package tachiyomi.presentation.widget.components

import android.content.Intent
import android.graphics.Bitmap
import androidx.compose.runtime.Composable
import androidx.compose.ui.unit.Dp
import androidx.compose.ui.unit.dp
import androidx.glance.GlanceModifier
import androidx.glance.LocalContext
import androidx.glance.LocalSize
import androidx.glance.action.clickable
import androidx.glance.appwidget.CircularProgressIndicator
import androidx.glance.appwidget.action.actionStartActivity
import androidx.glance.layout.Alignment
import androidx.glance.layout.Box
import androidx.glance.layout.Column
import androidx.glance.layout.Row
import androidx.glance.layout.fillMaxHeight
import androidx.glance.layout.fillMaxWidth
import androidx.glance.layout.padding
import androidx.glance.text.Text
import androidx.glance.text.TextStyle
import androidx.glance.unit.ColorProvider
import tachiyomi.core.Constants
import tachiyomi.presentation.widget.R
import tachiyomi.presentation.widget.util.calculateRowAndColumnCount
import tachiyomi.presentation.widget.util.stringResource

@Composable
fun UpdatesWidget(
    data: List<Pair<Long, Bitmap?>>?,
    modifier: GlanceModifier = GlanceModifier,
    contentColor: ColorProvider,
    topPadding: Dp,
    bottomPadding: Dp,
) {
    Box(
        contentAlignment = Alignment.Center,
        modifier = modifier,
    ) {
        if (data == null) {
            CircularProgressIndicator(color = contentColor)
        } else if (data.isEmpty()) {
            Text(
                text = stringResource(R.string.information_no_recent),
                style = TextStyle(color = contentColor),
            )
        } else {
            val (rowCount, columnCount) = LocalSize.current.calculateRowAndColumnCount(topPadding, bottomPadding)
            Column(
                modifier = GlanceModifier.fillMaxHeight(),
                verticalAlignment = Alignment.CenterVertically,
                horizontalAlignment = Alignment.CenterHorizontally,
            ) {
                (0..<rowCount).forEach { i ->
                    val coverRow = (0..<columnCount).mapNotNull { j ->
                        data.getOrNull(j + (i * columnCount))
                    }
                    if (coverRow.isNotEmpty()) {
                        Row(
                            modifier = GlanceModifier
                                .padding(vertical = 4.dp)
                                .fillMaxWidth(),
                            horizontalAlignment = Alignment.CenterHorizontally,
                            verticalAlignment = Alignment.CenterVertically,
                        ) {
                            coverRow.forEach { (mangaId, cover) ->
                                Box(
                                    modifier = GlanceModifier
                                        .padding(horizontal = 3.dp),
                                    contentAlignment = Alignment.Center,
                                ) {
                                    val intent = Intent(LocalContext.current, Class.forName(Constants.MAIN_ACTIVITY)).apply {
                                        action = Constants.SHORTCUT_MANGA
                                        putExtra(Constants.MANGA_EXTRA, mangaId)
                                        addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
                                        addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)

                                        // https://issuetracker.google.com/issues/238793260
                                        addCategory(mangaId.toString())
                                    }
                                    UpdatesMangaCover(
                                        modifier = GlanceModifier.clickable(actionStartActivity(intent)),
                                        cover = cover,
                                    )
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}