/*
 * Copyright (c) 2023 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.libraries.designsystem.components.async

import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.padding
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.res.stringResource
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import io.element.android.libraries.designsystem.preview.ElementPreviewDark
import io.element.android.libraries.designsystem.preview.ElementPreviewLight
import io.element.android.libraries.designsystem.theme.components.Button
import io.element.android.libraries.designsystem.theme.components.Text
import io.element.android.libraries.ui.strings.CommonStrings

@Composable
fun AsyncFailure(
    throwable: Throwable,
    onRetry: (() -> Unit)?,
    modifier: Modifier = Modifier,
) {
    Column(
        modifier = modifier
            .fillMaxWidth()
            .padding(vertical = 32.dp),
        horizontalAlignment = Alignment.CenterHorizontally,
    ) {
        Text(text = throwable.message ?: stringResource(id = CommonStrings.error_unknown))
        if (onRetry != null) {
            Spacer(modifier = Modifier.height(24.dp))
            Button(
                text = stringResource(id = CommonStrings.action_retry),
                onClick = onRetry
            )
        }
    }
}

@Preview
@Composable
internal fun AsyncFailurePreviewLight() = ElementPreviewLight { ContentToPreview() }

@Preview
@Composable
internal fun AsyncFailurePreviewDark() = ElementPreviewDark { ContentToPreview() }

@Composable
private fun ContentToPreview() {
    AsyncFailure(
        throwable = IllegalStateException("An error occurred"),
        onRetry = {}
    )
}
