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

class UserBase(BaseModel):
    id: str
    name: str
    role: str
    hue: int
    initials: str
    email: Optional[str] = None
    phone: Optional[str] = None
    photo: Optional[str] = None
    account_type: str = "standard"

class UserCreate(UserBase):
    password: str

class UserLogin(BaseModel):
    id: str
    password: str

class UserUpdate(BaseModel):
    name: Optional[str] = None
    role: Optional[str] = None
    account_type: Optional[str] = None
    photo: Optional[str] = None

class PasswordChange(BaseModel):
    old_password: str
    new_password: str

class User(UserBase):
    created_at: datetime
    class Config:
        from_attributes = True

class TaskNoteBase(BaseModel):
    body: str

class TaskNoteCreate(TaskNoteBase):
    task_id: str
    author_id: str

class TaskNote(TaskNoteBase):
    id: int
    task_id: str
    author_id: str
    created_at: datetime
    class Config:
        from_attributes = True

class TagBase(BaseModel):
    tag: str

class Tag(TagBase):
    class Config:
        from_attributes = True

class TaskBase(BaseModel):
    title: str
    description: Optional[str] = None
    assignee_id: str
    added_by: str
    priority: str
    source: str
    status: str = "open"
    due_at: Optional[datetime] = None
    reminder_at: Optional[datetime] = None
    deleted_at: Optional[datetime] = None
    position: float = 0.0

class TaskCreate(TaskBase):
    id: Optional[str] = None
    tags: List[str] = []

class TaskUpdate(BaseModel):
    title: Optional[str] = None
    description: Optional[str] = None
    assignee_id: Optional[str] = None
    priority: Optional[str] = None
    status: Optional[str] = None
    due_at: Optional[datetime] = None
    reminder_at: Optional[datetime] = None
    position: Optional[float] = None

class Task(TaskBase):
    id: str
    added_at: datetime
    tags: List[Tag] = []
    notes: List[TaskNote] = []
    class Config:
        from_attributes = True

class AuditLogBase(BaseModel):
    actor: str
    action: str
    summary: str
    target: Optional[str] = None

class AuditLog(AuditLogBase):
    id: str
    at: datetime
    class Config:
        from_attributes = True

class SessionBase(BaseModel):
    user_id: str
    device: str
    location: Optional[str] = None

class Session(SessionBase):
    id: int
    last_active: datetime
    class Config:
        from_attributes = True

class WorkspaceBase(BaseModel):
    name: str
    timezone: str

class WorkspaceUpdate(BaseModel):
    name: Optional[str] = None
    timezone: Optional[str] = None

class Workspace(WorkspaceBase):
    id: str
    class Config:
        from_attributes = True

class Token(BaseModel):
    access_token: str
    token_type: str

class TokenData(BaseModel):
    username: Optional[str] = None