"""
字段控制器
协调字段管理的UI和业务逻辑
"""
from typing import List, Optional
from pathlib import Path

from services.field_service import FieldService
from models.field import Field
from config import FieldType
from utils.logger import get_logger

logger = get_logger(__name__)


class FieldController:
    """字段控制器类"""

    def __init__(self):
        self.service = FieldService()

    def create_field(self, field_data: dict) -> tuple[bool, str, Optional[int]]:
        """
        创建字段

        Args:
            field_data: 字段数据字典

        Returns:
            (是否成功, 消息, 字段ID)
        """
        try:
            field = Field.from_dict(field_data)
            return self.service.create_field(field)
        except Exception as e:
            logger.error(f"Controller: Failed to create field: {e}")
            return False, f"创建字段失败: {str(e)}", None

    def update_field(self, field_data: dict) -> tuple[bool, str]:
        """
        更新字段

        Args:
            field_data: 字段数据字典

        Returns:
            (是否成功, 消息)
        """
        try:
            field = Field.from_dict(field_data)
            return self.service.update_field(field)
        except Exception as e:
            logger.error(f"Controller: Failed to update field: {e}")
            return False, f"更新字段失败: {str(e)}"

    def delete_field(self, field_id: int) -> tuple[bool, str]:
        """
        删除字段

        Args:
            field_id: 字段ID

        Returns:
            (是否成功, 消息)
        """
        return self.service.delete_field(field_id)

    def get_field(self, field_id: int) -> Optional[Field]:
        """
        获取字段

        Args:
            field_id: 字段ID

        Returns:
            字段对象或None
        """
        return self.service.get_field_by_id(field_id)

    def search_fields(self, search_params: dict) -> tuple[List[Field], int]:
        """
        搜索字段

        Args:
            search_params: 搜索参数字典

        Returns:
            (字段列表, 总数量)
        """
        domain = search_params.get('domain')
        name = search_params.get('name')
        field_type_str = search_params.get('type')
        field_type = FieldType(field_type_str) if field_type_str else None
        page = search_params.get('page', 1)
        page_size = search_params.get('page_size', 50)

        return self.service.search_fields(domain, name, field_type, page, page_size)

    def get_all_fields(self, page: int = 1, page_size: int = 50) -> tuple[List[Field], int]:
        """
        获取所有字段

        Args:
            page: 页码
            page_size: 每页数量

        Returns:
            (字段列表, 总数量)
        """
        return self.service.get_all_fields(page, page_size)

    def get_domains(self) -> List[str]:
        """
        获取所有域名

        Returns:
            域名列表
        """
        return self.service.get_domains()

    def export_fields(self, field_ids: List[int], file_path: str,
                      format: str = 'json') -> tuple[bool, str]:
        """
        导出字段

        Args:
            field_ids: 字段ID列表
            file_path: 文件路径
            format: 格式

        Returns:
            (是否成功, 消息)
        """
        # 获取字段对象
        fields = []
        for field_id in field_ids:
            field = self.service.get_field_by_id(field_id)
            if field:
                fields.append(field)

        if not fields:
            return False, "没有可导出的字段"

        return self.service.export_fields(fields, Path(file_path), format)

    def import_fields(self, file_path: str,
                      format: str = 'json') -> tuple[bool, str, List[Field]]:
        """
        导入字段

        Args:
            file_path: 文件路径
            format: 格式

        Returns:
            (是否成功, 消息, 字段列表)
        """
        return self.service.import_fields(Path(file_path), format)

    def batch_create_fields(self, fields: List[Field]) -> tuple[int, int, List[str]]:
        """
        批量创建字段

        Args:
            fields: 字段列表

        Returns:
            (成功数量, 失败数量, 错误信息列表)
        """
        return self.service.batch_create_fields(fields)