import { IQueryStatics } from '../common/IQueryStatics';
import { IBuildConfig, ISettings, ILoadConfig } from "../common/IConfig";
import { IDriver } from '../common/IDriver';
import { JsdomQuery } from './JsdomQuery';
import { NetworkDriver } from '../fetch/NetworkDriver';
import { JSDOM } from 'jsdom'
import { IQuery } from '../common/IQuery';
import { SelectorsEx } from '../common/SelectorsEx';

export interface IJsdomBuildConfig extends IBuildConfig {
    name: 'jsdom',
    html?: string,
    fragment?: boolean
}

export const JsdomDriver: IQueryStatics = {
    fromHtml (html: string) {
        return JsdomDriver.build({ html });
    },
    build(config: IJsdomBuildConfig): IQuery<Element> {
        let html = config.html;
        let jsdom = new JSDOM(html);
        let el: any = jsdom.window.document;
        let isDocument = true;
        if (/^\s*<(?!(!?DOCTYPE|html))/i.test(html)) {
            isDocument = false;
        }
        if (config.fragment === true) {
            isDocument = false;
        }

        if (isDocument === false) {
            el = Array.from(el.body.children);
        }

        let query = new JsdomQuery(el);
        return query;
    },
    load(url: string, config: IJsdomBuildConfig): IQuery<Element> {
        let query = JsdomQuery.newAsync();

        NetworkDriver
            .load(url, config)
            .then(
                resp => {
                    let jsdom = new JSDOM(resp.body.toString());
                    query.add(jsdom.window.document);

                    query.resolve(query);
                },
                error => {
                    query.reject(error)
                }
            );

        return query;
    },
    fetch(url: string, config: IBuildConfig, setts?: ISettings) {
        return this.load(url, config, setts);
    },
    setDriver(driver: IDriver) {
        throw new Error('JSDOM does not support driver');
    },
    getDriver(config: IBuildConfig, setts?: ISettings): Promise<IDriver> {
        throw new Error('JSDOM does not support driver');
    },
    unlockDriver(mix) {
        throw new Error('JSDOM does not support driver');
    },
    pseudo: SelectorsEx.pseudoFns
};