package net.ioresponse.ldapcontacts

import android.graphics.Color
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.ImageButton
import android.widget.TextView
import androidx.recyclerview.widget.RecyclerView

class ContactAdapter(
    private var contacts: List<Contact>,
    private val onItemClick: (Contact) -> Unit,
    private val onCallClick: (Contact) -> Unit
) : RecyclerView.Adapter<ContactAdapter.ViewHolder>() {

    private val colors = listOf(
        Color.parseColor("#F44336"),
        Color.parseColor("#E91E63"),
        Color.parseColor("#9C27B0"),
        Color.parseColor("#673AB7"),
        Color.parseColor("#3F51B5"),
        Color.parseColor("#2196F3"),
        Color.parseColor("#03A9F4"),
        Color.parseColor("#00BCD4"),
        Color.parseColor("#009688"),
        Color.parseColor("#4CAF50"),
        Color.parseColor("#8BC34A"),
        Color.parseColor("#FF9800"),
        Color.parseColor("#FF5722")
    )

    class ViewHolder(view: View) : RecyclerView.ViewHolder(view) {
        val initialsText: TextView = view.findViewById(R.id.initialsText)
        val nameText: TextView = view.findViewById(R.id.nameText)
        val phoneText: TextView = view.findViewById(R.id.phoneText)
        val orgText: TextView = view.findViewById(R.id.orgText)
        val callButton: ImageButton = view.findViewById(R.id.callButton)
    }

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

    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
        val contact = contacts[position]

        holder.initialsText.text = contact.initials
        holder.initialsText.background.setTint(colors[position % colors.size])

        // 이름 + 직급 표시
        val nameWithTitle = buildString {
            append(contact.name)
            if (contact.title.isNotEmpty() && contact.title != "-") {
                append(" ")
                append(contact.title)
            }
        }
        holder.nameText.text = nameWithTitle
        holder.phoneText.text = contact.phone.ifEmpty { "-" }

        // 회사 - 부서 형식으로 표시
        val orgDept = buildString {
            if (contact.organization.isNotEmpty() && contact.organization != "-") {
                append(contact.organization)
            }
            if (contact.department.isNotEmpty() && contact.department != "-") {
                if (isNotEmpty()) append(" - ")
                append(contact.department)
            }
        }
        if (orgDept.isNotEmpty()) {
            holder.orgText.visibility = View.VISIBLE
            holder.orgText.text = orgDept
        } else {
            holder.orgText.visibility = View.GONE
        }

        holder.itemView.setOnClickListener { onItemClick(contact) }

        if (contact.phone.isNotEmpty()) {
            holder.callButton.visibility = View.VISIBLE
            holder.callButton.setOnClickListener { onCallClick(contact) }
        } else {
            holder.callButton.visibility = View.GONE
        }
    }

    override fun getItemCount() = contacts.size

    fun updateContacts(newContacts: List<Contact>) {
        contacts = newContacts
        notifyDataSetChanged()
    }
}