import attributeService from "../services/attributes.js";
import NoteContextAwareWidget from "./note_context_aware_widget.js";
import { t } from "../services/i18n.js";
import type FNote from "../entities/fnote.js";
import type { EventData } from "../components/app_context.js";

type Editability = "auto" | "readOnly" | "autoReadOnlyDisabled";

const TPL = `
<div class="dropdown editability-select-widget">
    <style>
    .editability-dropdown {
        width: 300px;
    }

    .editability-dropdown .dropdown-item {
        display: block !important;
    }

    .editability-dropdown .dropdown-item div {
        font-size: small;
        color: var(--muted-text-color);
        white-space: normal;
    }
    </style>
    <button type="button" data-bs-toggle="dropdown" aria-haspopup="true" aria-expanded="false" class="btn btn-sm dropdown-toggle editability-button">
        <span class="editability-active-desc">${t("editability_select.auto")}</span>
        <span class="caret"></span>
    </button>
    <div class="editability-dropdown dropdown-menu dropdown-menu-right">
        <a class="dropdown-item" href="#" data-editability="auto">
            <span class="check">&check;</span>
            ${t("editability_select.auto")}
            <div>${t("editability_select.note_is_editable")}</div>
        </a>
        <a class="dropdown-item" href="#" data-editability="readOnly">
            <span class="check">&check;</span>
            ${t("editability_select.read_only")}
            <div>${t("editability_select.note_is_read_only")}</div>
        </a>
        <a class="dropdown-item" href="#" data-editability="autoReadOnlyDisabled">
            <span class="check">&check;</span>
            ${t("editability_select.always_editable")}
            <div>${t("editability_select.note_is_always_editable")}</div>
        </a>
    </div>
</div>
`;

export default class EditabilitySelectWidget extends NoteContextAwareWidget {

    private dropdown!: bootstrap.Dropdown;
    private $editabilityActiveDesc!: JQuery<HTMLElement>;

    doRender() {
        this.$widget = $(TPL);

        // TODO: Remove once bootstrap is added to webpack.
        //@ts-ignore
        this.dropdown = bootstrap.Dropdown.getOrCreateInstance(this.$widget.find("[data-bs-toggle='dropdown']"));

        this.$editabilityActiveDesc = this.$widget.find(".editability-active-desc");

        this.$widget.on("click", ".dropdown-item", async (e) => {
            this.dropdown.toggle();

            const editability = $(e.target).closest("[data-editability]").attr("data-editability");

            if (!this.note || !this.noteId) {
                return;
            }

            for (const ownedAttr of this.note.getOwnedLabels()) {
                if (["readOnly", "autoReadOnlyDisabled"].includes(ownedAttr.name)) {
                    await attributeService.removeAttributeById(this.noteId, ownedAttr.attributeId);
                }
            }

            if (editability && editability !== "auto") {
                await attributeService.addLabel(this.noteId, editability);
            }
        });
    }

    async refreshWithNote(note: FNote) {
        let editability: Editability = "auto";

        if (this.note?.isLabelTruthy("readOnly")) {
            editability = "readOnly";
        } else if (this.note?.isLabelTruthy("autoReadOnlyDisabled")) {
            editability = "autoReadOnlyDisabled";
        }

        const labels = {
            auto: t("editability_select.auto"),
            readOnly: t("editability_select.read_only"),
            autoReadOnlyDisabled: t("editability_select.always_editable")
        };

        this.$widget.find(".dropdown-item").removeClass("selected");
        this.$widget.find(`.dropdown-item[data-editability='${editability}']`).addClass("selected");

        this.$editabilityActiveDesc.text(labels[editability]);
    }

    entitiesReloadedEvent({ loadResults }: EventData<"entitiesReloaded">) {
        if (loadResults.getAttributeRows().find((attr) => attr.noteId === this.noteId)) {
            this.refresh();
        }
    }
}