import QtQuick 2.14
import QtQuick.Controls 2.14
import QtQuick.Layouts 1.14

import Storybook 1.0
import Models 1.0

import utils 1.0
import shared.status 1.0
import shared.stores 1.0

import StatusQ.Core.Utils 0.1

import AppLayouts.Chat.stores 1.0 as ChatStores

SplitView {
    id: root

    Logs { id: logs }

    QtObject {
        id: globalUtilsMock

        property bool ready: false
        property var globalUtils: QtObject {
            function plainText(htmlText) {
                return htmlText.replace(/(?:<style[^]+?>[^]+?<\/style>|[\n]|<script[^]+?>[^]+?<\/script>|<(?:!|\/?[a-zA-Z]+).*?\/?>)/g,'')
            }
            function isCompressedPubKey(publicKey) {
                return false
            }
        }
        Component.onCompleted: {
            Utils.globalUtilsInst = globalUtilsMock.globalUtils
            Global.dragArea = null
            globalUtilsMock.ready = true
        }
    }

    QtObject {
        id: rootStoreMock

        property bool ready: false

        readonly property ListModel gifColumnA: ListModel {}

        readonly property var formationChars: (["*", "`", "~"])

        function getSelectedTextWithFormationChars(messageInputField) {
            let i = 1
            let text = ""
            while (true) {
                if (messageInputField.selectionStart - i < 0 && messageInputField.selectionEnd + i > messageInputField.length) {
                    break
                }

                text = messageInputField.getText(messageInputField.selectionStart - i, messageInputField.selectionEnd + i)

                if (!formationChars.includes(text.charAt(0)) ||
                        !formationChars.includes(text.charAt(text.length - 1))) {
                    break
                }
                i++
            }
            return text
        }

        Component.onCompleted: {
            RootStore.isWalletEnabled = true
            RootStore.gifUnfurlingEnabled = true
            RootStore.getSelectedTextWithFormationChars = rootStoreMock.getSelectedTextWithFormationChars
            RootStore.gifColumnA = rootStoreMock.gifColumnA
            rootStoreMock.ready = true
        }
    }

    UsersModel {
        id: fakeUsersModel
    }

    LinkPreviewModel {
        id: fakeLinksModel
    }

    SplitView {
        orientation: Qt.Vertical
        SplitView.fillWidth: true
        //dummy item to position chatInput at the bottom
        Item {
            SplitView.fillHeight: true
            SplitView.fillWidth: true
        }

        Loader {
            id: chatInputLoader
            active: rootStoreMock.ready && globalUtilsMock.ready
            sourceComponent: StatusChatInput {
                id: chatInput
                property var globalUtils: globalUtilsMock.globalUtils
                property string unformattedText: chatInput.textInput.getText(0, chatInput.textInput.length)

                readonly property ModelChangeTracker urlsModelChangeTracker: ModelChangeTracker {
                    model: fakeLinksModel
                }

                onUnformattedTextChanged: {
                    textEditConnection.enabled = false
                    d.loadLinkPreviews(unformattedText)
                    textEditConnection.enabled = true
                }

                Connections {
                    id: textEditConnection
                    target: chatInput.textInput
                    function onTextChanged() {
                        if(unformattedText !== chatInput.textInput.getText(0, chatInput.textInput.length))
                            unformattedText = chatInput.textInput.getText(0, chatInput.textInput.length)
                    }
                }

                enabled: enabledCheckBox.checked
                linkPreviewModel: fakeLinksModel
                urlsList: {
                    urlsModelChangeTracker.revision
                    ModelUtils.modelToFlatArray(fakeLinksModel, "url")
                }
                askToEnableLinkPreview: askToEnableLinkPreviewSwitch.checked
                onAskToEnableLinkPreviewChanged: {
                    if(askToEnableLinkPreview) {
                        fakeLinksModel.clear()
                        d.loadLinkPreviews(unformattedText)
                    }
                }
                usersStore: ChatStores.UsersStore {
                    readonly property var usersModel: fakeUsersModel
                }
                onSendMessage: {
                    logs.logEvent("StatusChatInput::sendMessage", ["MessageWithPk"], [chatInput.getTextWithPublicKeys()])
                    logs.logEvent("StatusChatInput::sendMessage", ["PlainText"], [globalUtilsMock.globalUtils.plainText(chatInput.getTextWithPublicKeys())])
                    logs.logEvent("StatusChatInput::sendMessage", ["RawText"], [chatInput.textInput.text])
                }
                onEnableLinkPreviewForThisMessage: {
                    linkPreviewSwitch.checked = true
                    askToEnableLinkPreviewSwitch.checked = false
                }
                onEnableLinkPreview: {
                    linkPreviewSwitch.checked = true
                    askToEnableLinkPreviewSwitch.checked = false
                }
                onDisableLinkPreview: {
                    linkPreviewSwitch.checked = false
                    askToEnableLinkPreviewSwitch.checked = false
                }
                onDismissLinkPreviewSettings: {
                    askToEnableLinkPreviewSwitch.checked = false
                    linkPreviewSwitch.checked = false
                }
                onDismissLinkPreview: (index) => {
                    fakeLinksModel.setProperty(index, "unfurled", false)
                    fakeLinksModel.setProperty(index, "immutable", true)
                }
            }
        }

        LogsAndControlsPanel {
            id: logsAndControlsPanel

            SplitView.minimumHeight: 100
            SplitView.preferredHeight: 200

            logsView.logText: logs.logText
        }

        QtObject {
            id: d
            property bool linkPreviewsEnabled: linkPreviewSwitch.checked && !askToEnableLinkPreviewSwitch.checked
            onLinkPreviewsEnabledChanged: {
                loadLinkPreviews(chatInputLoader.item ? chatInputLoader.item.unformattedText : "")
            }
            function loadLinkPreviews(text) {
                var words = text.split(/\s+/)

                fakeLinksModel.clear()
                words.forEach(function(word){
                    if(Utils.isURL(word)) {
                        const linkPreview = fakeLinksModel.getStandardLinkPreview()
                        linkPreview.url = encodeURI(word)
                        linkPreview.unfurled = Math.random() > 0.2
                        linkPreview.immutable = !d.linkPreviewsEnabled
                        linkPreview.empty = Math.random() > 0.7
                        fakeLinksModel.append(linkPreview)
                    }
                })
            }
        }
    }

    Pane {
        SplitView.minimumWidth: 300
        SplitView.preferredWidth: 300

        ColumnLayout {
            anchors.fill: parent
            CheckBox {
                id: enabledCheckBox
                text: "enabled"
                checked: true
            }

            TabBar {
                id: bar
                TabButton {
                    text: "Attachments"
                }
                TabButton {
                    text: "Users"
                }
            }

            StackLayout {
                currentIndex: bar.currentIndex
                ColumnLayout {
                    id: attachmentsTab
                    Layout.fillWidth: true
                    Layout.fillHeight: true
                    Label {
                        text: "Images"
                        Layout.fillWidth: true
                    }
                    ComboBox {
                        id: imageNb
                        editable: true
                        model: 20
                        validator: IntValidator {bottom: 0; top: 20;}
                        focus: true
                        onCurrentIndexChanged: {
                            if(!chatInputLoader.item)
                                return
                            const urls = []
                            for (let i = 0; i < imageNb.currentIndex ; i++) {
                                urls.push("https://picsum.photos/200/300?random=" + i)
                            }
                            console.log(urls.length)
                            chatInputLoader.item.fileUrlsAndSources = urls
                        }
                    }
                    Label {
                        text: "Links"
                        Layout.fillWidth: true
                    }

                    Switch {
                        id: linkPreviewSwitch
                        text: "Link Preview enabled"
                    }

                    Switch {
                        id: askToEnableLinkPreviewSwitch
                        text: "Ask to enable Link Preview"
                        checked: true
                    }

                    ComboBox {
                        id: linksNb
                        editable: true
                        model: 20
                        validator: IntValidator {bottom: 0; top: 20;}
                        onCurrentIndexChanged: {
                            if(!chatInputLoader.item)
                                return
                            let urls = ""
                            for (let i = 0; i < linksNb.currentIndex ; i++) {
                                urls += "https://www.youtube.com/watch?v=9bZkp7q19f0" + Math.floor(Math.random() * 100) + " "
                            }

                            chatInputLoader.item.textInput.text = urls
                        }
                    }
                }
                UsersModelEditor {
                    id: modelEditor
                    Layout.fillWidth: true
                    Layout.fillHeight: true
                    model: fakeUsersModel

                    onRemoveClicked: fakeUsersModel.remove(index, 1)
                    onRemoveAllClicked: fakeUsersModel.clear()
                    onAddClicked: fakeUsersModel.append(modelEditor.getNewUser(fakeUsersModel.count))
                }
            }
            Label {
                text: "Attachments"
                Layout.fillWidth: true
            }
        }
    }
}

// category: Components

// https://www.figma.com/file/Mr3rqxxgKJ2zMQ06UAKiWL/💬-Chat⎜Desktop?type=design&node-id=23155-66084&mode=design&t=VWBVK4DOUxr1BmTp-0