/*
 * 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.android.internal.crypto.verification

internal interface VerificationInfoCancel : VerificationInfo<ValidVerificationInfoCancel> {
    /**
     * machine-readable reason for cancelling, see [CancelCode]
     */
    val code: String?

    /**
     * human-readable reason for cancelling.  This should only be used if the receiving client does not understand the code given.
     */
    val reason: String?

    override fun asValidObject(): ValidVerificationInfoCancel? {
        val validTransactionId = transactionId?.takeIf { it.isNotEmpty() } ?: return null
        val validCode = code?.takeIf { it.isNotEmpty() } ?: return null

        return ValidVerificationInfoCancel(
                validTransactionId,
                validCode,
                reason
        )
    }
}

internal data class ValidVerificationInfoCancel(
        val transactionId: String,
        val code: String,
        val reason: String?
)
