/*
 * Copyright 2019 New Vector Ltd
 *
 * 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.
 */

package im.vector.matrix.rx

import im.vector.matrix.android.api.MatrixCallback
import im.vector.matrix.android.api.util.Cancelable
import io.reactivex.Completable
import io.reactivex.Single

fun <T> singleBuilder(builder: (callback: MatrixCallback<T>) -> Cancelable): Single<T> = Single.create {
    val callback: MatrixCallback<T> = object : MatrixCallback<T> {
        override fun onSuccess(data: T) {
            it.onSuccess(data)
        }

        override fun onFailure(failure: Throwable) {
            it.tryOnError(failure)
        }
    }
    val cancelable = builder(callback)
    it.setCancellable {
        cancelable.cancel()
    }
}

fun <T> completableBuilder(builder: (callback: MatrixCallback<T>) -> Cancelable): Completable = Completable.create {
    val callback: MatrixCallback<T> = object : MatrixCallback<T> {
        override fun onSuccess(data: T) {
            it.onComplete()
        }

        override fun onFailure(failure: Throwable) {
            it.tryOnError(failure)
        }
    }
    val cancelable = builder(callback)
    it.setCancellable {
        cancelable.cancel()
    }
}
