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package net.lacolaco.smileessence.view

import android.app.Activity
import android.text.Html
import android.view.View
import android.view.ViewGroup
import kotlinx.android.synthetic.main.list_item_status.view.*
import net.lacolaco.smileessence.R
import net.lacolaco.smileessence.World
import net.lacolaco.smileessence.data.ImageCache
import net.lacolaco.smileessence.entity.DirectMessage
import net.lacolaco.smileessence.entity.Tweet
import net.lacolaco.smileessence.entity.User
import net.lacolaco.smileessence.preference.UserPreferenceHelper
import net.lacolaco.smileessence.util.StringUtils
import net.lacolaco.smileessence.view.adapter.UnorderedCustomListAdapter
import net.lacolaco.smileessence.view.dialog.MessageDetailDialogFragment
import net.lacolaco.smileessence.view.dialog.StatusDetailDialogFragment
import net.lacolaco.smileessence.view.dialog.UserDetailDialogFragment
import net.lacolaco.smileessence.view.listener.ListItemClickListener

object Partials {
    fun getTweetView(tweet: Tweet, world: World, activity: Activity, convertView: View?, expandEmbeddedTweets: Boolean = true): View {
        val view: View = convertView ?: activity.layoutInflater.inflate(R.layout.list_item_status, null)

        view.setOnClickListener(ListItemClickListener(activity) { DialogHelper.showDialog(activity, StatusDetailDialogFragment.newInstance(tweet)) })

        (view as ColoredRelativeLayout).setAccentVisibility(tweet.user === world.account.user)

        updateViewUser(tweet.originalTweet.user, activity, view)
        updateViewBody(tweet, world, activity, view)
        updateViewFavorited(tweet, world, view)
        updateViewEmbeddeds(tweet, world, activity, view, expandEmbeddedTweets)

        return view
    }


    private fun updateViewEmbeddeds(tweet: Tweet, world: World, activity: Activity, view: View, expandEmbeddedTweets: Boolean) {
        if (expandEmbeddedTweets) {
            val embeddedTweetsAdapter = object : UnorderedCustomListAdapter<Tweet>() {
                override fun getView(position: Int, convertView: View?, parent: ViewGroup): View {
                    return Partials.getTweetView(getItem(position), world, activity, convertView, false)
                }
            }

            for (id in tweet.embeddedStatusIDs) {
                Tweet.fetchTask(id, world.account).onDone { t -> embeddedTweetsAdapter.add(t); embeddedTweetsAdapter.update() }.execute()
            }
            view.listview_status_embedded_status.adapter = embeddedTweetsAdapter
            view.listview_status_embedded_status.visibility = View.VISIBLE
        } else {
            view.listview_status_embedded_status.adapter = null // view may be reused, set null explicitly
            view.listview_status_embedded_status.visibility = View.GONE
        }
    }

    private fun updateViewUser(user: User, activity: Activity, view: View) {
        val textSize = UserPreferenceHelper.instance.textSize

        val iconUrl = user.profileImageUrl
        view.imageview_status_icon.setImageUrl(iconUrl, ImageCache.getImageLoader())
        view.imageview_status_icon.setOnClickListener { v ->
            DialogHelper.showDialog(activity, UserDetailDialogFragment.newInstance(user))
        }

        view.textview_status_header.textSize = textSize.toFloat()
        view.textview_status_header.text = user.formattedName
    }

    private fun updateViewBody(tweet: Tweet, world: World, activity: Activity, view: View) {
        val textSize = UserPreferenceHelper.instance.textSize

        view.textview_status_text.textSize = textSize.toFloat()
        view.textview_status_text.text = tweet.text
        view.textview_status_footer.textSize = (textSize - 2).toFloat()
        view.textview_status_footer.text = getFooterText(tweet)

        val typedView = view as ColoredRelativeLayout
        when {
            tweet.isRetweet -> typedView.setHighlight(2)
            tweet.mentions.contains(world.account.user.screenName) -> typedView.setHighlight(1)
            else -> typedView.setHighlight(0)
        }
    }

    private fun updateViewFavorited(tweet: Tweet, world: World, view: View) {
        view.imageview_status_favorited.visibility = if (tweet.isFavoritedBy(world.account.userId)) View.VISIBLE else View.GONE
    }

    private fun getFooterText(tweet: Tweet): String {
        val builder = StringBuilder()
        if (tweet.isRetweet) {
            builder
                    .append("(RT: ")
                    .append(tweet.user.screenName)
                    .append(") ")
        }
        builder.append(StringUtils.dateToString(tweet.originalTweet.createdAt))
        builder.append(" via ")
        builder.append(Html.fromHtml(tweet.originalTweet.source))
        return builder.toString()
    }

    fun getDirectMessageView(directMessage: DirectMessage, world: World, activity: Activity, convertView: View?): View {
        val view = convertView ?: activity.layoutInflater.inflate(R.layout.list_item_status, null)

        view.setOnClickListener(ListItemClickListener(activity) { DialogHelper.showDialog(activity, MessageDetailDialogFragment.newInstance(directMessage)) })

        view.imageview_status_favorited.visibility = View.GONE

        (view as ColoredRelativeLayout).setAccentVisibility(directMessage.sender === world.account.user)

        updateViewUser(directMessage.sender, activity, view)
        updateViewBody(directMessage, world, view)

        return view
    }

    private fun getFooterText(directMessage: DirectMessage, world: World): String {
        val builder = StringBuilder()
        builder.append(StringUtils.dateToString(directMessage.createdAt))
        if (directMessage.sender == world.account.user) {
            builder.append(" to @").append(directMessage.recipient.screenName)
        }
        return builder.toString()
    }


    private fun updateViewBody(directMessage: DirectMessage, world: World, view: View) {
        val textSize = UserPreferenceHelper.instance.textSize

        view.textview_status_text.textSize = textSize.toFloat()
        view.textview_status_text.text = directMessage.text
        view.textview_status_footer.textSize = (textSize - 2).toFloat()
        view.textview_status_footer.text = getFooterText(directMessage, world)
    }
}