//! Project embed handlers.

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

use crate::{
    db::{self},
    error::{AppError, Result},
    AppState,
};

use super::item::set_embed_headers;

#[tracing::instrument(skip_all, name = "embed::project_card")]
/// GET /embed/p/{project_slug}/card
pub(super) async fn project_card(
    State(state): State<AppState>,
    Path(project_slug): Path<String>,
) -> Result<Response> {
    let project = db::projects::get_public_project_by_slug_str(&state.db, &project_slug)
        .await?
        .ok_or(AppError::NotFound)?;

    let user = db::users::get_user_by_id(&state.db, project.user_id)
        .await?
        .ok_or(AppError::NotFound)?;

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

    let items = db::items::get_public_items_by_project(&state.db, project.id).await?;
    let item_count = items.len();

    let description_excerpt: String = project.description.as_deref()
        .unwrap_or("")
        .chars()
        .take(150)
        .collect();

    let project_url = format!("{}/p/{}", state.config.host_url, project_slug);
    let profile_url = format!("{}/u/{}", state.config.host_url, user.username);
    let creator_name = user.display_name.as_deref().unwrap_or(&user.username);
    let category_label = project.project_type.label();

    let mut response = crate::templates::EmbedProjectCardTemplate {
        title: project.title.clone(),
        creator_display_name: creator_name.to_string(),
        profile_url,
        project_url,
        cover_image_url: project.cover_image_url.clone(),
        description_excerpt,
        item_count,
        category_label: category_label.to_string(),
    }
    .into_response();
    set_embed_headers(&mut response);
    Ok(response)
}