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

import ".."
import "../ui"
import Qt.labs.platform 1.1 as Platform
import QtQuick 2.15
import QtQuick.Controls 2.3
import QtQuick.Layouts 1.2
import QtQuick.Window 2.13
import im.nheko 1.0

ApplicationWindow {
    id: roomSettingsDialog

    property var roomSettings

    minimumWidth: 340
    minimumHeight: 450
    width: 450
    height: 680
    color: palette.window
    modality: Qt.NonModal
    flags: Qt.Dialog | Qt.WindowCloseButtonHint | Qt.WindowTitleHint
    title: qsTr("Room Settings")

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

    Flickable {
        id: flickable
        boundsBehavior: Flickable.StopAtBounds
        anchors.fill: parent
        clip: true
        flickableDirection: Flickable.VerticalFlick
        contentWidth: roomSettingsDialog.width
        contentHeight: contentLayout1.height
        ColumnLayout {
            id: contentLayout1
            width: parent.width
            spacing: Nheko.paddingMedium

            Avatar {
                id: displayAvatar

                Layout.topMargin: Nheko.paddingMedium
                url: roomSettings.roomAvatarUrl.replace("mxc://", "image://MxcImage/")
                roomid: roomSettings.roomId
                displayName: roomSettings.roomName
                height: 130
                width: 130
                Layout.alignment: Qt.AlignHCenter
                onClicked: TimelineManager.openImageOverlay(null, roomSettings.roomAvatarUrl, "", 0, 0)

                ImageButton {
                    hoverEnabled: true
                    ToolTip.visible: hovered
                    ToolTip.text: qsTr("Change room avatar.")
                    anchors.left: displayAvatar.left
                    anchors.top: displayAvatar.top
                    anchors.leftMargin: Nheko.paddingMedium
                    anchors.topMargin: Nheko.paddingMedium
                    visible: roomSettings.canChangeAvatar
                    image: ":/icons/icons/ui/edit.svg"
                    onClicked: {
                        roomSettings.updateAvatar();
                    }

                }
            }

            Spinner {
                Layout.alignment: Qt.AlignHCenter
                visible: roomSettings.isLoading
                foreground: palette.mid
                running: roomSettings.isLoading
            }

            Text {
                id: errorText

                color: "red"
                visible: opacity > 0
                opacity: 0
                Layout.alignment: Qt.AlignHCenter
                wrapMode: Text.Wrap // somehow still doesn't wrap
                Layout.fillWidth: true
            }

            SequentialAnimation {
                id: hideErrorAnimation

                running: false

                PauseAnimation {
                    duration: 4000
                }

                NumberAnimation {
                    target: errorText
                    property: 'opacity'
                    to: 0
                    duration: 1000
                }

            }

            Connections {
                target: roomSettings
                function onDisplayError(errorMessage) {
                    errorText.text = errorMessage;
                    errorText.opacity = 1;
                    hideErrorAnimation.restart();
                }
            }

            TextEdit {
                id: roomName

                property bool isNameEditingAllowed: false

                readOnly: !isNameEditingAllowed
                textFormat: isNameEditingAllowed ? TextEdit.PlainText : TextEdit.RichText
                text: isNameEditingAllowed ? roomSettings.plainRoomName : roomSettings.roomName
                font.pixelSize: fontMetrics.font.pixelSize * 2
                color: palette.text

                Layout.alignment: Qt.AlignHCenter
                Layout.maximumWidth: parent.width - (Nheko.paddingSmall * 2) - nameChangeButton.anchors.leftMargin - (nameChangeButton.width * 2)
                horizontalAlignment: TextEdit.AlignHCenter
                wrapMode: TextEdit.Wrap
                selectByMouse: true

                Keys.onShortcutOverride: event.key === Qt.Key_Enter
                Keys.onPressed: {
                    if (event.matches(StandardKey.InsertLineSeparator) || event.matches(StandardKey.InsertParagraphSeparator)) {
                        roomSettings.changeName(roomName.text);
                        roomName.isNameEditingAllowed = false;
                        event.accepted = true;
                    }
                }

                ImageButton {
                    id: nameChangeButton
                    visible: roomSettings.canChangeName
                    anchors.leftMargin: Nheko.paddingSmall
                    anchors.left: roomName.right
                    anchors.verticalCenter: roomName.verticalCenter
                    hoverEnabled: true
                    ToolTip.visible: hovered
                    ToolTip.text: qsTr("Change name of this room")
                    ToolTip.delay: Nheko.tooltipDelay
                    image: roomName.isNameEditingAllowed ? ":/icons/icons/ui/checkmark.svg" : ":/icons/icons/ui/edit.svg"
                    onClicked: {
                        if (roomName.isNameEditingAllowed) {
                            roomSettings.changeName(roomName.text);
                            roomName.isNameEditingAllowed = false;
                        } else {
                            roomName.isNameEditingAllowed = true;
                            roomName.focus = true;
                            roomName.selectAll();
                        }
                    }
                }

            }

            RowLayout {
                spacing: Nheko.paddingMedium
                Layout.alignment: Qt.AlignHCenter

                Label {
                    text: qsTr("%n member(s)", "", roomSettings.memberCount)
                    color: palette.text
                }

                ImageButton {
                    image: ":/icons/icons/ui/people.svg"
                    hoverEnabled: true
                    ToolTip.visible: hovered
                    ToolTip.text: qsTr("View members of %1").arg(roomSettings.roomName)
                    onClicked: TimelineManager.openRoomMembers(Rooms.getRoomById(roomSettings.roomId))
                }

            }

            TextArea {
                id: roomTopic
                property bool cut: implicitHeight > 100
                property bool showMore: false
                clip: true
                Layout.maximumHeight: showMore? Number.POSITIVE_INFINITY : 100
                Layout.preferredHeight: implicitHeight
                Layout.alignment: Qt.AlignHCenter
                Layout.fillWidth: true
                Layout.leftMargin: Nheko.paddingLarge
                Layout.rightMargin: Nheko.paddingLarge

                property bool isTopicEditingAllowed: false

                readOnly: !isTopicEditingAllowed
                textFormat: isTopicEditingAllowed ? TextEdit.PlainText : TextEdit.RichText
                text: isTopicEditingAllowed
                        ? roomSettings.plainRoomTopic
                        : (roomSettings.plainRoomTopic === "" ? ("<i>" + qsTr("No topic set") + "</i>") : roomSettings.roomTopic)
                wrapMode: TextEdit.WordWrap
                background: null
                selectByMouse: !Settings.mobileMode
                color: palette.text
                horizontalAlignment: TextEdit.AlignHCenter
                onLinkActivated: Nheko.openLink(link)

                NhekoCursorShape {
                    anchors.fill: parent
                    cursorShape: parent.hoveredLink ? Qt.PointingHandCursor : Qt.ArrowCursor
                }

            }

            ImageButton {
                id: topicChangeButton
                Layout.alignment: Qt.AlignHCenter
                visible: roomSettings.canChangeTopic
                hoverEnabled: true
                ToolTip.visible: hovered
                ToolTip.text: qsTr("Change topic of this room")
                ToolTip.delay: Nheko.tooltipDelay
                image: roomTopic.isTopicEditingAllowed ? ":/icons/icons/ui/checkmark.svg" : ":/icons/icons/ui/edit.svg"
                onClicked: {
                    if (roomTopic.isTopicEditingAllowed) {
                        roomSettings.changeTopic(roomTopic.text);
                        roomTopic.isTopicEditingAllowed = false;
                    } else {
                        roomTopic.isTopicEditingAllowed = true;
                        roomTopic.showMore = true;
                        roomTopic.focus = true;
                        //roomTopic.selectAll();
                    }
                }
            }

            Item {
                Layout.alignment: Qt.AlignHCenter
                id: showMorePlaceholder
                Layout.preferredHeight: showMoreButton.height
                Layout.preferredWidth: showMoreButton.width
                visible: roomTopic.cut
            }

            GridLayout {
                columns: 2
                rowSpacing: Nheko.paddingMedium
                Layout.margins: Nheko.paddingMedium
                Layout.fillWidth: true

                Label {
                    text: qsTr("SETTINGS")
                    font.bold: true
                    color: palette.text
                }

                Item {
                    Layout.fillWidth: true
                }

                Label {
                    text: qsTr("Notifications")
                    Layout.fillWidth: true
                    color: palette.text
                }

                ComboBox {
                    model: [qsTr("Muted"), qsTr("Mentions only"), qsTr("All messages")]
                    currentIndex: roomSettings.notifications
                    onActivated: {
                        roomSettings.changeNotifications(index);
                    }
                    Layout.fillWidth: true
                    WheelHandler{} // suppress scrolling changing values
                }

                Label {
                    text: qsTr("Anyone can join")
                    Layout.fillWidth: true
                    color: palette.text
                }

                ToggleButton {
                    id: publicRoomButton

                    enabled: roomSettings.canChangeJoinRules
                    checked: !roomSettings.privateAccess
                    Layout.alignment: Qt.AlignRight
                }

                Label {
                    text: qsTr("Allow knocking")
                    Layout.fillWidth: true
                    color: palette.text
                    visible: knockingButton.visible
                }

                ToggleButton {
                    id: knockingButton

                    visible: !publicRoomButton.checked
                    enabled: roomSettings.canChangeJoinRules && roomSettings.supportsKnocking
                    checked: roomSettings.knockingEnabled
                    onCheckedChanged: {
                        if (checked && !roomSettings.supportsKnockRestricted) restrictedButton.checked = false;
                    }
                    Layout.alignment: Qt.AlignRight
                }

                Label {
                    text: qsTr("Allow joining via other rooms")
                    Layout.fillWidth: true
                    color: palette.text
                    visible: restrictedButton.visible
                }

                ToggleButton {
                    id: restrictedButton

                    visible: !publicRoomButton.checked
                    enabled: roomSettings.canChangeJoinRules && roomSettings.supportsRestricted
                    checked: roomSettings.restrictedEnabled
                    onCheckedChanged: {
                        if (checked && !roomSettings.supportsKnockRestricted) knockingButton.checked = false;
                    }
                    Layout.alignment: Qt.AlignRight
                }

                Label {
                    text: qsTr("Rooms to join via")
                    Layout.fillWidth: true
                    color: palette.text
                    visible: allowedRoomsButton.visible
                }

                Button {
                    id: allowedRoomsButton

                    visible: restrictedButton.checked && restrictedButton.visible
                    enabled: roomSettings.canChangeJoinRules && roomSettings.supportsRestricted

                    text: qsTr("Change")
                    ToolTip.text: qsTr("Change the list of rooms users can join this room via. Usually this is the official community of this room.")
                    onClicked: timelineRoot.showAllowedRoomsEditor(roomSettings)
                    Layout.alignment: Qt.AlignRight
                }

                Label {
                    text: qsTr("Allow guests to join")
                    Layout.fillWidth: true
                    color: palette.text
                }

                ToggleButton {
                    id: guestAccessButton

                    enabled: roomSettings.canChangeJoinRules
                    checked: roomSettings.guestAccess
                    Layout.alignment: Qt.AlignRight
                }

                Button {
                    visible: publicRoomButton.checked == roomSettings.privateAccess || knockingButton.checked != roomSettings.knockingEnabled || restrictedButton.checked != roomSettings.restrictedEnabled || guestAccessButton.checked != roomSettings.guestAccess || roomSettings.allowedRoomsModified
                    enabled: roomSettings.canChangeJoinRules

                    text: qsTr("Apply access rules")
                    onClicked: roomSettings.changeAccessRules(!publicRoomButton.checked, guestAccessButton.checked, knockingButton.checked, restrictedButton.checked)
                    Layout.columnSpan: 2
                    Layout.fillWidth: true
                }

                Label {
                    text: qsTr("History visibility")
                    Layout.fillWidth: true
                    color: palette.text
                }

                ComboBox {
                    id: visComboBox
                    model: [qsTr("Readable to anyone without joining the room"), qsTr("Past messages visible to all current members"), qsTr("Only visible to members who were invited or joined when the message was sent"), qsTr("Only visible to members who were joined when the message was sent")]
                    currentIndex: roomSettings.historyVisibility
                    onActivated: {
                        roomSettings.changeHistoryVisibility(index);
                    }
                    Layout.fillWidth: true
                    WheelHandler{} // suppress scrolling changing values
                    enabled: roomSettings.canChangeHistoryVisibility

                    delegate: ItemDelegate {
                        text: modelData
                        width: implicitWidth
                        highlighted: visComboBox.highlightedIndex === index
                        ToolTip.text: modelData
                        ToolTip.visible: hovered
                        ToolTip.delay: Nheko.tooltipDelay
                    }

                    ToolTip.text: displayText
                    ToolTip.visible: hovered
                    ToolTip.delay: Nheko.tooltipDelay
                }

                Label {
                    text: qsTr("Encryption")
                    color: palette.text
                }

                ToggleButton {
                    id: encryptionToggle

                    checked: roomSettings.isEncryptionEnabled
                    onCheckedChanged: {
                        if (roomSettings.isEncryptionEnabled) {
                            checked = true;
                            return ;
                        }
                        if (checked === true)
                            confirmEncryptionDialog.open();
                    }
                    Layout.alignment: Qt.AlignRight
                }

                Platform.MessageDialog {
                    id: confirmEncryptionDialog

                    title: qsTr("End-to-End Encryption")
                    text: qsTr("Encryption is currently experimental and things might break unexpectedly. <br>
                                Please take note that it can't be disabled afterwards.")
                    modality: Qt.NonModal
                    onAccepted: {
                        if (roomSettings.isEncryptionEnabled)
                            return ;

                        roomSettings.enableEncryption();
                    }
                    onRejected: {
                        encryptionToggle.checked = false;
                    }
                    buttons: Platform.MessageDialog.Ok | Platform.MessageDialog.Cancel
                }

                Label {
                    text: qsTr("Permission")
                    color: palette.text
                }

                Button {
                    text: qsTr("Configure")
                    ToolTip.text: qsTr("View and change the permissions in this room")
                    onClicked: timelineRoot.showPLEditor(roomSettings)
                    Layout.alignment: Qt.AlignRight
                }

                Label {
                    text: qsTr("Aliases")
                    color: palette.text
                }

                Button {
                    text: qsTr("Configure")
                    ToolTip.text: qsTr("View and change the addresses/aliases of this room")
                    onClicked: timelineRoot.showAliasEditor(roomSettings)
                    Layout.alignment: Qt.AlignRight
                }

                Label {
                    text: qsTr("Sticker & Emote Settings")
                    color: palette.text
                }

                Button {
                    text: qsTr("Change")
                    ToolTip.text: qsTr("Change what packs are enabled, remove packs, or create new ones")
                    onClicked: TimelineManager.openImagePackSettings(roomSettings.roomId)
                    Layout.alignment: Qt.AlignRight
                }

                Label {
                    text: qsTr("Hidden events")
                    color: palette.text
                }

                HiddenEventsDialog {
                    id: hiddenEventsDialog
                    roomid: roomSettings.roomId
                    roomName: roomSettings.roomName
                }

                Button {
                    text: qsTr("Configure")
                    ToolTip.text: qsTr("Select events to hide in this room")
                    onClicked: hiddenEventsDialog.show()
                    Layout.alignment: Qt.AlignRight
                }

                Item {
                    // for adding extra space between sections
                    Layout.fillWidth: true
                }

                Item {
                    // for adding extra space between sections
                    Layout.fillWidth: true
                }

                Label {
                    text: qsTr("INFO")
                    font.bold: true
                    color: palette.text
                }

                Item {
                    Layout.fillWidth: true
                }

                Label {
                    text: qsTr("Internal ID")
                    color: palette.text
                }

                AbstractButton { // AbstractButton does not allow setting text color
                    Layout.alignment: Qt.AlignRight
                    Layout.fillWidth: true
                    Layout.preferredHeight: idLabel.height
                    Label { // TextEdit does not trigger onClicked
                        id: idLabel
                        text: roomSettings.roomId
                        font.pixelSize: Math.floor(fontMetrics.font.pixelSize * 0.8)
                        color: palette.text
                        width: parent.width
                        horizontalAlignment: Text.AlignRight
                        wrapMode: Text.WrapAnywhere
                        ToolTip.text: qsTr("Copied to clipboard")
                        ToolTip.visible: toolTipTimer.running
                    }
                    TextEdit{ // label does not allow selection
                        id: textEdit
                        visible: false
                        text: roomSettings.roomId
                    }
                    onClicked: {
                        textEdit.selectAll()
                        textEdit.copy()
                        toolTipTimer.start()
                    }
                    Timer {
                        id: toolTipTimer
                    }
                }

                Label {
                    text: qsTr("Room Version")
                    color: palette.text
                }

                Label {
                    text: roomSettings.roomVersion
                    font.pixelSize: fontMetrics.font.pixelSize
                    Layout.alignment: Qt.AlignRight
                    color: palette.text
                }

            }
        }
    }
    Button {
        id: showMoreButton
        anchors.horizontalCenter: flickable.horizontalCenter
        y: Math.min(showMorePlaceholder.y+contentLayout1.y-flickable.contentY,flickable.height-height)
        visible: roomTopic.cut
        text: roomTopic.showMore? qsTr("show less") : qsTr("show more")
        onClicked: {roomTopic.showMore = !roomTopic.showMore
            console.log(flickable.visibleArea)
        }
    }
    footer: DialogButtonBox {
        standardButtons: DialogButtonBox.Ok
        onAccepted: close()
    }
}