/*
 * Copyright (c) 2024 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 io.element.android.tests.testutils

import com.google.common.truth.Truth.assertThat

class EventsRecorder<T>(
    private val expectEvents: Boolean = true
) : (T) -> Unit {
    private val events = mutableListOf<T>()

    override fun invoke(event: T) {
        if (expectEvents) {
            events.add(event)
        } else {
            throw AssertionError("Unexpected event: $event")
        }
    }

    fun assertEmpty() {
        assertThat(events).isEmpty()
    }

    fun assertSingle(event: T) {
        assertList(listOf(event))
    }

    fun assertList(expectedEvents: List<T>) {
        assertThat(events).isEqualTo(expectedEvents)
    }
}
