// 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 Quickshell
import Quickshell.Wayland
import Quickshell.Widgets
import QtQuick

Column {
    id: card

    required property var toplevel
    property bool selected: false
    property int cardWidth: 380

    signal activated()
    signal closeRequested()

    // A Hyprland toplevel carries its Wayland handle separately, and the two
    // are not created in the same instant, so this reads null for a window
    // that is appearing or going away. Everything below guards for it.
    readonly property var wl: toplevel.wayland ?? null

    width: cardWidth
    spacing: 8

    // A fixed 16:10 box with the preview fitted inside it. The previews are
    // not one shape: DP-1 windows are near 21:9 and DP-3 is rotated, so its
    // windows are portrait. Sizing each card to its own preview would give
    // ragged rows and break the alignment of the text lines below.
    Rectangle {
        id: box
        width: card.cardWidth
        height: Math.round(card.cardWidth * 10 / 16)
        radius: 10
        color: Theme.surface
        border.color: card.selected ? Theme.accent : Theme.surfaceAlt
        border.width: card.selected ? 3 : 1

        ScreencopyView {
            id: preview
            anchors.centerIn: parent
            captureSource: card.wl
            live: true

            // An uncaptured view reports sourceSize (-1, -1) rather than
            // (0, 0), so this tests for a positive height rather than a
            // non-zero one, and falls back to the box's own ratio.
            readonly property real ar: sourceSize.height > 0
                ? sourceSize.width / sourceSize.height
                : 16 / 10
            width: Math.min(parent.width - 8, (parent.height - 8) * ar)
            height: Math.min(parent.height - 8, (parent.width - 8) / ar)
        }

        MouseArea {
            anchors.fill: parent
            onClicked: card.activated()
        }

        // Both corner overlays sit on an arbitrary window preview, so each
        // carries its own scrim: a themed icon can otherwise land on a
        // same-coloured region and vanish, a light icon on a white page being
        // the obvious case.
        Rectangle {
            anchors { left: parent.left; top: parent.top; margins: 8 }
            width: 34; height: 34; radius: 8
            color: Qt.rgba(Theme.base.r, Theme.base.g, Theme.base.b, 0.75)

            IconImage {
                anchors.centerIn: parent
                width: 24; height: 24
                source: Quickshell.iconPath(card.wl ? card.wl.appId : "", true)
            }
        }

        Rectangle {
            id: closeButton
            anchors { right: parent.right; top: parent.top; margins: 8 }
            width: 34; height: 34; radius: 17
            color: closeHover.hovered
                ? Theme.red
                : Qt.rgba(Theme.base.r, Theme.base.g, Theme.base.b, 0.75)

            IconImage {
                anchors.centerIn: parent
                width: 22; height: 22
                source: Quickshell.iconPath("window-close", true)
            }

            HoverHandler { id: closeHover }

            MouseArea {
                anchors.fill: parent
                onClicked: card.closeRequested()
            }
        }
    }

    Text {
        width: parent.width
        horizontalAlignment: Text.AlignHCenter
        elide: Text.ElideRight
        text: card.wl ? card.wl.appId : ""
        color: Theme.text
        font.family: Theme.fontFamily
        font.pixelSize: 16
        font.bold: true
    }

    Text {
        width: parent.width
        elide: Text.ElideRight
        text: card.toplevel.title
        color: Theme.subtext
        font.family: Theme.fontFamily
        font.pixelSize: 13
    }

    Text {
        width: parent.width
        horizontalAlignment: Text.AlignHCenter
        text: "[" + (card.toplevel.workspace ? card.toplevel.workspace.name : "?") + "]"
        color: Theme.accent
        font.family: Theme.fontFamily
        font.pixelSize: 13
    }
}