/*
 * Copyright (C) 2023 The Android Open Source Project
 *
 * 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 com.android.systemui.biometrics.ui.viewmodel

import com.android.systemui.biometrics.shared.model.BiometricModality

/** Contains metadata about key events that have occurred while biometric prompt is showing. */
interface PromptHistory {

    /** If face authentication has failed at least once. */
    val faceFailed: Boolean

    /** If fingerprint authentication has failed at least once. */
    val fingerprintFailed: Boolean
}

class PromptHistoryImpl : PromptHistory {
    private var failures = mutableSetOf<BiometricModality>()

    override val faceFailed
        get() = failures.contains(BiometricModality.Face)

    override val fingerprintFailed
        get() = failures.contains(BiometricModality.Fingerprint)

    /** Record a failure event. */
    fun failure(modality: BiometricModality) {
        if (modality != BiometricModality.None) {
            failures.add(modality)
        }
    }
}