import QtQuick 2.13
import QtQuick.Controls 2.13
import QtQuick.Layouts 1.13
import "../../../../imports"
import "../../../../shared"
import "./"

ModalPopup {
    id: popup
    property bool addMembers: false
    property int currMemberCount: 1
    property int memberCount: 1
    readonly property int maxMembers: 10
    property var pubKeys: []

    function resetSelectedMembers(){
        pubKeys = [];
        memberCount = chatsModel.activeChannel.members.rowCount();
        currMemberCount = memberCount;
        for(var i in groupMembers.contentItem.children){
            if (groupMembers.contentItem.children[i].isChecked !== null) {
                groupMembers.contentItem.children[i].isChecked = false
            }
        }
        data.clear();
        for(let i = 0; i < profileModel.contactList.rowCount(); i++){
            if(chatsModel.activeChannel.contains(profileModel.contactList.rowData(i, "pubKey"))) continue;
            if(profileModel.contactList.rowData(i, "isContact") == "false") continue;
            data.append({
                name: profileModel.contactList.rowData(i, "name"),
                pubKey: profileModel.contactList.rowData(i, "pubKey"),
                address: profileModel.contactList.rowData(i, "address"),
                identicon: profileModel.contactList.rowData(i, "identicon"),
                isUser: false
            });
        }
    }

    onOpened: {
        addMembers = false;
        btnSelectMembers.enabled = false;
        resetSelectedMembers();
    }

    function doAddMembers(){
        if(pubKeys.length === 0) return;
        chatsModel.addGroupMembers(chatsModel.activeChannel.id, JSON.stringify(pubKeys));
        popup.close();
    }

    header: Item {
      height: children[0].height
      width: parent.width

      Rectangle {
          id: letterIdenticon
          width: 36
          height: 36
          radius: 50
          anchors.top: parent.top
          anchors.topMargin: Theme.padding
          color: chatsModel.activeChannel.color
  
          StyledText {
            text: chatsModel.activeChannel.name.charAt(0).toUpperCase();
            opacity: 0.7
            font.weight: Font.Bold
            font.pixelSize: 21
            color: Theme.white
            anchors.horizontalCenter: parent.horizontalCenter
            anchors.verticalCenter: parent.verticalCenter
          }
      }
    
      StyledTextEdit {
          id: groupName
          text: addMembers ? qsTr("Add members") : chatsModel.activeChannel.name
          anchors.top: parent.top
          anchors.topMargin: 18
          anchors.left: letterIdenticon.right
          anchors.leftMargin: Theme.smallPadding
          font.bold: true
          font.pixelSize: 14
          readOnly: true
          wrapMode: Text.WordWrap
      }

      StyledText {
          text: {
            let cnt = memberCount;
            if(addMembers){
                return qsTr("%1 / 10 members").arg(cnt)
            } else {
                if(cnt > 1) return qsTr("%1 members").arg(cnt);
                return qsTr("1 member");
            }
          }
          width: 160
          anchors.left: letterIdenticon.right
          anchors.leftMargin: Theme.smallPadding
          anchors.top: groupName.bottom
          anchors.topMargin: 2
          font.pixelSize: 14
          color: Theme.darkGrey
      }

      Rectangle {
            id: editGroupNameBtn
            visible: !addMembers && chatsModel.activeChannel.isAdmin(profileModel.profile.pubKey)
            height: 24
            width: 24
            anchors.top: parent.top
            anchors.topMargin: Theme.padding
            anchors.leftMargin: 4
            anchors.left: groupName.right
            radius: 8

            SVGImage {
                id: editGroupImg
                source: "../../../img/edit-group.svg"
                anchors.horizontalCenter: parent.horizontalCenter
                anchors.verticalCenter: parent.verticalCenter
            }

            MouseArea {
                id: closeModalMouseArea
                cursorShape: Qt.PointingHandCursor
                anchors.fill: parent
                hoverEnabled: true
                onExited: {
                    editGroupNameBtn.color = Theme.white
                }
                onEntered: {
                    editGroupNameBtn.color = Theme.grey
                }
                onClicked: renameGroupPopup.open()
            }
        }

        RenameGroupPopup {
            id: renameGroupPopup
        }
    }

    Item {
        id: addMembersItem
        anchors.fill: parent

        SearchBox {
            id: searchBox
            visible: addMembers
            iconWidth: 17
            iconHeight: 17
            customHeight: 44
            fontPixelSize: 15
        }

        ScrollView {
            visible: addMembers
            anchors.fill: parent
            anchors.topMargin: 50
            anchors.top: searchBox.bottom
            Layout.fillWidth: true
            Layout.fillHeight: true

            ScrollBar.horizontal.policy: ScrollBar.AlwaysOff
            ScrollBar.vertical.policy: groupMembers.contentHeight > groupMembers.height ? ScrollBar.AlwaysOn : ScrollBar.AlwaysOff

            ListView {
                anchors.fill: parent
                model: ListModel {
                    id: data
                }
                spacing: 0
                clip: true
                id: groupMembers
                delegate: Contact {
                    isVisible: searchBox.text == "" || model.name.includes(searchBox.text)
                    showCheckbox: memberCount < maxMembers
                    pubKey: model.pubKey
                    isUser: model.isUser
                    name: model.name
                    address: model.address
                    identicon: model.identicon
                    onItemChecked: function(pubKey, itemChecked){
                        var idx = pubKeys.indexOf(pubKey)
                        if(itemChecked){
                            if(idx == -1){
                                pubKeys.push(pubKey)
                            }
                        } else {
                            if(idx > -1){
                                pubKeys.splice(idx, 1);
                            }
                        }
                        memberCount = chatsModel.activeChannel.members.rowCount() + pubKeys.length;
                        btnSelectMembers.enabled = pubKeys.length > 0
                    }
                }
            }
        }

    }

    Item {
        id: groupInfoItem
        anchors.fill: parent

        StyledText {
            id: memberLabel
            text: qsTr("Members")
            anchors.left: parent.left
            anchors.leftMargin: Theme.padding
            font.pixelSize: 15
            color: Theme.darkGrey
        }

        ListModel {
            id: exampleModel

            ListElement {
                isAdmin: false
                joined: true
                identicon: "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNk+A8AAQUBAScY42YAAAAASUVORK5CYII="
                userName: "The UserName"
                pubKey: "0x12345678"
            }

            ListElement {
                isAdmin: false
                joined: true
                identicon: "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNk+A8AAQUBAScY42YAAAAASUVORK5CYII="
                userName: "The UserName"
                pubKey: "0x12345678"
            }

            ListElement {
                isAdmin: false
                joined: true
                identicon: "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNk+A8AAQUBAScY42YAAAAASUVORK5CYII="
                userName: "The UserName"
                pubKey: "0x12345678"
            }
        }

        ListView {
            id: memberList
            anchors.fill: parent
            anchors.top: memberLabel.bottom
            anchors.bottom: popup.bottom
            anchors.topMargin: 30
            anchors.bottomMargin: Theme.padding
            spacing: 4
            Layout.fillWidth: true
            Layout.fillHeight: true
            //model: exampleModel
            model: chatsModel.activeChannel.members
            delegate: Row {
                Column {
                    Image {
                        source: model.identicon
                        mipmap: true
                        smooth: false
                        antialiasing: true
                    }
                }
                Column {
                    StyledText {
                        text: model.userName
                        width: 300
                        elide: Text.ElideRight
                        Layout.fillWidth: true
                        font.pixelSize: 13
                    }
                }
                Column {
                    StyledText {
                        visible: model.isAdmin
                        text: qsTr("Admin")
                        width: 100
                        font.pixelSize: 13
                    }
                    StyledText {
                        id: moreActionsBtn
                        visible: !model.isAdmin && chatsModel.activeChannel.isAdmin(profileModel.profile.pubKey)
                        text: "..."
                        width: 100
                        MouseArea {
                            anchors.fill: parent
                            onClicked: {
                                contextMenu.popup(moreActionsBtn.x - moreActionsBtn.width, moreActionsBtn.height + 10)
                            }
                            cursorShape: Qt.PointingHandCursor
                            PopupMenu {
                                id: contextMenu
                                Action {
                                    icon.source: "../../../img/make-admin.svg"
                                    text: qsTr("Make Admin")
                                    onTriggered: chatsModel.makeAdmin(chatsModel.activeChannel.id,  model.pubKey)
                                }
                                Action {
                                    icon.source: "../../../img/remove-from-group.svg"
                                    icon.color: Theme.red
                                    text: qsTr("Remove From Group")
                                    onTriggered: chatsModel.kickGroupMember(chatsModel.activeChannel.id,  model.pubKey)
                                }
                            }
                        }
                    }
                }
            }
        }
    }

    footer: Item {
        visible: chatsModel.activeChannel.isAdmin(profileModel.profile.pubKey)
        width: parent.width
        height: children[0].height
        StyledButton {
          visible: !addMembers
          anchors.right: parent.right
          label: qsTr("Add members")
          anchors.bottom: parent.bottom
          onClicked: {
            addMembers = true;
          }
        }

        Button {
            id: btnBack
            visible: addMembers
            width: 44
            height: 44
            anchors.bottom: parent.bottom
            anchors.left: parent.left
            SVGImage {
                source: "../../../img/arrow-left-btn-active.svg"
                width: 50
                height: 50
            }
            background: Rectangle {
                color: "transparent"
            }
            MouseArea {
                cursorShape: Qt.PointingHandCursor
                anchors.fill: parent
                onClicked : {
                    addMembers = false;
                    resetSelectedMembers();
                }
            }
        }

        StyledButton {
          id: btnSelectMembers
          visible: addMembers
          disabled: memberCount <= currMemberCount
          anchors.right: parent.right
          label: qsTr("Add selected")
          anchors.bottom: parent.bottom
          onClicked: doAddMembers()
        }
    }

    content: addMembers ? addMembersItem : groupInfoItem
}