import { describe, expect, it } from "vitest";
import { abilitiesForClass } from "./abilityCatalog";
import { channelAmountEffects } from "./combatChannelAmounts";

describe("channel amount expansion", () => {
  it("spreads a normal channel's full amount across its pulses", () => {
    const ability = abilitiesForClass("mage")[0];
    const effects = channelAmountEffects({ ...ability, effects: [
      { kind: "damage", coefficient: 1, basePoints: 100 },
      { kind: "dot", coefficient: 1, ticks: 5, intervalMs: 1_000, tag: "channel" },
    ] }, 5);
    expect(effects.map(({ multiplier }) => multiplier)).toEqual([0.2, 1]);
  });

  it("uses the authored periodic payload for Radiant Flame", () => {
    const ability = abilitiesForClass("sun-cleric").find((candidate) => candidate.name === "Radiant Flame")!;
    const amounts = channelAmountEffects(ability, 5);
    expect(amounts).toHaveLength(1);
    expect(amounts[0]).toMatchObject({ effect: { kind: "damage", basePoints: 1 }, multiplier: 1 });
    const conditional = { ...ability, effects: ability.effects.map((effect) => effect.kind === "apply-aura"
      ? { ...effect, aura: { ...effect.aura, procs: effect.aura.procs?.map((proc) => ({ ...proc, chance: 0.5 })) } }
      : effect) };
    expect(channelAmountEffects(conditional, 5)).toEqual([]);
  });
});