obartra/ssim

const { readFileSync, readdirSync, writeFileSync } = require('fs');
const { resolve } = require('path');

const targetPath = resolve(__dirname, '../spec/samples/LIVE.json');

function csvToJSON([name, csv]) {
    return     csv
        .split('\n')
        .map(line => line.split(','))
        .map(([reference, file, mssim, reportedMssim]) => ({
            file: `${file}.bmp`,
            mssim,
            reference,
            reportedMssim,
            type: name
        }));
}

const files = readdirSync('.')
    .filter(file => file.endsWith('.csv'))
    .map(file => [file.split('.')[0], resolve(__dirname, file)])
    .map(([name, path]) => [name, readFileSync(path)])
    .map(([name, buffer]) => [name, buffer.toString()])
    .map(csvToJSON);

const jsonContent = [].concat.apply([], files); // eslint-disable-line prefer-spread

writeFileSync(targetPath, JSON.stringify(jsonContent, undefined, '\t'));