import uuid
from datetime import datetime
from pydantic import BaseModel, ConfigDict, field_validator


class NoteUrl(BaseModel):
    label: str
    url: str

    @field_validator('url')
    @classmethod
    def validate_url(cls, v: str) -> str:
        if not v.startswith(('http://', 'https://')):
            raise ValueError('URL doit commencer par http:// ou https://')
        return v


class AttachmentResponse(BaseModel):
    model_config = ConfigDict(from_attributes=True)
    id: uuid.UUID
    file_path: str | None
    thumbnail_path: str | None
    file_type: str | None
    original_name: str | None
    created_at: datetime


class NoteCreate(BaseModel):
    title: str | None = None
    content: str
    category: str | None = None
    tags: list[str] = []
    gps_lat: float | None = None
    gps_lon: float | None = None
    urls: list[NoteUrl] = []


class NoteUpdate(BaseModel):
    title: str | None = None
    content: str | None = None
    category: str | None = None
    tags: list[str] | None = None
    gps_lat: float | None = None
    gps_lon: float | None = None
    urls: list[NoteUrl] | None = None


class NoteResponse(BaseModel):
    model_config = ConfigDict(from_attributes=True)
    id: uuid.UUID
    title: str | None
    content: str
    category: str | None
    tags: list[str]
    gps_lat: float | None
    gps_lon: float | None
    urls: list[NoteUrl] = []
    created_at: datetime
    attachments: list[AttachmentResponse]

    @field_validator('urls', mode='before')
    @classmethod
    def coerce_urls(cls, v: object) -> object:
        # Les notes antérieures à la migration 0061 ont urls=NULL en base.
        return v or []