use api::http::{HeaderMap, Html, Path, State};
use i18n::catalog;

use crate::errors::ApiError;
use crate::{AuthService, templates};

pub async fn agreement_page(
    State(service): State<AuthService>,
    headers: HeaderMap,
    Path(key): Path<String>,
) -> Result<Html<String>, ApiError> {
    let locale = service
        .mail_locale(
            None,
            headers
                .get(actix_web::http::header::ACCEPT_LANGUAGE)
                .and_then(|value| value.to_str().ok()),
        )
        .await;
    let doc = service.list_agreements().into_iter().find(|d| d.key == key);
    match doc {
        Some(doc) => {
            let html_content = templates::render_markdown(&doc.content_md);
            Ok(templates::page_agreement(&doc, &html_content, locale))
        }
        None => Ok(templates::page_message(
            false,
            catalog::agreement_not_found_title(locale),
            catalog::agreement_not_found_body(locale),
            locale,
        )),
    }
}