#![cfg(feature = "ssr")]

pub mod oidc;

use arc_swap::ArcSwap;
use axum::extract::FromRef;
use leptos::prelude::LeptosOptions;
use std::collections::HashMap;
use std::sync::Arc;

use crate::content::Question;

#[derive(Clone)]
pub struct AppState {
    pub leptos_options: LeptosOptions,
    pub nats: async_nats::Client,
    /// JetStream context - source of every NATS KV bucket this app
    /// reads/writes (applicants, and whatever a `ResourceSpec` names).
    pub jetstream: async_nats::jetstream::Context,
    /// Swapped out wholesale on a `content::CONTENT_RELOAD_SUBJECT`
    /// message (see `content::watch_for_reload`) - readers never hold
    /// a lock, just an atomic pointer load, so a reload never blocks or
    /// is blocked by an in-flight request.
    pub questions: Arc<ArcSwap<HashMap<String, Question>>>,
    /// Every bucket's event-sourced state graph, loaded from
    /// `aggregates.yaml` (see `content::load_aggregates_from_gitea`) and
    /// hot-swapped alongside `questions` on the same reload. A bucket
    /// with no entry here isn't event-sourced - plain KV mutate-in-place
    /// still works (see `answers.rs`).
    pub aggregates: Arc<ArcSwap<HashMap<String, crate::aggregates::AggregateSchema>>>,
    /// Site branding from the content repo's optional `site.yaml`
    /// (title, wordmark, hero kind) - hot-swapped with `questions`/
    /// `aggregates` on the same reload. Default = the historical uhhm
    /// look.
    pub site: Arc<ArcSwap<crate::content::SiteConfig>>,
    /// `scheme://host` of the Gitea instance content is loaded from
    /// (see `content::gitea_api_base`) - kept alongside `questions`
    /// rather than re-derived per call, since `resolve_gitea_repo` needs
    /// it too and has no other reason to see `CONTENT_REPO` itself.
    pub gitea_base: String,
    /// `{gitea}/api/v1/repos/{owner}/{repo}/raw` and the branch - what
    /// `content::site_asset_handler` proxies content-shipped assets from.
    pub content_raw_base: String,
    pub content_branch: String,
    pub oidc: Arc<oidc::Oidc>,
    /// `None` when `GARAGE_*` env vars aren't set - uploads are the one
    /// optional feature, everything else works without Garage.
    pub garage: Option<crate::upload::Garage>,
}

impl FromRef<AppState> for LeptosOptions {
    fn from_ref(state: &AppState) -> Self {
        state.leptos_options.clone()
    }
}