package exh.ui.metadata

import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.WindowInsets
import androidx.compose.foundation.layout.asPaddingValues
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.navigationBars
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.width
import androidx.compose.foundation.lazy.items
import androidx.compose.material3.LocalContentColor
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.runtime.collectAsState
import androidx.compose.runtime.getValue
import androidx.compose.runtime.remember
import androidx.compose.ui.Modifier
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.unit.dp
import cafe.adriel.voyager.core.model.rememberScreenModel
import cafe.adriel.voyager.navigator.LocalNavigator
import cafe.adriel.voyager.navigator.currentOrThrow
import eu.kanade.core.navigation.Screen
import eu.kanade.presentation.components.AppBar
import eu.kanade.presentation.components.EmptyScreen
import eu.kanade.tachiyomi.R
import eu.kanade.tachiyomi.util.system.copyToClipboard
import tachiyomi.presentation.core.components.LoadingScreen
import tachiyomi.presentation.core.components.ScrollbarLazyColumn
import tachiyomi.presentation.core.components.material.Scaffold
import tachiyomi.presentation.core.components.material.topSmallPaddingValues
import tachiyomi.presentation.core.util.clickableNoIndication
import tachiyomi.presentation.core.util.plus

class MetadataViewScreen(private val mangaId: Long, private val sourceId: Long) : Screen() {

    @Composable
    override fun Content() {
        val screenModel = rememberScreenModel { MetadataViewScreenModel(mangaId, sourceId) }
        val navigator = LocalNavigator.currentOrThrow

        val state by screenModel.state.collectAsState()
        Scaffold(
            topBar = { scrollBehavior ->
                AppBar(
                    title = screenModel.manga.collectAsState().value?.title,
                    navigateUp = navigator::pop,
                    scrollBehavior = scrollBehavior,
                )
            },
        ) { paddingValues ->
            when (val state = state) {
                MetadataViewState.Loading -> LoadingScreen()
                MetadataViewState.MetadataNotFound -> EmptyScreen(R.string.no_results_found)
                MetadataViewState.SourceNotFound -> EmptyScreen(R.string.source_empty_screen)
                is MetadataViewState.Success -> {
                    val context = LocalContext.current
                    val items = remember(state.meta) { state.meta.getExtraInfoPairs(context) }
                    ScrollbarLazyColumn(
                        contentPadding = paddingValues + WindowInsets.navigationBars.asPaddingValues() + topSmallPaddingValues,
                    ) {
                        items(items) { (title, text) ->
                            Row(
                                Modifier
                                    .fillMaxWidth()
                                    .clickableNoIndication(
                                        onLongClick = {
                                            context.copyToClipboard(
                                                title,
                                                text,
                                            )
                                        },
                                        onClick = {},
                                    )
                                    .padding(vertical = 8.dp),
                            ) {
                                Text(
                                    title,
                                    modifier = Modifier
                                        .width(140.dp)
                                        .padding(start = 16.dp),
                                    style = MaterialTheme.typography.bodyMedium,
                                )
                                Text(
                                    text,
                                    modifier = Modifier
                                        .fillMaxWidth()
                                        .padding(start = 8.dp, end = 8.dp),
                                    style = MaterialTheme.typography.bodyMedium,
                                    color = LocalContentColor.current.copy(alpha = 0.7F),
                                )
                            }
                        }
                    }
                }
            }
        }
    }
}