// SPDX-FileCopyrightText: 2020 George Florea Bănuș <georgefb899@gmail.com>
// SPDX-FileCopyrightText: 2026 Tri Vo Khac
// SPDX-License-Identifier: GPL-3.0-or-later

import QtQuick
import QtQuick.Controls
import QtQuick.Layouts
import org.kde.ki18n
import org.kde.kirigami as Kirigami

// Toolbar above the video: open buttons, track menus, translation progress, settings.
ToolBar {
    id: root

    // Space activates the focused control before the window's playback action. The
    // controls take focus only from Tab, so a click leaves Space for playback.
    Keys.onShortcutOverride: event => {
        if (event.key === Qt.Key_Space && event.modifiers === Qt.NoModifier) {
            event.accepted = true
        }
    }

    required property Actions actions
    required property MpvItem mpv
    required property TranslationService translator
    // False in full screen and when the user hides the toolbar.
    property bool shown: true
    property bool menuBarShown: true

    readonly property bool isSmallSize: width < Kirigami.Units.gridUnit * 34
    readonly property int buttonSize: isSmallSize ? Kirigami.Units.iconSizes.small : Kirigami.Units.iconSizes.smallMedium

    position: ToolBar.Header
    state: shown ? "visible" : "hidden"

    RowLayout {
        width: parent.width
        spacing: Kirigami.Units.mediumSpacing

        HamburgerMenu {
            actions: root.actions
            mpv: root.mpv
            visible: !root.menuBarShown
            focusPolicy: Qt.TabFocus
            icon.width: root.buttonSize
            icon.height: root.buttonSize
        }

        ToolButton {
            action: root.actions.openFile
            focusPolicy: Qt.TabFocus
            icon.width: root.buttonSize
            icon.height: root.buttonSize
            display: root.isSmallSize ? AbstractButton.IconOnly : AbstractButton.TextBesideIcon

            ToolTip.text: text
            ToolTip.visible: hovered
            ToolTip.delay: Kirigami.Units.toolTipDelay
        }

        ToolButton {
            action: root.actions.openUrl
            focusPolicy: Qt.TabFocus
            icon.width: root.buttonSize
            icon.height: root.buttonSize
            display: root.isSmallSize ? AbstractButton.IconOnly : AbstractButton.TextBesideIcon

            ToolTip.text: text
            ToolTip.visible: hovered
            ToolTip.delay: Kirigami.Units.toolTipDelay
        }

        ToolSeparator {}

        ToolButton {
            id: subtitleButton
            text: KI18n.i18nc("@action:intoolbar", "Subtitles")
            icon.name: "add-subtitle"
            icon.width: root.buttonSize
            icon.height: root.buttonSize
            focusPolicy: Qt.TabFocus
            enabled: root.mpv.fileLoaded
            opacity: enabled ? 1.0 : 0.6
            display: root.isSmallSize ? AbstractButton.IconOnly : AbstractButton.TextBesideIcon

            ToolTip.text: text
            ToolTip.visible: hovered
            ToolTip.delay: Kirigami.Units.toolTipDelay
            Accessible.role: Accessible.ButtonMenu
            down: subtitleMenu.visible
            onPressed: subtitleMenu.open()

            SubtitleTracksMenu {
                id: subtitleMenu
                mpv: root.mpv
                isPrimary: true
                y: parent.height
                modal: true
                dim: false
                // The track list is empty for files without subtitles, but a file can
                // still be added.
                enabled: true

                MenuSeparator {}
                AppMenuItem { action: root.actions.translateSubtitle }
                AppMenuItem { action: root.actions.addSubtitle }
            }
        }

        ToolButton {
            text: KI18n.i18nc("@action:intoolbar", "Audio")
            icon.name: "audio-volume-high"
            icon.width: root.buttonSize
            icon.height: root.buttonSize
            focusPolicy: Qt.TabFocus
            enabled: root.mpv.audioTracks.length > 0
            opacity: enabled ? 1.0 : 0.6
            display: root.isSmallSize ? AbstractButton.IconOnly : AbstractButton.TextBesideIcon

            ToolTip.text: text
            ToolTip.visible: hovered
            ToolTip.delay: Kirigami.Units.toolTipDelay
            Accessible.role: Accessible.ButtonMenu
            down: audioMenu.visible
            onPressed: audioMenu.open()

            AudioTracksMenu {
                id: audioMenu
                mpv: root.mpv
                y: parent.height
                modal: true
                dim: false
            }
        }

        // Translation progress, with a way to stop it.
        RowLayout {
            visible: root.translator.busy
            spacing: Kirigami.Units.smallSpacing
            Layout.leftMargin: Kirigami.Units.largeSpacing

            Kirigami.Icon {
                source: "translate"
                implicitWidth: Kirigami.Units.iconSizes.small
                implicitHeight: Kirigami.Units.iconSizes.small
            }

            ProgressBar {
                from: 0
                to: 1
                value: root.translator.progress
                indeterminate: root.translator.progress === 0
                Layout.preferredWidth: Kirigami.Units.gridUnit * 6
            }

            Label {
                text: root.translator.statusText
                elide: Text.ElideRight
                visible: !root.isSmallSize
                Layout.maximumWidth: Kirigami.Units.gridUnit * 14
            }

            ToolButton {
                action: root.actions.cancelTranslation
                display: AbstractButton.IconOnly
                focusPolicy: Qt.TabFocus

                ToolTip.text: text
                ToolTip.visible: hovered
                ToolTip.delay: Kirigami.Units.toolTipDelay
            }
        }

        Item {
            Layout.fillWidth: true
        }

        ToolButton {
            action: root.actions.configure
            focusPolicy: Qt.TabFocus
            icon.width: root.buttonSize
            icon.height: root.buttonSize
            display: root.isSmallSize ? AbstractButton.IconOnly : AbstractButton.TextBesideIcon

            ToolTip.text: text
            ToolTip.visible: hovered
            ToolTip.delay: Kirigami.Units.toolTipDelay
        }
    }

    states: [
        State {
            name: "hidden"
            PropertyChanges {
                root.height: 0
                root.opacity: 0
                root.visible: false
            }
        },
        State {
            name: "visible"
            PropertyChanges {
                root.height: root.implicitHeight
                root.opacity: 1
                root.visible: true
            }
        }
    ]

    transitions: [
        Transition {
            from: "visible"
            to: "hidden"
            SequentialAnimation {
                ParallelAnimation {
                    NumberAnimation {
                        target: root
                        property: "opacity"
                        duration: Kirigami.Units.veryShortDuration
                        easing.type: Easing.Linear
                    }
                    NumberAnimation {
                        target: root
                        property: "height"
                        duration: Kirigami.Units.veryShortDuration
                        easing.type: Easing.Linear
                    }
                }
                PropertyAction {
                    target: root
                    property: "visible"
                    value: false
                }
            }
        },
        Transition {
            from: "hidden"
            to: "visible"
            SequentialAnimation {
                PropertyAction {
                    target: root
                    property: "visible"
                    value: true
                }
                ParallelAnimation {
                    NumberAnimation {
                        target: root
                        property: "height"
                        duration: Kirigami.Units.veryShortDuration
                        easing.type: Easing.Linear
                    }
                    NumberAnimation {
                        target: root
                        property: "opacity"
                        duration: Kirigami.Units.veryShortDuration
                        easing.type: Easing.Linear
                    }
                }
            }
        }
    ]
}