from fansifter_common.adapters.ows_account import OwsAccountClient
from fansifter_common.adapters.sendgrid import SendGridClient
from fansifter_common.adapters.sendgrid.models import apply_fallback_merge_tags
from fansifter_common.core.enums import Brand
from fansifter_common.legal_info.services import LegalInfoService
from fansifter_common.translation.services import TranslationService

from email_campaigns.emails.models import BaseEmail


def apply_preview_substitutions(
    html: str,
    *,
    email: BaseEmail,
    user_email: str,
    sendgrid_client: SendGridClient,
    legal_info_service: LegalInfoService,
    translation_service: TranslationService,
    ows_account_client: OwsAccountClient,
) -> str:
    vendor = ows_account_client.get_vendor(email.vendor_id)
    brand = email.email_domain.brand if email.email_domain else Brand.SME
    fan_country_iso2 = legal_info_service.default_country_code
    legal_entity = legal_info_service.get_legal_entity(fan_country_iso2)
    translations = translation_service.get_translations_by_country_code(
        fan_country_iso2
    )

    footer_html = sendgrid_client.get_user_privacy_footer_block(
        email=user_email,
        privacy_links_block=legal_info_service.prepare_privacy_links_for_country(
            fan_country_iso2
        ),
        opt_in_info=translations["en"].optInInfo,
        opt_in_info_external=translations["en"].optInInfoExternal,
        unsubscribe_text=translations["en"].unsubscribe,
        unsubscribe_url="#",
        vendor_id=vendor.vendor_id,
        vendor_name=vendor.name,
        legal_entity=legal_entity,
        brand=brand,
        preview=True,
    )

    html = html.replace("-privacyFooterBlock-", footer_html)
    html = html.replace("-doubleOptInUrl-", "#")
    return apply_fallback_merge_tags(html)