/*
 * Copyright (C) 2024 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.qs.panels.ui.compose

import androidx.compose.foundation.background
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.heightIn
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.rememberScrollState
import androidx.compose.foundation.verticalScroll
import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.automirrored.filled.ArrowBack
import androidx.compose.material.icons.filled.Settings
import androidx.compose.material3.Icon
import androidx.compose.material3.IconButton
import androidx.compose.material3.IconButtonDefaults
import androidx.compose.material3.LocalContentColor
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.runtime.CompositionLocalProvider
import androidx.compose.runtime.DisposableEffect
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.text.style.TextAlign
import androidx.compose.ui.unit.dp
import com.android.systemui.bluetooth.qsdialog.BluetoothDetailsContent
import com.android.systemui.bluetooth.ui.viewModel.BluetoothDetailsViewModel
import com.android.systemui.plugins.qs.TileDetailsViewModel
import com.android.systemui.qs.flags.QsDetailedView
import com.android.systemui.qs.panels.ui.viewmodel.DetailsViewModel
import com.android.systemui.qs.tiles.dialog.AudioDetailsContent
import com.android.systemui.qs.tiles.dialog.AudioDetailsViewModel
import com.android.systemui.qs.tiles.dialog.CastDetailsContent
import com.android.systemui.qs.tiles.dialog.CastDetailsViewModel
import com.android.systemui.qs.tiles.dialog.InternetDetailsContent
import com.android.systemui.qs.tiles.dialog.InternetDetailsViewModel
import com.android.systemui.qs.tiles.dialog.ModesDetailsContent
import com.android.systemui.qs.tiles.dialog.ModesDetailsViewModel

@Composable
fun TileDetails(modifier: Modifier = Modifier, detailsViewModel: DetailsViewModel) {

    if (!QsDetailedView.isEnabled) {
        throw IllegalStateException("QsDetailedView should be enabled")
    }

    val tileDetailedViewModel = detailsViewModel.activeTileDetails ?: return

    DisposableEffect(Unit) { onDispose { detailsViewModel.closeDetailedView() } }

    val title = tileDetailedViewModel.title
    val subTitle = tileDetailedViewModel.subTitle
    val colors = MaterialTheme.colorScheme

    Column(
        modifier =
            modifier
                .fillMaxWidth()
                .heightIn(
                    min = TileDetailsDefaults.DetailsMinHeight,
                    max = TileDetailsDefaults.DetailsMaxHeight,
                )
                .background(color = colors.onPrimary)
    ) {
        CompositionLocalProvider(
            value = LocalContentColor provides MaterialTheme.colorScheme.onSurfaceVariant
        ) {
            Row(
                modifier =
                    Modifier.fillMaxWidth()
                        .padding(
                            start = TileDetailsDefaults.TitleRowStart,
                            top = TileDetailsDefaults.TitleRowTop,
                            end = TileDetailsDefaults.TitleRowEnd,
                            bottom = TileDetailsDefaults.TitleRowBottom,
                        ),
                horizontalArrangement = Arrangement.SpaceBetween,
                verticalAlignment = Alignment.CenterVertically,
            ) {
                IconButton(
                    onClick = { detailsViewModel.closeDetailedView() },
                    colors = IconButtonDefaults.iconButtonColors(contentColor = colors.onSurface),
                    modifier = Modifier.align(Alignment.CenterVertically),
                ) {
                    Icon(
                        imageVector = Icons.AutoMirrored.Filled.ArrowBack,
                        // Description is TBD
                        contentDescription = "Back to QS panel",
                        tint = MaterialTheme.colorScheme.onSurface,
                    )
                }
                Text(
                    text = title,
                    modifier = Modifier.align(Alignment.CenterVertically),
                    textAlign = TextAlign.Center,
                    style = MaterialTheme.typography.titleMedium,
                    color = colors.onSurface,
                )
                IconButton(
                    onClick = { tileDetailedViewModel.clickOnSettingsButton() },
                    colors = IconButtonDefaults.iconButtonColors(contentColor = colors.onSurface),
                    modifier = Modifier.align(Alignment.CenterVertically),
                ) {
                    Icon(
                        imageVector = Icons.Default.Settings,
                        // Description is TBD
                        contentDescription = "Go to Settings",
                        tint = MaterialTheme.colorScheme.onSurface,
                    )
                }
            }
            Text(
                text = subTitle,
                modifier = Modifier.fillMaxWidth(),
                textAlign = TextAlign.Center,
                style = MaterialTheme.typography.bodySmall,
                color = colors.onSurfaceVariant,
            )
        }

        Column(modifier = Modifier.fillMaxWidth().verticalScroll(rememberScrollState())) {
            MapTileDetailsContent(tileDetailedViewModel)
        }
    }
}

@Composable
private fun MapTileDetailsContent(tileDetailsViewModel: TileDetailsViewModel) {
    when (tileDetailsViewModel) {
        is InternetDetailsViewModel -> InternetDetailsContent(tileDetailsViewModel)
        is BluetoothDetailsViewModel ->
            BluetoothDetailsContent(tileDetailsViewModel.detailsContentViewModel)
        is ModesDetailsViewModel -> ModesDetailsContent(tileDetailsViewModel)
        is CastDetailsViewModel -> CastDetailsContent(tileDetailsViewModel)
        is AudioDetailsViewModel -> AudioDetailsContent(tileDetailsViewModel)
    }
}

private object TileDetailsDefaults {
    val TitleRowStart = 2.dp
    val TitleRowTop = 14.dp
    val TitleRowEnd = 8.dp
    val TitleRowBottom = 2.dp
    val DetailsMaxHeight = 600.dp
    val DetailsMinHeight = 300.dp
}