import { describe, expect, it } from "vitest";
import {
  wow335DeathKnightWanderingPlagueIsDiseaseTag,
  wow335DeathKnightWanderingPlagueMeleeCritBonusPercentForTalentRanks,
  wow335DeathKnightWanderingPlagueProfileForRank,
  wow335DeathKnightWanderingPlagueProcForDiseaseTick,
} from "./wow335DeathKnightWanderingPlagueRuntime";

describe("WoW Death Knight Wandering Plague runtime", () => {
  it("reads rank damage percentages and tooltip radius from the local talent entry", () => {
    expect([1, 2, 3].map(wow335DeathKnightWanderingPlagueProfileForRank)).toEqual([
      { rank: 1, extraDamagePercent: 33, targetRadiusYards: 8, internalCooldownMs: 1_000 },
      { rank: 2, extraDamagePercent: 66, targetRadiusYards: 8, internalCooldownMs: 1_000 },
      { rank: 3, extraDamagePercent: 100, targetRadiusYards: 8, internalCooldownMs: 1_000 },
    ]);
    expect(wow335DeathKnightWanderingPlagueProfileForRank(0)).toBeNull();
    expect(wow335DeathKnightWanderingPlagueProfileForRank(Number.NaN)).toBeNull();
  });

  it("qualifies only Blood Plague and Frost Fever", () => {
    expect(wow335DeathKnightWanderingPlagueIsDiseaseTag("blood-plague")).toBe(true);
    expect(wow335DeathKnightWanderingPlagueIsDiseaseTag("frost-fever")).toBe(true);
    expect(wow335DeathKnightWanderingPlagueIsDiseaseTag("other-dot")).toBe(false);
    expect(wow335DeathKnightWanderingPlagueIsDiseaseTag(undefined)).toBe(false);
  });

  it("reads only the generated global Death Knight melee-crit talent bonuses", () => {
    expect(wow335DeathKnightWanderingPlagueMeleeCritBonusPercentForTalentRanks({
      "talent-1943": 5,
      "talent-2043": 3,
    })).toBe(8);
    expect(wow335DeathKnightWanderingPlagueMeleeCritBonusPercentForTalentRanks({
      "talent-1943": 2,
      "talent-2043": 0,
      "talent-1945": 3,
      "talent-2082": 2,
    })).toBe(2);
    expect(wow335DeathKnightWanderingPlagueMeleeCritBonusPercentForTalentRanks({
      "talent-1943": Number.NaN,
      "talent-2043": -1,
    })).toBe(0);
  });

  it("uses live melee crit chance, emitted tick damage, and the owner cooldown", () => {
    expect(wow335DeathKnightWanderingPlagueProcForDiseaseTick(
      1, "frost-fever", 100, 5, 0.049, 2_000, 2_000,
    )).toEqual({ extraDamage: 33, targetRadiusYards: 8, nextReadyAt: 3_000 });
    expect(wow335DeathKnightWanderingPlagueProcForDiseaseTick(
      3, "blood-plague", 40, 5, 0.05, 2_000, 2_000,
    )).toBeNull();
    expect(wow335DeathKnightWanderingPlagueProcForDiseaseTick(
      3, "blood-plague", 40, 5, 0, 2_999, 3_000,
    )).toBeNull();
    expect(wow335DeathKnightWanderingPlagueProcForDiseaseTick(
      3, "blood-plague", 40, 5, 0, 3_000, 3_000,
    )).toEqual({ extraDamage: 40, targetRadiusYards: 8, nextReadyAt: 4_000 });
  });

  it("ignores absent ranks, non-disease ticks, zero damage, and invalid inputs", () => {
    expect(wow335DeathKnightWanderingPlagueProcForDiseaseTick(
      0, "blood-plague", 100, 5, 0, 1_000, 0,
    )).toBeNull();
    expect(wow335DeathKnightWanderingPlagueProcForDiseaseTick(
      3, "other-dot", 100, 5, 0, 1_000, 0,
    )).toBeNull();
    expect(wow335DeathKnightWanderingPlagueProcForDiseaseTick(
      3, "frost-fever", 0, 5, 0, 1_000, 0,
    )).toBeNull();
    expect(wow335DeathKnightWanderingPlagueProcForDiseaseTick(
      3, "frost-fever", 100, 0, 0, 1_000, 0,
    )).toBeNull();
    expect(wow335DeathKnightWanderingPlagueProcForDiseaseTick(
      3, "frost-fever", 100, 5, Number.NaN, 1_000, 0,
    )).toBeNull();
  });
});