import { describe, expect, it } from "vitest";
import {
  wow335HunterPetArmorForLevel,
  wow335HunterPetArmorForProfile,
  wow335HunterPetBaseDefenseForLevel,
  wow335HunterPetInheritedDefenses,
} from "./wow335HunterPetInheritedDefenseRuntime";
import {
  WOW335_HUNTER_PET_AGILITY_BY_LEVEL,
  WOW335_HUNTER_PET_ARMOR_BY_LEVEL,
} from "./wow335HunterPetDefenseData";

describe("WoW 3.3.5 Hunter pet defensive inheritance source profile", () => {
  it("inherits integer-truncated 35% of owner armor and 40% of each magical-school resistance", () => {
    expect(wow335HunterPetInheritedDefenses(2_001, {
      holy: 10,
      fire: 20,
      nature: 30,
      frost: 40,
      shadow: 50,
      arcane: 60,
    })).toEqual({
      armor: 700,
      resistances: {
        holy: 4,
        fire: 8,
        nature: 12,
        frost: 16,
        shadow: 20,
        arcane: 24,
      },
    });
  });

  it("truncates signed synthetic inputs toward zero and treats non-finite inputs as zero", () => {
    expect(wow335HunterPetInheritedDefenses(Number.NaN, {
      holy: Number.POSITIVE_INFINITY,
      fire: -25,
      nature: 0,
      frost: 0,
      shadow: 0,
      arcane: 0,
    })).toEqual({
      armor: 0,
      resistances: {
        holy: 0,
        fire: -10,
        nature: 0,
        frost: 0,
        shadow: 0,
        arcane: 0,
      },
    });
  });

  it("loads the pinned entry-1 armor and Agility data for levels 1 through 80", () => {
    expect(WOW335_HUNTER_PET_ARMOR_BY_LEVEL).toHaveLength(80);
    expect(WOW335_HUNTER_PET_AGILITY_BY_LEVEL).toHaveLength(80);
    expect(wow335HunterPetBaseDefenseForLevel(1)).toEqual({ level: 1, armor: 20, agility: 20 });
    expect(wow335HunterPetBaseDefenseForLevel(60)).toEqual({ level: 60, armor: 3_814, agility: 100 });
    expect(wow335HunterPetBaseDefenseForLevel(80)).toEqual({ level: 80, armor: 9_784, agility: 158 });
  });

  it("clamps pet level lookup to the supported entry-1 range", () => {
    expect(wow335HunterPetBaseDefenseForLevel(0)).toEqual({ level: 1, armor: 20, agility: 20 });
    expect(wow335HunterPetBaseDefenseForLevel(81)).toEqual({ level: 80, armor: 9_784, agility: 158 });
    expect(wow335HunterPetBaseDefenseForLevel(Number.NaN)).toEqual({ level: 1, armor: 20, agility: 20 });
  });

  it("composes armor with CalculatePct integer conversion and final int32 truncation", () => {
    // Owner armor 1 gives CalculatePct<uint32>(1, 35) == 0. Pet armor is
    // 20 * 1.25 + (20 Agility * 2) + 0.75 flat = 65.75; * 1.01 is
    // truncated by SetArmor(int32(value)) to 66.
    expect(wow335HunterPetArmorForLevel(1, 1, {
      baseArmorMultiplier: 1.25,
      petFlatArmor: 0.75,
      totalArmorMultiplier: 1.01,
    })).toBe(66);

    // The two conversion points remain independently observable when the
    // caller supplies a custom profile instead of entry-1 baseline stats.
    expect(wow335HunterPetArmorForProfile({
      petBaseArmor: 0,
      petAgility: 0,
      ownerArmor: 1,
      petFlatArmor: 0.8,
    })).toBe(0);
    expect(wow335HunterPetArmorForProfile({
      petBaseArmor: 1.25,
      petAgility: 0,
      ownerArmor: 0,
      baseArmorMultiplier: 1,
    })).toBe(1);
  });
});