import {COperationList} from "./c-operation-list.mjs";

/**
 * c(ustom element)-category-li ( list item )
 */
export class CCategoryLi extends HTMLElement {
    /**
     * @param {App} app - The main view object for CyberChef
     * @param {CatConf} category - The category and operations to be populated.
     * @param {OpConfig[]} operations - The list of operation configuration objects.
     * @param {Boolean} isExpanded - expand the category by default on init or not
     * @param {Boolean} includeOpLiStarIcon - Include the left side 'star' icon to each of the c-category-li >
     * c-operation-list > c-operation-li list items in this category
     */
    constructor(
        app,
        category,
        operations,
        isExpanded,
        includeOpLiStarIcon,
    ) {
        super();

        this.app = app;
        this.category = category; // contains a string[] of operation names under .ops
        this.operations = operations; // opConfig[]
        this.label = category.name;
        this.isExpanded = isExpanded;
        this.includeOpLiStarIcon = includeOpLiStarIcon;

        this.build();

        this.addEventListener("click", this.handleClick.bind(this));
    }

    /**
     * Remove listeners on disconnectedCallback
     */
    disconnectedCallback() {
        this.removeEventListener("click", this.handleClick.bind(this));
    }

    /**
     * Handle click
     *
     * @param {Event} e
     */
    handleClick(e) {
        if (e.target === this.querySelector("button") || e.target === this.querySelector("button > i")) {
            e.stopPropagation(); // stop the event from propagating to the collapsable panel
            this.app.manager.ops.editFavouritesClick(e);
        }
    }

    /**
     * Build c-category-li containing a nested c-operation-list ( op-list )
     *
     * @returns {HTMLElement}
     */
    build() {
        const li = this.buildListItem();
        const a = this.buildAnchor();
        const div = this.buildCollapsablePanel();

        li.appendChild(a);
        li.appendChild(div);
        this.appendChild(li);

        const opList = new COperationList(
            this.app,
            this.category.ops.map(op => [op]),
            this.includeOpLiStarIcon,
            false,
            true
        );

        div.appendChild(opList);
    }

    /**
     * Build the li element
     *
     * @returns {HTMLElement}
     */
    buildListItem() {
        const li = document.createElement("li");

        li.classList.add("category");

        return li;
    }

    /**
     * Build the anchor element
     *
     * @returns {HTMLElement}
     */
    buildAnchor() {
        const a = document.createElement("a");

        a.classList.add("category-title");

        a.setAttribute("data-toggle", "collapse");
        a.setAttribute("data-target", `#${"cat" + this.label.replace(/[\s/\-:_]/g, "")}`);

        a.innerText = this.label;

        if (this.label === "Favourites") {
            const editFavouritesButton = this.buildEditFavouritesButton(a);

            // Note: I'm leaving this here as it was in the code originally, but it's not doing anything and it didn't
            // do anything before my refactoring. I imagine we may want to fix that at some point though,
            // hence I'm leaving this here.
            a.setAttribute("data-help-title", "Favourite operations");
            a.setAttribute("data-help", `<p>This category displays your favourite operations.</p>
            <ul>
                <li><b>To add:</b> Click on the star icon of an operation or drag an operation over the Favourites category on desktop devices</li>
                <li><b>To reorder:</b> Click on the 'Edit favourites' button and drag operations up and down in the list provided</li>
                <li><b>To remove:</b> Click on the 'Edit favourites' button and hit the delete button next to the operation you want to remove</li>
            </ul>`);

            a.appendChild(editFavouritesButton);
        }

        return a;
    }

    /**
     * Build the collapsable panel that contains the op-list for this category
     *
     * @returns {HTMLElement}
     */
    buildCollapsablePanel() {
        const div = document.createElement("div");

        div.setAttribute("id", `${"cat" + this.label.replace(/[\s/\-:_]/g, "")}`);
        div.setAttribute("data-parent", "#categories");

        div.classList.add("panel-collapse");
        div.classList.add("collapse");

        if (this.isExpanded) {
            div.classList.add("show");
        }

        return div;
    }

    /**
     *  If this category is Favourites, build and return the star icon button
     *
     *  @returns {HTMLElement}
     */
    buildEditFavouritesButton() {
        const button = document.createElement("button");
        const icon = document.createElement("i");

        button.setAttribute("id", "edit-favourites");
        button.setAttribute("type", "button");
        button.setAttribute("data-toggle", "tooltip");
        button.setAttribute("title", "Edit favourites");
        button.classList.add("btn");
        button.classList.add("btn-warning");
        button.classList.add("bmd-btn-icon");

        icon.classList.add("material-icons");
        icon.innerText = "star";

        button.appendChild(icon);

        return button;
    }
}

customElements.define("c-category-li", CCategoryLi);