from datetime import datetime
from typing import Literal

from pydantic import BaseModel, EmailStr, Field

TenantRole = Literal["owner", "admin", "member", "viewer"]


class WorkspaceCreate(BaseModel):
    organization_name: str = Field(min_length=2, max_length=160)
    workspace_name: str = Field(min_length=2, max_length=160)


class WorkspaceResponse(BaseModel):
    id: int
    organization_id: int
    organization_name: str
    name: str
    slug: str
    role: TenantRole
    created_at: datetime


class MemberResponse(BaseModel):
    user_id: int
    email: EmailStr
    full_name: str
    username: str
    role: TenantRole
    joined_at: datetime


class InvitationCreate(BaseModel):
    email: EmailStr
    role: Literal["admin", "member", "viewer"] = "member"


class InvitationResponse(BaseModel):
    id: int
    workspace_id: int
    email: EmailStr
    role: TenantRole
    expires_at: datetime
    accepted: bool
    token: str | None = None
    invite_url: str | None = None


class AuditEventResponse(BaseModel):
    id: int
    action: str
    target: str
    actor_id: int
    created_at: datetime


class RoleUpdate(BaseModel):
    role: Literal["admin", "member", "viewer"]