use axum::{Json, extract::State};
use koucha::db::User as DbUser;
use reqwest::StatusCode;
use serde::{Serialize, Deserialize};

use crate::{
  AppState, routes::{ApiError, ApiResult, ApiResponse}, types::UserKey
};

#[derive(Deserialize)]
pub struct Input {
  pub user_name: String,
}

#[derive(Serialize, Deserialize)]
pub struct Output {
  user_key: UserKey,
}

pub async fn handler(
  State(mut state): State<AppState>,
  Json(body): Json<Input>,
) -> ApiResult<Output> {
  let dbuser = DbUser::temporary_auth(
      state.adapter.get_pool(),
      &body.user_name
    ).await.map_err(|_e| {
      // TODO: Logging
      ApiError {
        status: StatusCode::INTERNAL_SERVER_ERROR,
        error: "InternalError",
        message: String::from(
          "Error authentiating user ".to_owned() + &body.user_name
        ),
      }
    })?;

  let key = state.create_user_key(dbuser.key());

  Ok(ApiResponse(StatusCode::OK, Output { user_key: key }))
}