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

class SubscriptionPlanBase(BaseModel):
    name: str = Field(..., min_length=2, max_length=100)
    description: Optional[str] = None
    price: Optional[float] = None
    duration_days: Optional[int] = Field(None, ge=1)
    max_users_allowed: Optional[int] = Field(None, ge=0)
    is_public: bool = True
    status: str = "active"

class SubscriptionPlanCreate(SubscriptionPlanBase):
    access_ids: Optional[List[uuid.UUID]] = []
    module_access_ids: Optional[List[uuid.UUID]] = []

class SubscriptionPlanUpdate(BaseModel):
    name: Optional[str] = Field(None, min_length=2, max_length=100)
    description: Optional[str] = None
    price: Optional[float] = None
    duration_days: Optional[int] = Field(None, ge=1)
    max_users_allowed: Optional[int] = Field(None, ge=0)
    is_public: Optional[bool] = None
    status: Optional[str] = None
    access_ids: Optional[List[uuid.UUID]] = None
    module_access_ids: Optional[List[uuid.UUID]] = None

class SubscriptionPlanResponse(SubscriptionPlanBase):
    id: uuid.UUID
    created_at: datetime
    updated_at: datetime

    class Config:
        from_attributes = True

class SubscriptionPlanDetailResponse(SubscriptionPlanResponse):
    access_ids: List[uuid.UUID] = []
    module_access_ids: List[uuid.UUID] = []

class SubscriptionPlanPaginatedResponse(BaseModel):
    items: List[SubscriptionPlanResponse]
    total: int
    page: int
    page_size: int
    total_pages: int