package com.cyb3rko.techniklogger.modals

import android.content.DialogInterface
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import com.cyb3rko.techniklogger.data.objects.Member
import com.cyb3rko.techniklogger.databinding.MemberDialogBinding
import com.google.android.material.bottomsheet.BottomSheetDialogFragment
import com.google.android.material.dialog.MaterialAlertDialogBuilder

internal class MemberBottomSheet(
    private val member: Member? = null,
    private val action: (member: Member?) -> Unit
): BottomSheetDialogFragment() {
    private lateinit var binding: MemberDialogBinding

    private var mode = -1
    private lateinit var mMember: Member

    override fun onCreateView(
        inflater: LayoutInflater,
        container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View {
        binding = MemberDialogBinding.inflate(layoutInflater)
        if (member == null) {
            mode = MODE_ADD
        } else {
            mMember = member.copy()
            binding.name.setText(mMember.name)
            binding.admin.isChecked = mMember.admin
            mode = MODE_EDIT
        }
        if (mode == MODE_ADD) {
            binding.title.text = "Techniker hinzufügen"
            binding.button.text = "Hinzufügen"
        } else {
            binding.title.text = "Techniker-Info"
            binding.button.text = "Entlassen"
        }
        binding.button.setOnClickListener {
            val newName = binding.name.text.toString()
            val newAdmin = binding.admin.isChecked

            if (mode == MODE_ADD) {
                Member().apply {
                    setAdmin(newAdmin)
                    setName(newName)
                    action(this)
                    dismiss()
                }
            } else {
                MaterialAlertDialogBuilder(requireContext())
                    .setTitle("Entlassung")
                    .setMessage("Soll '${mMember.name}' wirklich entlassen werden?")
                    .setPositiveButton("Ja") { _ , _ ->
                        mMember.apply {
                            retire()
                            action(this)
                            dismiss()
                        }
                    }
                    .setNegativeButton("Nein", null)
                    .show()
            }
        }

        return binding.root
    }

    override fun onDismiss(dialog: DialogInterface) {
        if (mode == MODE_EDIT && ::binding.isInitialized) {
            val newName = binding.name.text.toString()
            val newAdmin = binding.admin.isChecked
            val adminChanged = newAdmin != mMember.admin
            val nameChanged = newName != mMember.name
            if (adminChanged || nameChanged) {
                mMember.apply {
                    setAdmin(newAdmin)
                    setName(newName)
                    action(this)
                }
            }
        }
    }

    companion object {
        const val TAG = "Member Bottom Sheet"
        const val MODE_ADD = 0
        const val MODE_EDIT = 1
    }
}