import { Appsettings } from 'src/app/models/config/appsettings';
import { SoftwareVersion } from './src/app/models/config/software-version';

const jsonFilePath = './src/assets/config.json';

function Main(): void {
    getVersion()
        .then(version => {
            setVersion(version);
        })
        .catch(err => {
            throw err;
        });
}

async function getVersion(): Promise<SoftwareVersion> {
    const util = require('util');
    const exec = util.promisify(require('child_process').exec);

    let major = '0';
    let minor = '0';
    let micro = '0';

    const branch: string = (await exec('git rev-parse --abbrev-ref HEAD')).stdout.toString().trim();
    if (branch.includes('.')) {
        const versions = branch.split('.');
        if (versions.length > 0) {
            major = versions[0];
        }

        if (versions.length > 1) {
            minor = versions[1];
        }

        if (versions.length > 2) {
            micro = versions[2];
        }
    }
    return new SoftwareVersion(major, minor, micro);
}

async function setVersion(version: SoftwareVersion) {
    var fs = require('fs');
    fs.readFile(jsonFilePath, 'utf8', (err, data) => {
        if (err) {
            throw err;
        }
        const settings: Appsettings = JSON.parse(data);
        settings.WebVersion = version;
        fs.writeFile(jsonFilePath, JSON.stringify(settings, null, 4), 'utf8', () => {});
    });
}

Main();