// Copyright © SixtyFPS GmbH <info@slint.dev>
// SPDX-License-Identifier: MIT
import { Palette } from "std-widgets.slint";

struct ButtonColors  {
    base: color,
    pressed: color,
    hovered: color,
}

struct ModeColors {
    background: color,
    primary: color,
    secondary: color,
    text-primary: color,
    text-secondary: color,
    destructive: color,
}

export global DemoPalette  {
    in property <bool> dark-mode: Palette.color-scheme == ColorScheme.dark;

    property <ModeColors> light-mode-colors: {
        background: #FFFFFF,
        primary: #0E133F,
        secondary: #FFBF63,
        text-primary: #000,
        text-secondary: #6284FF,
        destructive: #FF3B30,
    };

    property <ModeColors> dark-mode-colors: {
        background: #122F7B,
        primary: #0E133F,
        secondary: #FFBF63,
        text-primary: #F4F6FF,
        text-secondary: #F4F6FF,
        destructive: #FF3B30,
    };

    out property <color> background: dark-mode ? dark-mode-colors.background : light-mode-colors.background;
    out property <color> primary: dark-mode ? dark-mode-colors.primary : light-mode-colors.primary;
    out property <color> secondary: dark-mode ? dark-mode-colors.secondary : light-mode-colors.secondary;
    out property <color> text-primary: dark-mode ? dark-mode-colors.text-primary : light-mode-colors.text-primary;
    out property <color> text-secondary: dark-mode ? dark-mode-colors.text-secondary : light-mode-colors.text-secondary;
    out property <color> destructive: dark-mode ? dark-mode-colors.destructive : light-mode-colors.destructive;

    // Fixed (non-themeable) colors
    out property <color> push-button-text-color: white;

    // Color of the home/settings/ink buttons on the left side bar
    out property <color> active-page-icon-color: root.dark-mode ? #6284FF : #122F7B;
    out property <color> inactive-page-icon-color: #BDC0D1;
    out property <color> neutral-box: #BDC0D1;
    out property <color> secondary-foreground-color: root.dark-mode ? #C1C3CA : #6C6E7A;

    // Color used for the border / outline of items that can be clicked on, such as the
    // "Print"/"Scan" buttons, the printer queue items (for expansion) or controls such
    // as the combo box or spin box.
    out property <color> control-secondary: #6284FF;
    out property <color> control-foreground: root.dark-mode ? white : #122F7B;  // FIXME: the night mode color was not part of the design
    out property <color> primary-push-button-base: #6284FF;
    out property <ButtonColors> primary-push-button-colors: {
        base: root.primary-push-button-base,
        pressed: root.primary-push-button-base.darker(40%),
        hovered: root.primary-push-button-base.darker(20%),
    };
    out property <color> secondary-push-button-base: destructive;
    out property <ButtonColors> secondary-push-button-colors: {
        base: root.secondary-push-button-base,
        pressed: root.secondary-push-button-base.darker(40%),
        hovered: root.secondary-push-button-base.darker(20%),
    };

    out property <length> base-font-size: 16px;
    out property <length> button-width: 130px;
    out property <length> button-height: button-width + 30px;
    out property <length> side-bar-width: 67px;
    out property <length> side-bar-margin: 10px;

}

export component Page inherits Rectangle {
    in property <string> header <=> h.text;
    in property <bool> has-back-button: false;

    callback back;

    background: DemoPalette.background;
    // Stop accidentally getting clicks dur to animation only moving page half way offscreen
    visible: self.opacity > 0;

    TouchArea { } // protect underneath controls



    if (root.has-back-button) : Image {
        x:0;
        source: @image-url("images/back.svg");
        image-fit: contain;
        colorize: DemoPalette.control-secondary;
        y: h.y + (h.height - self.height) / 2;
        width: 14px;
        height: 24px;

        TouchArea {
            clicked => { root.back() }

            x: -14px;
            height: 200%;
            width: self.height;
        }
    }

    h := Text {
        font-weight: 900;
        font-size: DemoPalette.base-font-size * 2;
        color: DemoPalette.text-primary;
        y: 46px - self.font-size;
        x: root.has-back-button ? 24px + 16px : 0px;
        // Allow clicking on the title as well to get back easier when just
        // using fingers on a small screen.
        if (root.has-back-button) : TouchArea {
            clicked => { root.back() }
        }
    }
}
export component Label inherits Text {
    color: DemoPalette.text-primary;
    vertical-alignment: center;
    font-weight: 700;
    vertical-stretch: 0;
}

component SquareButton inherits Rectangle {
    in-out property <image> img;

    callback clicked;

    border-radius: 3px;
    border-width: 2px;
    border-color: DemoPalette.secondary;

    touch := TouchArea {
        clicked => {
            root.clicked();
        }
    }

    Image {
        height: 40%;
        width: 40%;
        x: (parent.width - self.width)/2;
        y: (parent.height - self.height)/2;
        source <=> root.img;
        image-fit: contain;
        colorize: DemoPalette.control-secondary;
    }
}

export component SpinBox inherits Rectangle {
    in property <int> minimum;
    in property <int> maximum: 100;
    in-out property <int> value;

    height: 32px;

    HorizontalLayout {
        spacing: 12px;
        padding: 0;

        SquareButton {
            clicked => {
                if (root.value > root.minimum) {
                    root.value -= 1;
                }
            }

            width: root.height - parent.padding * 2;
            img: @image-url("images/minus.svg");
        }

        Rectangle {
            border-radius: 3px;
            border-width: 2px;
            border-color: DemoPalette.secondary;

            Text {
                width: 100%;
                height: 100%;
                vertical-alignment: center;
                horizontal-alignment: center;
                text: root.value;
                color: DemoPalette.control-foreground;
            }
        }

        SquareButton {
            clicked => {
                if (root.value < root.maximum) {
                    root.value += 1;
                }
            }

            width: root.height - parent.padding * 2;
            img: @image-url("images/plus.svg");
        }
    }
}

export component ComboBox inherits Rectangle {
    in-out property <string> value;
    in property <[string]> choices;
    callback selected(int);

    border-radius: 3px;
    border-width: 2px;
    border-color: DemoPalette.secondary;
    height: 32px;
    min-width: label.x + label.width + i.width;
    horizontal-stretch: 1; // Work around #2284

    label := Text {
        vertical-alignment: center;
        horizontal-alignment: left;
        text <=> root.value;
        color: DemoPalette.control-foreground;
        height: 100%;
        x: 12px;
    }

    i := Image {
        source: @image-url("images/down.svg");
        colorize: DemoPalette.control-secondary;
        height: 40%;
        width: self.height;
        image-fit: contain;
        x: parent.width - self.width - self.y;
        y: (parent.height - self.height)/2;
    }

    TouchArea {
        clicked => { popup.show(); }

        width: 100%;
        height: 100%;
    }

    popup := PopupWindow {
        x:0;
        y: root.height;
        width: root.width;

        Rectangle {
            background: DemoPalette.background;
            border-radius: 3px;
            border-width: 2px;
            border-color: DemoPalette.secondary;
        }

        VerticalLayout {
            spacing: 6px;
            padding: 3px;
            function textColor(hashover: bool) -> color {
                if DemoPalette.dark-mode {
                    return DemoPalette.text-primary;
                }
                // if hashover {
                    return DemoPalette.text-primary;
                // }

            }

            for value[idx] in root.choices: Rectangle {
                border-radius: 3px;
                background: item-area.has-hover ? DemoPalette.primary-push-button-colors.hovered : #0000;

                HorizontalLayout {
                    Text {
                        text: value;
                        color: item-area.has-hover ? DemoPalette.push-button-text-color : DemoPalette.text-primary;
                        font-size: DemoPalette.base-font-size;
                    }
                }

                item-area := TouchArea {
                    clicked => {
                        root.value = value;
                        root.selected(idx);
                    }
                }
            }
        }
    }
}

export component CheckBox inherits Rectangle {
    in property <string> text;
    in-out property <bool> checked;

    height: 32px;

    HorizontalLayout {
        spacing: 12px;
        padding: 0;
        SquareButton {
            clicked => { root.checked = !root.checked; }

            width: root.height - parent.padding * 2;
            img: root.checked ? @image-url("images/check.svg") : @image-url("");
        }

        Text {
            text <=> root.text;
            vertical-alignment: center;
            horizontal-alignment: center;
            color: DemoPalette.control-foreground;
            horizontal-stretch: 1;
        }
    }

    TouchArea {
        clicked => {
            root.checked = !root.checked;
        }
    }
}

export component PushButton inherits Rectangle {
    in property <string> text <=> label.text;
    in property <bool> primary: true;
    out property <bool> pressed: touch-area.pressed;
    out property <ButtonColors> colors: root.primary ? DemoPalette.primary-push-button-colors : DemoPalette.secondary-push-button-colors;
    in-out property <image> icon <=> img.source;

    callback clicked;

    border-radius: 13.5px;
    background: root.pressed ? root.colors.pressed : (touch-area.has-hover ? root.colors.hovered : root.colors.base);

    height: 27px; // line-height in the design
    horizontal-stretch: 1;

    HorizontalLayout {
        padding-top: 0px;
        padding-bottom: 0px;
        padding-left: parent.border-radius;
        padding-right: parent.border-radius;

        img := Image {
            horizontal-stretch: 0;
            colorize: DemoPalette.push-button-text-color;
            image-fit: contain;
            width: 17px;
        }

        label := Text {
            font-weight: 900;
            font-size: DemoPalette.base-font-size * 0.975;
            color: DemoPalette.push-button-text-color;
            horizontal-alignment: center;
            vertical-alignment: center;
        }
    }

    touch-area := TouchArea { clicked => { root.clicked() } }
}