#!/bin/bash
# ==============================================================================
# CREATE-NETWORKS.SH - Script para crear redes Docker del workspace
# ==============================================================================
# Proposito: Crea todas las redes Docker definidas en networks.yml
# Mantenido por: DevOps-Agent
# Actualizado: 2025-12-18
#
# USO:
#   ./create-networks.sh           # Crear todas las redes
#   ./create-networks.sh gamilit   # Crear solo redes de un proyecto
#   ./create-networks.sh --clean   # Eliminar todas las redes
# ==============================================================================

set -e

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

# ------------------------------------------------------------------------------
# CONFIGURACION
# ------------------------------------------------------------------------------

# Red de infraestructura compartida
INFRA_NETWORK="infra_shared"

# Proyectos y ambientes
declare -A PROJECTS
PROJECTS["gamilit"]="local dev staging prod"
PROJECTS["erp_core"]="local dev staging prod"
PROJECTS["erp_construccion"]="local dev"
PROJECTS["erp_mecanicas"]="local dev"
PROJECTS["trading"]="local dev staging prod"
PROJECTS["betting"]="local dev"

# ------------------------------------------------------------------------------
# FUNCIONES
# ------------------------------------------------------------------------------

print_header() {
    echo ""
    echo -e "${BLUE}========================================${NC}"
    echo -e "${BLUE}$1${NC}"
    echo -e "${BLUE}========================================${NC}"
    echo ""
}

create_network() {
    local network_name=$1
    local description=$2

    if docker network inspect "$network_name" >/dev/null 2>&1; then
        echo -e "  ${YELLOW}[EXISTE]${NC} $network_name"
    else
        docker network create "$network_name" --driver bridge >/dev/null 2>&1
        echo -e "  ${GREEN}[CREADA]${NC} $network_name ${description:+- $description}"
    fi
}

remove_network() {
    local network_name=$1

    if docker network inspect "$network_name" >/dev/null 2>&1; then
        # Verificar si tiene contenedores conectados
        local containers=$(docker network inspect "$network_name" -f '{{range .Containers}}{{.Name}} {{end}}')
        if [ -n "$containers" ]; then
            echo -e "  ${YELLOW}[EN USO]${NC} $network_name - Contenedores: $containers"
        else
            docker network rm "$network_name" >/dev/null 2>&1
            echo -e "  ${RED}[ELIMINADA]${NC} $network_name"
        fi
    else
        echo -e "  ${YELLOW}[NO EXISTE]${NC} $network_name"
    fi
}

create_infra_network() {
    print_header "Creando red de infraestructura"
    create_network "$INFRA_NETWORK" "Red compartida para servicios de infraestructura"
}

create_project_networks() {
    local project=$1

    if [ -n "$project" ]; then
        # Crear redes para un proyecto especifico
        if [ -z "${PROJECTS[$project]}" ]; then
            echo -e "${RED}Error: Proyecto '$project' no encontrado${NC}"
            echo "Proyectos disponibles: ${!PROJECTS[@]}"
            exit 1
        fi

        print_header "Creando redes para: $project"
        for env in ${PROJECTS[$project]}; do
            create_network "${project}_${env}"
        done
    else
        # Crear redes para todos los proyectos
        for proj in "${!PROJECTS[@]}"; do
            print_header "Creando redes para: $proj"
            for env in ${PROJECTS[$proj]}; do
                create_network "${proj}_${env}"
            done
        done
    fi
}

clean_networks() {
    print_header "Eliminando red de infraestructura"
    remove_network "$INFRA_NETWORK"

    for proj in "${!PROJECTS[@]}"; do
        print_header "Eliminando redes de: $proj"
        for env in ${PROJECTS[$proj]}; do
            remove_network "${proj}_${env}"
        done
    done
}

list_networks() {
    print_header "Redes del Workspace"

    echo -e "${BLUE}Red de Infraestructura:${NC}"
    if docker network inspect "$INFRA_NETWORK" >/dev/null 2>&1; then
        echo -e "  ${GREEN}[OK]${NC} $INFRA_NETWORK"
    else
        echo -e "  ${RED}[NO EXISTE]${NC} $INFRA_NETWORK"
    fi

    for proj in "${!PROJECTS[@]}"; do
        echo ""
        echo -e "${BLUE}Proyecto: $proj${NC}"
        for env in ${PROJECTS[$proj]}; do
            local net="${proj}_${env}"
            if docker network inspect "$net" >/dev/null 2>&1; then
                echo -e "  ${GREEN}[OK]${NC} $net"
            else
                echo -e "  ${RED}[NO EXISTE]${NC} $net"
            fi
        done
    done
}

show_usage() {
    echo "Uso: $0 [OPCION] [PROYECTO]"
    echo ""
    echo "Opciones:"
    echo "  (sin opcion)    Crear todas las redes"
    echo "  --list          Listar estado de redes"
    echo "  --clean         Eliminar todas las redes"
    echo "  --help          Mostrar esta ayuda"
    echo ""
    echo "Proyectos disponibles:"
    for proj in "${!PROJECTS[@]}"; do
        echo "  - $proj"
    done
    echo ""
    echo "Ejemplos:"
    echo "  $0                    # Crear todas las redes"
    echo "  $0 gamilit            # Crear redes de gamilit"
    echo "  $0 --list             # Ver estado de redes"
    echo "  $0 --clean            # Eliminar todas las redes"
}

# ------------------------------------------------------------------------------
# MAIN
# ------------------------------------------------------------------------------

case "${1:-}" in
    --help|-h)
        show_usage
        ;;
    --list|-l)
        list_networks
        ;;
    --clean|-c)
        echo -e "${YELLOW}ADVERTENCIA: Esto eliminara todas las redes del workspace${NC}"
        read -p "Continuar? (y/N): " confirm
        if [ "$confirm" = "y" ] || [ "$confirm" = "Y" ]; then
            clean_networks
            echo ""
            echo -e "${GREEN}Limpieza completada${NC}"
        else
            echo "Operacion cancelada"
        fi
        ;;
    "")
        create_infra_network
        create_project_networks
        echo ""
        echo -e "${GREEN}Todas las redes creadas exitosamente${NC}"
        ;;
    *)
        create_infra_network
        create_project_networks "$1"
        echo ""
        echo -e "${GREEN}Redes creadas para: $1${NC}"
        ;;
esac