'use strict';

const { Boards } = require(__dirname+'/../../db/')
	, deleteBoard = require(__dirname+'/../../models/forms/deleteboard.js')
	, dynamicResponse = require(__dirname+'/../../helpers/dynamic.js')
	, alphaNumericRegex = require(__dirname+'/../../helpers/checks/alphanumregex.js')
	, paramConverter = require(__dirname+'/../../helpers/paramconverter.js')
	, { checkSchema, lengthBody, numberBody, minmaxBody, numberBodyVariable,
		inArrayBody, arrayInBody, existsBody } = require(__dirname+'/../../helpers/schema.js');

module.exports = {

	paramConverter: paramConverter({
		trimFields: ['uri'],
	}),

	controller: async (req, res, next) => {

		const errors = [];

		if (!req.body.confirm) {
			errors.push('Missing confirmation');
		}
		if (!req.body.uri) {
			errors.push('Missing URI');
		}
		let board;
		if (alphaNumericRegex.test(req.body.uri) !== true) {
			errors.push('URI must contain a-z 0-9 only');
		} else {
			//no need to check these if the board name is completely invalid
			if (req.params.board != null && req.params.board !== req.body.uri) {
				//board manage page to not be able to delete other boards;
				//req.params.board will be null on global delete, so this wont happen
				errors.push('URI does not match current board');
			}
			try {
				board = await Boards.findOne(req.body.uri)
			} catch (err) {
				return next(err);
			}
			if (!board) {
				//global must check exists because the route skips Boards.exists middleware
				errors.push(`Board /${req.body.uri}/ does not exist`);
			}
		}

		if (errors.length > 0) {
			return dynamicResponse(req, res, 400, 'message', {
				'title': 'Bad request',
				'errors': errors,
				'redirect': req.params.board ? `/${req.params.board}/manage/settings.html` : '/globalmanage/settings.html'
			});
		}

		try {
			await deleteBoard(board._id, board);
		} catch (err) {
			return next(err);
		}

		return dynamicResponse(req, res, 200, 'message', {
			'title': 'Success',
			'message': 'Board deleted',
			'redirect': req.params.board ? '/' : '/globalmanage/settings.html'
		});

	}

}