// SPDX-FileCopyrightText: 2019 Black Hat <bhat@encom.eu.org>
// SPDX-License-Identifier: GPL-3.0-only

import QtQuick 2.15
import QtQuick.Controls 2.15 as QQC2
import QtQuick.Layouts 1.15

import org.kde.kirigami 2.15 as Kirigami
import org.kde.kirigamiaddons.delegates 1.0 as Delegates
import org.kde.kirigamiaddons.labs.components 1.0 as KirigamiComponents

import org.kde.neochat 1.0

Kirigami.ScrollablePage {
    id: root

    property NeoChatRoom room

    title: i18n("Invite a User")

    actions {
        main: Kirigami.Action {
            icon.name: "dialog-close"
            text: i18nc("@action", "Cancel")
            onTriggered: applicationWindow().pageStack.layers.pop()
        }
    }
    header: RowLayout {
        Layout.fillWidth: true
        Layout.margins: Kirigami.Units.largeSpacing

        Kirigami.SearchField {
            id: identifierField
            property bool isUserID: text.match(/@(.+):(.+)/g)
            Layout.fillWidth: true

            placeholderText: i18n("Find a user...")
            onAccepted: userDictListModel.search()
        }

        QQC2.Button {
            visible: identifierField.isUserID

            text: i18n("Add")
            highlighted: true

            onClicked: {
                room.inviteToRoom(identifierField.text)
            }
        }
    }

    ListView {
        id: userDictListView

        clip: true

        model: UserDirectoryListModel {
            id: userDictListModel

            connection: root.room.connection
            keyword: identifierField.text
        }

        Kirigami.PlaceholderMessage {
            anchors.centerIn: parent

            visible: userDictListView.count < 1

            text: i18n("No users available")
        }

        delegate: Delegates.RoundedItemDelegate {
            id: delegate

            required property string userID
            required property string name
            required property string avatar

            property bool inRoom: room && room.containsUser(userID)

            text: name

            contentItem: RowLayout {
                KirigamiComponents.Avatar {
                    Layout.preferredWidth: Kirigami.Units.iconSizes.medium
                    Layout.preferredHeight: Kirigami.Units.iconSizes.medium
                    source: delegate.avatar ? ("image://mxc/" + delegate.avatar) : ""
                    name: delegate.name
                }

                Delegates.SubtitleContentItem {
                    itemDelegate: delegate
                    subtitle: delegate.userID
                }

                QQC2.ToolButton {
                    id: inviteButton
                    icon.name: "document-send"
                    text: i18n("Send invitation")
                    checkable: true
                    checked: inRoom
                    opacity: inRoom ? 0.5 : 1

                    onToggled: {
                        if (inRoom) {
                            checked = true
                        } else {
                            room.inviteToRoom(delegate.userID);
                            applicationWindow().pageStack.layers.pop();
                        }
                    }

                    QQC2.ToolTip.text: !inRoom ? text : i18n("User is either already a member or has been invited")
                    QQC2.ToolTip.visible: inviteButton.hovered
                    QQC2.ToolTip.delay: Kirigami.Units.toolTipDelay
                }
            }
        }
    }
}