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// rocie - An enterprise grocery management system
//
// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
// SPDX-License-Identifier: GPL-3.0-or-later
//
// This file is part of Rocie.
//
// You should have received a copy of the License along with this program.
// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.

use crate::testenv::TestEnv;

macro_rules! request {
    ($env:expr, $fn:ident ($($arg:expr),* $(,)?)) => {{
        match request!(@call, $env, $fn, $($arg),*)  {
            Ok(ok) => {
                $env.log(format!("> {ok:?}"));

                ok
            },

            Err(err) => {
                $env.log(format!(">! {err:?}"));

                panic!("Server request failed.");
            }
        }

    }};

    (@expect_error $reason:literal $env:expr, $fn:ident ($($arg:expr),* $(,)?)) => {{
        match request!(@call, $env, $fn, $($arg),*)  {
            Err(err) => {
                $env.log(format!("> `{err}` ({})", $reason));

                err
            },

            Ok(ok) => {
                $env.log(format!(">? {ok:?}"));

                panic!("Server request succeeded, but should fail.");
            }
        }
    }};


    (@call, $env:expr, $fn:ident, $($arg:expr),*) => {{
        $env.log(
            format!(
                "< {}({})",
                stringify!($fn),
                request!(@format, $fn, $($arg),*)
            )
        );

        $fn(&$env.config, $($arg),*).await
    }};

    (@format, $fn:ident, $($arg:expr),*) => {{
          #[allow(unused_imports)]
          use std::fmt::Write;

          #[allow(unused_mut)]
          let mut base = String::new();
          $(
              write!(base, "{:?}, ", $arg)
              .expect("In memory write");
          )*

          base.trim().trim_end_matches(',').to_owned()
    }};
}

pub(crate) use request;

impl TestEnv {
    pub(crate) fn log<A>(&self, message: A)
    where
        A: AsRef<str>,
    {
        eprintln!("{}: {}", self.name, message.as_ref());
    }
}