"""
全局配置文件
提供应用程序的配置参数和常量定义
"""
import os
from enum import Enum
from pathlib import Path


class FieldType(Enum):
    """字段类型枚举"""
    INT = "int"
    FLOAT = "float"
    DOUBLE = "double"
    STRING = "string"
    DATETIME = "datetime"
    BOOLEAN = "boolean"
    BYTES = "bytes"
    ENUM = "enum"
    STRUCT = "struct"


class OperatorType(Enum):
    """操作符类型枚举"""
    DIRECT = "DIRECT"
    ADD = "ADD"
    SUBTRACT = "SUBTRACT"
    MULTIPLY = "MULTIPLY"
    DIVIDE = "DIVIDE"
    MODULO = "MODULO"
    BIT_SHIFT_LEFT = "BIT_SHIFT_LEFT"
    BIT_SHIFT_RIGHT = "BIT_SHIFT_RIGHT"
    BIT_AND = "BIT_AND"
    BIT_OR = "BIT_OR"
    BIT_XOR = "BIT_XOR"
    CONCAT = "CONCAT"
    SUBSTRING = "SUBSTRING"
    CAST = "CAST"


class ProtocolType(Enum):
    """传输协议类型枚举"""
    TCP = "tcp"
    UDP = "udp"
    DDS = "dds"
    CUSTOM = "custom"


class SerializationType(Enum):
    """序列化格式枚举"""
    JSON = "json"
    XML = "xml"
    PROTOBUF = "protobuf"
    CUSTOM = "custom"


class LanguageType(Enum):
    """编程语言类型枚举"""
    C = "C"
    CPP = "CPP"
    PYTHON = "Python"


class LanguageStandard(Enum):
    """语言标准枚举"""
    C99 = "C99"
    C11 = "C11"
    CPP11 = "C++11"
    CPP14 = "C++14"
    CPP17 = "C++17"
    CPP20 = "C++20"


class Config:
    """应用程序配置类"""

    # 应用程序信息
    APP_NAME = "体系集成试验工具"
    APP_VERSION = "1.0.0"
    APP_AUTHOR = "System Integration Team"

    # 路径配置
    BASE_DIR = Path(__file__).parent
    DATABASE_DIR = BASE_DIR / "database"
    TEMPLATES_DIR = BASE_DIR / "templates"
    RESOURCES_DIR = BASE_DIR / "resources"
    LOGS_DIR = BASE_DIR / "logs"

    # 数据库配置
    DATABASE_NAME = "system_integration.db"
    DATABASE_PATH = DATABASE_DIR / DATABASE_NAME

    # 日志配置
    LOG_LEVEL = "INFO"
    LOG_FORMAT = "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
    LOG_FILE = LOGS_DIR / "app.log"
    LOG_MAX_BYTES = 10 * 1024 * 1024  # 10MB
    LOG_BACKUP_COUNT = 5

    # UI配置
    WINDOW_WIDTH = 1400
    WINDOW_HEIGHT = 900
    WINDOW_MIN_WIDTH = 1000
    WINDOW_MIN_HEIGHT = 700

    # 性能配置
    MAX_FIELDS = 10000
    MAX_MESSAGES = 1000
    GRAPH_QUERY_TIMEOUT = 1.0  # 秒
    CODE_GEN_TIMEOUT = 5.0  # 秒

    # 分页配置
    DEFAULT_PAGE_SIZE = 50
    MAX_PAGE_SIZE = 200

    # 图形编辑器配置
    NODE_WIDTH = 120
    NODE_HEIGHT = 60
    NODE_SPACING = 150
    EDGE_WIDTH = 2

    # 代码生成配置
    DEFAULT_OUTPUT_DIR = BASE_DIR / "generated_code"
    INDENT_SIZE = 4

    @classmethod
    def ensure_directories(cls):
        """确保必要的目录存在"""
        directories = [
            cls.DATABASE_DIR,
            cls.TEMPLATES_DIR,
            cls.RESOURCES_DIR,
            cls.LOGS_DIR,
            cls.DEFAULT_OUTPUT_DIR,
        ]
        for directory in directories:
            directory.mkdir(parents=True, exist_ok=True)

    @classmethod
    def get_template_path(cls, template_name: str) -> Path:
        """获取模板文件路径"""
        return cls.TEMPLATES_DIR / template_name

    @classmethod
    def get_resource_path(cls, resource_name: str) -> Path:
        """获取资源文件路径"""
        return cls.RESOURCES_DIR / resource_name


# 初始化配置
Config.ensure_directories()