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

import StatusQ.Core 0.1
import StatusQ.Components 0.1
import StatusQ.Controls 0.1
import StatusQ.Core.Theme 0.1

Control {
    id: root

    // [{primary:string, secondary:string, image:string}]
    required property var newsModel

    background: Rectangle {
        color: Theme.palette.neutral95
        radius: 20
    }

    verticalPadding: Theme.xlPadding
    horizontalPadding: Theme.xlPadding * 2

    contentItem: ColumnLayout {
        id: newsPage
        readonly property string primaryText: root.newsModel.get(pageIndicator.currentIndex).primary
        readonly property string secondaryText: root.newsModel.get(pageIndicator.currentIndex).secondary

        spacing: Theme.halfPadding

        Image {
            Layout.fillWidth: true
            Layout.maximumWidth: 460
            Layout.fillHeight: true
            Layout.maximumHeight: 582
            Layout.alignment: Qt.AlignHCenter
            fillMode: Image.PreserveAspectFit
            asynchronous: true
            source: Theme.png(root.newsModel.get(pageIndicator.currentIndex).image)
        }

        StatusBaseText {
            Layout.fillWidth: true
            text: newsPage.primaryText
            horizontalAlignment: Text.AlignHCenter
            font.weight: Font.DemiBold
            color: Theme.palette.white
            wrapMode: Text.WordWrap
        }

        StatusBaseText {
            Layout.fillWidth: true
            text: newsPage.secondaryText
            horizontalAlignment: Text.AlignHCenter
            font.pixelSize: Theme.additionalTextSize
            color: Theme.palette.white
            wrapMode: Text.WordWrap
        }

        PageIndicator {
            Layout.alignment: Qt.AlignHCenter | Qt.AlignBottom
            Layout.topMargin: Theme.smallPadding
            Layout.maximumWidth: parent.width
            id: pageIndicator
            interactive: true
            count: root.newsModel.count
            currentIndex: -1
            Component.onCompleted: currentIndex = 0 // start switching pages

            function switchToNextOrFirstPage() {
                currentIndex = (currentIndex + 1) % count
            }

            delegate: Control {
                id: pageIndicatorDelegate
                implicitWidth: 44
                implicitHeight: 8

                readonly property bool isCurrentPage: index === pageIndicator.currentIndex

                background: Rectangle {
                    color: Qt.rgba(1, 1, 1, 0.1)
                    radius: 4
                    HoverHandler {
                        cursorShape: hovered ? Qt.PointingHandCursor : undefined
                    }
                }
                contentItem: Item {
                    Rectangle {
                        NumberAnimation on width {
                            from: 0
                            to: pageIndicatorDelegate.availableWidth
                            duration: 3000
                            running: pageIndicatorDelegate.isCurrentPage
                            onStopped: {
                                if (pageIndicatorDelegate.isCurrentPage)
                                    pageIndicator.switchToNextOrFirstPage()
                            }
                        }

                        height: parent.height
                        color: pageIndicatorDelegate.isCurrentPage ? Theme.palette.white : "transparent"
                        radius: 4
                    }
                }
            }
        }
    }
}