//===----------------------------------------------------------------------===//
//
// This source file is part of the SwiftNIO open source project
//
// Copyright (c) 2022 Apple Inc. and the SwiftNIO project authors
// Licensed under Apache License v2.0
//
// See LICENSE.txt for license information
// See CONTRIBUTORS.txt for the list of SwiftNIO project authors
//
// SPDX-License-Identifier: Apache-2.0
//
//===----------------------------------------------------------------------===//

#if canImport(Network)
import Network
import NIOCore
import XCTest
@testable import NIOTransportServices

@available(OSX 10.14, iOS 12.0, tvOS 12.0, watchOS 6.0, *)
final class NIOTSChannelMetadataTests: XCTestCase {
    func testThrowsIfCalledOnWrongChannel() throws {
        let eventLoopGroup = NIOTSEventLoopGroup()
        defer { XCTAssertNoThrow(try eventLoopGroup.syncShutdownGracefully()) }
        let listenerBootsrap = NIOTSListenerBootstrap(group: eventLoopGroup)
        let listenerChannel = try listenerBootsrap.bind(host: "localhost", port: 0).wait()
        defer { XCTAssertNoThrow(try listenerChannel.close().wait()) }

        XCTAssertThrowsError(try listenerChannel.getMetadata(definition: NWProtocolTLS.definition).wait()) { error in
            XCTAssertTrue(error is NIOTSChannelIsNotANIOTSConnectionChannel, "unexpected error \(error)")
        }
        try! listenerChannel.eventLoop.submit {
            XCTAssertThrowsError(try listenerChannel.getMetadataSync(definition: NWProtocolTLS.definition)) { error in
                XCTAssertTrue(error is NIOTSChannelIsNotANIOTSConnectionChannel, "unexpected error \(error)")
            }
        }.wait()

    }
    func testThrowsIfCalledOnANonInitializedChannel() {
        let eventLoopGroup = NIOTSEventLoopGroup()
        defer { XCTAssertNoThrow(try eventLoopGroup.syncShutdownGracefully()) }
        let channel = NIOTSConnectionChannel(
            eventLoop: eventLoopGroup.next() as! NIOTSEventLoop,
            tcpOptions: .init(),
            tlsOptions: .init(),
            nwParametersConfigurator: nil
        )
        XCTAssertThrowsError(try channel.getMetadata(definition: NWProtocolTLS.definition).wait()) { error in
            XCTAssertTrue(error is NIOTSConnectionNotInitialized, "unexpected error \(error)")
        }
        try! channel.eventLoop.submit {
            XCTAssertThrowsError(try channel.getMetadataSync(definition: NWProtocolTLS.definition)) { error in
                XCTAssertTrue(error is NIOTSConnectionNotInitialized, "unexpected error \(error)")
            }
        }.wait()
    }
}
#endif