// Copyright © SixtyFPS GmbH <info@slint.dev>
// SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-2.0 OR LicenseRef-Slint-Software-3.0

import { ChildIndicator, NameLabel, ResettingLineEdit, SecondaryContent } from "./basics.slint";

import { Api, PropertyValue } from "../../api.slint";
import { EditorSpaceSettings } from "../../components/styling.slint";

import { CheckBox } from "std-widgets.slint";

export component StringWidget inherits GridLayout {
    // FIXME: @ogoffart says the plural support is not working at this time, so
    //        we do not offer it in the UI for the time being...

    in property <bool> enabled;
    in property <string> property-name;
    in property <PropertyValue> property-value;
    in property <bool> has-code-action;
    in property <bool> has-reset-action;
    in property <bool> is-translatable: true;

    out property <length> i-am-a-hack-remove-me: 0px;

    property <bool> open: false;

    private property <bool> is-translated;
    private property <string> tr-context-value;

    callback update-display-string(value: string);

    callback code-action();
    callback reset-action();

    callback test-string-binding(text: string, is-translated: bool) -> bool;
    callback set-string-binding(text: string, is-translated: bool);

    function tsb() -> bool {
        return test-string-binding(Api.string-to-code(text-rle.text, self.is-translated, self.tr-context-value, "", ""), self.is-translated);
    }
    function ssb() {
        update-display-string("\"\{text-rle.text}\"");
        set-string-binding(Api.string-to-code(text-rle.text, self.is-translated, self.tr-context-value, "", ""), self.is-translated);
    }

    function apply-value() {
        text_rle.default-text = property-value.value-string;
        self.is-translated = root.property-value.is-translatable;
        self.tr-context-value = root.property-value.tr-context;
    }

    init => {
        self.i-am-a-hack-remove-me = self.preferred-height;

        apply-value();
    }

    private property <bool> child-focus: false;
    private property <bool> has-focus: text_rle.has-focus || self.child-focus;

    changed has-focus => {
        if !has-focus {
            apply-value();
        }
    }

    changed property-value => {
        if !has-focus {
            apply-value();
        }
    }

    spacing-vertical: EditorSpaceSettings.default-spacing;
    width: 100%;

    Row {
        NameLabel {
            col: 1;
            property-name: root.property-name;
            property-value: root.property-value;
        }
    }

    Row {
        childIndicator := ChildIndicator {
            visible: root.is-translatable;
            horizontal-stretch: 0;
            control-hover: text_rle.has-focus;
        }

        content := HorizontalLayout {
            spacing: EditorSpaceSettings.default-spacing;

            text_rle := ResettingLineEdit {
                enabled: root.enabled;
                edited(text) => {
                    self.can-compile = root.tsb();
                }
                accepted(text) => {
                    root.ssb();
                }
            }
        }
    }

    Row {
        sub := SecondaryContent {
            col: 1;

            enabled: root.enabled;
            open: childIndicator.open && root.is-translatable;

            has-code-action <=> root.has-code-action;
            has-reset-action <=> root.has-reset-action;

            code-action() => {
                root.code-action();
            }
            reset-action => {
                root.reset-action();
            }

            VerticalLayout {
                spacing: EditorSpaceSettings.default-spacing;
                tr-cb := CheckBox {
                    checked: root.is-translated;
                    toggled => {
                        root.is-translated = self.checked;
                        root.ssb();
                    }
                    enabled: root.enabled;
                    text: "Translatable";
                }

                HorizontalLayout {
                    spacing: EditorSpaceSettings.default-spacing;

                    Text {
                        vertical-alignment: center;
                        horizontal-alignment: right;
                        text: "Context";
                    }

                    tr-context := ResettingLineEdit {
                        enabled: root.enabled && tr-cb.checked;
                        default-text: root.tr-context-value;
                        edited(text) => {
                            root.tr-context-value = text;
                            self.can-compile = root.tsb();
                        }
                        accepted(text) => {
                            root.tr-context-value = text;
                            root.ssb();
                        }
                        changed has-focus => {
                            root.child-focus = self.has-focus;
                        }
                    }
                }
            }
        }
    }
}