avh-plan-android/app/src/main/java/com/denizd/substitutionplan/CardAdapter.kt

package com.denizd.substitutionplan

import android.content.ActivityNotFoundException
import android.net.Uri
import android.preference.PreferenceManager
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.ImageView
import android.widget.TextView
import android.widget.Toast
import androidx.browser.customtabs.CustomTabsIntent
import androidx.core.content.ContextCompat
import androidx.recyclerview.widget.RecyclerView
import com.google.android.material.card.MaterialCardView

class CardAdapter(private var mSubst: List<Subst>) : RecyclerView.Adapter<CardAdapter.CardViewHolder>() {

    private var colour = 0
    private var colorCheck = ""

    class CardViewHolder (view: View) : RecyclerView.ViewHolder(view) {
        var mImageView: ImageView = itemView.findViewById(R.id.iconView)
        var mGroup: TextView = itemView.findViewById(R.id.group)
        var mDate: TextView = itemView.findViewById(R.id.date)
        var mTime: TextView = itemView.findViewById(R.id.time)
        var mCourse: TextView = itemView.findViewById(R.id.course)
        var mRoom: TextView = itemView.findViewById(R.id.room)
        var mAdditional: TextView = itemView.findViewById(R.id.additional)
        var mCard = itemView.findViewById<MaterialCardView>(R.id.planCard)
    }

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): CardViewHolder {
        val v = LayoutInflater.from(parent.context).inflate(R.layout.course_card, parent, false)
        return CardViewHolder(v)
    }

    override fun onBindViewHolder(holder: CardViewHolder, position: Int) {
        val currentItem = mSubst[position]
        val prefs = PreferenceManager.getDefaultSharedPreferences(holder.mImageView.context)
        var psa = false

        holder.mImageView.setImageResource(currentItem.icon)
        holder.mGroup.text = currentItem.group
        holder.mTime.text = currentItem.time
        holder.mCourse.text = currentItem.course
        holder.mRoom.text = currentItem.room
        holder.mAdditional.text = currentItem.additional

        if (currentItem.date.isNotEmpty() && currentItem.date.substring(0, 3) == "psa") {
            psa = true
            holder.mDate.text = ""
            holder.mImageView.setImageResource(R.drawable.ic_idea)
            holder.mCard.setCardBackgroundColor(ContextCompat.getColor(holder.mImageView.context, R.color.colorAccent))
            if (currentItem.date.substring(3, 7) == "http") {
                holder.mCard.setOnClickListener {
                    try {
                        CustomTabsIntent.Builder().build().launchUrl(holder.mCard.context,
                                Uri.parse(currentItem.date.substring(3)))
                    } catch (e: ActivityNotFoundException) {
                        Toast.makeText(holder.mCard.context, holder.mCard.context.getString(R.string.chromeCompatibleNotFound), Toast.LENGTH_LONG).show()
                    }
                }
            }
        } else {
            holder.mDate.text = currentItem.date
        }

        if (!psa) {
            try {
                colorCheck = holder.mCourse.text.toString().toLowerCase().substring(0, 3)
                colour = when (colorCheck) {
                    "deu", "dep", "daz", "fda" -> prefs.getInt("bgGerman", 0)
                    "mat", "map" -> prefs.getInt("bgMaths", 0)
                    "eng", "enp", "ena" -> prefs.getInt("bgEnglish", 0)
                    "spo", "spp", "spth" -> prefs.getInt("bgPhysEd", 0)
                    "pol", "pop" -> prefs.getInt("bgPolitics", 0)
                    "dar", "dap" -> prefs.getInt("bgTheatre", 0)
                    "phy", "php" -> prefs.getInt("bgPhysics", 0)
                    "bio", "bip", "nw1", "nw2", "nw3", "nw4" -> prefs.getInt("bgBiology", 0)
                    "che", "chp" -> prefs.getInt("bgChemistry", 0)
                    "phi", "psp" -> prefs.getInt("bgPhilosophy", 0)
                    "laa", "laf", "lat" -> prefs.getInt("bgLatin", 0)
                    "spa", "spf" -> prefs.getInt("bgSpanish", 0)
                    "fra", "frf", "frz" -> prefs.getInt("bgFrench", 0)
                    "inf" -> prefs.getInt("bgCompsci", 0)
                    "ges" -> prefs.getInt("bgHistory", 0)
                    "rel" -> prefs.getInt("bgReligion", 0)
                    "geg" -> prefs.getInt("bgGeography", 0)
                    "kun" -> prefs.getInt("bgArts", 0)
                    "mus" -> prefs.getInt("bgMusic", 0)
                    "tue" -> prefs.getInt("bgTurkish", 0)
                    "chi" -> prefs.getInt("bgChinese", 0)
                    "gll" -> prefs.getInt("bgGLL", 0)
                    "wat" -> prefs.getInt("bgWAT", 0)
                    "för" -> prefs.getInt("bgForder", 0)
                    "met", "wpb" -> prefs.getInt("bgWP", 0)
                    else -> 0
                }
            } catch (e: StringIndexOutOfBoundsException) {
                try {
                    colorCheck = holder.mCourse.text.toString().toLowerCase().substring(0, 2)
                    colour = when (colorCheck) {
                        "nw" -> prefs.getInt("bgBiology", 0)
                        "wp" -> prefs.getInt("bgWP", 0)
                        else -> 0
                    }
                } catch (e2: StringIndexOutOfBoundsException) {
                    colour = 0
                }
            }
            if (colour != 0) {
                holder.mCard.setCardBackgroundColor(ContextCompat.getColor(holder.mCourse.context, colour))
            } else {
                holder.mCard.setCardBackgroundColor(ContextCompat.getColor(holder.mCourse.context, R.color.colorBackgroundLight))
            }
        }

        val textColor = if (psa) {
            R.color.colorBackground
        } else {
            when (colour) {
                R.color.bgPureWhite -> R.color.colorTextDark
                R.color.bgPureBlack -> R.color.colorTextLight
                else -> R.color.colorText
            }
        }
        holder.mImageView.setColorFilter(ContextCompat.getColor(holder.mImageView.context, textColor))
        holder.mGroup.setTextColor(ContextCompat.getColor(holder.mImageView.context, textColor))
        holder.mDate.setTextColor(ContextCompat.getColor(holder.mImageView.context, textColor))
        holder.mTime.setTextColor(ContextCompat.getColor(holder.mImageView.context, textColor))
        holder.mCourse.setTextColor(ContextCompat.getColor(holder.mImageView.context, textColor))
        holder.mRoom.setTextColor(ContextCompat.getColor(holder.mImageView.context, textColor))
        holder.mAdditional.setTextColor(ContextCompat.getColor(holder.mImageView.context, textColor))
    }

    override fun getItemCount(): Int = mSubst.size

    fun setSubst(subst: List<Subst>) {
        mSubst = subst
        notifyDataSetChanged()
    }

}