angarg12 / nucleogenesis

'use strict';

const jsonfile = require('jsonfile');

const template = require('lodash.template');

const crypto = require('crypto');

const fs = require('fs');

let achievements = jsonfile.readFileSync('build/data/achievements.json');

let unlocks = jsonfile.readFileSync('build/data/unlocks.json');

let achievementService = fs.readFileSync('build/scripts/component/achievements.js').toString();

const FUNCTION_TEMPLATE = `this.<%= name %> = function (player){

  return <%= progress %>;

};`;

let functionTemplate = template(FUNCTION_TEMPLATE);

// convert conditions to progress, to normalise the implementation

function conditionToProgress(source){

  for(let i in source){

  let achievement = source[i];

    if(typeof achievement.condition === 'undefined') {

      continue;

    }

    if(achievement.condition.constructor === Array){

      achievement.condition = achievement.condition.join('\n');

    }

    achievement.progress = '('+achievement.condition+') ? 1 : 0';

    achievement.goals = [1];

    delete achievement.condition;

  }

}

function createFunctions(source){

  for(let i in source){

    let achievement = source[i];

    if(achievement.progress.constructor === Array){

      achievement.progress = achievement.progress.join('\n');

    }

    let name = '_'+crypto.createHash('md5').update(achievement.progress).digest('hex');

    functions[name] = functionTemplate({ 'name': name, 'progress': achievement.progress });

    // we overwrite progress with the name

    source[i].progress = name;

  }

}

let functions = {};

conditionToProgress(achievements);

conditionToProgress(unlocks);

createFunctions(achievements);

createFunctions(unlocks);

let concatFunctions = '';

for(let i in functions){

  concatFunctions += functions[i]+'\n';

}

let serviceTemplate = template(achievementService);

fs.writeFileSync('build/scripts/component/achievements.js', serviceTemplate({'functions': concatFunctions}));

jsonfile.writeFileSync('build/data/achievements.json', achievements, {

  spaces: 2

});

jsonfile.writeFileSync('build/data/unlocks.json', unlocks, {

  spaces: 2

});