import logging

from yuxi.channel.extensions.intercom.format import html_to_text
from yuxi.channel.extensions.intercom.types import IntercomInboundEvent, IntercomAdminIdentity
from yuxi.channel.message.models import GroupContext, MessageType, PeerInfo, UnifiedMessage
from yuxi.channel.routing.models import PeerKind

logger = logging.getLogger(__name__)


class IntercomMonitor:

    @staticmethod
    def is_echo(event: IntercomInboundEvent, identity: IntercomAdminIdentity) -> bool:
        return event.author_type in ("admin", "bot") and event.author_id == identity.admin_id

    @staticmethod
    def convert_event(
        event: IntercomInboundEvent,
        account_id: str,
    ) -> UnifiedMessage | None:
        body_text = html_to_text(event.body_html)
        if not body_text and not event.attachments:
            return None

        message_type = _detect_type(event)

        return UnifiedMessage(
            msg_id=f"intercom:{event.message_id}",
            channel_type="intercom",
            account_id=account_id,
            content=body_text,
            sender=PeerInfo(
                kind=PeerKind.DIRECT,
                id=event.author_id,
                display_name=event.author_name,
            ),
            message_type=message_type,
            group=GroupContext(id=event.conversation_id),
            raw_payload=event.raw,
            timestamp=event.created_at if event.created_at else None,
        )


def _detect_type(event: IntercomInboundEvent) -> MessageType:
    if event.attachments:
        for att in event.attachments:
            content_type = att.get("content_type", "")
            if content_type.startswith("image/"):
                return MessageType.IMAGE
            if content_type.startswith("video/"):
                return MessageType.VIDEO
        return MessageType.FILE
    return MessageType.TEXT