import { describe, expect, it } from "vitest";
import {
  WOW335_DEATH_KNIGHT_SUDDEN_DOOM_DEATH_COIL_ABILITY_ID,
  WOW335_DEATH_KNIGHT_SUDDEN_DOOM_TRIGGER_ABILITY_IDS,
  wow335DeathKnightSuddenDoomTriggerForLandedHit,
  wow335DeathKnightSuddenDoomProcChance,
} from "./wow335DeathKnightSuddenDoomRuntime";

describe("WoW Death Knight Sudden Doom source runtime", () => {
  it("reads the generated 5/10/15% rank chances", () => {
    expect([0, 1, 2, 3].map(wow335DeathKnightSuddenDoomProcChance)).toEqual([0, 0.05, 0.1, 0.15]);
  });

  it("returns a one-use free Death Coil instruction on an eligible landed hit at the generated chance", () => {
    for (const triggerAbilityId of WOW335_DEATH_KNIGHT_SUDDEN_DOOM_TRIGGER_ABILITY_IDS) {
      expect(wow335DeathKnightSuddenDoomTriggerForLandedHit(3, triggerAbilityId, "target-1", true, 0))
        .toEqual({
          abilityId: WOW335_DEATH_KNIGHT_SUDDEN_DOOM_DEATH_COIL_ABILITY_ID,
          targetId: "target-1",
          free: true,
        });
    }
    expect(wow335DeathKnightSuddenDoomTriggerForLandedHit(
      1,
      WOW335_DEATH_KNIGHT_SUDDEN_DOOM_TRIGGER_ABILITY_IDS[0],
      "target-1",
      true,
      0.05,
    )).toBeNull();
    expect(wow335DeathKnightSuddenDoomTriggerForLandedHit(
      3,
      "wow335-death-knight-obliterate",
      "target-1",
      true,
      0,
    )).toBeNull();
  });

  it("does not proc on misses, targetless events, absent ranks, or invalid rolls", () => {
    const bloodStrike = WOW335_DEATH_KNIGHT_SUDDEN_DOOM_TRIGGER_ABILITY_IDS[0];
    expect(wow335DeathKnightSuddenDoomTriggerForLandedHit(3, bloodStrike, "target-1", false, 0)).toBeNull();
    expect(wow335DeathKnightSuddenDoomTriggerForLandedHit(3, bloodStrike, null, true, 0)).toBeNull();
    expect(wow335DeathKnightSuddenDoomTriggerForLandedHit(0, bloodStrike, "target-1", true, 0)).toBeNull();
    expect(wow335DeathKnightSuddenDoomTriggerForLandedHit(3, bloodStrike, "target-1", true, -0.01)).toBeNull();
    expect(wow335DeathKnightSuddenDoomTriggerForLandedHit(3, bloodStrike, "target-1", true, Number.NaN)).toBeNull();
  });
});