// SPDX-FileCopyrightText: 2021 Nheko Contributors
//
// SPDX-License-Identifier: GPL-3.0-or-later

import ".."
import "../ui"
import QtQuick 2.12
import QtQuick.Controls 2.12
import QtQuick.Layouts 1.12
import QtQuick.Window 2.13
import im.nheko 1.0

ApplicationWindow {
    id: roomMembersRoot

    property MemberList members
    property Room room

    title: qsTr("Members of %1").arg(members.roomName)
    height: 650
    width: 420
    minimumHeight: 420
    palette: Nheko.colors
    color: Nheko.colors.window
    flags: Qt.Dialog | Qt.WindowCloseButtonHint | Qt.WindowTitleHint
    Component.onCompleted: Nheko.reparent(roomMembersRoot)

    Shortcut {
        sequence: StandardKey.Cancel
        onActivated: roomMembersRoot.close()
    }

    ColumnLayout {
        anchors.fill: parent
        anchors.margins: Nheko.paddingMedium
        spacing: Nheko.paddingMedium

        Avatar {
            id: roomAvatar

            width: 130
            height: width
            roomid: members.roomId
            displayName: members.roomName
            Layout.alignment: Qt.AlignHCenter
            url: members.avatarUrl.replace("mxc://", "image://MxcImage/")
            onClicked: TimelineManager.openRoomSettings(members.roomId)
        }

        ElidedLabel {
            font.pixelSize: fontMetrics.font.pixelSize * 2
            fullText: qsTr("%n people in %1", "Summary above list of members", members.memberCount).arg(members.roomName)
            Layout.alignment: Qt.AlignHCenter
            elideWidth: parent.width - Nheko.paddingMedium
        }

        ImageButton {
            Layout.alignment: Qt.AlignHCenter
            image: ":/icons/icons/ui/add-square-button.svg"
            hoverEnabled: true
            ToolTip.visible: hovered
            ToolTip.text: qsTr("Invite more people")
            onClicked: TimelineManager.openInviteUsers(members.roomId)
        }

        ScrollView {
            palette: Nheko.colors
            padding: Nheko.paddingMedium
            ScrollBar.horizontal.visible: false
            Layout.fillHeight: true
            Layout.minimumHeight: 200
            Layout.fillWidth: true

            ListView {
                id: memberList

                clip: true
                spacing: Nheko.paddingMedium
                boundsBehavior: Flickable.StopAtBounds
                model: members

                ScrollHelper {
                    flickable: parent
                    anchors.fill: parent
                    enabled: !Settings.mobileMode
                }

                delegate: ItemDelegate {
                    id: del

                    onClicked: Rooms.currentRoom.openUserProfile(model.mxid)
                    padding: Nheko.paddingMedium
                    width: ListView.view.width
                    height: memberLayout.implicitHeight
                    hoverEnabled: true
                    background: Rectangle {
                        color: del.hovered ? Nheko.colors.dark : roomMembersRoot.color
                    }

                    RowLayout {
                        id: memberLayout

                        spacing: Nheko.paddingMedium

                        Avatar {
                            id: avatar

                            width: Nheko.avatarSize
                            height: Nheko.avatarSize
                            userid: model.mxid
                            url: model.avatarUrl.replace("mxc://", "image://MxcImage/")
                            displayName: model.displayName
                            enabled: false
                        }

                        ColumnLayout {
                            spacing: Nheko.paddingSmall

                            ElidedLabel {
                                fullText: model.displayName
                                color: TimelineManager.userColor(model ? model.mxid : "", Nheko.colors.window)
                                font.pixelSize: fontMetrics.font.pixelSize
                                elideWidth: del.width - Nheko.paddingMedium * 2 - avatar.width - encryptInd.width
                            }

                            ElidedLabel {
                                fullText: model.mxid
                                color: Nheko.colors.buttonText
                                font.pixelSize: Math.ceil(fontMetrics.font.pixelSize * 0.9)
                                elideWidth: del.width - Nheko.paddingMedium * 2 - avatar.width - encryptInd.width
                            }

                            Item {
                                Layout.fillHeight: true
                                Layout.fillWidth: true
                            }

                        }

                        EncryptionIndicator {
                            id: encryptInd

                            Layout.alignment: Qt.AlignRight
                            visible: room.isEncrypted
                            encrypted: room.isEncrypted
                            trust: encrypted ? model.trustlevel : Crypto.Unverified
                            ToolTip.text: {
                                if (!encrypted)
                                    return qsTr("This room is not encrypted!");

                                switch (trust) {
                                case Crypto.Verified:
                                    return qsTr("This user is verified.");
                                case Crypto.TOFU:
                                    return qsTr("This user isn't verified, but is still using the same master key from the first time you met.");
                                default:
                                    return qsTr("This user has unverified devices!");
                                }
                            }
                        }

                    }

                    CursorShape {
                        anchors.fill: parent
                        cursorShape: Qt.PointingHandCursor
                    }

                }

                footer: Item {
                    width: parent.width
                    visible: (members.numUsersLoaded < members.memberCount) && members.loadingMoreMembers
                    // use the default height if it's visible, otherwise no height at all
                    height: membersLoadingSpinner.height
                    anchors.margins: Nheko.paddingMedium

                    Spinner {
                        id: membersLoadingSpinner

                        anchors.centerIn: parent
                        height: visible ? 35 : 0
                    }

                }

            }

        }

    }

    footer: DialogButtonBox {
        standardButtons: DialogButtonBox.Ok
        onAccepted: roomMembersRoot.close()
    }

}