/**
 * @author n1474335 [n1474335@gmail.com]
 * @copyright Crown Copyright 2016
 * @license Apache-2.0
 */

import HTMLIngredient from "./HTMLIngredient";

const INFO_ICON = "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";
const REMOVE_ICON = "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";


/**
 * Object to handle the creation of operations.
 */
class HTMLOperation {

    /**
     * HTMLOperation constructor.
     *
     * @param {string} name - The name of the operation.
     * @param {Object} config - The configuration object for this operation.
     * @param {App} app - The main view object for CyberChef.
     * @param {Manager} manager - The CyberChef event manager.
     */
    constructor(name, config, app, manager) {
        this.app         = app;
        this.manager     = manager;

        this.name        = name;
        this.description = config.description;
        this.manualBake  = config.manualBake || false;
        this.config      = config;
        this.ingList     = [];

        for (let i = 0; i < config.args.length; i++) {
            const ing = new HTMLIngredient(config.args[i], this.app, this.manager);
            this.ingList.push(ing);
        }
    }


    /**
     * Renders the operation in HTML as a stub operation with no ingredients.
     *
     * @returns {string}
     */
    toStubHtml(removeIcon) {
        let html = "<li class='operation'";

        if (this.description) {
            html += " data-container='body' data-toggle='popover' data-placement='auto right'\
                data-content=\"" + this.description + "\" data-html='true' data-trigger='hover'";
        }

        html += ">" + this.name;

        if (removeIcon) {
            html += "<img src='data:image/png;base64," + REMOVE_ICON +
                "' class='op-icon remove-icon'>";
        }

        if (this.description) {
            html += "<img src='data:image/png;base64," + INFO_ICON + "' class='op-icon'>";
        }

        html += "</li>";

        return html;
    }


    /**
     * Renders the operation in HTML as a full operation with ingredients.
     *
     * @returns {string}
     */
    toFullHtml() {
        let html = "<div class='arg-title'>" + this.name + "</div>";

        for (let i = 0; i < this.ingList.length; i++) {
            html += this.ingList[i].toHtml();
        }

        html += "<div class='recip-icons'>\
            <div class='breakpoint' title='Set breakpoint' break='false'></div>\
            <div class='disable-icon recip-icon' title='Disable operation'\
                disabled='false'></div>";

        html += "</div>\
            <div class='clearfix'>&nbsp;</div>";

        return html;
    }


    /**
     * Highlights the searched string in the name and description of the operation.
     *
     * @param {string} searchStr
     * @param {number} namePos - The position of the search string in the operation name
     * @param {number} descPos - The position of the search string in the operation description
     */
    highlightSearchString(searchStr, namePos, descPos) {
        if (namePos >= 0) {
            this.name = this.name.slice(0, namePos) + "<b><u>" +
                this.name.slice(namePos, namePos + searchStr.length) + "</u></b>" +
                this.name.slice(namePos + searchStr.length);
        }

        if (this.description && descPos >= 0) {
            // Find HTML tag offsets
            const re = /<[^>]+>/g;
            let match;
            while ((match = re.exec(this.description))) {
                // If the search string occurs within an HTML tag, return without highlighting it.
                if (descPos >= match.index && descPos <= (match.index + match[0].length))
                    return;
            }

            this.description = this.description.slice(0, descPos) + "<b><u>" +
                this.description.slice(descPos, descPos + searchStr.length) + "</u></b>" +
                this.description.slice(descPos + searchStr.length);
        }
    }

}

export default HTMLOperation;