package com.vgmlr.wedge

import android.app.PendingIntent
import android.appwidget.AppWidgetManager
import android.appwidget.AppWidgetProvider
import android.content.ComponentName
import android.content.Context
import android.content.Intent
import android.widget.RemoteViews
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.launch
import kotlinx.coroutines.flow.firstOrNull
import androidx.core.graphics.toColorInt
import androidx.core.net.toUri

class NoteWidgetProvider : AppWidgetProvider() {

    override fun onUpdate(
        context: Context,
        appWidgetManager: AppWidgetManager,
        appWidgetIds: IntArray
    ) {
        val prefs = PreferenceManager(context)

        CoroutineScope(Dispatchers.IO).launch {
            val bgColor = prefs.widgetBgColor.firstOrNull() ?: "#000000"

            for (appWidgetId in appWidgetIds) {
                val views = RemoteViews(context.packageName, R.layout.widget_layout)

                val serviceIntent = Intent(context, WedgeWidgetService::class.java).apply {
                    putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId)
                    data = this.toUri(Intent.URI_INTENT_SCHEME).toUri()
                }

                @Suppress("DEPRECATION")
                views.setRemoteAdapter(R.id.widget_list, serviceIntent)

                val clickIntent = Intent(context, MainActivity::class.java)
                val clickPI = PendingIntent.getActivity(
                    context, 0, clickIntent,
                    PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_MUTABLE
                )
                views.setPendingIntentTemplate(R.id.widget_list, clickPI)

                try {
                    views.setInt(R.id.widget_root, "setBackgroundColor", bgColor.toColorInt())
                } catch (_: Exception) {
                    views.setInt(R.id.widget_root, "setBackgroundColor", "#000000".toColorInt())
                }

                @Suppress("DEPRECATION")
                appWidgetManager.notifyAppWidgetViewDataChanged(appWidgetId, R.id.widget_list)

                appWidgetManager.updateAppWidget(appWidgetId, views)
            }
        }
    }

    companion object {
        fun triggerUpdate(context: Context) {
            val appWidgetManager = AppWidgetManager.getInstance(context)
            val componentName = ComponentName(context, NoteWidgetProvider::class.java)
            val ids = appWidgetManager.getAppWidgetIds(componentName)

            for (id in ids) {
                @Suppress("DEPRECATION")
                appWidgetManager.notifyAppWidgetViewDataChanged(id, R.id.widget_list)
            }

            val intent = Intent(context, NoteWidgetProvider::class.java).apply {
                action = AppWidgetManager.ACTION_APPWIDGET_UPDATE
                putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, ids)
            }
            context.sendBroadcast(intent)
        }
    }
}