import {
    TabWidget,
    AboutSlint,
    Button,
    LineEdit,
    ListView,
    CheckBox,
    ScrollView,
    GridBox,
    Palette, Spinner, SpinBox,
} from "std-widgets.slint";
import { SettingsView } from "settings.slint";
import { ConnectionStatus, State, SItem } from "state.slint";
export { ConnectionStatus, State, SItem }


component GoodListItem inherits Rectangle {
    in-out property <SItem> item;
    background: Palette.alternate-background;
    border-radius: 8pt;
    border-width: 10pt;
    HorizontalLayout {
        spacing: 8px;
        padding: 8px;

        check := CheckBox {
            checked: root.item.checked;
            toggled() => {
                State.check-item(item.name);
                debug("CheckBox checked: ", self.checked);
            }
        }

        Text {
            opacity: (root.item.checked ? 0.5 : 1.0);
            font-size: 12pt;
            text: root.item.amount;
            width: 30px;
        }

        Text {
            opacity: (root.item.checked ? 0.5 : 1.0);
            font-size: 12pt;
            text: root.item.name;
        }
    }

    input := TouchArea {
        clicked => {
            //root.item.checked = !root.item.checked;
            State.check-item(item.name);
        }
        mouse-cursor: pointer;
    }
}

component PlusMinus inherits HorizontalLayout {
    in property <SItem> item;
    plus := Rectangle {
        Text {
            text: "+";
            font-weight: 800;
            font-size: 16pt;
        }

        background: #ffffff10;
        border-top-left-radius: 10px;
        border-bottom-left-radius: 10px;
        border-color: #00000070;
        border-width: 1px;
        width: self.height;
        plusta := TouchArea {
            clicked => {
                State.inc-amount(item.name);
            }
            mouse-cursor: pointer;
        }
    }

    minus := Rectangle {
        Text {
            text: "-";
            font-weight: 800;
            font-size: 16pt;
        }

        background: #ffffff10;
        border-top-right-radius: 10px;
        border-bottom-right-radius: 10px;
        border-color: #00000070;
        border-width: 1px;
        height: 30px;
        width: self.height;
        minusta := TouchArea {
            clicked => {
                State.dec-amount(item.name);
            }
            mouse-cursor: pointer;
        }
    }

    states [
        plushov when plusta.has-hover: {
            plus.background: #ffffff30;
        }
        minoshov when minusta.has-hover: {
            minus.background: #ffffff30;
        }
    ]
}

component GoodListItemAdd inherits Rectangle {
    in-out property <SItem> item;
    background: Palette.alternate-background;
    border-radius: 8pt;
    border-width: 10pt;
    HorizontalLayout {
        spacing: 8px;
        padding: 8px;
        alignment: start;
        PlusMinus {
            item: item;
        }

        Rectangle {
            height: 30px;
            Text {
                text: root.item.amount;
                font-size: 12pt;
            }
        }

        Rectangle {
            height: 30px;
            Text {
                opacity: (root.item.checked ? 0.5 : 1.0);
                font-size: 12pt;
                text: root.item.name;
            }
        }
    }
}

component GoodsList {
    in property <[SItem]> items;

    ListView {
        mouse-drag-pan-enabled: true;

        for item in items: VerticalLayout {
            GoodListItem {
                item: item;
            }

            Rectangle {
                height: 4pt;
            }
        }
    }
}

component GoodsListAdd {
    in property <[SItem]> items;

    ListView {
        mouse-drag-pan-enabled: true;

        for item in items: VerticalLayout {
            GoodListItemAdd {
                item: item;
            }

            Rectangle {
                height: 4pt;
            }
        }
    }
}

component GoodButtons inherits ScrollView {
    in property <[string]> favorites: ["Mjölk", "Ost", "Ägg", "Bullens", "Oboy", "Mjöl", "Havregryn", "KrosTom"];
    in property <length> button-min-width: 100pt;
    in property <length> button-height: 60pt;
    in property <length> button-spacing: 10pt;

    property <int> count-x: floor(root.width / (button-min-width + button-spacing));
    property <int> count-y: ceil(favorites.length / count-x);
    property <length> button-width: ((self.width + button-spacing ) / count-x) - button-spacing;

    viewport-height: (count-y * (button-height + button-spacing));
    mouse-drag-pan-enabled: true;

    for item[idx] in favorites: Button {
        x: floor(mod(idx, count-x)) * (root.button-width + root.button-spacing);
        y: floor(idx / count-x) * (root.button-height + root.button-spacing);
        width: root.button-width;
        height: root.button-height;
        text: item;
        clicked => {
            State.add-to-list(item);
        }
    }
}

component ConnStatusIndicator inherits Rectangle {
    width: 18px;
    Image {
        states [
            idle when State.connection-status == ConnectionStatus.Idle: {
                opacity: 0%;
            }
            syncing when State.connection-status == ConnectionStatus.Syncing: {
                colorize: green;
                opacity: 75% + 25% * sin(360deg * animation-tick() / 1s);
            }
            error when State.connection-status == ConnectionStatus.Error: {
                colorize: red;
                opacity: 100%;
            }
        ]
        source: @image-url("../images/arrow-down-up.svg");
        width: 24px;
        height: self.width;
    }
}

component RefreshButton inherits HorizontalLayout {
        spacing: 8px;
    alignment: center;
    Button {
        text: "Refresh";
        width: 40%;
        clicked() => {
            State.refresh-list();
        }
    }
    ConnStatusIndicator { }
}

component AddView inherits VerticalLayout {
    in property <[SItem]> list;

    padding: 8px;
    spacing: 8px;

    RefreshButton {}

    goods := GoodsListAdd {
        items <=> list;
    }

    HorizontalLayout {
        height: 42px;
        input := LineEdit {
            font-size: 20px;
            accepted(text) => {
                if text != "" {
                    State.add-to-list(text);
                    input.text = "";
                }
            }
        }

        Rectangle {
            width: 4pt; // spacing
        }

        Button {
            width: self.height;
            text: "+";
            clicked => {
                if input.text != "" {
                    State.add-to-list(input.text);
                    input.text = "";
                }
                input.clear-focus()
            }
        }
    }

    GoodButtons { }
}

component ShopView inherits VerticalLayout {
    in property <[SItem]> list;

    padding: 8px;
    spacing: 8px;

    RefreshButton { }

    goods := GoodsList {
        items <=> list;
    }

    HorizontalLayout {
        padding: 12px;
        Button {
            text: "I am done hehe";
            clicked => {
                State.delete-checked();
            }
        }
    }
}

export component App inherits Window {

    preferred-height: 700px;
    preferred-width: 480px;
    TabWidget {
        Tab {
            title: "Add";
            AddView {
                list <=> State.list;
            }
        }

        Tab {
            title: "Shop";
            ShopView {
                list <=> State.list;
            }
        }

        Tab {
            title: "Settings";
            SettingsView { }
        }
    }
}