/* Copyright 2018 Miquido
 
 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. */

#if FUTURA_DEBUG
public extension Signal {
    /// Allows to debug on Signal instance
    ///
    /// - Parameter mode: debug mode to set on Signal.
    @discardableResult
    func debug(_ mode: DebugMode) -> Self {
        Mutex.lock(mtx)
        defer { Mutex.unlock(mtx) }
        self.debugMode = mode
        return self
    }
}

internal extension Signal {
    func debugLog(_ message: String) {
        guard debugMode.isEnabled else { return }
        FuturaDebug.logger("\(self.debugDescription) \(message)")
    }
}

extension Signal: CustomDebugStringConvertible {
    public var debugDescription: String {
        Mutex.lock(mtx)
        defer { Mutex.unlock(mtx) }
        return "[Signal<\(Value.self)>[0x\(String(unsafeBitCast(self, to: Int.self), radix: 16))]]"
    }
}
#endif
