import { describe, expect, it } from "vitest";
import { parseTalentModifiers } from "./talentModifiers";
import { ROM_ALL_ABILITIES } from "./romAbilityCatalog";

function priestSkill(sourceSkillId: number) {
  const ability = ROM_ALL_ABILITIES.find((entry) => entry.dbcSpellId === sourceSkillId);
  if (!ability) throw new Error(`Missing Priest source skill ${sourceSkillId}`);
  return ability;
}

describe("current CoA Priest catalog reworks", () => {
  it("models Beacon of Regeneration as one 30-second friendly target mark and preserves local costs", () => {
    const ability = priestSkill(498620);
    expect(ability).toMatchObject({
      name: "Beacon of Regeneration",
      classId: "rom-priest",
      secondaryClassId: "rom-champion",
      target: "friendly",
      castMode: "instant",
      castTimeMs: 0,
      cooldownMs: 30_000,
      range: { max: 20 },
      cost: { resource: "mana", amount: 29 },
    });
    expect(ability.costs).toEqual([
      { resource: "mana", amount: 29 },
      { resource: "mana", amount: 1, percentage: true },
    ]);
    expect(ability.effects).toHaveLength(1);
    expect(ability.effects[0]).toMatchObject({
      kind: "apply-aura",
      recipient: "ability-target",
      triggerSpellId: 498_620,
      aura: {
        name: "Beacon of Regeneration",
        durationMs: 30_000,
        utilityTags: ["rom-priest-champion-beacon-of-regeneration"],
      },
    });
    expect(ability.description).toContain("770 at skill level +105 (the maximum)");
    expect(ability.description).toContain("applies this value at every unlocked rank");
    expect(ability.ranks?.[0]?.effects).toEqual(ability.effects);
  });

  it("models 490274 as a passive Wisdom and Light-damage aura", () => {
    const ability = priestSkill(490274);
    expect(ability).toMatchObject({
      name: "Holy Blessing",
      passive: true,
      target: "self",
      castMode: "instant",
      castTimeMs: 0,
      cooldownMs: 0,
      range: { max: 1 },
    });
    expect(ability.effects).toHaveLength(1);
    expect(ability.effects[0]).toMatchObject({
      kind: "apply-aura",
      recipient: "caster",
      triggerSpellId: 490_274,
      aura: {
        durationMs: null,
      },
    });
    const aura = ability.effects[0].kind === "apply-aura" ? ability.effects[0].aura : undefined;
    expect(aura?.modifiers).toEqual(expect.arrayContaining([
      { kind: "stat", stat: "wisdom", operation: "flat", value: 115 },
      { kind: "stat", stat: "wisdom", operation: "percent", value: 0.105 },
      expect.objectContaining({ kind: "damage", direction: "dealt", school: "holy", operation: "percent" }),
    ]));
    const lightDamage = aura?.modifiers?.find((modifier) => modifier.kind === "damage");
    if (lightDamage?.kind !== "damage") throw new Error("Missing Holy Blessing Light damage modifier");
    expect(lightDamage.value).toBeCloseTo(1.009);
    expect(ability.ranks?.[0]?.effects).toEqual(ability.effects);
    expect(ability.description).toContain("Wisdom bonus: (current Wisdom + 115) × 10.5% + 115");
    expect(ability.description).toContain("Light Damage bonus: +100.9%");
    expect(parseTalentModifiers(ability.description)).toEqual([]);
  });

  it("models Vow of Silence's interrupt and NPC silence duration with current spell data", () => {
    const ability = priestSkill(490275);
    expect(ability).toMatchObject({
      name: "Vow of Silence",
      target: "hostile",
      castMode: "instant",
      castTimeMs: 0,
      cooldownMs: 18_000,
      range: { max: 150 },
      cost: { resource: "mana", amount: 120 },
    });
    expect(ability.effects).toEqual(expect.arrayContaining([
      expect.objectContaining({ kind: "interrupt", lockoutMs: 8_400 }),
      expect.objectContaining({
        kind: "apply-aura",
        control: { kind: "silence" },
        aura: expect.objectContaining({ durationMs: 8_400 }),
      }),
    ]));
    expect(ability.description).toContain("8.4 seconds");
    expect(ability.description).toContain("4.2 seconds against players");
    expect(ability.ranks?.[0]?.description).toContain("Vow of Silence");
  });

  it("models Holy Void's flat Light hit and 20-second dual-defense reduction", () => {
    const ability = priestSkill(490276);
    expect(ability).toMatchObject({
      name: "Holy Void",
      target: "hostile",
      castMode: "instant",
      castTimeMs: 0,
      cooldownMs: 18_000,
      range: { max: 150 },
      cost: { resource: "mana", amount: 10, percentage: true, percentageBasis: "base-mana" },
    });
    expect(ability.effects).toEqual(expect.arrayContaining([
      expect.objectContaining({ kind: "damage", basePoints: 1_655, school: "holy" }),
      expect.objectContaining({
        kind: "apply-aura",
        aura: expect.objectContaining({
          name: "Voidal Infection",
          durationMs: 20_000,
          modifiers: expect.arrayContaining([
            { kind: "stat", stat: "physical-defense", operation: "percent", value: -0.188 },
            { kind: "stat", stat: "magical-defense", operation: "percent", value: -0.188 },
          ]),
        }),
      }),
    ]));
  });

  it("models Heart Rune Energy's caster-centered damage and cooldown reduction", () => {
    const ability = priestSkill(498612);
    expect(ability).toMatchObject({
      name: "Heart Rune Energy",
      target: "self",
      castMode: "instant",
      castTimeMs: 0,
      cooldownMs: 12_000,
      range: { max: 150 },
      radius: 80,
      targeting: { shape: "circle", radius: 80 },
      cost: { resource: "rage", amount: 15 },
    });
    expect(ability.effects).toEqual(expect.arrayContaining([
      expect.objectContaining({ kind: "damage", coefficient: 9.751, school: "holy" }),
      expect.objectContaining({
        kind: "cooldown-reset",
        mode: "reduce",
        abilityName: "Blessing of Humility",
        amountMs: 15_000,
      }),
    ]));
    expect(ability.description).toContain("975.1% CPS Light Damage");
    expect(ability.description).toContain("15 seconds");
    expect(ability.ranks?.[0]?.effects).toEqual(ability.effects);
  });
});