import { afterEach, describe, expect, it, vi } from "vitest";

import {
  buildGuideImportDraft,
  charactersFromCombo,
  parseCsv,
  type GuideImportSource,
  type ImportCatalog,
} from "@/lib/guides/google-sheet-import";

afterEach(() => vi.unstubAllGlobals());

describe("Google Sheet guide import", () => {
  it("parses quoted commas, escaped quotes, and multiline cells", () => {
    expect(parseCsv('"name","note"\n"A, B","line 1\nline ""2"""\n')).toEqual([
      ["name", "note"],
      ["A, B", 'line 1\nline "2"'],
    ]);
  });

  it("builds supported compact fields and reports missing catalog rows", async () => {
    const source: GuideImportSource = {
      characterName: "Hero",
      overview: "Guide Hero",
      workbookId: "sheet-id",
      coverId: "cover-id",
      layout: "compact",
      infoSheet: "Hero Info",
      teamSheets: [],
      comboSheets: [],
      weaponMetric: "overall-personal",
    };
    const catalog: ImportCatalog = {
      characters: [{ key: "hero", name: "Hero", constellations: [] }],
      weapons: [{ key: "weapon", name: "Known Weapon" }],
      artifacts: [{ key: "artifact", name: "Known Set" }],
    };
    const rows = Array.from({ length: 24 }, () => Array.from({ length: 21 }, () => ""));
    rows[0][10] = "Weapons อาวุธที่แนะนำ";
    rows[1][11] = "Known Weapon R5";
    rows[1][13] = "110%";
    rows[1][14] = "105%";
    rows[3][11] = "Missing Weapon R1";
    rows[3][13] = "100%";
    rows[5][10] = "Artifacts อาร์ติแฟกต์ที่แนะนำ (เลทเกม)";
    rows[6][11] = "4 Known Set";
    rows[6][13] = "100%";
    rows[8][5] = "ATK (พลังโจมตี)";
    rows[8][6] = "2000+";
    rows[8][7] = "สแตทที่แนะนำ เลทเกม (AR 45+)";
    vi.stubGlobal("fetch", vi.fn(async () => new Response(rows.map((row) => row.map((cell) => `"${cell}"`).join(",")).join("\n"))));

    const draft = await buildGuideImportDraft(source, catalog);

    expect(draft.weapons).toEqual([expect.objectContaining({ weaponKey: "weapon", refinement: 5, overallPercent: 110, personalPercent: 105 })]);
    expect(draft.artifacts.groups[0].rows).toEqual([expect.objectContaining({ firstArtifactKey: "artifact", percent: 100 })]);
    expect(draft.artifacts.targets).toEqual([{ stat: "ATK", value: "2000+" }]);
    expect(draft.skipped).toContain("weapon not in catalog: Missing Weapon R1");
  });

  it("does not fetch or populate a keep-existing source", async () => {
    const fetchMock = vi.fn();
    vi.stubGlobal("fetch", fetchMock);
    const draft = await buildGuideImportDraft({
      characterName: "Yumemizuki Mizuki",
      overview: "existing",
      workbookId: "sheet-id",
      coverId: "cover-id",
      layout: "full",
      infoSheet: "Mizuki Info",
      teamSheets: [],
      comboSheets: [],
      skipWrite: true,
    }, {
      characters: [{ key: "mizuki", name: "Yumemizuki Mizuki", constellations: [] }],
      weapons: [],
      artifacts: [],
    });
    expect(fetchMock).not.toHaveBeenCalled();
    expect(draft.weapons).toEqual([]);
  });

  it("resolves the unique characters named by a combo", () => {
    const characters = ["Yae Miko", "Odette", "Alyosha", "Sandrone"].map((name, index) => ({
      key: String(index),
      name,
      constellations: [],
    }));
    expect(charactersFromCombo("Yae EEE > Odette EE > Alyosha EQ > Sandrone 3CE Q", {
      characters,
      weapons: [],
      artifacts: [],
    }).map((item) => item.name)).toEqual(["Yae Miko", "Odette", "Alyosha", "Sandrone"]);
  });
});