// Covert operations a spy may run abroad. The ids are shared by the client
// (to label the Intelligence tab's operations) and, in time, the server (to
// validate the orders), so they live here rather than in the view.
//
// Intelligence Agencies unlocks the spy and every operation below;
// Counter-Intelligence is the defence against them.

export const SPY_SABOTAGE = "sabotage";
export const SPY_CITY = "city_spying";
export const SPY_COMMS = "comms_spying";

// Covert-operation tuning. A sabotage cripples the tile the spy stands on for a
// week; the tile's production is zeroed, not the physical resource trade, which
// mirrors how pillaging already marks a tile (see `productionFactors`).
export const SABOTAGE = {
  blockDays: 7,
};

// Espionage tuning: how the intelligence agencies and their counter-intelligence
// rivals decide who gets blamed, what a spy report really contains, and how
// easily a secret leaks.
export const ESPIONAGE = {
  // The chance a victim correctly pins a covert act on its author, before the
  // two nations' services shift it. A counter-intelligence service raises it;
  // the author's own agencies lower it.
  baseIdentifyChance: 0.5,
  counterIntelligenceWeight: 0.45,
  agencyWeight: 0.2,
  // When the author is not identified and chose a scapegoat, how often the
  // victim swallows the false flag. A correct blame and a successful frame are
  // deliberately indistinguishable to the victim.
  frameChance: 0.6,
  // The extra chance, per level of the target's counter-intelligence, that a
  // spy's city report is quietly falsified.
  falsifyChance: 0.7,
  // The extra chance, per level, that intercepted comms come back garbled.
  garbleChance: 0.6,
  // Covert operations spend their operatives, so the only way to stack the odds
  // against a counter-intelligence service is to send more spies: each operative
  // beyond the first cancels this much of the target's counter-intelligence.
  // Three spies (two extra) beat a full service outright.
  agentsPerCounter: 0.5,
  // How many recent messages comms spying reveals.
  interceptCount: 8,
  // How many reports a nation keeps for its Intelligence tab.
  reportLimit: 20,
  // How many chat lines the server keeps for comms spying.
  messageLogLimit: 400,
  // The chance a nation with Intelligence Agencies is warned when another nation
  // raises its first uranium enrichment centre.
  enrichmentWarningChance: 0.5,
};

// Spy satellites: a launch is free once the (very expensive) space launch centre
// stands, and each satellite uncovers a random patch of the world on a cadence.
// A centre sustains this many satellites for every level it has, one each by
// default.
export const SATELLITE = {
  revealEveryDays: 2,
  revealRadius: 2,
  perLaunchCentreLevel: 1,
};

// `description` is the reference text the Intelligence tab shows, not a
// rules summary: the mechanics are applied server-side (see INTELLIGENCE.md).
// The kinds of report a spy brings home. Kept as ids so the model and the view
// can name them without magic strings.
export const SPY_REPORT_CITY = "city";
export const SPY_REPORT_COMMS = "comms";

// Every operation spends the acting spies: a spy is single-use, so only one
// operation is ever run per operative. A larger stack improves the odds against
// counter-intelligence (see ESPIONAGE.agentsPerCounter).
export const SPY_OPERATIONS = [
  {
    id: SPY_SABOTAGE,
    name: "Sabotage",
    get description() {
      return `Cripple a tile's production for ${SABOTAGE.blockDays} days. The act may be pinned on another nation, or on no one at all. Spends the spies.`;
    },
  },
  {
    id: SPY_CITY,
    name: "Spy on a city",
    description:
      "Read a foreign city's buildings, garrison and stores. A counter-intelligence service can feed back false figures. Spends the spies.",
  },
  {
    id: SPY_COMMS,
    name: "Intercept communications",
    description:
      "Read a nation's recent private messages from its capital. Counter-intelligence can garble or redirect them. Spends the spies.",
  },
];