}"
    exit 1
fi

# Deploy
if [ -z "$SERVER" ]; then
    deploy_local
else
    deploy_remote
fi