import QtQuick 2.15
import QtQuick.Controls 2.15
import QtQuick.Layouts 1.15

import StatusQ.Core 0.1
import StatusQ.Core.Utils 0.1
import StatusQ.Popups.Dialog 0.1

import AppLayouts.Wallet.views 1.0

import SortFilterProxyModel 0.2

/**
  Panel holding search field and lists of assets.
*/
Control {
    id: root

    /**
     Expected model structure:

        tokensKey               [string] - unique asset's identifier
        name                    [string] - asset's name
        symbol                  [string] - asset's symbol
        iconSource              [url]    - asset's icon
        currencyBalanceAsString [string] - formatted balance
        balances                [model]  - submodel of balances per chain
            balanceAsString     [string] - formatted balance per chain
            iconUrl             [url]    - chain's icon
        sectionName (optional)  [string] - text to be rendered as a section
    **/
    property alias model: sfpm.sourceModel
    property string highlightedKey
    property string nonInteractiveKey

    signal selected(string key)

    function clearSearch() {
        searchBox.text = ""
    }

    QtObject {
        id: d
        readonly property bool validSearchResultExists: !!searchBox.text && sfpm.count > 0
    }

    SortFilterProxyModel {
        id: sfpm

        filters: AnyOf {
            SearchFilter {
                roleName: "name"
                searchPhrase: searchBox.text
            }
            SearchFilter {
                roleName: "symbol"
                searchPhrase: searchBox.text
            }
        }
    }

    contentItem: ColumnLayout {
        spacing: 0

        TokenSearchBox {
            id: searchBox

            objectName: "searchBox"

            Layout.fillWidth: true
            placeholderText: qsTr("Search assets")

            Keys.forwardTo: [listView]
        }

        StatusDialogDivider {
            Layout.fillWidth: true
            visible: listView.count
        }

        StatusListView {
            id: listView

            objectName: "assetsListView"

            clip: true

            Layout.fillWidth: true
            Layout.fillHeight: true
            Layout.preferredHeight: contentHeight
            Layout.leftMargin: 4
            Layout.rightMargin: 4

            spacing: 4

            model: sfpm
            section.property: "sectionName"

            section.delegate: TokenSelectorSectionDelegate {
                width: ListView.view.width
                text: section
            }

            delegate: TokenSelectorAssetDelegate {
                required property var model
                required property int index

                width: ListView.view.width

                highlighted: model.tokensKey === root.highlightedKey
                enabled: model.tokensKey !== root.nonInteractiveKey
                balancesListInteractive: !ListView.view.moving
                isAutoHovered: d.validSearchResultExists && index === 0 && !listViewHoverHandler.hovered

                name: model.name
                symbol: model.symbol
                currencyBalanceAsString: model.currencyBalanceAsString ?? ""
                iconSource: model.iconSource
                balancesModel: model.balances

                onClicked: root.selected(model.tokensKey)
            }

            Keys.onReturnPressed: {
                if(d.validSearchResultExists)
                    listView.itemAtIndex(0).clicked()
            }

            Keys.onEnterPressed: {
                if(d.validSearchResultExists)
                    listView.itemAtIndex(0).clicked()
            }

            HoverHandler {
                id: listViewHoverHandler
            }
        }
    }
}