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

from app.models.site import Site


class CoverageSettings(BaseModel):
    radius: float = 10000.0
    resolution: float = 200.0
    min_signal: float = -105.0
    max_signal: float = -65.0


class Project(BaseModel):
    id: Optional[str] = None
    name: str = "global"
    created_at: datetime = Field(default_factory=datetime.utcnow)
    updated_at: datetime = Field(default_factory=datetime.utcnow)
    sites: list[Site] = []
    settings: CoverageSettings = Field(default_factory=CoverageSettings)