/* 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 org.mozilla.fenix.ui.robots

import androidx.compose.ui.test.ExperimentalTestApi
import androidx.compose.ui.test.filter
import androidx.compose.ui.test.hasAnyChild
import androidx.compose.ui.test.hasTestTag
import androidx.compose.ui.test.hasText
import androidx.compose.ui.test.junit4.ComposeTestRule
import androidx.compose.ui.test.longClick
import androidx.compose.ui.test.onAllNodesWithTag
import androidx.compose.ui.test.onFirst
import androidx.compose.ui.test.onNodeWithTag
import androidx.compose.ui.test.performClick
import androidx.compose.ui.test.performScrollTo
import androidx.compose.ui.test.performTouchInput
import androidx.test.uiautomator.UiSelector
import org.mozilla.fenix.helpers.HomeActivityComposeTestRule
import org.mozilla.fenix.helpers.MatcherHelper.itemContainingText
import org.mozilla.fenix.helpers.MatcherHelper.itemWithResId
import org.mozilla.fenix.helpers.MatcherHelper.itemWithResIdContainingText
import org.mozilla.fenix.helpers.TestAssetHelper.waitingTime
import org.mozilla.fenix.helpers.TestAssetHelper.waitingTimeShort
import org.mozilla.fenix.helpers.TestHelper.mDevice
import org.mozilla.fenix.helpers.TestHelper.packageName
import org.mozilla.fenix.home.topsites.TopSitesTestTag

/**
 * Implementation of Robot Pattern for the Compose Top Sites.
 */
class ComposeTopSitesRobot(private val composeTestRule: HomeActivityComposeTestRule) {

    fun verifyExistingTopSitesList() =
        composeTestRule.onNodeWithTag(TopSitesTestTag.topSites).assertExists()

    @OptIn(ExperimentalTestApi::class)
    fun verifyExistingTopSiteItem(vararg titles: String) {
        titles.forEach { title ->
            mDevice.findObject(UiSelector().textContains(title)).waitForExists(waitingTimeShort)
            composeTestRule.topSiteItem(title).assertExists()
        }
    }

    fun verifyNotExistingTopSiteItem(vararg titles: String) {
        titles.forEach { title ->
            itemContainingText(title).waitForExists(waitingTime)
            composeTestRule.topSiteItem(title).assertDoesNotExist()
        }
    }

    fun verifyTopSiteContextMenuItems() {
        verifyTopSiteContextMenuOpenInPrivateTabButton()
        verifyTopSiteContextMenuRemoveButton()
        verifyTopSiteContextMenuRenameButton()
    }

    fun verifyTopSiteContextMenuOpenInPrivateTabButton() {
        composeTestRule.contextMenuItemOpenInPrivateTab().assertExists()
    }

    fun verifyTopSiteContextMenuRenameButton() {
        composeTestRule.contextMenuItemRename().assertExists()
    }

    fun verifyTopSiteContextMenuRemoveButton() {
        composeTestRule.contextMenuItemRemove().assertExists()
    }

    class Transition(private val composeTestRule: HomeActivityComposeTestRule) {

        fun openTopSiteTabWithTitle(
            title: String,
            interact: BrowserRobot.() -> Unit,
        ): BrowserRobot.Transition {
            composeTestRule.topSiteItem(title).performScrollTo().performClick()

            BrowserRobot().interact()
            return BrowserRobot.Transition()
        }

        fun openTopSiteInPrivate(
            interact: BrowserRobot.() -> Unit,
        ): BrowserRobot.Transition {
            composeTestRule.contextMenuItemOpenInPrivateTab().performClick()
            composeTestRule.waitForIdle()

            BrowserRobot().interact()
            return BrowserRobot.Transition()
        }

        fun openContextMenuOnTopSitesWithTitle(
            title: String,
            interact: ComposeTopSitesRobot.() -> Unit,
        ): Transition {
            composeTestRule.topSiteItem(title).performScrollTo().performTouchInput {
                longClick()
            }

            ComposeTopSitesRobot(composeTestRule).interact()
            return Transition(composeTestRule)
        }

        fun renameTopSite(
            title: String,
            interact: ComposeTopSitesRobot.() -> Unit,
        ): Transition {
            composeTestRule.contextMenuItemRename().performClick()
            itemWithResId("$packageName:id/top_site_title")
                .also {
                    it.waitForExists(waitingTimeShort)
                    it.setText(title)
                }
            itemWithResIdContainingText("android:id/button1", "OK").click()

            ComposeTopSitesRobot(composeTestRule).interact()
            return Transition(composeTestRule)
        }

        @OptIn(ExperimentalTestApi::class)
        fun removeTopSite(
            interact: ComposeTopSitesRobot.() -> Unit,
        ): Transition {
            composeTestRule.contextMenuItemRemove().performClick()
            composeTestRule.waitUntilDoesNotExist(hasTestTag(TopSitesTestTag.remove), waitingTime)

            ComposeTopSitesRobot(composeTestRule).interact()
            return Transition(composeTestRule)
        }

        @OptIn(ExperimentalTestApi::class)
        fun deleteTopSiteFromHistory(
            interact: BrowserRobot.() -> Unit,
        ): BrowserRobot.Transition {
            composeTestRule.contextMenuItemRemove().performClick()
            composeTestRule.waitUntilDoesNotExist(hasTestTag(TopSitesTestTag.remove), waitingTime)

            BrowserRobot().interact()
            return BrowserRobot.Transition()
        }
    }
}

/**
 * Obtains the top site with the provided [title].
 */
private fun ComposeTestRule.topSiteItem(title: String) =
    onAllNodesWithTag(TopSitesTestTag.topSiteItemRoot).filter(hasAnyChild(hasText(title))).onFirst()

/**
 * Obtains the option to open in private tab the top site
 */
private fun ComposeTestRule.contextMenuItemOpenInPrivateTab() =
    onAllNodesWithTag(TopSitesTestTag.openInPrivateTab).onFirst()

/**
 * Obtains the option to rename the top site
 */
private fun ComposeTestRule.contextMenuItemRename() = onAllNodesWithTag(TopSitesTestTag.rename).onFirst()

/**
 * Obtains the option to remove the top site
 */
private fun ComposeTestRule.contextMenuItemRemove() = onAllNodesWithTag(TopSitesTestTag.remove).onFirst()