from pydantic import BaseModel
from typing import List, Optional
from datetime import datetime


class ProjectBase(BaseModel):
    project_name: str
    description: Optional[str] = None


class ProjectCreate(ProjectBase):
    pass


class ProjectOut(ProjectBase):
    id: str
    created_at: datetime

    class Config:
        from_attributes = True


# Keep old name for backward compatibility
Project = ProjectOut


class DataFileBase(BaseModel):
    relative_path: str
    file_size: int
    file_type: str
    file_sha: str
    direction: Optional[str] = None
    label: Optional[str] = None
    extracted_value: Optional[str] = None
    group_key: Optional[str] = None


class DataFileOut(DataFileBase):
    id: int
    storage_path: str
    created_at: datetime

    class Config:
        from_attributes = True


# Keep old name for backward compatibility
DataFile = DataFileOut


class DataVersionBase(BaseModel):
    stage: str
    commit_id: str
    author: Optional[str] = None
    commit_message: Optional[str] = None
    manifest_snapshot: Optional[str] = None


class DataVersionOut(DataVersionBase):
    id: str
    project_id: str
    created_at: datetime

    class Config:
        from_attributes = True


class DataVersionWithFiles(DataVersionOut):
    files: List[DataFileOut] = []


# Keep old name for backward compatibility
DataVersion = DataVersionOut


class DataRecordBase(BaseModel):
    stage: str
    commit_id: str
    commit_message: Optional[str] = None
    group_key: Optional[str] = None
    content_hash: Optional[str] = None
    inputs: Optional[List] = []
    outputs: Optional[List] = []
    author: Optional[str] = None


class DataRecordOut(DataRecordBase):
    id: str
    project_id: str
    version_id: str
    created_at: datetime

    class Config:
        from_attributes = True