use activitypub_federation::config::Data;

use serde::Deserialize;

#[cfg(feature = "oauth-discord")]
pub mod discord;

#[derive(Deserialize, Debug, Clone, Copy, ToSchema)]
#[serde(rename_all = "lowercase")]
pub enum OauthProvider {
    /// Discord
    #[cfg(feature = "oauth-discord")]
    Discord,
}

#[derive(Deserialize, Debug, Clone, Copy, IntoParams)]
#[into_params(parameter_in = Query)]
pub struct Params {
    /// Set OAuth provider name
    provider: OauthProvider,
}

use axum::{extract::Query, response::IntoResponse};
use utoipa::{IntoParams, OpenApi, ToSchema};

use crate::server::{error::AppError, state::AppState};

pub const AUTH: &str = "AUTH";

#[derive(OpenApi)]
#[openapi(
    tags(
        (name = AUTH, description = "OAuth integration")
    ),
    components(
        schemas(OauthProvider)
    )
)]
pub struct OAuthDoc;

#[utoipa::path(
    method(get),
    path = "/auth",
    params(
        Params
    ),
    tag = AUTH,
    responses(
        (status = OK, description = "Routes to oauth provider for login", body = str, content_type = "text/plain")
    )
)]
#[axum::debug_handler]
#[cfg(feature = "oauth")]
pub async fn auth(
    Query(params): Query<Params>,
    data: Data<AppState>,
) -> Result<impl IntoResponse, AppError> {

    match params.provider {
        #[cfg(feature = "oauth-discord")]
        OauthProvider::Discord => discord::discord_auth(data),
    }.await
}