bitburner-src/src/PersonObjects/Sleeve/ui/CovenantPurchasesRoot.tsx

/**
 * Root React component for the popup that lets player purchase Duplicate
 * Sleeves and Sleeve-related upgrades from The Covenant
 */
import React, { useState } from "react";

import { CovenantSleeveUpgrades } from "./CovenantSleeveUpgrades";

import { Sleeve } from "../Sleeve";
import { BaseCostPerSleeve, MaxSleevesFromCovenant, PopupId } from "../SleeveCovenantPurchases";
import { IPlayer } from "../../IPlayer";

import { PopupCloseButton } from "../../../ui/React/PopupCloseButton";
import { StdButton } from "../../../ui/React/StdButton";
import { Money } from "../../../ui/React/Money";

import { dialogBoxCreate } from "../../../../utils/DialogBox";

interface IProps {
  closeFn: () => void;
  p: IPlayer;
}

export function CovenantPurchasesRoot(props: IProps): React.ReactElement {
  const [update, setUpdate] = useState(0);

  /**
   * Get the cost to purchase a new Duplicate Sleeve
   */
  function purchaseCost(): number {
    return (props.p.sleevesFromCovenant + 1) * BaseCostPerSleeve;
  }

  /**
   * Force a rerender by just changing an arbitrary state value
   */
  function rerender(): void {
    setUpdate(update + 1);
  }

  // Purchasing a new Duplicate Sleeve
  let purchaseDisabled = false;
  if (!props.p.canAfford(purchaseCost())) {
    purchaseDisabled = true;
  }
  if (props.p.sleevesFromCovenant >= MaxSleevesFromCovenant) {
    purchaseDisabled = true;
  }

  function purchaseOnClick(): void {
    if (props.p.sleevesFromCovenant >= MaxSleevesFromCovenant) return;

    if (props.p.canAfford(purchaseCost())) {
      props.p.loseMoney(purchaseCost());
      props.p.sleevesFromCovenant += 1;
      props.p.sleeves.push(new Sleeve(props.p));
      rerender();
    } else {
      dialogBoxCreate(`You cannot afford to purchase a Duplicate Sleeve`, false);
    }
  }

  // Purchasing Upgrades for Sleeves
  const upgradePanels = [];
  for (let i = 0; i < props.p.sleeves.length; ++i) {
    const sleeve = props.p.sleeves[i];
    upgradePanels.push(<CovenantSleeveUpgrades {...props} sleeve={sleeve} index={i} rerender={rerender} key={i} />);
  }

  return (
    <div>
      <PopupCloseButton popup={PopupId} text={"Close"} />
      <p>
        Would you like to purchase an additional Duplicate Sleeve from The Covenant for{" "}
        <Money money={purchaseCost()} player={props.p} />?
      </p>
      <br />
      <p>
        These Duplicate Sleeves are permanent (they persist through BitNodes). You can purchase a total of{" "}
        {MaxSleevesFromCovenant} from The Covenant.
      </p>
      <StdButton disabled={purchaseDisabled} onClick={purchaseOnClick} text={"Purchase"} />
      <br />
      <br />
      <p>
        Here, you can also purchase upgrades for your Duplicate Sleeves. These upgrades are also permanent, meaning they
        persist across BitNodes.
      </p>
      {upgradePanels}
    </div>
  );
}