iceraven-browser/app/src/androidTest/java/org/mozilla/fenix/ui/SettingsCustomizeTest.kt

package org.mozilla.fenix.ui

import android.content.res.Configuration
import okhttp3.mockwebserver.MockWebServer
import org.junit.After
import org.junit.Before
import org.junit.Rule
import org.junit.Test
import org.mozilla.fenix.helpers.AndroidAssetDispatcher
import org.mozilla.fenix.helpers.HomeActivityIntentTestRule
import org.mozilla.fenix.ui.robots.homeScreen

class SettingsCustomizeTest {
    private lateinit var mockWebServer: MockWebServer

    @get:Rule
    val activityIntentTestRule = HomeActivityIntentTestRule.withDefaultSettingsOverrides()

    @Before
    fun setUp() {
        mockWebServer = MockWebServer().apply {
            dispatcher = AndroidAssetDispatcher()
            start()
        }
    }

    @After
    fun tearDown() {
        mockWebServer.shutdown()
    }

    private fun getUiTheme(): Boolean {
        val mode =
            activityIntentTestRule.activity.resources?.configuration?.uiMode?.and(Configuration.UI_MODE_NIGHT_MASK)

        return when (mode) {
            Configuration.UI_MODE_NIGHT_YES -> true // dark theme is set
            Configuration.UI_MODE_NIGHT_NO -> false // dark theme is not set, using light theme
            else -> false // default option is light theme
        }
    }

    @Test
    fun changeThemeSetting() {
        // Goes through the settings and changes the default search engine, then verifies it changes.
        homeScreen {
        }.openThreeDotMenu {
        }.openSettings {
        }.openCustomizeSubMenu {
            verifyThemes()
            selectDarkMode()
            verifyDarkThemeApplied(getUiTheme())
            selectLightMode()
            verifyLightThemeApplied(getUiTheme())
        }
    }
}