const fs = require("fs");

const path = require("path");

/**

* Adds a bunch of scripts, like e-01, e-02 to package.json

* so that StackBlitz can run them programmatically via URL

* commands

*/

const packageJsonPath = path.resolve(__dirname, "../package.json");

const packageJson = JSON.parse(fs.readFileSync(packageJsonPath, "utf8"));

const exercises = fs.readdirSync(path.resolve(__dirname, "../src"));

const exerciseFiles = exercises.filter((exercise) =>

exercise.includes(".problem."),

);

const exerciseNames = exerciseFiles.map((exercise) => exercise.split("-")[0]);

const newPackageJson = Object.assign({}, packageJson);

newPackageJson.scripts = {

...packageJson.scripts,

};

exerciseNames.forEach((exercise) => {

newPackageJson.scripts[`e-${exercise}`] = `npm run exercise -- ${exercise}`;

newPackageJson.scripts[`s-${exercise}`] = `npm run solution -- ${exercise}`;

});

fs.writeFileSync(packageJsonPath, JSON.stringify(newPackageJson, null, 2));