import { describe, expect, it } from "vitest";
import { abilityById } from "./abilityCatalog";
import {
  DEFAULT_COMBAT_PRESENTATION_SETTINGS,
  combatEffectManifestEntry,
  combatEffectStyle,
  combatPresentationSessionId,
  emitCombatPresentation,
  normalizeCombatPresentationSettings,
  presentationDeliveryForAbility,
  presentationSchoolForAbility,
  resetCombatPresentationSession,
  subscribeCombatPresentation,
  type CombatPresentationMessage,
} from "./combatPresentation";

describe("combat presentation", () => {
  it("normalizes owner settings without leaking partial or invalid values", () => {
    expect(normalizeCombatPresentationSettings({
      vfxQuality: "low",
      vfxEnabled: { player: false },
      audioEnabled: { enemy: false },
      audioVolume: { player: 2, party: -1, enemy: 0.35 },
    })).toEqual({
      vfxQuality: "low",
      vfxEnabled: { player: false, party: true, enemy: true },
      audioEnabled: { player: true, party: true, enemy: false },
      audioVolume: { player: 1, party: 0, enemy: 0.35 },
    });
    expect(normalizeCombatPresentationSettings(null)).toEqual(DEFAULT_COMBAT_PRESENTATION_SETTINGS);
  });

  it("delivers immutable, exactly-once events and a session reset", () => {
    const messages: CombatPresentationMessage[] = [];
    const unsubscribe = subscribeCombatPresentation((message) => messages.push(message));
    const origin = [1, 2, 3] as [number, number, number];
    const event = emitCombatPresentation({
      occurredAt: 1_000,
      phase: "release",
      actorGroup: "player",
      sourceActorId: "player",
      targetActorId: "mob",
      abilityId: "fixture",
      sourceSpellId: 116,
      name: "Frostbolt",
      source: "wow335",
      school: "frost",
      delivery: "projectile",
      origin,
      targetPosition: [8, 0, 0],
    });
    origin[0] = 99;
    const nextSession = resetCombatPresentationSession();
    unsubscribe();

    expect(messages).toHaveLength(2);
    expect(messages[0]).toEqual({ kind: "event", event });
    expect(event.origin).toEqual([1, 2, 3]);
    expect(messages[1]).toEqual({ kind: "reset", sessionId: nextSession });
    expect(combatPresentationSessionId()).toBe(nextSession);
  });

  it("uses authentic source descriptors and school/delivery fallbacks", () => {
    const frostbolt = abilityById("mage-frostbolt");
    expect(frostbolt).not.toBeNull();
    expect(presentationSchoolForAbility(frostbolt!)).toBe("frost");
    expect(presentationDeliveryForAbility(frostbolt!)).toBe("projectile");
    expect(combatEffectManifestEntry(999_999, "wow335")).toBeNull();
    const style = combatEffectStyle({
      id: 1,
      sessionId: 1,
      occurredAt: 1,
      phase: "release",
      actorGroup: "player",
      sourceActorId: "player",
      abilityId: "mage-frostbolt",
      sourceSpellId: 999_999,
      name: "Frostbolt",
      source: "wow335",
      school: "frost",
      delivery: "projectile",
      origin: [0, 0, 0],
    });
    expect(style.authentic).toBe(false);
    expect(style.sourceModelNames).toEqual([]);
  });
});