#!/bin/bash
# =============================================================================
# MiChangarrito - Script de Despliegue
# =============================================================================
# USO:
#   ./deploy.sh                     # Despliegue normal
#   ./deploy.sh --build             # Reconstruir imágenes
#   ./deploy.sh --production        # Modo producción (con nginx)
#   ./deploy.sh --down              # Detener servicios
# =============================================================================

set -e

# Colores
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
CYAN='\033[0;36m'
NC='\033[0m'

# Variables
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_DIR="$(dirname "$(dirname "$SCRIPT_DIR")")"
BUILD=false
PRODUCTION=false
DOWN=false

# Parsear argumentos
for arg in "$@"; do
    case $arg in
        --build)
            BUILD=true
            shift
            ;;
        --production)
            PRODUCTION=true
            shift
            ;;
        --down)
            DOWN=true
            shift
            ;;
        --help|-h)
            echo "Uso: $0 [--build] [--production] [--down]"
            echo "  --build       Reconstruir imágenes Docker"
            echo "  --production  Incluir nginx reverse proxy"
            echo "  --down        Detener todos los servicios"
            exit 0
            ;;
    esac
done

# Cambiar al directorio del proyecto
cd "$PROJECT_DIR"

# Banner
echo ""
echo -e "${BLUE}╔══════════════════════════════════════════════════════════════════╗${NC}"
echo -e "${BLUE}║              MICHANGARRITO - DESPLIEGUE DOCKER                   ║${NC}"
echo -e "${BLUE}╚══════════════════════════════════════════════════════════════════╝${NC}"
echo ""

# Verificar archivo .env
if [ ! -f ".env" ]; then
    echo -e "${YELLOW}Archivo .env no encontrado. Creando desde template...${NC}"
    cp .env.docker .env
    echo -e "${YELLOW}⚠ IMPORTANTE: Edita el archivo .env con tus credenciales${NC}"
    echo ""
fi

# Detener servicios si --down
if [ "$DOWN" = true ]; then
    echo -e "${YELLOW}Deteniendo servicios...${NC}"
    docker-compose down
    echo -e "${GREEN}✓ Servicios detenidos${NC}"
    exit 0
fi

# Construir imágenes si --build
if [ "$BUILD" = true ]; then
    echo -e "${YELLOW}Construyendo imágenes Docker...${NC}"
    docker-compose build --no-cache
    echo ""
fi

# Iniciar servicios
echo -e "${YELLOW}Iniciando servicios...${NC}"
echo ""

if [ "$PRODUCTION" = true ]; then
    echo -e "${CYAN}Modo: PRODUCCIÓN (con nginx)${NC}"
    COMPOSE_PROFILES=production docker-compose up -d
else
    echo -e "${CYAN}Modo: DESARROLLO${NC}"
    docker-compose up -d
fi

echo ""

# Esperar a que los servicios estén listos
echo -e "${YELLOW}Esperando a que los servicios estén listos...${NC}"
sleep 10

# Verificar estado de servicios
echo ""
echo -e "${CYAN}Estado de servicios:${NC}"
docker-compose ps

# Verificar health checks
echo ""
echo -e "${CYAN}Health checks:${NC}"

# PostgreSQL
if docker-compose exec -T postgres pg_isready -U michangarrito_dev > /dev/null 2>&1; then
    echo -e "  [${GREEN}✓${NC}] PostgreSQL"
else
    echo -e "  [${RED}✗${NC}] PostgreSQL"
fi

# Redis
if docker-compose exec -T redis redis-cli ping > /dev/null 2>&1; then
    echo -e "  [${GREEN}✓${NC}] Redis"
else
    echo -e "  [${RED}✗${NC}] Redis"
fi

# Backend
if curl -s http://localhost:3141/api/v1/health > /dev/null 2>&1; then
    echo -e "  [${GREEN}✓${NC}] Backend API (http://localhost:3141)"
else
    echo -e "  [${YELLOW}~${NC}] Backend API (iniciando...)"
fi

# Frontend
if curl -s http://localhost:3140 > /dev/null 2>&1; then
    echo -e "  [${GREEN}✓${NC}] Frontend (http://localhost:3140)"
else
    echo -e "  [${YELLOW}~${NC}] Frontend (iniciando...)"
fi

# WhatsApp Service
if curl -s http://localhost:3143/health > /dev/null 2>&1; then
    echo -e "  [${GREEN}✓${NC}] WhatsApp Service (http://localhost:3143)"
else
    echo -e "  [${YELLOW}~${NC}] WhatsApp Service (iniciando...)"
fi

echo ""
echo -e "${GREEN}╔══════════════════════════════════════════════════════════════════╗${NC}"
echo -e "${GREEN}║                    DESPLIEGUE COMPLETADO                         ║${NC}"
echo -e "${GREEN}╚══════════════════════════════════════════════════════════════════╝${NC}"
echo ""
echo -e "${CYAN}URLs:${NC}"
echo "  Frontend:         http://localhost:3140"
echo "  Backend API:      http://localhost:3141/api/v1"
echo "  WhatsApp Webhook: http://localhost:3143"
echo "  API Docs:         http://localhost:3141/api/v1/docs"
echo ""
echo -e "${CYAN}Comandos útiles:${NC}"
echo "  docker-compose logs -f backend     # Ver logs del backend"
echo "  docker-compose logs -f             # Ver todos los logs"
echo "  docker-compose down                # Detener servicios"
echo "  docker-compose restart backend     # Reiniciar backend"
echo ""