// Copyright (C) 2026 Danilo M. <danix@danix.xyz>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
//
// 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.

import QtQuick
import "../.."

// One line of the transitions page: a frame caught halfway through the
// transition, its name, the Active mark, and the switch for Random's pool. A
// click on the line previews it; only the Active mark changes the choice.
// The line named "random" has no frame to preview and no switch.
Item {
    id: row
    required property string name
    required property string label
    // Column widths, shared with the page's headings.
    required property int activeWidth
    required property int randomWidth
    readonly property bool random: name === "random"
    readonly property bool active: Transitions.draftPick === name
    signal preview
    signal activated

    implicitHeight: 76

    Rectangle {
        anchors.fill: parent
        radius: 6
        color: row.active ? Qt.alpha(Theme.accent, 0.14)
             : area.containsMouse ? Qt.alpha(Theme.text, 0.06) : "transparent"
    }

    MouseArea {
        id: area
        anchors.fill: parent
        enabled: !row.random
        hoverEnabled: true
        cursorShape: Qt.PointingHandCursor
        onClicked: row.preview()
    }

    Rectangle {
        id: frame
        anchors { left: parent.left; leftMargin: 6; verticalCenter: parent.verticalCenter }
        // DP-1's shape, like the monitor above.
        width: 152; height: 64
        color: Theme.surface

        TransitionView {
            anchors.fill: parent
            visible: !row.random
            name: row.random ? "burn" : row.name
            progress: 0.5
            origin: Qt.point(0.35, 0.6)
        }
        Text {
            anchors.centerIn: parent
            visible: row.random
            // nf-fa-shuffle, present in Inconsolata Nerd Font.
            text: ""
            color: Theme.subtext
            font { family: Theme.iconFamily; pixelSize: Theme.fontSize * 2 }
        }
    }

    Text {
        anchors { left: frame.right; leftMargin: 14; verticalCenter: parent.verticalCenter }
        text: row.label
        color: row.active ? Theme.text : Theme.subtext
        font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 2 }
    }

    Item {
        id: randomCell
        anchors { right: parent.right; top: parent.top; bottom: parent.bottom }
        width: row.randomWidth

        Switch {
            anchors.centerIn: parent
            visible: !row.random
            checked: Transitions.draftPool.indexOf(row.name) >= 0
            onToggled: Transitions.toggle(row.name)
        }
    }

    Item {
        anchors { right: randomCell.left; top: parent.top; bottom: parent.bottom }
        width: row.activeWidth

        Rectangle {
            anchors.centerIn: parent
            width: 20; height: 20; radius: 10
            color: "transparent"
            border.width: 2
            border.color: row.active ? Theme.accent : Qt.alpha(Theme.text, 0.3)

            Rectangle {
                anchors.centerIn: parent
                visible: row.active
                width: 10; height: 10; radius: 5
                color: Theme.accent
            }
        }
        MouseArea {
            anchors.fill: parent
            cursorShape: Qt.PointingHandCursor
            onClicked: {
                Transitions.draftPick = row.name;
                row.activated();
            }
        }
    }
}