from dataclasses import dataclass

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

from ows_text_campaigns.campaigns.dtos import CampaignLinkAnalytics
from ows_text_campaigns.campaigns.services import CampaignService
from ows_text_campaigns.campaigns.types import CampaignAnalyticsCriteria
from ows_text_campaigns.campaigns.utils import (
    extract_non_shortened_urls_from_content,
    extract_shortened_urls_from_markup,
)


@dataclass(kw_only=True)
class GetCampaignLinkAnalyticsRequest(AuthAccountFilterRequest):
    campaign_id: str


@singleton
class GetCampaignLinkAnalyticsHandler:
    permission = Permission("text_campaign", "view")

    def __init__(
        self,
        auth_service: AuthService,
        campaign_service: CampaignService,
    ) -> None:
        self.auth_service = auth_service
        self.campaign_service = campaign_service

    def handle(
        self, request: GetCampaignLinkAnalyticsRequest
    ) -> list[CampaignLinkAnalytics]:
        campaign = self.campaign_service.get_campaign(request.campaign_id)

        long_urls = extract_non_shortened_urls_from_content(campaign.get_content())

        # Pass short URLs to build response even without clicks
        short_urls = extract_shortened_urls_from_markup(campaign.get_content())

        self.auth_service.authorize_account(
            request.identity_id,
            account=campaign.account,
            permission=self.permission,
        )

        return self.campaign_service.get_campaign_link_analytics(
            criteria=CampaignAnalyticsCriteria(
                campaign_id=campaign.id,
            ),
            long_urls=long_urls,
            short_urls=short_urls,
        )