#!/bin/bash

# Lions Dev Client Deployment Script
# This script deploys the Lions Dev application using lionsctl pipeline

set -euo pipefail

# Configuration
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
LIONSCTL_PATH="${SCRIPT_DIR}/../lions-infrastructure-2025/lionsctl/lionsctl.exe"
REPO_URL="https://git.lions.dev/lionsctl-bot/lionsctl-deployments"
BRANCH="main"
JAVA_VERSION=17
NOTIFICATION_EMAIL="gbanedahoud@gmail.com"

# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m' # No Color

# Logging functions
log_info() {
    echo -e "${BLUE}[INFO]${NC} $1"
}

log_success() {
    echo -e "${GREEN}[SUCCESS]${NC} $1"
}

log_warning() {
    echo -e "${YELLOW}[WARNING]${NC} $1"
}

log_error() {
    echo -e "${RED}[ERROR]${NC} $1"
}

# Help function
show_help() {
    cat << EOF
Lions Dev Client Deployment Script

Usage: $0 [OPTIONS]

OPTIONS:
    -e, --environment    Target environment (dev|staging|production) [default: production]
    -c, --cluster        Target cluster (k1|k2) [default: k2 for production, k1 for dev/staging]
    -b, --branch         Git branch to deploy [default: main]
    -m, --email          Notification email [default: gbanedahoud@gmail.com]
    -j, --java-version   Java version to use [default: 17]
    -h, --help           Show this help message

EXAMPLES:
    # Deploy to production (default)
    $0

    # Deploy to staging
    $0 --environment staging

    # Deploy to development
    $0 --environment dev --cluster k1

    # Deploy specific branch to production
    $0 --branch feature/new-design --environment production

ENVIRONMENTS:
    - dev:        Development environment on k1 cluster (dev.lions.dev)
    - staging:    Staging environment on k1 cluster (staging.lions.dev)
    - production: Production environment on k2 cluster (lions.dev)

EOF
}

# Parse command line arguments
ENVIRONMENT="production"
CLUSTER=""
EMAIL="$NOTIFICATION_EMAIL"

while [[ $# -gt 0 ]]; do
    case $1 in
        -e|--environment)
            ENVIRONMENT="$2"
            shift 2
            ;;
        -c|--cluster)
            CLUSTER="$2"
            shift 2
            ;;
        -b|--branch)
            BRANCH="$2"
            shift 2
            ;;
        -m|--email)
            EMAIL="$2"
            shift 2
            ;;
        -j|--java-version)
            JAVA_VERSION="$2"
            shift 2
            ;;
        -h|--help)
            show_help
            exit 0
            ;;
        *)
            log_error "Unknown option: $1"
            show_help
            exit 1
            ;;
    esac
done

# Set default cluster based on environment if not specified
if [[ -z "$CLUSTER" ]]; then
    case $ENVIRONMENT in
        production)
            CLUSTER="k2"
            ;;
        dev|staging)
            CLUSTER="k1"
            ;;
        *)
            log_error "Invalid environment: $ENVIRONMENT. Must be dev, staging, or production."
            exit 1
            ;;
    esac
fi

# Validate inputs
if [[ ! "$ENVIRONMENT" =~ ^(dev|staging|production)$ ]]; then
    log_error "Invalid environment: $ENVIRONMENT. Must be dev, staging, or production."
    exit 1
fi

if [[ ! "$CLUSTER" =~ ^(k1|k2)$ ]]; then
    log_error "Invalid cluster: $CLUSTER. Must be k1 or k2."
    exit 1
fi

# Check if lionsctl exists
if [[ ! -f "$LIONSCTL_PATH" ]]; then
    log_error "lionsctl not found at: $LIONSCTL_PATH"
    log_info "Please build lionsctl first:"
    log_info "  cd ../lions-infrastructure-2025/lionsctl && go build -o lionsctl.exe"
    exit 1
fi

# Display deployment information
log_info "🚀 Lions Dev Client Deployment"
log_info "================================"
log_info "Repository:   $REPO_URL"
log_info "Branch:       $BRANCH"
log_info "Environment:  $ENVIRONMENT"
log_info "Cluster:      $CLUSTER"
log_info "Java Version: $JAVA_VERSION"
log_info "Email:        $EMAIL"
log_info "================================"

# Confirm deployment
if [[ "$ENVIRONMENT" == "production" ]]; then
    log_warning "⚠️  You are about to deploy to PRODUCTION!"
    log_warning "This will affect the live Lions Dev website at https://lions.dev"
    read -p "Are you sure you want to continue? (y/N): " -n 1 -r
    echo
    if [[ ! $REPLY =~ ^[Yy]$ ]]; then
        log_info "Deployment cancelled."
        exit 0
    fi
fi

# Execute deployment
log_info "🔄 Starting deployment..."

"$LIONSCTL_PATH" pipeline \
    --url "$REPO_URL" \
    --branch "$BRANCH" \
    --java-version "$JAVA_VERSION" \
    --environment "$ENVIRONMENT" \
    --cluster "$CLUSTER" \
    --mail "$EMAIL" \
    --verbose

DEPLOYMENT_STATUS=$?

if [[ $DEPLOYMENT_STATUS -eq 0 ]]; then
    log_success "🎉 Deployment completed successfully!"
    
    case $ENVIRONMENT in
        production)
            log_success "✅ Lions Dev is now live at: https://lions.dev"
            ;;
        staging)
            log_success "✅ Staging environment is available at: https://staging.lions.dev"
            ;;
        dev)
            log_success "✅ Development environment is available at: https://dev.lions.dev"
            ;;
    esac
    
    log_info "📊 You can monitor the deployment at:"
    log_info "  - Kubernetes Dashboard: https://k8s.lions.dev"
    log_info "  - Grafana Monitoring: https://grafana.lions.dev"
    log_info "  - Application Logs: kubectl logs -n lions-apps -l app=lionsdev-client"
    
else
    log_error "❌ Deployment failed with exit code: $DEPLOYMENT_STATUS"
    log_info "🔍 Check the logs above for error details"
    log_info "📧 A notification email has been sent to: $EMAIL"
    exit $DEPLOYMENT_STATUS
fi