package eu.kanade.presentation.crash

import androidx.compose.foundation.background
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
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.size
import androidx.compose.foundation.layout.systemBars
import androidx.compose.foundation.rememberScrollState
import androidx.compose.foundation.verticalScroll
import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.outlined.BugReport
import androidx.compose.material3.Button
import androidx.compose.material3.Icon
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.OutlinedButton
import androidx.compose.material3.Scaffold
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.runtime.rememberCoroutineScope
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.clip
import androidx.compose.ui.draw.drawBehind
import androidx.compose.ui.geometry.Offset
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.res.stringResource
import androidx.compose.ui.unit.Dp
import androidx.compose.ui.unit.dp
import eu.kanade.presentation.util.horizontalPadding
import eu.kanade.presentation.util.verticalPadding
import eu.kanade.tachiyomi.R
import eu.kanade.tachiyomi.util.CrashLogUtil
import kotlinx.coroutines.launch

@Composable
fun CrashScreen(
    exception: Throwable?,
    onRestartClick: () -> Unit,
) {
    val scope = rememberCoroutineScope()
    val context = LocalContext.current
    Scaffold(
        contentWindowInsets = WindowInsets.systemBars,
        bottomBar = {
            val strokeWidth = Dp.Hairline
            val borderColor = MaterialTheme.colorScheme.outline
            Column(
                modifier = Modifier
                    .background(MaterialTheme.colorScheme.surface)
                    .drawBehind {
                        drawLine(
                            borderColor,
                            Offset(0f, 0f),
                            Offset(size.width, 0f),
                            strokeWidth.value,
                        )
                    }
                    .padding(WindowInsets.navigationBars.asPaddingValues())
                    .padding(horizontal = horizontalPadding, vertical = verticalPadding),
                verticalArrangement = Arrangement.spacedBy(verticalPadding),
            ) {
                Button(
                    onClick = {
                        scope.launch {
                            CrashLogUtil(context).dumpLogs()
                        }
                    },
                    modifier = Modifier.fillMaxWidth(),
                ) {
                    Text(text = stringResource(id = R.string.pref_dump_crash_logs))
                }
                OutlinedButton(
                    onClick = onRestartClick,
                    modifier = Modifier.fillMaxWidth(),
                ) {
                    Text(text = stringResource(R.string.crash_screen_restart_application))
                }
            }
        },
    ) { paddingValues ->
        Column(
            modifier = Modifier
                .verticalScroll(rememberScrollState())
                .padding(paddingValues)
                .padding(top = 56.dp)
                .padding(horizontal = horizontalPadding),
            horizontalAlignment = Alignment.CenterHorizontally,
        ) {
            Icon(
                imageVector = Icons.Outlined.BugReport,
                contentDescription = null,
                modifier = Modifier
                    .size(64.dp),
            )
            Text(
                text = stringResource(R.string.crash_screen_title),
                style = MaterialTheme.typography.titleLarge,
            )
            Text(
                text = stringResource(R.string.crash_screen_description, stringResource(id = R.string.app_name)),
                modifier = Modifier
                    .padding(vertical = verticalPadding),
            )
            Box(
                modifier = Modifier
                    .padding(vertical = verticalPadding)
                    .clip(MaterialTheme.shapes.small)
                    .fillMaxWidth()
                    .background(MaterialTheme.colorScheme.surfaceVariant),
            ) {
                Text(
                    text = exception.toString(),
                    modifier = Modifier
                        .padding(all = verticalPadding),
                    color = MaterialTheme.colorScheme.onSurfaceVariant,
                )
            }
        }
    }
}