use actix_web::{web, HttpResponse, Responder};
use sqlx::PgPool;

use crate::{
    endpoints::{vehicle::VehicleNewOrEditTemplate, IdPath},
    utils::{ApplicationError, TemplateResponse},
};
use brass_db::models::{Role, User, Vehicle};

#[actix_web::get("/vehicles/{id}")]
pub async fn get(
    user: web::ReqData<User>,
    pool: web::Data<PgPool>,
    path: web::Path<IdPath>,
) -> Result<impl Responder, ApplicationError> {
    if user.role != Role::Admin && user.role != Role::AreaManager {
        return Err(ApplicationError::Unauthorized);
    }

    let Some(vehicle) = Vehicle::read(pool.get_ref(), path.id).await? else {
        return Ok(HttpResponse::NotFound().finish());
    };

    let template = VehicleNewOrEditTemplate {
        user: user.into_inner(),
        vehicle: Some(vehicle),
    };

    Ok(template.to_response()?)
}

#[cfg(test)]
mod tests {
    use crate::utils::test_helper::{
        assert_snapshot, create_test_login_user, test_get, DbTestContext, RequestConfig,
        ServiceResponseExt, StatusCode,
    };
    use brass_db::models::{Role, Vehicle};
    use brass_macros::db_test;

    #[db_test]
    async fn returns_not_found_for_user(context: &DbTestContext) {
        Vehicle::create(&context.db_pool, "11.49.1", "FF Leipzig Ost")
            .await
            .unwrap();

        let app = context.app().await;

        let config = RequestConfig::new("/vehicles/1");
        create_test_login_user(&context.db_pool, &config).await;

        let response = test_get(&app, &config).await;
        assert_eq!(StatusCode::UNAUTHORIZED, response.status());
    }

    #[db_test]
    async fn area_manager_can_edit(context: &DbTestContext) {
        Vehicle::create(&context.db_pool, "11.49.1", "FF Leipzig Ost")
            .await
            .unwrap();

        let app = context.app().await;

        let config = RequestConfig::new("/vehicles/1").with_role(Role::AreaManager);
        create_test_login_user(&context.db_pool, &config).await;

        let response = test_get(&app, &config).await;
        assert_eq!(StatusCode::OK, response.status());
    }

    #[db_test]
    async fn produces_template_fine_when_user_is_admin(context: &DbTestContext) {
        let app = context.app().await;
        Vehicle::create(&context.db_pool, "11.49.1", "FF Leipzig Ost")
            .await
            .unwrap();

        let config = RequestConfig::new("/vehicles/1").with_role(Role::Admin);
        create_test_login_user(&context.db_pool, &config).await;

        let (status, body) = test_get(&app, &config).await.into_status_and_body().await;
        assert_eq!(StatusCode::OK, status);
        assert_snapshot!(body);
    }
}