import path from 'node:path';

import fs from 'fs-extra';

export const ADD_TO_BARREL_FILE = 'addToBarrelFile';

export function setActionTypes(plop) {

plop.setActionType(ADD_TO_BARREL_FILE, addToBarrelFile);

}

async function addToBarrelFile(answers, config, plop) {

const renderedPath = plop.renderString(config.path, {

...answers,

...config.data

});

const pathToFile = path.isAbsolute(renderedPath) ? renderedPath : path.resolve(plop.getPlopfilePath(), renderedPath);

let fileContents = '';

try {

fileContents = await fs.readFile(pathToFile, 'utf8');

} catch (_) {

fileContents = '';

}

const lines = fileContents.split('\n');

const finalLine = lines.lastIndexOf('');

const updatedLines = [

...lines.slice(0, finalLine),

plop.renderString(config.template, { ...answers, ...config.data }),

''

];

await fs.outputFile(pathToFile, updatedLines.join('\n'));

return `-> ${pathToFile}`;

}