/**
 * SPDX-FileCopyrightText: 2018-2019 Black Hat <bhat@encom.eu.org>
 * SPDX-FileCopyrightText: 2020 Carl Schwan <carl@carlschwan.eu>
 *
 * SPDX-License-Identifier: GPL-3.0-only
 */
import QtQuick 2.12
import QtQuick.Controls 2.12
import QtQuick.Controls.Material 2.12
import QtQuick.Layouts 1.12

import org.kde.kirigami 2.13 as Kirigami
import org.kde.kitemmodels 1.0

import NeoChat.Component 1.0
import NeoChat.Dialog 1.0
import NeoChat.Setting 1.0

import org.kde.neochat 1.0

Kirigami.OverlayDrawer {
    id: roomDrawer
    property var room

    enabled: true

    edge: Qt.application.layoutDirection == Qt.RightToLeft ? Qt.LeftEdge : Qt.RightEdge

    topPadding: 0
    leftPadding: 0
    rightPadding: 0
    Kirigami.Theme.colorSet: Kirigami.Theme.View
    contentItem: ColumnLayout {
        id: columnLayout
        spacing: 0
        Kirigami.AbstractApplicationHeader {
            Layout.fillWidth: true
            topPadding: Kirigami.Units.smallSpacing / 2;
            bottomPadding: Kirigami.Units.smallSpacing / 2;
            rightPadding: Kirigami.Units.smallSpacing
            leftPadding: Kirigami.Units.smallSpacing

            RowLayout {
                anchors.fill: parent
                spacing: 0

                ToolButton {
                    icon.name: "list-add-user"
                    text: i18n("Invite")
                    onClicked: {
                        applicationWindow().pageStack.layers.push("qrc:/imports/NeoChat/Page/InviteUserPage.qml", {"room": room})
                        roomDrawer.close();
                    }
                }
                Item {
                    // HACK otherwise rating item is not right aligned
                    Layout.fillWidth: true
                }

                ToolButton {
                    Layout.alignment: Qt.AlignRight
                    icon.name: room.isFavourite ? "rating" : "rating-unrated"
                    checkable: true
                    checked: room.isFavourite
                    onClicked: room.isFavourite ? room.removeTag("m.favourite") : room.addTag("m.favourite", 1.0)
                    ToolTip {
                        text: room.isFavourite ? i18n("Remove room from favorites") : i18n("Make room favorite")
                    }
                }
                ToolButton {
                    Layout.alignment: Qt.AlignRight
                    icon.name: 'settings-configure'
                    onClicked: {
                        roomSettingDialog.createObject(ApplicationWindow.overlay, {"room": room}).open()
                        if (!wideScreen) {
                            roomDrawer.close();
                        }
                    }

                    ToolTip {
                        text: i18n("Room settings")
                    }
                }
            }
        }

        Control {
            Layout.fillWidth: true
            bottomPadding: Kirigami.Units.largeSpacing
            contentItem: ColumnLayout {
                id: infoLayout
                Layout.fillWidth: true
                Kirigami.Heading {
                    text: i18n("Room information")
                    level: 3
                }
                RowLayout {
                    Layout.fillWidth: true
                    Layout.margins: Kirigami.Units.largeSpacing

                    spacing: Kirigami.Units.largeSpacing

                    Kirigami.Avatar {
                        Layout.preferredWidth: Kirigami.Units.gridUnit * 3.5
                        Layout.preferredHeight: Kirigami.Units.gridUnit * 3.5

                        name: room ? room.name : i18n("No name")
                        source: room ? ("image://mxc/" +  room.avatarMediaId) : ""
                    }

                    ColumnLayout {
                        Layout.fillWidth: true
                        Layout.alignment: Qt.AlignVCenter
                        spacing: 0

                        Kirigami.Heading {
                            Layout.maximumWidth: Kirigami.Units.gridUnit * 9
                            Layout.fillWidth: true
                            level: 1
                            font.bold: true
                            wrapMode: Label.Wrap
                            text: room ? room.displayName : i18n("No name")
                        }
                        Label {
                            Layout.fillWidth: true
                            text: room && room.canonicalAlias ? room.canonicalAlias : i18n("No Canonical Alias")
                        }
                    }
                }

                TextEdit {
                    Layout.maximumWidth: Kirigami.Units.gridUnit * 13
                    Layout.preferredWidth: Kirigami.Units.gridUnit * 13
                    Layout.fillWidth: true
                    text: room && room.topic ? room.topic.replace(replaceLinks, "<a href=\"$1\">$1</a>") : i18n("No Topic")
                    readonly property var replaceLinks: /\(https:\/\/[^ ]*\)/
                    textFormat: TextEdit.MarkdownText
                    wrapMode: Text.WordWrap
                    selectByMouse: true
                    color: Kirigami.Theme.textColor
                    onLinkActivated: Qt.openUrlExternally(link)
                    readOnly: true
                    MouseArea {
                        anchors.fill: parent
                        acceptedButtons: Qt.NoButton
                        cursorShape: parent.hoveredLink ? Qt.PointingHandCursor : Qt.IBeamCursor
                    }
                }
            }
        }

        Kirigami.ListSectionHeader {
            label: i18n("Members")
            Label {
                Layout.alignment: Qt.AlignRight
                text: room ? i18np("%1 Member", "%1 Members", room.totalMemberCount) : i18n("No Member Count")
            }
        }

        ScrollView {
            Layout.fillWidth: true
            Layout.fillHeight: true

            ListView {
                id: userListView
                clip: true
                headerPositioning: ListView.OverlayHeader
                boundsBehavior: Flickable.DragOverBounds

                header: Pane {
                    padding: Kirigami.Units.smallSpacing
                    implicitWidth: parent.width
                    z: 2
                    contentItem: Kirigami.SearchField {
                        id: userListSearchField
                        onTextChanged: sortedMessageEventModel.filterString = text;
                    }
                }

                model: KSortFilterProxyModel {
                    id: sortedMessageEventModel

                    sourceModel: UserListModel {
                        room: roomDrawer.room
                    }

                    sortRole: "perm"
                    filterRole: "name"
                }

                delegate: Kirigami.AbstractListItem {
                    width: userListView.width
                    implicitHeight: Kirigami.Units.gridUnit * 2
                    z: 1

                    contentItem: RowLayout {
                        Kirigami.Avatar {
                            Layout.preferredWidth: height
                            Layout.fillHeight: true

                            source: avatar ? ("image://mxc/" + avatar) : ""
                            name: name
                        }

                        Label {
                            Layout.fillWidth: true

                            text: name
                            textFormat: Text.PlainText
                            elide: Text.ElideRight
                            wrapMode: Text.NoWrap
                        }

                        Label {
                            visible: perm != UserType.Member

                            text: {
                                if (perm == UserType.Owner) {
                                    return i18n("Owner")
                                }
                                if (perm == UserType.Admin) {
                                    return i18n("Admin")
                                }
                                if (perm == UserType.Moderator) {
                                    return i18n("Mod")
                                }
                                if (perm == UserType.Muted) {
                                    return i18n("Muted")
                                }
                                return ""
                            }
                            color: Kirigami.Theme.disabledTextColor
                            font.pixelSize: 12
                            textFormat: Text.PlainText
                            wrapMode: Text.NoWrap
                        }
                    }

                    action: Kirigami.Action {
                        onTriggered: userDetailDialog.createObject(ApplicationWindow.overlay, {"room": room, "user": user}).open()
                    }
                }
            }
        }
    }

    onRoomChanged: {
        if (room == null) {
            close()
        }
    }

    Component {
        id: roomSettingDialog

        RoomSettingsDialog {}
    }

    Component {
        id: userDetailDialog

        UserDetailDialog {}
    }
}