package com.anas4tech.noteable

import android.app.PendingIntent
import android.appwidget.AppWidgetManager
import android.content.Context
import android.content.Intent
import android.content.SharedPreferences
import android.view.View
import android.widget.RemoteViews
import es.antonborri.home_widget.HomeWidgetLaunchIntent
import es.antonborri.home_widget.HomeWidgetProvider
import androidx.core.content.edit
import androidx.core.net.toUri

open class SelectedNoteWidgetProvider : HomeWidgetProvider() {
    override fun onUpdate(
        context: Context,
        appWidgetManager: AppWidgetManager,
        appWidgetIds: IntArray,
        widgetData: SharedPreferences
    ) {
        val configuredWidgetIds = widgetData.getString("selected_note_widget_ids", "")
            .orEmpty().split(',').mapNotNull(String::toIntOrNull).toMutableSet()
        configuredWidgetIds.addAll(appWidgetIds.toList())
        widgetData.edit {
            putString("selected_note_widget_ids", configuredWidgetIds.joinToString(","))
        }

        appWidgetIds.forEach { appWidgetId ->
            val views = RemoteViews(context.packageName, R.layout.selected_note_widget)
            val palette = WidgetTheme.palette(context, widgetData)
            views.setInt(R.id.selected_note_widget_container, "setBackgroundResource", palette.backgroundResource)
            if (!palette.followsSystem) {
                views.setTextColor(R.id.selected_note_title, palette.primaryText)
                views.setTextColor(R.id.selected_note_line_text, palette.secondaryText)
            }

            val description = widgetData.getString("selected_note_${appWidgetId}_description", "").orEmpty()
            val title = widgetData.getString("selected_note_${appWidgetId}_title", "").orEmpty()
            val noteId = widgetData.getInt("selected_note_${appWidgetId}_id", -1)

            views.setTextViewText(R.id.selected_note_title, title)
            views.setViewVisibility(R.id.selected_note_title, if (title.isEmpty()) View.GONE else View.VISIBLE)
            views.setViewVisibility(R.id.selected_note_lines, if (description.isEmpty()) View.GONE else View.VISIBLE)
            views.setViewVisibility(R.id.selected_note_empty, if (description.isEmpty()) View.VISIBLE else View.GONE)

            val adapterIntent = Intent(context, SelectedNoteLinesRemoteViewsService::class.java).apply {
                putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId)
                data = "selected-note-lines://widget/$appWidgetId".toUri()
            }
            views.setRemoteAdapter(R.id.selected_note_lines, adapterIntent)
            views.setEmptyView(R.id.selected_note_lines, R.id.selected_note_empty)

            if (noteId > 0) {
                val openIntent = HomeWidgetLaunchIntent.getActivity(
                    context, MainActivity::class.java,
                    "noteable://open-note/$noteId?source=widget_view".toUri()
                )
                views.setOnClickPendingIntent(R.id.selected_note_title, openIntent)
                views.setOnClickPendingIntent(R.id.selected_note_empty, openIntent)
                views.setOnClickPendingIntent(R.id.selected_note_widget_container, openIntent)

                val lineClickIntent = Intent(context, WidgetItemClickReceiver::class.java)
                val lineClickPendingIntent = PendingIntent.getBroadcast(
                    context,
                    appWidgetId,
                    lineClickIntent,
                    PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_MUTABLE
                )
                views.setPendingIntentTemplate(R.id.selected_note_lines, lineClickPendingIntent)
            }

            appWidgetManager.updateAppWidget(appWidgetId, views)
            appWidgetManager.notifyAppWidgetViewDataChanged(appWidgetId, R.id.selected_note_lines)
        }
    }
}