// Copyright © SixtyFPS GmbH <info@slint.dev>
// SPDX-License-Identifier: MIT

import { SpinBox, Button, CheckBox, Slider, GroupBox, StandardListView } from "std-widgets.slint";
import { Label, Page, Preview } from "common.slint";
import { CopyPage } from "copy_page.slint";
import { FaxPage } from "fax_page.slint";
import { PrintPage } from "print_page.slint";
import { SettingsPage } from "settings_page.slint";

component TopPanel inherits Rectangle {
   in-out property <int> active-page: 0;

   callback quit();

   background: white;

    HorizontalLayout {
        alignment: center;
        Text {
            text: "PrintMachine";
            color: root.active-page == 0 ? black : #0000;
            font-size: root.width * 5%;
            horizontal-alignment: center;
            vertical-alignment: center;

            animate color { duration: 200ms; }
        }
        Text {
            text: "2000";
            color: root.active-page == 0 ? #918e8c : #0000;
            font-size: root.width * 5%;
            horizontal-alignment: center;
            vertical-alignment: center;

            animate color { duration: 200ms; }

        }
    }
    power-button := Image {
        x: parent.width - self.width - 20px;
        y: (parent.height - self.height) / 2;
        source: @image-url("images/power.svg");
        width: 5%;
        height: self.width;

        TouchArea {
            clicked => {
                root.quit();
            }
        }
    }
}

struct InkLevel  {
    color: color,
    level: float,
}

export component MainWindow inherits Window {
     /// Note that this property is overwritten in the .cpp and .rs code.
    /// The data is only in this file so it looks good in the viewer
    in-out property <[InkLevel]> ink-levels: [
        {color: #0ff, level: 60%},
        {color: #ff0, level: 80%},
        {color: #f0f, level: 70%},
        {color: #000, level: 30%},
    ];
    /// Aliased to the fax number in the fax page
    in-out property <string> fax-number;
    in-out property <int> active-page: 0;

    callback quit();
    callback fax-number-erase;
    callback fax-send;

    /// That's just a default implementation for the viewer, but the .cpp and .rs code
    /// overwrite that to erase only the last character
    fax-number-erase => { root.fax-number = ""; }

    width: 800px;
    height: 600px;
    title: "Slint printer demo";

    panel := TopPanel {
        quit => { root.quit(); }

        y: 0;
        active-page: root.active-page;
        width: 100%;
        height: 12.5%;
    }

    for page-info[idx] in [
        { color: #1ac80a, text: "Copy", img-small: @image-url("images/replicate.svg") },
        { color: #00c889, text: "Fax", img-small: @image-url("images/laptop.svg") },
        { color: #00bbc8, text: "Print", img-small: @image-url("images/printer.svg") },
        { color: #009dc8, text: "Settings", img-small: @image-url("images/list.svg") },
    ] : Rectangle {
        property <length> w: root.width / 5;

        width: self.w;
        height: root.height / 3;
        y: root.height / 4;
        x: idx * (self.w + (root.width - self.w*4) / 5) + (root.width - self.w*4)/5;
        border-radius: 25px;
        background: page-info.color;

        animate x, y, height, width, background, border-radius {
            duration: 300ms;
            easing: ease-in-out;
        }

        states [
            active when root.active-page == idx + 1: {
                x: 0phx;
                y: 0phx;
                height: root.height * 12.5%;
                width: root.width;
                border-radius: 0px;
                img.x: root.height * 12.5%;
                img.width: root.height * 10%;
                img.height: root.height * 10%;
                text.y: 0phx;
            }
            pressed when root.active-page == 0 && touch.pressed : {
                w: root.width / 5 + 6px;
                height: root.height / 3 + 6px ;
                y: root.height / 4 - 3px;
            }
            invisible when root.active-page > 0 && root.active-page != idx + 1 : {
                color: transparent;
                // FIXME: should probably hide the entire item under with z-ordering
                img.y: 1000000000px;
                text.color: #0000;
            }
        ]

        img := Image {
            y: 5px;
            x: (w - (root.width / 6.25)) / 2;
            width: root.width / 6.25;
            height: root.height / 4.68;
            source: page-info.img-small;

            animate width, height, x, y {
                duration: 300ms;
                easing: ease-in-out;
            }
        }

        text := Text {
            y: root.height / 10;
            x: 5px;
            width: 100%;
            height: 100%;
            horizontal-alignment: center;
            vertical-alignment: center;
            text: page-info.text;
            font-size: 28px;

            animate x, y {
                duration: 300ms;
                easing: ease-in-out;
            }
        }
        touch := TouchArea {
            clicked => {
                if (root.active-page == 0) {
                    root.active-page = idx + 1;
                }
            }
        }
    }

    if (root.active-page != 0) : Rectangle {
        x:0;y:0;
        width: self.height;
        height: 12.5%;

        Text {
            width: 100%;
            height: 100%;
            text: "←";
            color: white;
            font-size: root.height / 10;
            horizontal-alignment: center;
            vertical-alignment: center;
        }

        TouchArea {
            clicked => { root.active-page = 0; }
        }
    }


    Rectangle {
        property <bool> full-screen;

        width: root.width / 5;
        height: root.height / 5;
        x: root.width - self.width - 20px;
        y: root.height - self.height - 20px;
        background: #eee;

        states [
            full-screen when self.full-screen : {
                width: root.width - 35px;
                height: 7/8 * root.height - 40px ;
            }
        ]
        animate width, height { duration: 200ms; easing: ease;  }

        HorizontalLayout {
            spacing: 10px;
            padding: 10px;

            for color-info[idx] in root.ink-levels : Rectangle {
                background: white;

                Rectangle {
                    width: parent.width;
                    height: parent.height * color-info.level;
                    y: parent.height - self.height;
                    background: color-info.color;

                    states [
                        inactive when root.active-page != 0 : {
                            height: 0phx;
                        out  {
                            animate height { duration: 750ms; easing: ease-in-out; }
                        }
                        }
                    ]

                }
            }
        }

        TouchArea {
            clicked => {
                if (root.active-page == 0) {
                    parent.full-screen = !parent.full-screen;
                }
            }
        }
    }

    CopyPage {
        height: root.height - root.height / 8;
        width: 100%;
        y: root.height;

        states [
            active when root.active-page == 1: {
                y: root.height / 8;
            }
        ]
    }

    FaxPage {
        fax-number-erase => { root.fax-number-erase(); }
        fax-send => { root.fax-send(); }

        height: root.height - root.height / 8;
        width: 100%;
        y: root.height;
        fax-number <=> root.fax-number;

        states [
            active when root.active-page == 2: {
                y: root.height / 8;
            }
        ]
    }

    PrintPage {
        height: root.height - root.height / 8;
        width: 100%;
        y: root.height;

        states [
            active when root.active-page == 3: {
                y: root.height / 8;
            }
        ]
    }

    SettingsPage {
        height: root.height - root.height / 8;
        width: 100%;
        y: root.height;

        states [
            active when root.active-page == 4: {
                y: root.height / 8;
            }
        ]
    }
}