const { SlashCommandBuilder, SlashCommandNumberOption } = require("discord.js");

function calculate(desiredPercent, probability, itemsPerRun, minutesPerRun) {
  let result = [];
  //const numberOfRuns = Math.round(
  //  Math.log(1 - desiredPercent) / Math.log(1 - probability)
  //);
  const numberOfItems = Math.log(1 - desiredPercent) / Math.log(1 - probability);
  const numberOfRuns = numberOfItems / itemsPerRun;
  const hoursToGetPercent = (numberOfRuns * minutesPerRun) / 60;
  result.push(`${Math.round(desiredPercent * 100)}%`.padEnd(7, " ")); // prob
  result.push(`${Math.ceil(numberOfItems)}`.padEnd(7, " ")); // items
  result.push(`${Math.ceil(numberOfRuns)}`.padEnd(7, " ")); // runs
  result.push(`${Math.round(hoursToGetPercent)}`.padEnd(7, " ")); // hours
  return result.join("\t") + "\n";
}

let tries = (module.exports = {
  data: new SlashCommandBuilder()
    .setName("howmanyruns")
    .setDescription("How lucky are you?")
    .addStringOption((option) =>
      option
        .setName("probability")
        .setDescription("you can guess")
        .setRequired(true)
    )
    .addNumberOption(
      new SlashCommandNumberOption()
        .setName("items-per-run")
        .setDescription("how many items every run")
        .setRequired(true)
        .setMinValue(1)
    )
    .addNumberOption((option) =>
      option
        .setName("minutes-per-run")
        .setDescription("how long each run takes")
        .setRequired(true)
        .setMinValue(1)
    ),
  async execute(interaction) {
    let strprobability;
    if (interaction.options.getString("probability").split("/")[1] == null) {
      strprobability = parseInt(interaction.options.getString("probability"));
    } else {
      strprobability = parseInt(
        interaction.options.getString("probability").split("/")[1]
      );
    }
    const items = interaction.options.getNumber("items-per-run");
    const probability = 1 / strprobability;
    const minutes = interaction.options.getNumber("minutes-per-run");
    let result = "";
    result += calculate(0.1, probability, items, minutes);
    result += calculate(0.25, probability, items, minutes);
    result += calculate(0.5, probability, items, minutes);
    result += calculate(0.75, probability, items, minutes);
    result += calculate(0.9, probability, items, minutes);
    result += calculate(0.95, probability, items, minutes);
    await interaction.reply(
      `Assuming you get ${items} item(s) per run.\nYou spend ${minutes} minute(s) per run and probability is 1/${strprobability}.\n\`\`\`${"Prob".padEnd(7, " ")}\t${"Items".padEnd(7, " ")}\t${"Runs".padEnd(7, " ")}\tHours\n${result}\`\`\``
    );
  },
});