import { describe, expect, it } from "vitest";
import { applyTalentModifierValue, talentModifiersForRanks } from "./talentModifiers";
import {
  WOW335_DRUID_MASTER_SHAPESHIFTER_TALENT_ID,
  wow335DruidMasterShapeshifterModifiersForForm,
  wow335DruidShapeshiftFormForAuraId,
  wow335DruidShapeshiftFormForSpellId,
} from "./wow335DruidMasterShapeshifterRuntime";

describe("WoW Druid Master Shapeshifter runtime", () => {
  it.each([
    [1, 2],
    [2, 4],
  ] as const)("uses the generated rank %i bonus only for its active form", (rank, expectedPercent) => {
    const byForm = {
      bear: wow335DruidMasterShapeshifterModifiersForForm(rank, "bear"),
      cat: wow335DruidMasterShapeshifterModifiersForForm(rank, "cat"),
      moonkin: wow335DruidMasterShapeshifterModifiersForForm(rank, "moonkin"),
      tree: wow335DruidMasterShapeshifterModifiersForForm(rank, "tree-of-life"),
    };

    expect(byForm.bear).toHaveLength(1);
    expect(byForm.bear[0]).toMatchObject({ kind: "damage-percent", amount: expectedPercent, scope: "physical damage" });
    expect(byForm.cat).toHaveLength(1);
    expect(byForm.cat[0]).toMatchObject({ kind: "critical-chance-percent", amount: expectedPercent, scope: "melee critical strike chance" });
    expect(byForm.moonkin).toHaveLength(1);
    expect(byForm.moonkin[0]).toMatchObject({ kind: "damage-percent", amount: expectedPercent, scope: "Arcane and Nature damage" });
    expect(byForm.tree).toHaveLength(1);
    expect(byForm.tree[0]).toMatchObject({ kind: "healing-percent", amount: expectedPercent, scope: "healing" });

    expect(wow335DruidMasterShapeshifterModifiersForForm(rank, null)).toEqual([]);
    expect(talentModifiersForRanks({ [WOW335_DRUID_MASTER_SHAPESHIFTER_TALENT_ID]: rank }, "druid"))
      .toEqual([]);
  });

  it("maps only the supported WoW Druid forms to their talent clauses", () => {
    expect(wow335DruidShapeshiftFormForSpellId(5487)).toBe("bear");
    expect(wow335DruidShapeshiftFormForSpellId(9634)).toBe("bear");
    expect(wow335DruidShapeshiftFormForSpellId(768)).toBe("cat");
    expect(wow335DruidShapeshiftFormForSpellId(24858)).toBe("moonkin");
    expect(wow335DruidShapeshiftFormForSpellId(33891)).toBe("tree-of-life");
    expect(wow335DruidShapeshiftFormForSpellId(65139)).toBe("tree-of-life");
    expect(wow335DruidShapeshiftFormForSpellId(783)).toBeNull();

    expect(wow335DruidShapeshiftFormForAuraId("wow335:9634:bear-form")).toBe("bear");
    expect(wow335DruidShapeshiftFormForAuraId("wow335:24858:moonkin-form")).toBe("moonkin");
    expect(wow335DruidShapeshiftFormForAuraId("custom:783:travel-form")).toBeNull();
  });

  it("applies each modifier through the shared scalar matcher only after form selection", () => {
    const bear = wow335DruidMasterShapeshifterModifiersForForm(2, "bear");
    const cat = wow335DruidMasterShapeshifterModifiersForForm(2, "cat");
    const moonkin = wow335DruidMasterShapeshifterModifiersForForm(2, "moonkin");
    const tree = wow335DruidMasterShapeshifterModifiersForForm(2, "tree-of-life");

    expect(applyTalentModifierValue(100, bear, "damage-percent", { abilityName: "Swipe (Bear)" })).toBe(104);
    expect(applyTalentModifierValue(100, cat, "critical-chance-percent", { abilityName: "Claw" })).toBe(104);
    expect(applyTalentModifierValue(100, moonkin, "damage-percent", { tags: ["nature"] })).toBe(104);
    expect(applyTalentModifierValue(100, moonkin, "damage-percent", { tags: ["fire"] })).toBe(100);
    expect(applyTalentModifierValue(100, tree, "healing-percent", { abilityName: "Rejuvenation" })).toBe(104);
  });
});