//! Well-known endpoints for site.standard compatibility.

use crate::host_mode::CustomDomainContext;
use axum::{Json, http::StatusCode};
use jacquard::smol_str::{SmolStr, format_smolstr};
use serde::Serialize;

/// Well-known publication response per site.standard spec.
#[derive(Debug, Clone, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct WellKnownPublication {
    pub publication_uri: SmolStr,
    pub name: SmolStr,
    pub url: SmolStr,
}

/// Handle /.well-known/site.standard.publication
///
/// Returns publication info for the current custom domain.
/// This handler expects CustomDomainContext to be set by middleware.
pub async fn well_known_publication(
    ctx: Option<axum::Extension<CustomDomainContext>>,
) -> Result<Json<WellKnownPublication>, StatusCode> {
    let ctx = ctx.ok_or(StatusCode::NOT_FOUND)?;

    let publication_uri = format_smolstr!(
        "at://{}/site.standard.publication/{}",
        ctx.owner,
        ctx.publication_rkey
    );

    Ok(Json(WellKnownPublication {
        publication_uri,
        name: ctx.publication_name.clone(),
        url: format_smolstr!("https://{}", ctx.domain),
    }))
}