package chat.rocket.android.authentication.signup.ui

import DrawableHelper
import android.os.Build
import android.os.Bundle
import android.support.v4.app.Fragment
import android.text.style.ClickableSpan
import android.view.*
import android.widget.Toast
import chat.rocket.android.R
import chat.rocket.android.authentication.signup.presentation.SignupPresenter
import chat.rocket.android.authentication.signup.presentation.SignupView
import chat.rocket.android.helper.KeyboardHelper
import chat.rocket.android.helper.TextHelper
import chat.rocket.android.util.extensions.*
import dagger.android.support.AndroidSupportInjection
import kotlinx.android.synthetic.main.fragment_authentication_sign_up.*
import javax.inject.Inject

class SignupFragment : Fragment(), SignupView {
    @Inject lateinit var presenter: SignupPresenter

    private val layoutListener = ViewTreeObserver.OnGlobalLayoutListener {
        if (KeyboardHelper.isSoftKeyboardShown(constraint_layout.rootView)) {
            text_new_user_agreement.setVisible(false)
        } else {
            text_new_user_agreement.setVisible(true)
        }
    }

    companion object {
        fun newInstance() = SignupFragment()
    }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        AndroidSupportInjection.inject(this)
    }

    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? = inflater.inflate(R.layout.fragment_authentication_sign_up, container, false)

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)

        activity?.window?.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE)

        if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.M) {
            tintEditTextDrawableStart()
        }

        constraint_layout.viewTreeObserver.addOnGlobalLayoutListener(layoutListener)

        setUpNewUserAgreementListener()

        button_sign_up.setOnClickListener {
            presenter.signup(text_name.textContent, text_username.textContent, text_password.textContent, text_email.textContent)
        }
    }

    override fun onDestroyView() {
        super.onDestroyView()
        constraint_layout.viewTreeObserver.removeOnGlobalLayoutListener(layoutListener)
    }

    override fun alertBlankName() {
        vibrateSmartPhone()
        text_name.shake()
        text_name.requestFocus()
    }

    override fun alertBlankUsername() {
        vibrateSmartPhone()
        text_username.shake()
        text_username.requestFocus()
    }

    override fun alertEmptyPassword() {
        vibrateSmartPhone()
        text_password.shake()
        text_password.requestFocus()
    }

    override fun alertBlankEmail() {
        vibrateSmartPhone()
        text_email.shake()
        text_email.requestFocus()
    }

    override fun showLoading() {
        enableUserInput(false)
        view_loading.setVisible(true)
    }

    override fun hideLoading() {
        view_loading.setVisible(false)
        enableUserInput(true)
    }

    override fun showMessage(resId: Int) = showToast(resId)

    override fun showMessage(message: String) = showToast(message)

    override fun showGenericErrorMessage() {
        showMessage(getString(R.string.msg_generic_error))
    }

    override fun showNoInternetConnection() {
        Toast.makeText(activity, getString(R.string.msg_no_internet_connection), Toast.LENGTH_SHORT).show()
    }

    private fun tintEditTextDrawableStart() {
        activity?.apply {
            val personDrawable = DrawableHelper.getDrawableFromId(R.drawable.ic_person_black_24dp, this)
            val atDrawable = DrawableHelper.getDrawableFromId(R.drawable.ic_at_black_24dp, this)
            val lockDrawable = DrawableHelper.getDrawableFromId(R.drawable.ic_lock_black_24dp, this)
            val emailDrawable = DrawableHelper.getDrawableFromId(R.drawable.ic_email_black_24dp, this)

            val drawables = arrayOf(personDrawable, atDrawable, lockDrawable, emailDrawable)
            DrawableHelper.wrapDrawables(drawables)
            DrawableHelper.tintDrawables(drawables, this, R.color.colorDrawableTintGrey)
            DrawableHelper.compoundDrawables(arrayOf(text_name, text_username, text_password, text_email), drawables)
        }
    }

    private fun setUpNewUserAgreementListener() {
        val termsOfService = getString(R.string.action_terms_of_service)
        val privacyPolicy = getString(R.string.action_privacy_policy)
        val newUserAgreement = String.format(getString(R.string.msg_new_user_agreement), termsOfService, privacyPolicy)

        text_new_user_agreement.text = newUserAgreement

        val termsOfServiceListener = object : ClickableSpan() {
            override fun onClick(view: View) {
                presenter.termsOfService()
            }
        }

        val privacyPolicyListener = object : ClickableSpan() {
            override fun onClick(view: View) {
                presenter.privacyPolicy()
            }
        }

        TextHelper.addLink(text_new_user_agreement, arrayOf(termsOfService, privacyPolicy), arrayOf(termsOfServiceListener, privacyPolicyListener))
    }

    private fun enableUserInput(value: Boolean) {
        button_sign_up.isEnabled = value
        text_name.isEnabled = value
        text_username.isEnabled = value
        text_password.isEnabled = value
        text_email.isEnabled = value
    }
}
