SubwayTooter-Android-App/app/src/main/java/jp/juggler/subwaytooter/ViewHolderHeaderInstance.kt

package jp.juggler.subwaytooter

import android.content.Intent
import android.net.Uri
import android.view.View
import android.widget.TextView
import jp.juggler.subwaytooter.action.Action_Account

import jp.juggler.subwaytooter.api.entity.TootInstance
import jp.juggler.subwaytooter.util.DecodeOptions
import jp.juggler.subwaytooter.util.LogCategory
import jp.juggler.subwaytooter.util.showToast
import jp.juggler.subwaytooter.view.MyLinkMovementMethod
import jp.juggler.subwaytooter.view.MyNetworkImageView
import java.util.*
import java.util.regex.Pattern

internal class ViewHolderHeaderInstance(
	arg_activity : ActMain,
	viewRoot : View
) : ViewHolderHeaderBase(arg_activity, viewRoot)
	, View.OnClickListener {
	
	companion object {
		private val log = LogCategory("ViewHolderHeaderInstance")
		
		val reWhitespaceBeforeLineFeed = Pattern.compile("[ \t\r]+\n")
	}
	
	private val btnInstance : TextView
	private val tvVersion : TextView
	private val tvTitle : TextView
	private val btnEmail : TextView
	private val tvDescription : TextView
	private val tvUserCount : TextView
	private val tvTootCount : TextView
	private val tvDomainCount : TextView
	private val ivThumbnail : MyNetworkImageView
	private val btnContact : TextView
	private val tvLanguages : TextView
	private var instance : TootInstance? = null
	
	init {
		
		//
		//		CharSequence sv = HTMLDecoder.decodeHTML( activity, access_info, html, false, true, null );
		//
		//		TextView tvSearchDesc = (TextView) viewRoot.findViewById( R.id.tvSearchDesc );
		//		tvSearchDesc.setVisibility( View.VISIBLE );
		//		tvSearchDesc.setMovementMethod( MyLinkMovementMethod.getInstance() );
		//		tvSearchDesc.setText( sv );
		
		btnInstance = viewRoot.findViewById(R.id.btnInstance)
		tvVersion = viewRoot.findViewById(R.id.tvVersion)
		tvTitle = viewRoot.findViewById(R.id.tvTitle)
		btnEmail = viewRoot.findViewById(R.id.btnEmail)
		tvDescription = viewRoot.findViewById(R.id.tvDescription)
		tvUserCount = viewRoot.findViewById(R.id.tvUserCount)
		tvTootCount = viewRoot.findViewById(R.id.tvTootCount)
		tvDomainCount = viewRoot.findViewById(R.id.tvDomainCount)
		ivThumbnail = viewRoot.findViewById(R.id.ivThumbnail)
		btnContact = viewRoot.findViewById(R.id.btnContact)
		tvLanguages = viewRoot.findViewById(R.id.tvLanguages)
		
		
		btnInstance.setOnClickListener(this)
		btnEmail.setOnClickListener(this)
		btnContact.setOnClickListener(this)
		ivThumbnail.setOnClickListener(this)
		
		tvDescription.movementMethod = MyLinkMovementMethod
	}
	
	override fun showColor() {
		//
	}
	
	override fun bindData(column : Column) {
		super.bindData(column)
		val instance = column.instance_information
		this.instance = instance
		
		if(instance == null) {
			btnInstance.text = "?"
			tvVersion.text = "?"
			tvTitle.text = "?"
			btnEmail.text = "?"
			btnEmail.isEnabled = false
			tvDescription.text = "?"
			ivThumbnail.setImageUrl(App1.pref, 0f, null)
			tvLanguages.text = "?"
			btnContact.text = "?"
			btnContact.isEnabled = false
		} else {
			val uri = instance.uri ?: ""
			btnInstance.text = uri
			btnInstance.isEnabled = uri.isNotEmpty()
			
			tvVersion.text = instance.version ?: ""
			tvTitle.text = instance.title ?: ""
			
			val email = instance.email ?: ""
			btnEmail.text = email
			btnEmail.isEnabled = email.isNotEmpty()
			
			val contact_acct = instance.contact_account?.let{ who -> "@"+who.username +"@"+ who.host} ?: ""
			btnContact.text = contact_acct
			btnContact.isEnabled = contact_acct.isNotEmpty()
			
			tvLanguages.text = instance.languages?.joinToString(", ") ?: ""
			
			var sb = DecodeOptions(activity, access_info, decodeEmoji = true)
				.decodeHTML("<p>" + (instance.description ?: "") + "</p>")
			
			// 行末の空白を除去
			val m = reWhitespaceBeforeLineFeed.matcher(sb)
			val matchList = LinkedList<Pair<Int, Int>>()
			while(m.find()) {
				// 逆順に並べる
				matchList.addFirst(Pair(m.start(), m.end()))
			}
			for(pair in matchList) {
				sb.delete(pair.first, pair.second - 1)
			}
			
			// 連続する改行をまとめる
			var previous_br_count = 0
			var i = 0
			while(i < sb.length) {
				val c = sb[i]
				if(c == '\n') {
					if(++ previous_br_count >= 3) {
						sb.delete(i, i + 1)
						continue
					}
				} else {
					previous_br_count = 0
				}
				++ i
			}
			
			tvDescription.text = sb
			
			val stats = instance.stats
			if(stats == null) {
				tvUserCount.setText(R.string.not_provided_mastodon_under_1_6)
				tvTootCount.setText(R.string.not_provided_mastodon_under_1_6)
				tvDomainCount.setText(R.string.not_provided_mastodon_under_1_6)
			} else {
				tvUserCount.text = stats.user_count.toString(10)
				tvTootCount.text = stats.status_count.toString(10)
				tvDomainCount.text = stats.domain_count.toString(10)
				
			}
			
			val thumbnail = instance.thumbnail
			if(thumbnail == null || thumbnail.isEmpty()) {
				ivThumbnail.setImageUrl(App1.pref, 0f, null)
			} else {
				ivThumbnail.setImageUrl(App1.pref, 0f, thumbnail, thumbnail)
			}
		}
	}
	
	override fun onClick(v : View) {
		when(v.id) {
			
			R.id.btnInstance -> instance?.uri?.let { uri ->
				App1.openCustomTab(activity, "https://$uri/about")
			}
			
			R.id.btnEmail -> instance?.email?.let { email ->
				try {
					val intent = Intent(Intent.ACTION_SEND)
					intent.type = "text/plain"
					intent.putExtra(Intent.EXTRA_EMAIL, arrayOf(email))
					intent.putExtra(Intent.EXTRA_TEXT, email)
					activity.startActivity(intent)
					
				} catch(ex : Throwable) {
					log.e(ex, "startActivity failed. mail=$email")
					showToast(activity, true, R.string.missing_mail_app)
				}
				
			}
			R.id.btnContact -> instance?.contact_account?.let { who ->
				Action_Account.timeline(
					activity,
					activity.nextPosition(column),
					false,
					Column.TYPE_SEARCH,
					"@"+who.username +"@"+ who.host,
					true
				)
			}
			
			R.id.ivThumbnail -> instance?.thumbnail?.let { thumbnail ->
				try {
					if(thumbnail.isNotEmpty()) {
						val intent = Intent(Intent.ACTION_VIEW)
						intent.data = Uri.parse(thumbnail)
						activity.startActivity(intent)
					}
					
				} catch(ex : Throwable) {
					log.e(ex, "startActivity failed. thumbnail=$thumbnail")
					showToast(activity, true, "missing web browser")
				}
				
			}
		}
	}
	
	override fun onViewRecycled() {
	}
	
}