import datetime
from dataclasses import dataclass
from typing import Optional

from loguru import logger

from app import media
from app.models import InboxObject
from app.models import Webmention
from app.utils.url import make_abs


@dataclass
class Face:
    ap_actor_id: str | None
    url: str
    name: str
    picture_url: str
    created_at: datetime.datetime

    @classmethod
    def from_inbox_object(cls, like: InboxObject) -> "Face":
        return cls(
            ap_actor_id=like.actor.ap_id,
            url=like.actor.url,  # type: ignore
            name=like.actor.handle,  # type: ignore
            picture_url=like.actor.resized_icon_url,
            created_at=like.created_at,  # type: ignore
        )

    @classmethod
    def from_webmention(cls, webmention: Webmention) -> Optional["Face"]:
        items = webmention.source_microformats.get("items", [])  # type: ignore
        for item in items:
            if item["type"][0] == "h-card":
                try:
                    return cls(
                        ap_actor_id=None,
                        url=webmention.source,
                        name=item["properties"]["name"][0],
                        picture_url=media.resized_media_url(
                            make_abs(
                                item["properties"]["photo"][0], webmention.source
                            ),  # type: ignore
                            50,
                        ),
                        created_at=webmention.created_at,  # type: ignore
                    )
                except Exception:
                    logger.exception(
                        f"Failed to build Face for webmention id={webmention.id}"
                    )
                    break
            elif item["type"][0] == "h-entry":
                author = item["properties"]["author"][0]
                try:
                    return cls(
                        ap_actor_id=None,
                        url=webmention.source,
                        name=author["properties"]["name"][0],
                        picture_url=media.resized_media_url(
                            make_abs(
                                author["properties"]["photo"][0], webmention.source
                            ),  # type: ignore
                            50,
                        ),
                        created_at=webmention.created_at,  # type: ignore
                    )
                except Exception:
                    logger.exception(
                        f"Failed to build Face for webmention id={webmention.id}"
                    )
                    break

        return None


def merge_faces(faces: list[Face]) -> list[Face]:
    return sorted(
        faces,
        key=lambda f: f.created_at,
        reverse=True,
    )[:10]