'use strict';

const { Posts, Boards } = require(__dirname+'/../../db/')
	, { Permissions } = require(__dirname+'/../../lib/permission/permissions.js')
	, Permission = require(__dirname+'/../../lib/permission/permission.js');

module.exports = async (req, res, next) => {

	let boardReportCountMap = {}; //map of board to open report count
	let globalReportCount = 0; //number of open global reports
	let boardPermissions; //map of board perms
	let userBoards = [];

	let boardReportCounts;
	try {
		userBoards = res.locals.user.ownedBoards.concat(res.locals.user.staffBoards);
		([boardReportCounts, boardPermissions, globalReportCount] = await Promise.all([
			userBoards.length > 0 ? Posts.getBoardReportCounts(userBoards) : [],
			res.locals.user.staffBoards.length > 0 ? Boards.getStaffPerms(res.locals.user.staffBoards, res.locals.user.username) : null,
			res.locals.permissions.get(Permissions.MANAGE_GLOBAL_GENERAL) ? Posts.getGlobalReportsCount() : 0,
		]));
	} catch (err) {
		return next(err);
	}

	if (boardReportCounts && boardReportCounts.length > 0) {
		//make the aggregate array from mongodb to a map
		boardReportCountMap = boardReportCounts.reduce((acc, val) => {
			acc[val._id] = val.count;
			return acc;
		}, boardReportCountMap);
	}

	if (boardPermissions) {
		//calcperms isnt multi-board (but neither is this, really) its alright until then
		boardPermissions = boardPermissions.reduce((acc, bs) => {
			acc[bs._id] = new Permission(bs.staff[res.locals.user.username].permissions.toString('base64'));
			if (acc[bs._id].get(Permissions.MANAGE_BOARD_OWNER)) {
				acc[bs._id].setAll([
					Permissions.MANAGE_BOARD_GENERAL, Permissions.MANAGE_BOARD_BANS, Permissions.MANAGE_BOARD_LOGS, 
					Permissions.MANAGE_BOARD_SETTINGS, Permissions.MANAGE_BOARD_CUSTOMISATION, Permissions.MANAGE_BOARD_STAFF, 
				]);
			}
			return acc;
		}, {});
	}

	res
		.set('Cache-Control', 'private, max-age=5')
		.render('account', {
			csrf: req.csrfToken(),
			user: res.locals.user,
			permissions: res.locals.permissions,
			boardPermissions,
			boardReportCountMap,
			globalReportCount,
		});

};