angarg12 / nucleogenesis

function reactor(state, data, visibility, util, format) {

  let ct = this;

  ct.state = state;

  ct.data = data;

  ct.visibility = visibility;

  ct.util = util;

  ct.format = format;

  ct.synthesisMultiplier = function (synthesis) {

    let level = state.player.syntheses[synthesis].number;

    return Math.ceil(Math.pow(data.constants.SYNTH_PRICE_INCREASE, level));

  };

  function synthesisPrice(synthesis) {

    let multiplier = ct.synthesisMultiplier(synthesis);

    let price = {};

    let reactant = data.syntheses[synthesis].reactant;

    for (let resource in reactant) {

      price[resource] = reactant[resource] * multiplier;

    }

    return price;

  }

  ct.isSynthesisCostMet = function (synthesis) {

    let price = synthesisPrice(synthesis);

    for (let resource in price) {

      if (state.player.resources[resource].number < price[resource]) {

        return false;

      }

    }

    return true;

  };

  ct.buySynthesis = function (synthesis, number) {

    let i = 0;

    // we need a loop since we use the ceil operator

    while (i < number && ct.isSynthesisCostMet(synthesis)) {

      let price = synthesisPrice(synthesis);

      for (let resource in price) {

        state.player.resources[resource].number -= price[resource];

      }

      state.player.syntheses[synthesis].number += 1;

      i++;

    }

  };

}