/*
 * This file is part of the Flowee project
 * Copyright (C) 2021 Tom Zander <tom@flowee.org>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
import QtQuick
import QtQuick.Controls
import "../Flowee" as Flowee

Item {
    id: root

    Rectangle {
        id: background
        color: "black"
        opacity: priv.collapsed ? 0 : 0.2
        anchors.fill: parent

        Behavior on opacity { NumberAnimation { } }
    }
    MouseArea {
        // area over the background to close our screen should the user click there.
        width: parent.width
        y: priv.y + priv.height
        height: parent.height - y
        enabled: !priv.collapsed
        visible: enabled
        onClicked: priv.collapsed = true
        cursorShape: Qt.UpArrowCursor
    }
    Item {
        id: priv
        width: parent.width
        height: content.height + content.y
        clip: true
        property bool collapsed: true

        Rectangle {
            x: -width / 2
            y: -height / 2
            radius: width / 2
            width: priv.collapsed ? 70 : priv.width * 2.9
            height: priv.collapsed ? 70 : priv.height * 2.9
            color: priv.collapsed ? palette.windowText : palette.window

            Behavior on color { ColorAnimation { duration: 400 } }
            Behavior on width { NumberAnimation { duration: 400 } }
            Behavior on height { NumberAnimation { duration: 400 } }
        }

        MouseArea {
            visible: !priv.collapsed
            anchors.fill: parent
            // dummy, just make sure that the background doensn't get them.
        }

        Item {
            id: content
            y: 20
            opacity: priv.collapsed ? 0 : 1
            visible: opacity != 0
            width: parent.width
            height: randomRect.height + title.height + 30

            Label {
                id: title
                text: qsTr("Add Detail")
                font.pointSize: 20
                anchors.horizontalCenter: parent.horizontalCenter
            }
            Rectangle {
                id: randomRect
                width: inputSelectorButton.width + 30
                height: width
                anchors.top: title.bottom
                anchors.topMargin: 10
                x: 10

                color: palette.light
                border.width: 2
                border.color: palette.shadow

                Flowee.Button {
                    id: inputSelectorButton
                    text: qsTr("Coin Selector")
                    y: 15
                    anchors.horizontalCenter: parent.horizontalCenter
                    onClicked: {
                        payment.addInputSelector();
                        priv.collapsed = true
                    }
                }
            }
            Label {
                id: helpText
                anchors.top: randomRect.top
                anchors.topMargin: 20
                anchors.left: randomRect.right
                anchors.leftMargin: 10
                anchors.right: parent.right
                wrapMode: Label.Wrap
                text: qsTr("To override the default selection of coins that are used to pay a transaction, you can add the 'Coin Selector' where the wallets coins will be made visible.")
            }

            // line
            Rectangle {
                color: "black"
                height: 4
                width: parent.width
                anchors.bottom: parent.bottom
            }
            Flowee.CloseIcon {
                anchors.right: parent.right
                anchors.rightMargin: 10
                onClicked: priv.collapsed = true
            }
        }

        MouseArea {
            visible: priv.collapsed
            width: 60
            height: 30
            cursorShape: Qt.ClosedHandCursor

            onClicked: priv.collapsed = false
        }
    }

    // the two lines that make up the "+" icon
    Rectangle {
        opacity: priv.collapsed ? 1 : 0
        color: palette.window
        width: 17
        height: 3
        x: 6
        y: 13
    }
    Rectangle {
        opacity: priv.collapsed ? 1 : 0
        color: palette.window
        width: 3
        height: 17
        y: 6
        x: 13
    }
}