/*
 * ImageToolbox is an image editor for android
 * Copyright (c) 2026 T8RIN (Malik Mukhametzyanov)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 *
 * 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.
 *
 * You should have received a copy of the Apache License
 * along with this program.  If not, see <http://www.apache.org/licenses/LICENSE-2.0>.
 */

package com.t8rin.imagetoolbox.core.ui.widget.other

import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.width
import androidx.compose.foundation.rememberScrollState
import com.t8rin.imagetoolbox.core.resources.Icons
import androidx.compose.material3.FabPosition
import androidx.compose.material3.Icon
import androidx.compose.material3.Scaffold
import androidx.compose.material3.TopAppBarDefaults
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.input.nestedscroll.nestedScroll
import androidx.compose.ui.platform.LocalUriHandler
import androidx.compose.ui.res.stringResource
import androidx.compose.ui.unit.dp
import com.t8rin.imagetoolbox.core.domain.APP_RELEASES
import com.t8rin.imagetoolbox.core.resources.R
import com.t8rin.imagetoolbox.core.resources.icons.ArrowBack
import com.t8rin.imagetoolbox.core.resources.icons.Block
import com.t8rin.imagetoolbox.core.resources.icons.Github
import com.t8rin.imagetoolbox.core.settings.presentation.provider.LocalSettingsState
import com.t8rin.imagetoolbox.core.ui.theme.Black
import com.t8rin.imagetoolbox.core.ui.theme.White
import com.t8rin.imagetoolbox.core.ui.widget.enhanced.EnhancedFloatingActionButton
import com.t8rin.imagetoolbox.core.ui.widget.enhanced.EnhancedIconButton
import com.t8rin.imagetoolbox.core.ui.widget.enhanced.EnhancedTopAppBar
import com.t8rin.imagetoolbox.core.ui.widget.enhanced.EnhancedTopAppBarType
import com.t8rin.imagetoolbox.core.ui.widget.enhanced.enhancedVerticalScroll
import com.t8rin.imagetoolbox.core.ui.widget.image.SourceNotPickedWidget
import com.t8rin.imagetoolbox.core.ui.widget.text.AutoSizeText

@Composable
fun FeatureNotAvailableContent(
    title: @Composable () -> Unit,
    onGoBack: () -> Unit
) {
    val scrollBehavior = TopAppBarDefaults.exitUntilCollapsedScrollBehavior()
    val linkHandler = LocalUriHandler.current
    val settingsState = LocalSettingsState.current

    Scaffold(
        topBar = {
            EnhancedTopAppBar(
                type = EnhancedTopAppBarType.Large,
                scrollBehavior = scrollBehavior,
                title = title,
                navigationIcon = {
                    EnhancedIconButton(
                        onClick = onGoBack
                    ) {
                        Icon(
                            imageVector = Icons.Rounded.ArrowBack,
                            contentDescription = stringResource(R.string.exit)
                        )
                    }
                },
                actions = {
                    TopAppBarEmoji()
                }
            )
        },
        floatingActionButtonPosition = when (settingsState.fabAlignment) {
            Alignment.BottomStart -> FabPosition.Start
            Alignment.BottomCenter -> FabPosition.Center
            else -> FabPosition.End
        },
        floatingActionButton = {
            EnhancedFloatingActionButton(
                onClick = {
                    linkHandler.openUri(APP_RELEASES)
                },
                containerColor = Black,
                contentColor = White,
                content = {
                    Spacer(Modifier.width(16.dp))
                    Icon(
                        imageVector = Icons.Rounded.Github,
                        contentDescription = stringResource(R.string.restart_app)
                    )
                    Spacer(Modifier.width(16.dp))
                    AutoSizeText(
                        text = stringResource(R.string.open_github_page),
                        maxLines = 1
                    )
                    Spacer(Modifier.width(16.dp))
                }
            )
        }
    ) {
        Column(
            modifier = Modifier
                .nestedScroll(scrollBehavior.nestedScrollConnection)
                .enhancedVerticalScroll(rememberScrollState())
                .fillMaxSize()
                .padding(it)
                .padding(20.dp)
        ) {
            SourceNotPickedWidget(
                onClick = {
                    linkHandler.openUri(APP_RELEASES)
                },
                text = stringResource(R.string.wallpapers_export_not_avaialbe),
                icon = Icons.TwoTone.Block,
                maxLines = Int.MAX_VALUE
            )
        }
    }
}