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// 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 QtQuick.Controls
import "../.."

// A switch plus an optional minutes field. The switch is the auto-lock state:
// on means the screen locks on idle as usual. Turning it off asserts the idle
// inhibitor, which is the only thing that stops hypridle. A number in the field
// makes that disable temporary and it re-enables itself; an empty field makes
// it permanent. The singleton owns the state and the timer, so the effect
// outlives this row, which dies with the drawer page.
Item {
    id: row

    // A tick so the row repaints when a timed disable expires on its own.
    property double now: Date.now()
    Timer {
        interval: 1000
        running: true
        repeat: true
        onTriggered: row.now = Date.now()
    }

    readonly property bool lockOn: !Status.nolock
    readonly property bool timed: Status.nolockUntil > row.now

    implicitHeight: Math.max(texts.implicitHeight, controls.implicitHeight) + 16

    function hhmm(ts) {
        const d = new Date(ts);
        return ("0" + d.getHours()).slice(-2) + ":" + ("0" + d.getMinutes()).slice(-2);
    }

    function apply(lockOn) {
        if (lockOn) {
            Status.setMode("nolock", false);
        } else {
            const n = parseInt(minutes.text, 10);
            Status.disableLockFor(isNaN(n) || n < 1 ? 0 : n);
        }
    }

    Column {
        id: texts
        anchors {
            left: parent.left
            right: controls.left
            rightMargin: 12
            verticalCenter: parent.verticalCenter
        }
        spacing: 2

        Text {
            text: "Screen lock"
            font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 2; bold: true }
            color: Theme.text
        }

        Text {
            width: parent.width
            wrapMode: Text.WordWrap
            text: row.lockOn ? "The screen locks automatically when the session is idle."
                 : row.timed ? "Auto-lock is off until " + row.hhmm(Status.nolockUntil) + "."
                 : "Auto-lock stays off until you turn it back on."
            font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 4 }
            color: Theme.subtext
        }
    }

    Row {
        id: controls
        anchors { right: parent.right; verticalCenter: parent.verticalCenter }
        spacing: 8

        TextField {
            id: minutes
            width: 48
            height: 28
            placeholderText: "min"
            horizontalAlignment: TextInput.AlignHCenter
            color: Theme.text
            font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 4 }
            background: Rectangle {
                radius: 6
                color: Qt.alpha(Theme.surface, 0.9)
                border.width: 1
                border.color: Qt.alpha(Theme.text, 0.15)
            }
            validator: IntValidator { bottom: 1; top: 1440 }
        }

        Switch {
            id: sw
            checked: row.lockOn
            onToggled: row.apply(!row.lockOn)
        }
    }

    // The shared Switch's click handler writes `checked` directly, which drops
    // the declarative binding above. Resync on any state change so the timer,
    // statusctl or presentation mode moves the switch back into agreement.
    onLockOnChanged: sw.checked = row.lockOn
}