import { forceArray, xmlSafeColumnName, xmlSafeValue } from './utils';
import * as _ from 'lodash';
import { GoogleSpreadsheet } from './GoogleSpreadsheet';
import { IndexSignature, Links, SpreadsheetRowData } from '../types';

/**
 * TODO: Describe file contents
 */

export class SpreadsheetRow implements IndexSignature {
	private spreadsheet: GoogleSpreadsheet;
	private _xml: string;
	private _links: any;

	// Index signature for rows.
	[k: string]: any; //todo: do we really need this here?

	constructor(
		spreadsheet: GoogleSpreadsheet,
		data: SpreadsheetRowData,
		xml: string,
	) {
		this.spreadsheet = spreadsheet;
		this._xml = xml;

		//todo: This is fucked up yo. Rewrite this to reach into the data object directly
		Object.keys(data).forEach(key => {
			let val = data[key];
			if (key.substring(0, 4) === 'gsx:') {
				if (typeof val === 'object' && Object.keys(val).length === 0) {
					val = null;
				}
				if (key == 'gsx:') {
					this[key.substring(0, 3)] = val;
				} else {
					this[key.substring(4)] = val;
				}
			} else {
				if (key == 'id') {
					this[key] = val;
				} else if (val['_']) {
					this[key] = val['_'];
				} else if (key == 'link') {
					this['_links'] = [];
					val = forceArray(val);
					val.forEach((link: any) => {
						this['_links'][link['$']['rel']] = link['$']['href'];
					});
				}
			}
		});
	}

	save = async () => {
		/*
		API for edits is very strict with the XML it accepts
		So we just do a find replace on the original XML.
		It's dumb, but I couldnt get any JSON->XML conversion to work reliably
		*/

		let data_xml = this['_xml'];
		// probably should make this part more robust?
		data_xml = data_xml.replace(
			'<entry>',
			"<entry xmlns='http://www.w3.org/2005/Atom' xmlns:gsx='http://schemas.google.com/spreadsheets/2006/extended'>",
		);

		Object.keys(this).forEach(key => {
			//@ts-ignore
			if (key.substr(0, 1) != '_' && typeof (this[key] == 'string')) {
				//@ts-ignore
				data_xml = data_xml.replace(
					new RegExp(
						'<gsx:' +
							xmlSafeColumnName(key) +
							'>([\\s\\S]*?)</gsx:' +
							xmlSafeColumnName(key) +
							'>',
					),
					'1<gsx:' +
						xmlSafeColumnName(key) +
						'>' +
						xmlSafeValue(this[key]) +
						'</gsx:' +
						xmlSafeColumnName(key) +
						'>',
				);
			}
		});
		return this.spreadsheet.makeFeedRequest(
			this['_links']['edit'],
			'PUT',
			data_xml,
		);
	};

	del = async () => {
		return this.spreadsheet.makeFeedRequest(
			this['_links']['edit'],
			'DELETE',
			null,
		);
	};
}