/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

package mozilla.components.feature.prompts.dialog

import android.content.DialogInterface.BUTTON_POSITIVE
import android.widget.CheckBox
import android.widget.TextView
import androidx.appcompat.app.AlertDialog
import androidx.core.view.isVisible
import androidx.test.ext.junit.runners.AndroidJUnit4
import mozilla.components.feature.prompts.R.id
import mozilla.components.support.test.mock
import mozilla.components.support.test.ext.appCompatContext
import org.junit.Assert.assertEquals
import org.junit.Assert.assertFalse
import org.junit.Assert.assertTrue
import org.junit.Before
import org.junit.Test
import org.junit.runner.RunWith
import org.mockito.Mock
import org.mockito.Mockito.doReturn
import org.mockito.Mockito.spy
import org.mockito.Mockito.verify
import org.mockito.MockitoAnnotations

@RunWith(AndroidJUnit4::class)
class TextPromptDialogFragmentTest {

    @Mock private lateinit var mockFeature: Prompter

    @Before
    fun setup() {
        MockitoAnnotations.initMocks(this)
    }

    @Test
    fun `build dialog`() {

        val fragment = spy(
            TextPromptDialogFragment.newInstance("sessionId", "title", "label", "defaultValue", true)
        )

        doReturn(appCompatContext).`when`(fragment).requireContext()

        val dialog = fragment.onCreateDialog(null)

        dialog.show()

        val titleTextView = dialog.findViewById<TextView>(androidx.appcompat.R.id.alertTitle)
        val inputLabel = dialog.findViewById<TextView>(id.input_label)
        val inputValue = dialog.findViewById<TextView>(id.input_value)
        val checkBox = dialog.findViewById<CheckBox>(id.mozac_feature_prompts_no_more_dialogs_check_box)

        assertEquals(fragment.sessionId, "sessionId")
        assertEquals(fragment.title, "title")
        assertEquals(fragment.labelInput, "label")
        assertEquals(fragment.defaultInputValue, "defaultValue")
        assertEquals(fragment.hasShownManyDialogs, true)

        assertEquals(titleTextView.text, "title")
        assertEquals(fragment.title, "title")
        assertEquals(inputLabel.text, "label")
        assertEquals(inputValue.text.toString(), "defaultValue")
        assertTrue(checkBox.isVisible)

        checkBox.isChecked = true
        assertTrue(fragment.userSelectionNoMoreDialogs)

        inputValue.text = "NewValue"
        assertEquals(inputValue.text.toString(), "NewValue")
    }

    @Test
    fun `TextPrompt with hasShownManyDialogs equals false should not have a checkbox`() {

        val fragment = spy(
            TextPromptDialogFragment.newInstance("sessionId", "title", "label", "defaultValue", false)
        )

        doReturn(appCompatContext).`when`(fragment).requireContext()

        val dialog = fragment.onCreateDialog(null)

        dialog.show()

        val checkBox = dialog.findViewById<CheckBox>(id.mozac_feature_prompts_no_more_dialogs_check_box)

        assertFalse(checkBox.isVisible)
    }

    @Test
    fun `Clicking on positive button notifies the feature`() {

        val fragment = spy(
            TextPromptDialogFragment.newInstance("sessionId", "title", "label", "defaultValue", false)
        )

        fragment.feature = mockFeature

        doReturn(appCompatContext).`when`(fragment).requireContext()

        val dialog = fragment.onCreateDialog(null)
        dialog.show()

        val positiveButton = (dialog as AlertDialog).getButton(BUTTON_POSITIVE)
        positiveButton.performClick()

        verify(mockFeature).onConfirm("sessionId", false to "defaultValue")
    }

    @Test
    fun `After checking no more dialogs checkbox feature onNoMoreDialogsChecked must be called`() {

        val fragment = spy(
            TextPromptDialogFragment.newInstance("sessionId", "title", "label", "defaultValue", true)
        )

        fragment.feature = mockFeature

        doReturn(appCompatContext).`when`(fragment).requireContext()

        val dialog = fragment.onCreateDialog(null)
        dialog.show()

        val checkBox = dialog.findViewById<CheckBox>(id.mozac_feature_prompts_no_more_dialogs_check_box)

        checkBox.isChecked = true

        val positiveButton = (dialog as AlertDialog).getButton(BUTTON_POSITIVE)
        positiveButton.performClick()

        verify(mockFeature).onConfirm("sessionId", true to "defaultValue")
    }

    @Test
    fun `touching outside of the dialog must notify the feature onCancel`() {

        val fragment = spy(
            TextPromptDialogFragment.newInstance("sessionId", "title", "label", "defaultValue", true)
        )

        fragment.feature = mockFeature

        doReturn(appCompatContext).`when`(fragment).requireContext()

        fragment.onCancel(mock())

        verify(mockFeature).onCancel("sessionId")
    }
}
