package com.shaarit.widget

import android.app.PendingIntent
import android.appwidget.AppWidgetManager
import android.appwidget.AppWidgetProvider
import android.content.Context
import android.content.Intent
import android.net.Uri
import android.widget.RemoteViews
import com.shaarit.MainActivity
import com.shaarit.R

/**
 * Widget Provider pour afficher les liens Shaarli sur l'écran d'accueil
 */
class ShaarliWidgetProvider : AppWidgetProvider() {
    
    companion object {
        const val ACTION_ADD_LINK = "com.shaarit.widget.ACTION_ADD_LINK"
        const val ACTION_REFRESH = "com.shaarit.widget.ACTION_REFRESH"
        const val ACTION_RANDOM = "com.shaarit.widget.ACTION_RANDOM"
        const val EXTRA_LINK_URL = "link_url"
    }
    
    override fun onUpdate(
        context: Context,
        appWidgetManager: AppWidgetManager,
        appWidgetIds: IntArray
    ) {
        for (appWidgetId in appWidgetIds) {
            updateAppWidget(context, appWidgetManager, appWidgetId)
        }
    }
    
    override fun onReceive(context: Context, intent: Intent) {
        super.onReceive(context, intent)
        
        when (intent.action) {
            ACTION_ADD_LINK -> {
                // Ouvrir l'app en mode ajout rapide
                val mainIntent = Intent(context, MainActivity::class.java).apply {
                    action = Intent.ACTION_SEND
                    type = "text/plain"
                    putExtra(Intent.EXTRA_TEXT, "")
                    flags = Intent.FLAG_ACTIVITY_NEW_TASK
                }
                context.startActivity(mainIntent)
            }
            ACTION_REFRESH -> {
                // Rafraîchir le widget
                val appWidgetManager = AppWidgetManager.getInstance(context)
                val componentName = android.content.ComponentName(context, ShaarliWidgetProvider::class.java)
                val appWidgetIds = appWidgetManager.getAppWidgetIds(componentName)
                onUpdate(context, appWidgetManager, appWidgetIds)
            }
            ACTION_RANDOM -> {
                // Ouvrir un lien aléatoire
                // TODO: Implémenter la sélection aléatoire
                val mainIntent = Intent(context, MainActivity::class.java).apply {
                    flags = Intent.FLAG_ACTIVITY_NEW_TASK
                }
                context.startActivity(mainIntent)
            }
        }
    }
    
    private fun updateAppWidget(
        context: Context,
        appWidgetManager: AppWidgetManager,
        appWidgetId: Int
    ) {
        val views = RemoteViews(context.packageName, R.layout.widget_shaarli)
        
        // Configuration du titre
        views.setTextViewText(R.id.widget_title, "ShaarIt")
        
        // Bouton Ajouter
        val addIntent = Intent(context, ShaarliWidgetProvider::class.java).apply {
            action = ACTION_ADD_LINK
        }
        val addPendingIntent = PendingIntent.getBroadcast(
            context,
            0,
            addIntent,
            PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE
        )
        views.setOnClickPendingIntent(R.id.widget_btn_add, addPendingIntent)
        
        // Bouton Rafraîchir
        val refreshIntent = Intent(context, ShaarliWidgetProvider::class.java).apply {
            action = ACTION_REFRESH
        }
        val refreshPendingIntent = PendingIntent.getBroadcast(
            context,
            1,
            refreshIntent,
            PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE
        )
        views.setOnClickPendingIntent(R.id.widget_btn_refresh, refreshPendingIntent)
        
        // Bouton Aléatoire
        val randomIntent = Intent(context, ShaarliWidgetProvider::class.java).apply {
            action = ACTION_RANDOM
        }
        val randomPendingIntent = PendingIntent.getBroadcast(
            context,
            2,
            randomIntent,
            PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE
        )
        views.setOnClickPendingIntent(R.id.widget_btn_random, randomPendingIntent)
        
        // Configuration de la liste (utilise un RemoteViewsService)
        val serviceIntent = Intent(context, ShaarliWidgetService::class.java).apply {
            putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId)
            data = Uri.parse(toUri(Intent.URI_INTENT_SCHEME))
        }
        views.setRemoteAdapter(R.id.widget_list, serviceIntent)
        
        // Intent pour les items de la liste
        val clickIntent = Intent(context, MainActivity::class.java)
        val clickPendingIntent = PendingIntent.getActivity(
            context,
            0,
            clickIntent,
            PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_MUTABLE
        )
        views.setPendingIntentTemplate(R.id.widget_list, clickPendingIntent)
        
        // Message vide
        views.setEmptyView(R.id.widget_list, R.id.widget_empty)
        
        appWidgetManager.updateAppWidget(appWidgetId, views)
    }
}