import { readFile, writeFile } from './file.js';

import { ascending } from './utils.js';

const TEAM_QUERY = 'Team';

function byLogin(a, b) {

return ascending(a.login.toLowerCase(), b.login.toLowerCase());

}

function getContact({ login, url, name, email }) {

if (!name) return `* [@${login}](${url})`;

return `* [@${login}](${url}) - ${name}`;

}

function key(org, team) {

return `${org}/${team}`;

}

export default class TeamInfo {

constructor(cli, request, org, team) {

this.cli = cli;

this.request = request;

this.org = org;

this.team = team;

this.members = [];

}

async getMembers() {

const { cli, request, org, team } = this;

cli.startSpinner(`Getting member information of ${org}/${team}`);

const members = await request.gql(TEAM_QUERY, { org, team }, [

'organization', 'team', 'members'

]);

cli.stopSpinner(`Received member information of ${org}/${team}`);

const sorted = members.sort(byLogin);

this.members = sorted;

return sorted;

}

async getMemberContacts() {

const members = await this.getMembers();

return members.map(getContact).join('\n');

}

async listMembers() {

const contacts = await this.getMemberContacts();

this.cli.log(contacts);

}

}

TeamInfo.syncFile = async function(cli, request, input, output) {

output = output || input;

const content = readFile(input);

if (content === '') {

cli.error('input file `' + input + '` is empty or missing');

process.exit(1);

}

const newContent = await TeamInfo.update(cli, request, content);

writeFile(output, newContent);

cli.log(`Updated ${output}`);

};

TeamInfo.update = async function(cli, request, content) {

const RE = new RegExp('<!-- ncu-team-sync\\.team\\((.+)\\/(.+)\\) -->' +

'[\\s\\S]+?' +

'<!-- ncu-team-sync end -->', 'mg');

const blocks = new Map();

let m;

while ((m = RE.exec(content))) {

const [, org, team] = m;

const mapKey = key(org, team);

if (!blocks.get(mapKey)) {

const info = new TeamInfo(cli, request, org, team);

const teamData = await info.getMemberContacts();

const opening = `<!-- ncu-team-sync.team(${org}/${team}) -->`;

const ending = '<!-- ncu-team-sync end -->';

blocks.set(mapKey, `${opening}\n\n${teamData}\n\n${ending}`);

};

}

if (blocks.size === 0) {

throw new Error(

'Could not find blocks matching <!-- ncu-team-sync.team($org/$team)>'

);

}

const RE_CLONE = new RegExp(RE.source, 'mg');

const newContent = content.replace(RE_CLONE,

(match, org, team, offset, string) => blocks.get(key(org, team))

);

return newContent;

};