// Copyright © SixtyFPS GmbH <info@slint-ui.com>
// SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-commercial

// cSpell: ignore standardbutton

import { LineEditInner, TextEdit, AboutSlint } from "../common/common.slint";
import { StandardButton } from "../common/standardbutton.slint";
import { StyleMetrics, ScrollView, Button, Palette  } from "std-widgets-impl.slint";
export { StyleMetrics, ScrollView, Button, StandardButton, TextEdit, AboutSlint, AboutSlint as AboutSixtyFPS }

export CheckBox := Rectangle {
    callback toggled;
    property <string> text <=> text.text;
    property <bool> checked;
    property <bool> has-focus;
    property<bool> enabled: true;
    min-height: 20px;
    horizontal-stretch: 0;
    vertical-stretch: 0;

    HorizontalLayout {
        spacing: 8px;

        VerticalLayout {
            alignment: center;
            Rectangle {
                border-width: 1px;
                border-radius: 2px;
                /* border-color: !enabled ? Palette.neutralLighter : Palette.neutralSecondaryAlt;
                background: !enabled ? Palette.white
                    : touch.pressed ? Palette.neutralLight
                    : touch.has-hover ? Palette.neutralLighter
                    : Palette.themePrimary;*/

                border-color: checked ? background : !enabled ? Palette.neutralTertiaryAlt : Palette.neutralSecondaryAlt;
                background: !checked ? Palette.white
                            : !enabled ? Palette.neutralTertiaryAlt
                            : touch.has-hover || touch.pressed ? Palette.themeDark
                            : Palette.themePrimary;
                animate background { duration: 250ms; easing: ease; }

                //width: height;
                vertical-stretch: 0;
                width: 20px;
                height: 20px;

                if (checked || touch.has-hover || touch.pressed) : Path {
                    width: 66%;
                    height: 66%;
                    x: (parent.width - width) / 2;
                    y: (parent.height - height) / 2;
                    commands: "M.22.5.42.7.78.34.74.3.42.62.26.54z";
                    fill: checked ? Palette.white : Palette.neutralSecondaryAlt;
                }
            }
        }

        text := Text {
            color: !enabled ? Palette.neutralTertiary : Palette.neutralDark;
            horizontal-alignment: left;
            vertical-alignment: center;
            vertical-stretch: 1;
        }

    }

    touch := TouchArea {
        enabled <=> root.enabled;
        clicked => {
            if (root.enabled) {
                root.checked = !root.checked;
                root.toggled();
            }
        }
    }

    fs := FocusScope {
        enabled <=> root.enabled;
        has_focus <=> root.has-focus;

        key-pressed(event) => {
            if (event.text == " " || event.text == "\n") {
                 touch.clicked();
                 return accept;
            }
            return reject;
        }
    }

    Rectangle { // Focus rectangle
        x: -3px;
        y: x;
        width: parent.width - 2*x;
        height: parent.height - 2*y;
        border-width: enabled && has-focus ? 1px : 0px;
        border-color: Palette.black;
    }
}

SpinBoxButton := Rectangle {
    callback clicked <=> touch.clicked;
    property<string> text; // text and font-size are not used, but present in the other styles
    property <length> font-size;
    property<bool> enabled <=> touch.enabled;
    background: !enabled ? transparent
        : touch.pressed ? Palette.neutralLight
        : touch.has-hover ? Palette.neutralLighter
        : Palette.white;

    property <color> symbol-color: !enabled ? Palette.neutralTertiary
        : touch.pressed || touch.has-hover ? Palette.neutralPrimary
        : Palette.neutralSecondary;
    touch := TouchArea { }
}

export SpinBox := FocusScope {
    property <bool> checked;
    property <int> value;
    property <int> minimum;
    property <int> maximum: 100;
    property <image> icon;
    property <length> font-size <=> button.font-size;

    min-height: max(32px, l.min-height);
    horizontal-stretch: 1;
    vertical-stretch: 0;

    Rectangle {
        background: !enabled ? Palette.neutralLighter : Palette.white;
    }

    l := GridLayout {
        padding-left: 8px;
        padding-top: 3px;
        padding-bottom: 3px;
        text := Text {
            rowspan: 2;
            text: value;
            color: !enabled ? Palette.neutralTertiary : Palette.neutralDark;
            horizontal-alignment: left;
            vertical-alignment: center;
        }
        Rectangle { width: 8px; }
        button := SpinBoxButton {
            width: 25px;
            enabled: root.enabled;
            Path {
                commands: "M978.2,688.9l-84.2,82.1c-15.7,15.3-41.1,15.3-56.7,0l-341-304.2L162.6,764.5c-15.5,15.1-41,15.1-56.6,0l-84.3-82.1c-15.6-15.2-15.6-39.9,0-55.2l446.6-398.2c15.7-15.3,41-15.3,56.7,0l6.9,6.7l446.3,398.1C993.9,649,993.9,673.7,978.2,688.9z";
                fill: parent.symbol-color;
                height: 33%;
                x: (parent.width - width) / 2;
                y: (parent.height - height) / 2;
            }
            clicked => {
                if (root.value < root.maximum) {
                    root.value += 1;
                }
            }
        }
        SpinBoxButton {
            row: 1; col: 2;
            enabled: root.enabled;
            Path {
                commands: "M21.8,311.1l84.2-82.1c15.7-15.2,41-15.2,56.7,0l341.1,304.1l333.7-297.5c15.5-15.2,41-15.2,56.6,0l84.3,82.1c15.6,15.2,15.6,40,0,55.2L531.7,771c-15.7,15.3-41,15.3-56.7,0l-6.9-6.7L21.8,366.3C6.1,351,6.1,326.3,21.8,311.1z";
                fill: parent.symbol-color;
                height: 33%;
                x: (parent.width - width) / 2;
                y: (parent.height - height) / 2;
            }
            clicked => {
                if (root.value > root.minimum) {
                    root.value -= 1;
                }
            }
        }

    }

    Rectangle {
        x: enabled && has-focus ? -2px : 0px;
        y: x;
        width: parent.width - 2*x;
        height: parent.height - 2*y;
        border-radius: 2px;
        border-width: !enabled ? 0px : has-focus ? 3px : 1px;
        border-color: !enabled ? Palette.neutralLighter
            : has-focus ? Palette.themeSecondary
            : Palette.neutralDark;
    }

    key-pressed(event) => {
        if (enabled && event.text == Keys.UpArrow && value < maximum) {
            value += 1;
            accept
        } else if (enabled && event.text == Keys.DownArrow && value > minimum) {
            value -= 1;
            accept
        } else {
            reject
        }
    }
}

export Slider := Rectangle {
    property<float> maximum: 100;
    property<float> minimum: 0;
    property<float> value;
    property<bool> enabled <=> touch.enabled;
    callback changed(float);

    min-height: 24px;
    min-width: 100px;
    horizontal-stretch: 1;
    vertical-stretch: 0;

    Rectangle {
        width: parent.width - parent.min-height;
        x: parent.height / 2;
        height: parent.min-height / 4;
        y: (parent.height - height) / 2;
        border-radius: height/2;
        background: !root.enabled ? Palette.neutralLighter
            : touch.has-hover ? Palette.themeLight
            : Palette.neutralTertiaryAlt;
    }

    Rectangle {
        width: (parent.width - parent.min-height) * ((value - minimum) / (maximum - minimum));
        x: parent.height / 2;
        height: parent.min-height / 4;
        y: (parent.height - height) / 2;
        border-radius: height/2;
        background: !root.enabled ? Palette.neutralTertiary
            : touch.has-hover ? Palette.themeSecondary
            : Palette.neutralSecondary;
    }

    handle := Rectangle {
        width: height;
        height: parent.height;
        border-width: 3px;
        border-radius: height / 2;
        border-color: !root.enabled ? Palette.neutralTertiaryAlt
            : touch.has-hover ? Palette.themePrimary
            : Palette.neutralSecondary;
        background: Palette.white;
        x: (root.width - handle.width) * (value - minimum)/(maximum - minimum);
    }
    touch := TouchArea {
        width: parent.width;
        height: parent.height;
        property <float> pressed-value;
        pointer-event(event) => {
            if (event.button == PointerEventButton.left && event.kind == PointerEventKind.down) {
                pressed-value = root.value;
            }
        }
        moved => {
            if (enabled && pressed) {
                value = max(root.minimum, min(root.maximum,
                    pressed-value + (touch.mouse-x - touch.pressed-x) * (maximum - minimum) / (root.width - handle.width)));
                root.changed(value);
            }
        }
    }
}



export GroupBox := VerticalLayout {
    property <string> title <=> label.text;
    property<bool> enabled: true;
    spacing: 8px;
    padding-top: 16px;
    padding-bottom: 8px;
    label := Text {
        vertical-stretch: 0;
        color: !enabled ? Palette.neutralTertiary : Palette.neutralDark;
        font-weight: 600;
    }
    Rectangle {
        vertical-stretch: 1;
        GridLayout {
            @children
        }
    }
}



export TabWidgetImpl := Rectangle {
    property <length> content-x: 0;
    property <length> content-y: tabbar-preferred-height;
    property <length> content-height: height - tabbar-preferred-height;
    property <length> content-width: width;
    property <length> tabbar-x: 0;
    property <length> tabbar-y: 0;
    property <length> tabbar-height: tabbar-preferred-height;
    property <length> tabbar-width: width;

    property <length> tabbar-preferred-height;
    property <length> tabbar-preferred-width;
    property <length> content-min-height;
    property <length> content-min-width;
    property <int> current-index;

    preferred-width: content-min-width;
    min-width: content-min-width;
    preferred-height: content-min-height + tabbar-preferred-height;
    min-height: content-min-height + tabbar-preferred-height;

}
export TabImpl := Rectangle {
    property<string> title <=> t.text;
    //property<image> icon;
    property<bool> enabled : true;
    property<bool> pressed;
    property<int> current;
    property<int> tab-index;
    property<int> num-tabs;

    min-height: t.preferred-height + 16px;
    preferred-width: t.preferred-width + 16px;


    background: !enabled ? Palette.neutralLighter
        : touch.pressed ? Palette.neutralLight
        : touch.has-hover ? Palette.neutralLighter
        : Palette.white;
    horizontal-stretch: 0;
    vertical-stretch: 0;

    touch := TouchArea {
        clicked => {
            fs.focus(); // focus ourselves so that the previous tab don't keep the focus
            current = tab-index;
        }
    }
    t:= Text {
        width: parent.width;
        height: parent.height;
        vertical-alignment: center;
        horizontal-alignment: center;
        color: !enabled ? Palette.neutralTertiary : Palette.neutralPrimary;
        font-weight: root.current == root.tab-index ? 600 : 500;
    }

    Rectangle {
        height: 3px;
        width: touch.has-hover && root.current == root.tab-index ? parent.width : parent.width - 16px;
        animate width { duration: 250ms; easing: ease-out; }
        background: root.current == root.tab-index ? Palette.themeSecondary : transparent;
        y: parent.height - height;
        x: (parent.width - width) / 2;
    }

    fs := FocusScope {}
}

export TabBarImpl := HorizontalLayout {
    spacing: 8px;
    alignment: start;
}

export TabWidget := TabWidget {}

export LineEdit := Rectangle {
    property <length> font-size <=> inner.font-size;
    property <string> text <=> inner.text;
    property <string> placeholder-text <=> inner.placeholder-text;
    property <bool> has-focus: inner.has-focus;
    property <bool> enabled <=> inner.enabled;
    property input-type <=> inner.input-type;
    callback accepted <=> inner.accepted;
    callback edited <=> inner.edited;
    forward-focus: inner;
  //  border-color: root.has-focus ? Palette.highlight-background : #ffffff;

    horizontal-stretch: 1;
    vertical-stretch: 0;
    min-height: max(32px, l.min-height);

    background: !enabled ? Palette.neutralLighter : Palette.white;
    border-radius: 2px;
    border-width: !enabled ? 0px : has-focus ? 2px : 1px;
    border-color: !enabled ? Palette.neutralLighter
        : has-focus ? Palette.themeSecondary
        : Palette.neutralPrimary;

    l := HorizontalLayout {
        padding-left: 8px;
        padding-right: 8px;
        padding-top: 3px;
        padding-bottom: 3px;
        inner := LineEditInner {
            placeholder-color: !enabled ? Palette.neutralTertiary : Palette.neutralSecondary;
        }
    }
}

export ListView := ScrollView {
    @children
}

export StandardListView := ListView {
    property<[StandardListViewItem]> model;
    property<int> current-item: min(fs.actual-current-item, model.length - 1);
    for item[idx] in model : Rectangle {
        l := HorizontalLayout {
            padding: 8px;
            spacing: 0px;
            t := Text {
                text: item.text;
                color: Palette.neutralPrimary;
            }
        }
        background: idx == root.current-item ? Palette.neutralLighter
                    : touch.has-hover ? Palette.neutralLighterAlt : transparent;
        touch := TouchArea {
            width: parent.width;
            height: parent.height;
            clicked => { fs.actual-current-item = idx; }
        }
    }
    fs := FocusScope {
        property<int> actual-current-item: -1;
        key-pressed(event) => {
            if (event.text == Keys.UpArrow && current-item > 0) {
                actual-current-item -= 1;
                return accept;
            } else if (event.text == Keys.DownArrow && current-item + 1 < model.length) {
                actual-current-item += 1;
                return accept;
            }
            reject
        }
    }
}

export ComboBox := FocusScope {
    property <[string]> model;
    property <int> current-index : -1;
    property <string> current-value;
    //property <bool> is-open: false;
    callback selected(string);

    Rectangle {
        background: !enabled ? Palette.neutralLighter : Palette.white;
        border-radius: 2px;
        border-width: !enabled ? 0px : has-focus ? 3px : 1px;
        border-color: !enabled ? Palette.neutralLighter
            : has-focus ? Palette.themeSecondary
            : Palette.neutralPrimary;
    }


    horizontal-stretch: 1;
    vertical-stretch: 0;
    min-width: 170px;
    min-height: max(32px, l.min-height);

    l := HorizontalLayout {
        padding-left: 8px;
        padding-right: 8px;
        padding-bottom: 3px;
        padding-top: 3px;
        spacing: 8px;
        t := Text {
            text <=> root.current-value;
            horizontal-alignment: left;
            vertical-alignment: center;
            horizontal-stretch: 1;
            color: !enabled ? Palette.neutralTertiary
                : root.has-focus || touch.has-hover ? Palette.neutralPrimary
                : Palette.neutralSecondary;
            min-width: 0;
        }
        Rectangle {
            width: 25px;
            Path {
                x: (parent.width - width) / 2;
                y: (parent.height - height) / 2;
                height: 8px;
                width: 25px;
                commands: "M.22.4.5.64.78.4.74.36.5.6.26.36z";
                fill: t.color;
            }
        }

    }

    touch := TouchArea {
        enabled <=> root.enabled;
        clicked => {
            root.focus();
            popup.show();
        }
    }

    popup := PopupWindow {
        y: root.height;
        width: root.width;
        Rectangle {
            border-color: Palette.neutralLighter;
            border-width: 1px;
            /*drop-shadow-color: Palette.neutralTertiary;
            drop-shadow-blur: 5px;*/
            background: Palette.white;
        }
        VerticalLayout {
            for value[idx] in root.model: Rectangle {
                background: idx == root.current-index ? Palette.neutralLighter
                    : item-area.has-hover ? Palette.neutralLighterAlt : transparent;
                VerticalLayout {
                    padding: 10px;
                    Text {
                        text: value;
                    }
                }
                item-area := TouchArea {
                    width: 100%;
                    height: 100%;
                    clicked => {
                        if (root.enabled) {
                            root.current-index = idx;
                            root.current-value = value;
                            root.selected(root.current-value);
                        }
                    }
                }
            }
        }
    }
}

export VerticalBox := VerticalLayout {
    spacing: StyleMetrics.layout-spacing;
    padding: StyleMetrics.layout-padding;
}
export HorizontalBox := HorizontalLayout {
    spacing: StyleMetrics.layout-spacing;
    padding: StyleMetrics.layout-padding;
}
export GridBox := GridLayout {
    spacing: StyleMetrics.layout-spacing;
    padding: StyleMetrics.layout-padding;
}