pub mod accounts;
pub use gejdr_macros::Crud;

pub trait Crud<Id> {
    /// Find the entiy in the database based on its identifier.
    ///
    /// # Errors
    /// Returns any error Postgres may have encountered
    fn find(
        pool: &sqlx::PgPool,
        id: &Id,
    ) -> impl std::future::Future<Output = sqlx::Result<Option<Self>>> + Send
    where
        Self: Sized;

    /// Create the entity in the database.
    ///
    /// # Errors
    /// Returns any error Postgres may have encountered
    fn create(
        &self,
        pool: &sqlx::PgPool,
    ) -> impl std::future::Future<Output = sqlx::Result<Self>> + Send
    where
        Self: Sized;

    /// Update an entity with a matching identifier in the database.
    ///
    /// # Errors
    /// Returns any error Postgres may have encountered
    fn update(
        &self,
        pool: &sqlx::PgPool,
    ) -> impl std::future::Future<Output = sqlx::Result<Self>> + Send
    where
        Self: Sized;

    /// Update an entity with a matching identifier in the database if
    /// it exists, create it otherwise.
    ///
    /// # Errors
    /// Returns any error Postgres may have encountered
    fn create_or_update(
        &self,
        pool: &sqlx::PgPool,
    ) -> impl std::future::Future<Output = sqlx::Result<Self>> + Send
    where
        Self: Sized;

    /// Delete the entity from the database if it exists.
    ///
    /// # Returns
    /// Returns the amount of rows affected by the deletion.
    ///
    /// # Errors
    /// Returns any error Postgres may have encountered
    fn delete(
        &self,
        pool: &sqlx::PgPool,
    ) -> impl std::future::Future<Output = sqlx::Result<u64>> + Send;

    /// Delete any entity with the identifier `id`.
    ///
    /// # Returns
    /// Returns the amount of rows affected by the deletion.
    ///
    /// # Errors
    /// Returns any error Postgres may have encountered
    fn delete_by_id(
        pool: &sqlx::PgPool,
        id: &Id,
    ) -> impl std::future::Future<Output = sqlx::Result<u64>> + Send;
}