import { HTMLWidget, Meta, Widget } from "@hpcc-js/common";
import * as marked from "marked";

export class PublishedProperties extends HTMLWidget {

    constructor() {
        super();
    }

    infostring(): string {
        return this.data()[0][0];
    }

    text(): string {
        return this.data()[0][1];
    }

    parseClassID(classID: string): [string, string] {
        const [moduleName, className] = classID.split("_");
        return [`@hpcc-js/${moduleName}`, className];
    }

    extends(w: Widget): [string, string] {
        const classParts = w.class().split(" ");
        classParts.pop();
        return this.parseClassID(classParts.pop());
    }

    update(domNode, element) {
        super.update(domNode, element);
        const [module, widget] = this.infostring().split(":");
        import(module).then(mod => {
            const md: string[] = [];
            const w = new mod[widget]();
            const derivedFrom = this.extends(w);
            md.push(`Derived from:  ${derivedFrom[1]} (${derivedFrom[0]})\n`);
            md.push("Published properties act as both getter and setter methods. If a value is passed as an argument the property will be set and the widgets' context will be returned allowing these properties to be chained as seen in the above code.\n");
            const pp: Meta[] = w.publishedProperties(false, true);
            md.push("|Property|Type|Optional?|Default|Description|");
            md.push("|--------|----|---------|-------|-----------|");
            pp.forEach(meta => {
                let setStr = "";
                if (meta.type === "set") {
                    try {
                        const set = typeof meta.set === "function" ? meta.set() : meta.set;
                        setStr = `<br/> _**Potential values include:**_ "${set.join('", "')}"`;
                    } catch (e) {
                        setStr = "<br/> _**Potential values include:**_ generated by a runtime function";
                    }
                }
                let defaultValue = meta.defaultValue;
                if (typeof defaultValue === "object" ) {
                    try {
                        defaultValue = JSON.stringify(defaultValue);
                    } catch (e) {
                        // console.log(e);
                    }
                }
                md.push(`|${meta.id}|${meta.type}|${!!meta.ext.optional}|${defaultValue}|${meta.description}${setStr}|`);
            });
            element.html(marked(md.join("\n")));
        });
    }
}
PublishedProperties.prototype._class = "";