import { describe, expect, it } from "vitest";
import generatedData from "./wow335AbilityData.generated.json";
import {
  WOW335_DEATH_KNIGHT_DANCING_RUNE_WEAPON_DURATION_MS,
  WOW335_DEATH_KNIGHT_DANCING_RUNE_WEAPON_AURA,
  WOW335_DEATH_KNIGHT_DANCING_RUNE_WEAPON_ABILITY_ID,
  WOW335_DEATH_KNIGHT_DANCING_RUNE_WEAPON_EXCLUDED_UTILITY_SPELLS,
  WOW335_DEATH_KNIGHT_DANCING_RUNE_WEAPON_DAMAGE_MULTIPLIER,
  WOW335_DEATH_KNIGHT_DEATH_COIL_DAMAGE_SPELL_ID,
  wow335DeathKnightDancingRuneWeaponCanMirrorEvent,
  wow335DeathKnightDancingRuneWeaponDamage,
  wow335DeathKnightDancingRuneWeaponExcludedUtilitySpellForName,
  wow335DeathKnightDancingRuneWeaponIsActive,
  type Wow335DeathKnightDancingRuneWeaponOwnerEvent,
} from "./wow335DeathKnightDancingRuneWeaponRuntime";

describe("WoW Death Knight Dancing Rune Weapon runtime", () => {
  it("uses the sourced 12-second duration and 50% reduced-damage child payload", () => {
    const dancingRuneWeapon = generatedData.classes["death-knight"].find((ability) =>
      ability.ranks.some((rank) => rank.spellId === 49_028),
    );
    const rank = dancingRuneWeapon?.ranks.find((candidate) => candidate.spellId === 49_028);

    expect(rank?.description).toContain("50% reduced damage");
    expect(rank).toMatchObject({ durationMs: 12_000, cooldownMs: 90_000, powerCost: 600 });
    expect(rank?.effects[2]).toMatchObject({
      effectType: 6,
      auraType: 4,
      basePoints: 10,
    });
    expect(WOW335_DEATH_KNIGHT_DANCING_RUNE_WEAPON_DURATION_MS).toBe(12_000);
    expect(WOW335_DEATH_KNIGHT_DANCING_RUNE_WEAPON_DAMAGE_MULTIPLIER).toBe(0.5);
    expect(WOW335_DEATH_KNIGHT_DANCING_RUNE_WEAPON_ABILITY_ID)
      .toBe("wow335-death-knight-dancing-rune-weapon");
    expect(WOW335_DEATH_KNIGHT_DANCING_RUNE_WEAPON_AURA).toMatchObject({
      durationMs: 12_000,
      maxStacks: 1,
      utilityTags: ["wow335-death-knight-dancing-rune-weapon"],
    });
  });

  it("is active at summon and expires exactly at 12 seconds", () => {
    expect(wow335DeathKnightDancingRuneWeaponIsActive(1_000, 1_000)).toBe(true);
    expect(wow335DeathKnightDancingRuneWeaponIsActive(1_000, 12_999)).toBe(true);
    expect(wow335DeathKnightDancingRuneWeaponIsActive(1_000, 13_000)).toBe(false);
    expect(wow335DeathKnightDancingRuneWeaponIsActive(1_000, 999)).toBe(false);
    expect(wow335DeathKnightDancingRuneWeaponIsActive(Number.NaN, 1_000)).toBe(false);
    expect(wow335DeathKnightDancingRuneWeaponIsActive(1_000, Number.POSITIVE_INFINITY)).toBe(false);
  });

  it("allows a living hostile modeled melee event", () => {
    const event: Wow335DeathKnightDancingRuneWeaponOwnerEvent = {
      kind: "melee",
      targetAlive: true,
      targetHostile: true,
    };
    expect(wow335DeathKnightDancingRuneWeaponCanMirrorEvent(event)).toBe(true);
  });

  it("requires a living hostile target for every event kind", () => {
    expect(wow335DeathKnightDancingRuneWeaponCanMirrorEvent({
      kind: "melee",
      targetAlive: false,
      targetHostile: true,
    })).toBe(false);
    expect(wow335DeathKnightDancingRuneWeaponCanMirrorEvent({
      kind: "melee",
      targetAlive: true,
      targetHostile: false,
    })).toBe(false);
    expect(wow335DeathKnightDancingRuneWeaponCanMirrorEvent({
      kind: "spell",
      spellId: 49_895,
      ownerKnowsSpell: true,
      targetAlive: true,
      targetHostile: false,
      isPositiveSpell: false,
      hasSummonEffect: false,
      isAreaTargeted: false,
      actionTargetIsOwner: false,
    })).toBe(false);
  });

  it("requires learned spells except for Death Coil's damage child", () => {
    const event: Wow335DeathKnightDancingRuneWeaponOwnerEvent = {
      kind: "spell",
      spellId: 49_895,
      ownerKnowsSpell: false,
      targetAlive: true,
      targetHostile: true,
      isPositiveSpell: false,
      hasSummonEffect: false,
      isAreaTargeted: false,
      actionTargetIsOwner: false,
    };
    expect(wow335DeathKnightDancingRuneWeaponCanMirrorEvent(event)).toBe(false);
    expect(wow335DeathKnightDancingRuneWeaponCanMirrorEvent({
      ...event,
      spellId: WOW335_DEATH_KNIGHT_DEATH_COIL_DAMAGE_SPELL_ID,
    })).toBe(true);
  });

  it("rejects each source-listed DK utility spell", () => {
    const baseEvent: Wow335DeathKnightDancingRuneWeaponOwnerEvent = {
      kind: "spell",
      spellId: 49_895,
      ownerKnowsSpell: true,
      targetAlive: true,
      targetHostile: true,
      isPositiveSpell: false,
      hasSummonEffect: false,
      isAreaTargeted: false,
      actionTargetIsOwner: false,
    };

    for (const excludedUtilitySpell of WOW335_DEATH_KNIGHT_DANCING_RUNE_WEAPON_EXCLUDED_UTILITY_SPELLS) {
      expect(wow335DeathKnightDancingRuneWeaponCanMirrorEvent({
        ...baseEvent,
        excludedUtilitySpell,
      })).toBe(false);
    }
  });

  it("maps generated spell names to source utility exclusions", () => {
    expect(wow335DeathKnightDancingRuneWeaponExcludedUtilitySpellForName("Death and Decay"))
      .toBe("death-and-decay");
    expect(wow335DeathKnightDancingRuneWeaponExcludedUtilitySpellForName("Anti-Magic Shell"))
      .toBe("anti-magic-shell");
    expect(wow335DeathKnightDancingRuneWeaponExcludedUtilitySpellForName("Death Strike")).toBeUndefined();
  });

  it("rejects positive spells, summons, and repeated area events on secondary targets", () => {
    const baseEvent: Wow335DeathKnightDancingRuneWeaponOwnerEvent = {
      kind: "spell",
      spellId: 49_895,
      ownerKnowsSpell: true,
      targetAlive: true,
      targetHostile: true,
      isPositiveSpell: false,
      hasSummonEffect: false,
      isAreaTargeted: false,
      actionTargetIsOwner: false,
    };

    expect(wow335DeathKnightDancingRuneWeaponCanMirrorEvent({ ...baseEvent, isPositiveSpell: true })).toBe(false);
    expect(wow335DeathKnightDancingRuneWeaponCanMirrorEvent({ ...baseEvent, hasSummonEffect: true })).toBe(false);
    expect(wow335DeathKnightDancingRuneWeaponCanMirrorEvent({
      ...baseEvent,
      isAreaTargeted: true,
      actionTargetIsOwner: false,
    })).toBe(false);
    expect(wow335DeathKnightDancingRuneWeaponCanMirrorEvent({
      ...baseEvent,
      isAreaTargeted: true,
      actionTargetIsOwner: true,
    })).toBe(true);
  });

  it("mirrors an attack at half damage and floors to whole damage", () => {
    expect(wow335DeathKnightDancingRuneWeaponDamage(101)).toBe(50);
    expect(wow335DeathKnightDancingRuneWeaponDamage(100)).toBe(50);
    expect(wow335DeathKnightDancingRuneWeaponDamage(1)).toBe(0);
  });

  it("returns zero for non-positive or non-finite attack damage", () => {
    expect(wow335DeathKnightDancingRuneWeaponDamage(0)).toBe(0);
    expect(wow335DeathKnightDancingRuneWeaponDamage(-2)).toBe(0);
    expect(wow335DeathKnightDancingRuneWeaponDamage(Number.NaN)).toBe(0);
    expect(wow335DeathKnightDancingRuneWeaponDamage(Number.POSITIVE_INFINITY)).toBe(0);
  });
});