import uuid
from enum import Enum

from sqlalchemy import String, Boolean, ForeignKey, Enum as SQLEnum
from sqlalchemy.orm import Mapped, mapped_column, relationship

from db.base import Base

class GroupType(str, Enum):
    GROUP = "group"
    DIRECT = "direct"

class GroupRole(str, Enum):
    MANAGER = "manager"
    MEMBER = "member"


class Group(Base):
    __tablename__ = "groups" # type: ignore

    name: Mapped[str] = mapped_column(
        String(100),
        nullable=False,
        index=True
    )

    type: Mapped[GroupType] = mapped_column(
        SQLEnum(GroupType, name="group_type"),
        default=GroupType.GROUP,
        nullable=False
    )

    is_active: Mapped[bool] = mapped_column(
        Boolean,
        default=True,
        index=True
    )


class GroupMember(Base):
    __tablename__ = "group_members" # type: ignore

    user_id: Mapped[uuid.UUID] = mapped_column(
        ForeignKey("users.id", ondelete="CASCADE"),
        index=True
    )

    group_id: Mapped[uuid.UUID] = mapped_column(
        ForeignKey("groups.id", ondelete="CASCADE"),
        index=True
    )

    role: Mapped[GroupRole] = mapped_column(
        SQLEnum(GroupRole, name="group_role"),
        default=GroupRole.MEMBER,
        nullable=False
    )