Battle-for-Tismo/client/js/modals/format.js

// Shared formatting helpers for the modal panels.

import { groupDigits } from "../../../shared/text_format.js";
import { policyById, resourceById } from "../../../shared/data.js";
import { marketPriceIndex, resourceMarketValue } from "../../../shared/resources.js";
import { currencySymbol } from "../currency.js";

// The world market's current prices, from the snapshot's market listing.
export function marketPricesFrom(snapshot) {
  const prices = {};
  for (const entry of (snapshot && snapshot.resourceMarket) || []) {
    prices[entry.id] = entry.price;
  }
  return prices;
}

// A fixed money cost quoted at today's market: a cost with no material bill of
// its own is scaled by the global price index, so every euro figure drifts with
// commodity prices.
export function quotedMoney(amount, prices) {
  return Math.round((amount || 0) * marketPriceIndex(prices));
}

// A construction's full price at today's market: the fixed build cost plus the
// market value of its whole material bill, ignoring anything already in store.
export function quotedBuildCost(buildCost, materials, prices) {
  return Math.round((buildCost || 0) + resourceMarketValue(materials, prices));
}

export function formatEffect(effect, level) {
  const value = level <= 0 ? 0 : effect.baseValue * Math.pow(level, effect.exponent);
  switch (effect.stat) {
    case "production":
      return `${value >= 0 ? "+" : ""}${(value * 100).toFixed(1)}% production`;
    case "research":
      return `${value >= 0 ? "+" : ""}${value.toFixed(2)} research/h`;
    case "culture":
      return `${value >= 0 ? "+" : ""}${value.toFixed(2)} culture/h`;
    case "infantry_attack":
      return `${value >= 0 ? "+" : ""}${(value * 100).toFixed(1)}% infantry attack`;
    case "infantry_defense":
      return `${value >= 0 ? "+" : ""}${(value * 100).toFixed(1)}% infantry defense`;
    case "artillery_attack":
      return `${value >= 0 ? "+" : ""}${(value * 100).toFixed(1)}% artillery attack`;
    case "construction_speed":
      return `${value >= 0 ? "+" : ""}${(value * 100).toFixed(1)}% construction speed`;
    case "rail_speed":
      return `${value >= 0 ? "+" : ""}${(value * 100).toFixed(1)}% railway speed`;
    default:
      return `${effect.stat} ${value.toFixed(2)}`;
  }
}

export function effectsText(effects, level) {
  const parts = effects.map((e) => formatEffect(e, level));
  return parts.length > 0 ? parts.join("   ·   ") : "No effect";
}

// The effect line for a building: its stat effects, or, for a utility building
// whose benefit is a rule, a short description of that rule at `level`.
export function buildingEffectText(proto, level) {
  if (proto.effects && proto.effects.length > 0) return effectsText(proto.effects, level);
  switch (proto.mechanic) {
    case "parallel_training":
      return `${1 + level} parallel training line${level === 0 ? "" : "s"}`;
    case "parallel_building":
      return `${1 + level} parallel building line${level === 0 ? "" : "s"}`;
    case "civilian_shelter": {
      const saved = Math.round((proto.civilianProtectionPerLevel || 0) * level * 100);
      return `−${saved}% civilian bombing losses · very hard to destroy`;
    }
    case "air_defense":
      return "Fires one volley at hostile aircraft over the city";
    case "port_production": {
      const per = (proto.productionPerSeaTilePerLevel || 0) * level;
      const food = (proto.foodPerSeaTilePerLevel || 0) * level * 100;
      const parts = [`+${groupDigits(per)} production per person per adjacent sea tile to the region`];
      if (food > 0) parts.push(`+${food.toFixed(1)}% food output per adjacent sea tile`);
      return parts.join("   ·   ");
    }
    case "air_immigration":
      return "Immigration from every other city with an airport";
    default:
      return "No effect";
  }
}

export const SOURCE_LABELS = { building: "building", government: "government", technology: "research" };

export function signedMoney(value) {
  return `${value < 0 ? "−" : "+"}${currencySymbol()}${groupDigits(Math.round(Math.abs(value)))}/h`;
}

// A signed money amount with no period suffix, for the monthly budget report.
export function money(value) {
  return `${value < 0 ? "−" : "+"}${currencySymbol()}${groupDigits(Math.round(Math.abs(value)))}`;
}

export function percent(value) {
  return `${value < 0 ? "−" : "+"}${(Math.abs(value) * 100).toFixed(1)}%`;
}

// Renders one news entry as text. Government actions name the specific actors
// doing them — "French troops", "French scientists" — rather than the nation as
// a whole, and the victim or target is named in the people's form ("the
// Vietnamese").
export function describeNews(entry, civs) {
  const name = (index) => (civs[index] ? civs[index].name : `Nation ${index + 1}`);
  // The attributive form of a nation, for putting before an actor noun. It
  // falls back to the demonym, which doubles as an adjective for most of them;
  // the few person-nouns (New Zealander, New Hampshirite) carry an explicit one.
  const adjective = (index) => {
    const civ = civs[index];
    if (!civ) return `Nation ${index + 1}`;
    return civ.adjective || civ.demonym || civ.name;
  };
  const people = (index) => {
    const civ = civs[index];
    return civ && civ.demonym ? `the ${civ.demonym}` : name(index);
  };
  switch (entry.type) {
    case "war":
      return `${adjective(entry.actor)} leaders have declared war on ${name(entry.target)}`;
    case "capture":
      return `${adjective(entry.to)} troops have captured ${entry.city} from ${people(entry.from)}`;
    case "policy": {
      const policy = policyById(entry.policy);
      const policyName = policy ? policy.name : entry.policy;
      const who =
        civs[entry.ethnicity] && civs[entry.ethnicity].demonym
          ? `the ${civs[entry.ethnicity].demonym}`
          : name(entry.ethnicity);
      return `${adjective(entry.civ)} lawmakers have enacted ${policyName} for ${who}`;
    }
    case "technology":
      return entry.repeatable
        ? `${adjective(entry.civ)} scientists have improved ${entry.name}`
        : `${adjective(entry.civ)} scientists have discovered ${entry.name}`;
    case "join":
      return `${entry.player} took control of ${name(entry.civ)}`;
    case "tariff": {
      const rate = `${(entry.rate * 100).toFixed(1)}%`;
      const resource = entry.resource
        ? (resourceById(entry.resource) ? resourceById(entry.resource).name : entry.resource)
        : "all resources";
      const kind = entry.kind === "export" ? "export tariff" : "import tariff";
      return `${adjective(entry.civ)} leaders set the ${kind} on ${resource} to ${rate}`;
    }
    default:
      return entry.type;
  }
}