from dataclasses import dataclass

from anydi import singleton
from fansifter_common.auth.requests import AuthRequest
from fansifter_common.auth.services import AuthService
from fansifter_common.auth.types import Permission

from ows_text_campaigns.adapters.scanner import ContentScanner
from ows_text_campaigns.artist.repositories import ArtistSettingsRepository
from ows_text_campaigns.artist.services import ArtistSettingsService
from ows_text_campaigns.artist.types import ArtistContentRecommendations
from ows_text_campaigns.artist.validators import ArtistSettingsValidator


@dataclass(kw_only=True)
class ScanArtistContentRequest(AuthRequest):
    global_participant_id: str
    opt_in_message: str
    welcome_message: str


@singleton
class ScanArtistContentHandler:
    permission = Permission("text_campaign", "edit")

    def __init__(
        self,
        auth_service: AuthService,
        artist_settings_repository: ArtistSettingsRepository,
        artist_settings_service: ArtistSettingsService,
        artist_settings_validator: ArtistSettingsValidator,
        scanner: ContentScanner,
    ) -> None:
        self.auth_service = auth_service
        self.artist_settings_repository = artist_settings_repository
        self.artist_settings_service = artist_settings_service
        self.artist_settings_validator = artist_settings_validator
        self.scanner = scanner

    def handle(self, request: ScanArtistContentRequest) -> ArtistContentRecommendations:
        self.artist_settings_validator.validate_roster_access(
            identity_id=request.identity_id,
            global_participant_id=request.global_participant_id,
            permission=self.permission,
        )

        artist_settings = self.artist_settings_service.get_configured_settings(
            request.global_participant_id
        )

        opt_in_scan_result = self.scanner.scan(
            content=request.opt_in_message,
            artist_name=artist_settings.artist_name,
        )
        welcome_message_scan_result = self.scanner.scan(
            content=request.welcome_message,
            artist_name=artist_settings.artist_name,
        )

        return ArtistContentRecommendations(
            optInMessage=opt_in_scan_result, welcomeMessage=welcome_message_scan_result
        )