# 配置类


import os
import sys
from dataclasses import dataclass, field
from typing import List, Optional

# 添加项目根目录到Python路径
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

@dataclass
class DatabaseConfig:
    """数据库配置"""
    host: str = "192.168.50.234"
    port: int = 4000
    user: str = "root"
    password: str = "123456"
    database: str = "wind_data"
    charset: str = "utf8mb4"
    
    def get_connection_url(self) -> str:
        """获取SQLAlchemy连接URL"""
        return f"mysql+pymysql://{self.user}:{self.password}@{self.host}:{self.port}/{self.database}?charset={self.charset}"

@dataclass
class TableConfig:
    """表配置"""
    table_name: str = "data_scada_turbine"
    # 唯一键：id_farm + id_turbine + data_time
    unique_keys: List[str] = field(default_factory=lambda: ["id_farm", "id_turbine", "data_time"])
    # 备用时间字段名（如果找不到data_time时使用）
    time_column_aliases: List[str] = field(default_factory=lambda: [
        "data_time", "time", "timestamp", "datetime", "采集时间", 
        "时间", "记录时间", "数据时间", "Time", "Timestamp"
    ])
    
@dataclass
class AppConfig:
    """应用配置"""
    base_path: str = r"F:\BaiduNetdiskDownload\标准化数据\stander_parquet"
    max_workers: int = 20  # 线程池大小
    batch_size: int = 1000  # 批量插入大小
    upsert_enabled: bool = True  # 启用UPSERT
    data_time_column: Optional[str] = None  # 实际数据中的时间字段名
    db_config: DatabaseConfig = None
    table_config: TableConfig = None
    
    def __post_init__(self):
        if self.db_config is None:
            self.db_config = DatabaseConfig()
        if self.table_config is None:
            self.table_config = TableConfig()