//
// SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
// SPDX-License-Identifier: GPL-3.0-or-later
//

import XCTest

final class UIRoomTest: XCTestCase {

    override func setUpWithError() throws {
        // In UI tests it is usually best to stop immediately when a failure occurs.
        continueAfterFailure = false
    }

    func testCreateConversation() {
        let app = launchAndLogin()
        let newConversationName = "Test conversation"

        self.createConversation(for: app, with: newConversationName)

        let chatNavBar = app.navigationBars["NextcloudTalk.ChatView"]

        // Wait for navigationBar
        XCTAssert(chatNavBar.waitForExistence(timeout: TestConstants.timeoutLong))

        // Wait for titleView
        let chatTitleView = chatNavBar.textViews[newConversationName]
        XCTAssert(chatTitleView.waitForExistence(timeout: TestConstants.timeoutShort))

        // Wait until we joined the room and the call buttons get active
        let voiceCallButton = chatNavBar.buttons["Voice call"]
        XCTAssert(voiceCallButton.waitForExistence(timeout: TestConstants.timeoutShort))
        waitForEnabled(object: voiceCallButton)
        waitForHittable(object: voiceCallButton)

        // Open conversation settings
        chatTitleView.tap()

        // Check if if the name of the conversation is shown
        XCTAssert(app.textFields[newConversationName].waitForExistence(timeout: TestConstants.timeoutLong))

        // Go back to conversation list
        app.navigationBars["Conversation settings"].buttons["Back"].tap()
        chatNavBar.buttons["Back"].tap()

        // Check if the conversation appears in the conversation list
        XCTAssert(app.tables.cells.staticTexts[newConversationName].waitForExistence(timeout: TestConstants.timeoutLong))
    }

    func testDeallocation() {
        let app = launchAndLogin()
        let newConversationName = "DeAllocTest"

        // Create a new test conversion
        self.createConversation(for: app, with: newConversationName)

        // Check if we have one chat view controller allocated
        let predicate = NSPredicate(format: "label CONTAINS[c] %@", "ChatViewController\":1")
        XCTAssert(app.staticTexts.containing(predicate).firstMatch.waitForExistence(timeout: TestConstants.timeoutShort))

        // Send a test message
        let testMessage = "TestMessage"
        let toolbar = app.toolbars["Toolbar"]
        let textView = toolbar.textViews["Write message, @ to mention someone …"]
        XCTAssert(textView.waitForExistence(timeout: TestConstants.timeoutShort))
        textView.tap()
        app.typeText(testMessage)
        let sendMessageButton = toolbar.buttons["Send message"]
        sendMessageButton.tap()

        // Wait for temporary message to be replaced
        XCTAssert(app.images["MessageSent"].waitForExistence(timeout: TestConstants.timeoutShort))

        // Open context menu
        let tables = app.tables
        XCTAssert(tables.staticTexts[TestConstants.username].waitForExistence(timeout: TestConstants.timeoutShort))
        let message = tables.staticTexts[TestConstants.username]
        message.press(forDuration: 2.0)

        // Add a reaction to close the context menu
        let reactionExists = app.staticTexts["👍"].waitForExistence(timeout: TestConstants.timeoutShort)

        if reactionExists {
            app.staticTexts["👍"].tap()
        } else {
            // In case we are testing against a nextcloud version that does not support reactions (<= NC 23)
            // we simply tap the "Reply" button from the context menu
            XCTAssert(app.buttons["Reply"].waitForExistence(timeout: TestConstants.timeoutShort))
            app.buttons["Reply"].tap()
        }

        // Start a call
        let chatNavBar = app.navigationBars["NextcloudTalk.ChatView"]
        let voiceCallButton = chatNavBar.buttons["Voice call"]
        XCTAssert(voiceCallButton.waitForExistence(timeout: TestConstants.timeoutShort))
        waitForEnabled(object: voiceCallButton)
        waitForHittable(object: voiceCallButton)

        voiceCallButton.tap()

        let hangupCallButton = app.buttons["Hang up"]
        XCTAssert(hangupCallButton.waitForExistence(timeout: TestConstants.timeoutShort))
        waitForEnabled(object: hangupCallButton)
        waitForHittable(object: hangupCallButton)
        hangupCallButton.tap()

        // Go back to the main view controller
        XCTAssert(voiceCallButton.waitForExistence(timeout: TestConstants.timeoutShort))
        chatNavBar.buttons["Back"].tap()

        // Check if all chat view controllers are deallocated
        XCTAssert(app.staticTexts["{}"].waitForExistence(timeout: TestConstants.timeoutShort))
    }

    func testChatViewControllerMentions() {
        let app = launchAndLogin()
        let newConversationName = "MentionTest 🇨🇨"

        // Create a new test conversion
        self.createConversation(for: app, with: newConversationName)

        // Select a mention
        let toolbar = app.toolbars["Toolbar"]
        let textView = toolbar.textViews["Write message, @ to mention someone …"]
        XCTAssert(textView.waitForExistence(timeout: TestConstants.timeoutShort))
        textView.tap()
        textView.typeText("@")
        textView.typeText("M")
        textView.typeText("e")

        let predicate = NSPredicate(format: "label CONTAINS[c] %@", newConversationName)
        let autoCompleteCell = app.tables.cells["AutoCompletionCellIdentifier"].staticTexts.containing(predicate).firstMatch
        XCTAssert(autoCompleteCell.waitForExistence(timeout: TestConstants.timeoutShort))

        autoCompleteCell.tap()

        // Check if the mention was correctly inserted in the textView
        XCTAssertEqual(textView.value as? String ?? "", "@\(newConversationName) ")

        // Remove the mention again
        textView.typeText(String(repeating: XCUIKeyboardKey.delete.rawValue, count: 2))

        // Check if the input field is now empty
        XCTAssertEqual(textView.value as? String ?? "", "")
    }

    func testLobbyView() {
        let app = launchAndLogin()

        let lobbyCell = app.tables.cells.staticTexts["LobbyTest"]
        XCTAssert(lobbyCell.waitForExistence(timeout: TestConstants.timeoutShort))

        lobbyCell.tap()

        // Seems we can't access the backgroundView of a UITableView from the UITests
        // let lobbyText = app.staticTexts["You are currently waiting in the lobby"]

        // Check that the table has no rows
        let tables = app.tables.firstMatch
        XCTAssert(tables.waitForExistence(timeout: TestConstants.timeoutShort))

        XCTAssertEqual(tables.tableRows.count, 0)

        // Check that there's no activity indicator
        XCTAssertEqual(app.activityIndicators.count, 0)

        let shareButton = app.buttons["Share a file from your Nextcloud"]
        XCTAssert(!shareButton.exists)

        // Check that there's no inputbar
        let toolbar = app.toolbars["Toolbar"]
        let textView = toolbar.textViews["Write message, @ to mention someone …"]
        XCTAssert(!textView.exists)
    }
}