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#![allow(dead_code)]

use crate::deserialize::FromSqlRow;
use crate::expression::AsExpression;
use std::time::SystemTime;

#[derive(AsExpression, FromSqlRow)]
#[diesel(foreign_derive)]
#[sql_type = "crate::sql_types::Timestamp"]
struct SystemTimeProxy(SystemTime);

#[cfg(feature = "chrono")]
mod chrono {
    extern crate chrono;
    use self::chrono::*;
    use crate::deserialize::FromSqlRow;
    use crate::expression::AsExpression;
    use crate::sql_types::{Date, Time, Timestamp};

    #[derive(AsExpression, FromSqlRow)]
    #[diesel(foreign_derive)]
    #[sql_type = "Date"]
    struct NaiveDateProxy(NaiveDate);

    #[derive(AsExpression, FromSqlRow)]
    #[diesel(foreign_derive)]
    #[sql_type = "Time"]
    struct NaiveTimeProxy(NaiveTime);

    #[derive(AsExpression, FromSqlRow)]
    #[diesel(foreign_derive)]
    #[sql_type = "Timestamp"]
    #[cfg_attr(feature = "postgres", sql_type = "crate::sql_types::Timestamptz")]
    #[cfg_attr(feature = "mysql", sql_type = "crate::sql_types::Datetime")]
    struct NaiveDateTimeProxy(NaiveDateTime);

    #[derive(AsExpression, FromSqlRow)]
    #[diesel(foreign_derive)]
    #[cfg_attr(feature = "postgres", sql_type = "crate::sql_types::Timestamptz")]
    struct DateTimeProxy<Tz: TimeZone>(DateTime<Tz>);
}