#!/bin/bash
#
# Deploy script for dev.coppertone.tech
# Builds and restarts containers with zero-downtime strategy
#
# Usage:
#   ./deploy.sh              # Full deploy (build, restart, reload nginx)
#   ./deploy.sh build        # Just rebuild containers
#   ./deploy.sh restart      # Just restart containers
#   ./deploy.sh status       # Show status
#   ./deploy.sh logs         # Show logs
#

set -e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
REPO_DIR="$SCRIPT_DIR/repo"
DOMAIN="dev.coppertone.tech"

# Colors
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m'

log_info() { echo -e "${BLUE}[INFO]${NC} $1"; }
log_success() { echo -e "${GREEN}[OK]${NC} $1"; }
log_warn() { echo -e "${YELLOW}[WARN]${NC} $1"; }
log_error() { echo -e "${RED}[ERROR]${NC} $1"; }

cd "$SCRIPT_DIR"

build_containers() {
    log_info "Building containers..."
    podman-compose build --no-cache
    log_success "Build complete"
}

stop_containers() {
    log_info "Stopping containers..."
    podman-compose down 2>/dev/null || true
    log_success "Containers stopped"
}

start_containers() {
    log_info "Starting containers..."
    podman-compose up -d
    log_success "Containers started"
}

reload_nginx() {
    log_info "Reloading nginx..."
    if /docker/www/scripts/nginx-reload.sh 2>/dev/null; then
        log_success "Nginx reloaded"
    else
        log_warn "Nginx reload failed (non-fatal)"
    fi
}

show_status() {
    log_info "Container status:"
    podman-compose ps
    echo ""
    if [ -d "$REPO_DIR" ]; then
        log_info "Recent commits:"
        cd "$REPO_DIR"
        git log -3 --oneline
        cd "$SCRIPT_DIR"
    fi
}

show_logs() {
    podman-compose logs -f --tail 50
}

full_deploy() {
    echo "=========================================="
    echo "  Deploying $DOMAIN"
    echo "=========================================="
    echo ""

    # Build FIRST while old containers still serve traffic
    build_containers
    echo ""

    # Quick restart
    stop_containers
    start_containers
    echo ""

    # Reload nginx
    reload_nginx
    echo ""

    log_success "=========================================="
    log_success "  Deployment complete!"
    log_success "=========================================="
    echo ""
    show_status
}

case "${1:-deploy}" in
    deploy|"")
        full_deploy
        ;;
    build)
        build_containers
        ;;
    restart)
        stop_containers
        start_containers
        ;;
    stop)
        stop_containers
        ;;
    start)
        start_containers
        ;;
    status)
        show_status
        ;;
    logs)
        show_logs
        ;;
    reload-nginx)
        reload_nginx
        ;;
    *)
        echo "Usage: $0 {deploy|build|restart|stop|start|status|logs|reload-nginx}"
        exit 1
        ;;
esac