from sqlmodel import SQLModel, Field
from typing import Optional
from datetime import datetime, timezone

class User(SQLModel, table=True):
    id: Optional[int] = Field(default=None, primary_key=True)
    gitea_id: int = Field(unique=True, index=True)
    username: str = Field(index=True)
    full_name: Optional[str] = None
    email: Optional[str] = None
    role: str = Field(default="student")
    is_active: bool = Field(default=True)
    created_at: datetime = Field(default_factory=lambda: datetime.now(timezone.utc))

class Event(SQLModel, table=True):
    id: Optional[int] = Field(default=None, primary_key=True)
    title: str
    event_type: str = Field(default="lecture")
    start_time: datetime
    end_time: datetime
    location: Optional[str] = None
    description: Optional[str] = None
    status: str = Field(default="scheduled")
    is_public: bool = Field(default=True)
    created_at: datetime = Field(default_factory=lambda: datetime.now(timezone.utc))

class GlobalStatus(SQLModel, table=True):
    id: Optional[int] = Field(default=None, primary_key=True)
    status: str = Field(default="free")
    delay_minutes: int = Field(default=0)
    message: Optional[str] = None
    updated_at: datetime = Field(default_factory=lambda: datetime.now(timezone.utc))

# --- НОВАЯ МОДЕЛЬ ---
class Project(SQLModel, table=True):
    id: Optional[int] = Field(default=None, primary_key=True)
    title: str
    description: Optional[str] = None
    status: str = Field(default="idea") # idea, in_progress, completed, frozen
    gitea_url: Optional[str] = None
    owner_id: int = Field(foreign_key="user.id")
    is_public: bool = Field(default=True)
    created_at: datetime = Field(default_factory=lambda: datetime.now(timezone.utc))