//! User embed handlers: tip button.

use axum::{
    extract::{Path, State},
    response::{IntoResponse, Response},
};

use crate::{
    config::Config,
    db::{self, Username},
    error::{AppError, Result},
};
use sqlx::PgPool;

use super::item::set_embed_headers;

#[tracing::instrument(skip_all, name = "embed::tip_button")]
/// GET /embed/u/{username}/tip
pub(super) async fn tip_button(
    State(db): State<PgPool>,
    State(config): State<Config>,
    Path(username): Path<String>,
) -> Result<Response> {
    let username = Username::new(&username).map_err(|_| AppError::NotFound)?;
    let user = db::users::get_user_by_username(&db, &username)
        .await?
        .ok_or(AppError::NotFound)?;

    if user.is_suspended() || user.is_deactivated() || !user.tips_enabled {
        return Err(AppError::NotFound);
    }

    let display_name = user
        .display_name
        .as_deref()
        .unwrap_or(&user.username)
        .to_string();
    let tip_url = format!("{}/u/{}/tip", config.host_url, user.username);

    let mut response = crate::templates::EmbedTipButtonTemplate {
        display_name,
        username: user.username.to_string(),
        tip_url,
        avatar_url: user.avatar_url,
        theme_css: crate::templates::embed_theme_css(),
        geometry_css: crate::templates::EMBED_GEOMETRY_CSS,
    }
    .into_response();
    set_embed_headers(&mut response);
    Ok(response)
}