/*
 * 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.libraries.designsystem.components.async

import androidx.compose.foundation.background
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.text.style.TextOverflow
import androidx.compose.ui.unit.Dp
import androidx.compose.ui.unit.dp
import io.element.android.compound.theme.ElementTheme
import io.element.android.libraries.designsystem.preview.ElementPreview
import io.element.android.libraries.designsystem.preview.PreviewsDayNight
import io.element.android.libraries.designsystem.theme.components.Surface
import io.element.android.libraries.designsystem.theme.components.Text

@Composable
internal fun AsyncIndicatorView(
    text: String,
    spacing: Dp,
    modifier: Modifier = Modifier,
    elevation: Dp = 8.dp,
    leadingContent: @Composable (() -> Unit)?,
) {
    Box(
        modifier = modifier
            .padding(horizontal = 32.dp)
            .padding(elevation)
    ) {
        Surface(
            shape = RoundedCornerShape(24.dp),
            shadowElevation = elevation,
        ) {
            Row(
                modifier = Modifier
                    .background(color = ElementTheme.colors.bgSubtleSecondary)
                    .padding(horizontal = 24.dp, vertical = 10.dp),
                verticalAlignment = Alignment.CenterVertically,
                horizontalArrangement = Arrangement.spacedBy(spacing)
            ) {
                leadingContent?.let { view ->
                    view()
                }
                Text(
                    text = text,
                    maxLines = 1,
                    overflow = TextOverflow.Ellipsis,
                    color = ElementTheme.colors.textPrimary,
                    style = ElementTheme.typography.fontBodyMdMedium
                )
            }
        }
    }
}

@PreviewsDayNight
@Composable
internal fun AsyncIndicatorLoadingPreview() {
    ElementPreview {
        AsyncIndicator.Loading(text = "Loading")
    }
}

@PreviewsDayNight
@Composable
internal fun AsyncIndicatorFailurePreview() {
    ElementPreview {
        AsyncIndicator.Failure(text = "Failed")
    }
}
