import { describe, expect, it, vi } from "vitest";
import type { AbilityDefinition } from "./abilityCatalog";
import {
  ascensionSpellById,
  coaSpellById,
  type CoaProgressionChain,
} from "./coaLiveCatalog";
import { ascensionProgressionAbility } from "./coaAbilityCatalog";

const fixture = vi.hoisted(() => {
  const makeEffect = (effectType: number, triggerSpellId = 0, basePoints = 1) => ({
    index: 0,
    effectType,
    auraType: 0,
    basePoints,
    dieSides: 0,
    pointsPerLevel: 0,
    mechanic: 0,
    implicitTargetA: 6,
    implicitTargetB: 0,
    radiusIndex: 0,
    radius: 0,
    periodMs: 0,
    valueMultiplier: 0,
    chainTargets: 0,
    itemType: 0,
    miscValue: 0,
    miscValueB: 0,
    triggerSpellId,
    pointsPerCombo: 0,
    coefficient: 0,
  });

  const makeDbc = (
    id: number,
    name: string,
    effects: ReturnType<typeof makeEffect>[] = [],
    startRecoveryTimeMs = 1_500,
  ) => ({
    id,
    name,
    rankText: "Rank 1",
    description: `${name} fixture description`,
    categoryId: 0,
    dispelType: 0,
    mechanic: 0,
    attributes: Array(8).fill(0),
    castTimeIndex: 0,
    castTimeMs: 0,
    recoveryTimeMs: 0,
    categoryRecoveryTimeMs: 0,
    interruptFlags: 0,
    auraInterruptFlags: 0,
    channelInterruptFlags: 0,
    procFlags: 0,
    procChance: 0,
    procCharges: 0,
    maxLevel: 80,
    baseLevel: 1,
    spellLevel: 1,
    durationIndex: 0,
    durationMs: 0,
    powerType: 0,
    powerCost: 0,
    powerCostPerLevel: 0,
    powerCostPerSecond: 0,
    powerCostPerSecondPerLevel: 0,
    rangeIndex: 0,
    rangeMin: 0,
    rangeMax: 30,
    projectileSpeed: 0,
    stackAmount: 0,
    equippedItemClass: 0,
    equippedItemSubclassMask: 0,
    equippedItemInventoryMask: 0,
    iconId: 0,
    powerCostPercentage: 0,
    startRecoveryCategory: 0,
    startRecoveryTimeMs,
    maximumTargets: 0,
    damageClass: 0,
    preventionType: 0,
    schoolMask: 1,
    runeCostId: 0,
    powerDisplayId: 0,
    effects,
  });

  const makeLiveSpell = (id: number, name: string, dbc?: ReturnType<typeof makeDbc>) => ({
    id,
    classIds: [11, 27],
    name,
    iconBasename: "fixture",
    level: 1,
    rank: "Rank 1",
    description: `${name} live description`,
    sourceIds: [],
    advancementType: "",
    advancementTabId: 0,
    talented: false,
    excluded: false,
    ...(dbc ? { dbc } : {}),
  });

  const mainSpells = [
    makeLiveSpell(900, "Shared Classic Root", makeDbc(900, "Classic Root", [], 700)),
    makeLiveSpell(910, "Shared Trigger Root", makeDbc(910, "Classic Trigger Root", [makeEffect(64, 920)])),
    makeLiveSpell(920, "Shared First Payload", makeDbc(920, "Classic First Payload", [makeEffect(64, 930)])),
    makeLiveSpell(930, "Shared Nested Payload", makeDbc(930, "Classic Nested Payload", [makeEffect(2)])),
    makeLiveSpell(940, "Shared Missing CoA Base", makeDbc(940, "Area52 Overlay Payload", [makeEffect(2)])),
    { ...makeLiveSpell(950, "Classic Only Root", makeDbc(950, "Classic Only Root", [makeEffect(2)])), classIds: [11] },
  ];
  const coaOverrides = [
    makeLiveSpell(900, "Shared CoA Root", makeDbc(900, "CoA Root", [], 0)),
    makeLiveSpell(910, "Shared CoA Trigger Root", makeDbc(910, "CoA Trigger Root", [makeEffect(64, 920)])),
    makeLiveSpell(920, "Shared CoA First Payload", makeDbc(920, "CoA First Payload", [makeEffect(64, 930)])),
    makeLiveSpell(930, "Shared CoA Nested Payload", makeDbc(930, "CoA Nested Payload", [makeEffect(67)])),
    makeLiveSpell(940, "Shared CoA Missing Base"),
  ];
  const overlayPayload = makeDbc(940, "Area52 Overlay Payload", [makeEffect(2)]);

  return {
    liveData: {
      source: {
        builderUrl: "fixture",
        databaseClassUrl: "fixture",
        realmId: 1,
        realmSlug: "fixture",
        realmName: "Fixture",
        maximumLevel: 80,
        schemaVersion: {},
        synchronizedAt: "2026-01-01T00:00:00.000Z",
        spellDbcPath: "fixture/classic/Spell.dbc",
        supportDbcDirectory: "fixture/support",
      },
      counts: {},
      classes: [],
      entries: [],
      progressionChains: [],
      spells: mainSpells,
      coaSpellOverrides: coaOverrides,
    },
    triggeredCatalog: {
      spells: [overlayPayload],
      classicSpells: [overlayPayload],
    },
  };
});

vi.mock("./coaLiveData.generated.json", () => ({ default: fixture.liveData }));
vi.mock("./generated/coaTriggeredSpellCatalog.json", () => ({ default: fixture.triggeredCatalog }));

function chain(spellId: number): CoaProgressionChain {
  return {
    id: `scope-${spellId}`,
    classId: 11,
    name: `Scope ${spellId}`,
    iconBasename: "fixture",
    talented: false,
    advancementType: "",
    trainer: false,
    ranks: [{ spellId, rank: 1, level: 1 }],
  };
}

function ability(spellId: number, classId: "druid" | "sun-cleric"): AbilityDefinition {
  const classic = classId === "druid";
  const result = ascensionProgressionAbility(
    chain(spellId),
    classId,
    "mana",
    classic ? "ascension-progression" : "coa-progression",
  );
  if (!result) throw new Error(`Fixture spell ${spellId} did not produce an ability`);
  return result;
}

describe("classic and CoA spell source scope", () => {
  it("excludes classic-only records from CoA lookup", () => {
    expect(ascensionSpellById(950)?.dbc?.name).toBe("Classic Only Root");
    expect(coaSpellById(950)).toBeNull();
    expect(ability(950, "druid").effects.some((effect) => effect.kind === "damage")).toBe(true);
    expect(ability(950, "sun-cleric").effects.some((effect) => effect.kind === "damage")).toBe(false);
  });

  it("resolves a shared root spell through separate classic and CoA wrappers", () => {
    expect(ascensionSpellById(900)?.dbc?.name).toBe("Classic Root");
    expect(coaSpellById(900)?.dbc?.name).toBe("CoA Root");

    expect(ability(900, "druid").ranks?.[0].gcdMs).toBe(700);
    expect(ability(900, "sun-cleric").ranks?.[0].gcdMs).toBe(0);
  });

  it("keeps nested triggered payloads in the root spell's class scope", () => {
    const classicEffects = ability(910, "druid").ranks?.[0].effects ?? [];
    const coaEffects = ability(910, "sun-cleric").ranks?.[0].effects ?? [];

    expect(classicEffects).toEqual(expect.arrayContaining([
      expect.objectContaining({ kind: "trigger-spell", spellId: 920 }),
      expect.objectContaining({ kind: "trigger-spell", spellId: 930 }),
      expect.objectContaining({ kind: "damage" }),
    ]));
    expect(classicEffects.some((effect) => effect.kind === "heal")).toBe(false);
    expect(coaEffects).toEqual(expect.arrayContaining([
      expect.objectContaining({ kind: "trigger-spell", spellId: 920 }),
      expect.objectContaining({ kind: "trigger-spell", spellId: 930 }),
      expect.objectContaining({ kind: "heal" }),
    ]));
    expect(coaEffects.some((effect) => effect.kind === "damage")).toBe(false);
  });

  it("does not fall back to classic overlay DBC when a CoA override has no base row", () => {
    expect(ascensionSpellById(940)?.dbc?.name).toBe("Area52 Overlay Payload");
    expect(coaSpellById(940)).toMatchObject({ id: 940, name: "Shared CoA Missing Base" });
    expect(coaSpellById(940)?.dbc).toBeUndefined();

    const classicEffects = ability(940, "druid").ranks?.[0].effects ?? [];
    const coaEffects = ability(940, "sun-cleric").ranks?.[0].effects ?? [];
    expect(classicEffects.some((effect) => effect.kind === "damage")).toBe(true);
    expect(coaEffects.some((effect) => effect.kind === "damage")).toBe(false);
  });
});