import { afterEach, describe, expect, it } from "vitest";
import { WAILING_CAVERNS_DEFINITION } from "./dungeons/wailingCaverns";
import referenceData from "./generated/azerothCoreReference.json";
import { WAILING_CAVERNS_STATIC_SPAWNS } from "./mobPopulation";
import {
  useWailingEncounterStore,
  wailingEventSpawns,
  wailingStaticSpawnsForPhase,
} from "./wailingCavernsEncounter";

interface WailingReferenceShape {
  readonly creature: {
    readonly templates: Readonly<Record<string, {
      readonly mechanicImmunities: readonly string[];
    }>>;
  };
  readonly wailingCaverns: {
    readonly requiredBossEntries: readonly number[];
    readonly despawnOnInitializeEntries: readonly number[];
    readonly unsupportedRequiredBossActions: readonly unknown[];
    readonly abilitiesByEntry: Readonly<Record<string, readonly {
      readonly id: string;
      readonly name: string;
      readonly target: string;
      readonly initialCooldownMs: readonly [number, number];
      readonly repeatCooldownMs: readonly [number, number];
      readonly maximumCasts?: number;
      readonly condition: Readonly<Record<string, unknown>>;
      readonly effect: Readonly<Record<string, unknown>>;
    }[]>>;
  };
}

const REFERENCE = referenceData as unknown as WailingReferenceShape;
const deadMob = { dead: true } as never;

describe("AzerothCore-backed Wailing Caverns parity slice", () => {
  afterEach(() => useWailingEncounterStore.getState().reset());

  it("uses exactly the server's eight required bosses and classifies Serpentis as a boss", () => {
    expect(WAILING_CAVERNS_DEFINITION.objectiveOrder.map((boss) => boss.name)).toEqual([
      "Lady Anacondra",
      "Kresh",
      "Lord Cobrahn",
      "Lord Pythas",
      "Skum",
      "Lord Serpentis",
      "Verdan the Everliving",
      "Mutanus the Devourer",
    ]);
    expect(REFERENCE.wailingCaverns.requiredBossEntries).toEqual([
      3671, 3669, 3653, 3670, 3674, 3673, 5775, 3654,
    ]);
    expect(WAILING_CAVERNS_DEFINITION.entities["lord-serpentis"].kind).toBe("boss");
    expect(REFERENCE.wailingCaverns.despawnOnInitializeEntries).toEqual([5912]);
    expect(REFERENCE.wailingCaverns.unsupportedRequiredBossActions).toEqual([]);
  });

  it("imports exact Fanglord targets, health gates, one-shot forms, and cooldown ranges", () => {
    const cobrahn = REFERENCE.wailingCaverns.abilitiesByEntry["3669"];
    expect(cobrahn.find((ability) => ability.id === "spell-9532")).toMatchObject({
      target: "primary",
      initialCooldownMs: [0, 0],
      repeatCooldownMs: [2_400, 3_800],
      effect: { kind: "damage" },
    });
    expect(cobrahn.find((ability) => ability.id === "spell-8040")).toMatchObject({
      target: "random-party",
      initialCooldownMs: [8_000, 11_000],
      repeatCooldownMs: [10_000, 20_000],
      effect: { kind: "control", mechanic: "sleep" },
    });
    expect(cobrahn.find((ability) => ability.id === "spell-5187")).toMatchObject({
      target: "lowest-health-friendly",
      initialCooldownMs: [0, 0],
      repeatCooldownMs: [12_000, 18_000],
      condition: { kind: "friendly-missing-health", amount: 400, range: 40 },
      effect: { kind: "heal" },
    });
    expect(cobrahn.find((ability) => ability.id === "spell-7965")).toMatchObject({
      target: "self",
      maximumCasts: 1,
      condition: { kind: "self-health-percent", minimum: 0, maximum: 30 },
      effect: { kind: "transform", form: "serpent" },
    });
  });

  it("uses imported immunities instead of treating every boss as fear-immune", () => {
    expect(REFERENCE.creature.templates["3653"].mechanicImmunities).not.toContain("fear");
    expect(REFERENCE.creature.templates["3671"].mechanicImmunities).not.toContain("fear");
    expect(REFERENCE.creature.templates["3671"].mechanicImmunities).toContain("sleep");
  });

  it("never gives a server-backed Wailing creature a synthetic Surge", () => {
    const attacks = Object.values(WAILING_CAVERNS_DEFINITION.entities)
      .flatMap((entity) => entity.combat?.attacks ?? []);
    expect(attacks.some((attack) => /surge/i.test(attack.name))).toBe(false);
  });

  it("keeps Faerie Dragon despawned and makes Mutanus event-only", () => {
    const locked = wailingStaticSpawnsForPhase(WAILING_CAVERNS_STATIC_SPAWNS, "locked");
    expect(locked.some((spawn) => spawn.id === "faerie-dragon-spawn")).toBe(false);
    expect(locked.some((spawn) => spawn.id === "mutanus-spawn")).toBe(false);
    const mutanus = wailingStaticSpawnsForPhase(WAILING_CAVERNS_STATIC_SPAWNS, "mutanus");
    expect(mutanus.some((spawn) => spawn.id === "mutanus-spawn")).toBe(true);
  });

  it("gates Naralex behind the Fanglords, summons exact waves, and recovers from soft locks", () => {
    const encounter = useWailingEncounterStore.getState();
    encounter.advance({
      "lady-anacondra-spawn": deadMob,
      "lord-cobrahn-spawn": deadMob,
      "lord-pythas-spawn": deadMob,
      "lord-serpentis-spawn": deadMob,
    }, 1_000);
    expect(useWailingEncounterStore.getState().phase).toBe("ready");
    expect(useWailingEncounterStore.getState().start(2_000)).toBe(true);

    useWailingEncounterStore.getState().advance({}, 10_000);
    expect(useWailingEncounterStore.getState().phase).toBe("ravager-wave");
    expect(wailingEventSpawns("ravager-wave")).toHaveLength(2);

    useWailingEncounterStore.getState().advance({}, 70_001);
    expect(useWailingEncounterStore.getState().phase).toBe("escort-serpents");
    useWailingEncounterStore.getState().advance({}, 82_001);
    expect(useWailingEncounterStore.getState().phase).toBe("serpent-wave");
    expect(wailingEventSpawns("serpent-wave")).toHaveLength(3);

    useWailingEncounterStore.getState().advance({}, 142_002);
    expect(useWailingEncounterStore.getState().phase).toBe("cleansing");
    useWailingEncounterStore.getState().advance({}, 174_502);
    expect(useWailingEncounterStore.getState().phase).toBe("nightmare-wave");
    expect(wailingEventSpawns("nightmare-wave")).toHaveLength(6);

    useWailingEncounterStore.getState().advance({}, 264_503);
    expect(useWailingEncounterStore.getState().phase).toBe("mutanus");
    useWailingEncounterStore.getState().advance({ "mutanus-spawn": deadMob }, 264_504);
    expect(useWailingEncounterStore.getState().phase).toBe("complete");
    expect(useWailingEncounterStore.getState().flags["dungeon-complete"]).toBe(true);
    expect(useWailingEncounterStore.getState().checkpointId).toBe("mutanus-spawn");
  });

  it("restores the Naralex unlock after a checkpoint reload suppresses the cleared Fanglords", () => {
    useWailingEncounterStore.getState().advance({
      "lady-anacondra-spawn": deadMob,
      "lord-cobrahn-spawn": deadMob,
      "lord-pythas-spawn": deadMob,
      "lord-serpentis-spawn": deadMob,
    }, 1_000);
    expect(useWailingEncounterStore.getState()).toMatchObject({
      phase: "ready",
      flags: { "fanglords-complete": true },
    });

    useWailingEncounterStore.getState().reset("checkpoint", 2_000);
    expect(useWailingEncounterStore.getState()).toMatchObject({
      phase: "locked",
      flags: { "fanglords-complete": true },
    });

    // A loaded checkpoint intentionally has no live Fanglord runtime ids: the
    // progression provider has already suppressed those completed bosses.
    useWailingEncounterStore.getState().advance({}, 2_100);
    expect(useWailingEncounterStore.getState().phase).toBe("ready");
  });
});