/*
 * Copyright 2020 Fluence Labs Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

use super::PrepareResult;
use super::PrepareError;

use marine_module_info_parser::sdk_version;
use marine_min_it_version::min_sdk_version;
use marine_min_it_version::min_it_version;

use wasmer_core::Module;

pub(crate) fn check_sdk_version(
    name: impl Into<String>,
    wasmer_module: &Module,
) -> PrepareResult<()> {
    let module_version = sdk_version::extract_from_wasmer_module(wasmer_module)?;
    let module_version = match module_version {
        Some(module_version) => module_version,
        None => return Err(PrepareError::ModuleWithoutVersion(name.into())),
    };

    let required_version = min_sdk_version();
    if module_version < *required_version {
        return Err(PrepareError::IncompatibleSDKVersions {
            module_name: name.into(),
            required: required_version.clone(),
            provided: module_version,
        });
    }

    Ok(())
}

pub(crate) fn check_it_version(
    name: impl Into<String>,
    it_version: &semver::Version,
) -> PrepareResult<()> {
    let required_version = min_it_version();
    if it_version < required_version {
        return Err(PrepareError::IncompatibleITVersions {
            module_name: name.into(),
            required: required_version.clone(),
            provided: it_version.clone(),
        });
    }

    Ok(())
}
