import { describe, expect, it } from "vitest";
import ExcelJS from "exceljs";
import { readSpreadsheet } from "@/infra/spreadsheet/parse";
import { createModel, addSource, createJob, saveMappings, startProcess } from "@/server/spreadsheet-adapter/service";
import { ctxOf, createReadyDb, depsOf, IDS } from "../helpers/world";

describe("fixtures XLSX", () => {
  it("lê abas, fórmula como texto, data, coluna vazia e caracteres especiais sem executar fórmula", async () => {
    const book = new ExcelJS.Workbook();
    const first = book.addWorksheet("Dados");
    first.addRow(["Nome", "Valor", ""]);
    first.getCell("A2").value = "José & Ação";
    first.getCell("B2").value = new Date("2026-01-15T00:00:00.000Z");
    first.mergeCells("A3:B3");
    first.getCell("A3").value = "=1+1";
    book.addWorksheet("Outra").addRow(["ignorar"]);
    const bytes = Buffer.from(await book.xlsx.writeBuffer());
    const parsed = await readSpreadsheet("livro.xlsx", bytes, { sheet: "Dados", headerRow: 1 });
    expect(parsed.grid.sheetNames).toContain("Outra");
    expect(parsed.grid.headers).toContain("Nome");
    const flat = parsed.grid.rows.flat().join("|");
    expect(flat).toContain("José & Ação");
    expect(flat).not.toMatch(/^2$/);
    expect(flat).toContain("=1+1");
  });

  it("não altera os bytes do modelo ao processar", async () => {
    const db = await createReadyDb();
    const deps = depsOf(db);
    const ana = ctxOf("ana", "alpha", "owner", true);
    const model = await createModel(deps, ana, {
      name: "Livro",
      filename: "modelo.csv",
      bytes: Buffer.from("Nome\n", "utf8"),
      requiredColumns: ["Nome"],
    });
    const before = await deps.storage.get(`workspaces/${IDS.alpha}/models/${model.id}/original`);
    const job = await createJob(deps, ana, model.id, "xlsx-model");
    const source = await addSource(deps, ana, job.id, { filename: "fonte.csv", bytes: Buffer.from("Nome\nJosé\n", "utf8") });
    if (!("job" in source)) throw new Error("fonte");
    const sourceId = source.job.sources[0]?.id ?? "";
    await saveMappings(deps, ana, job.id, sourceId, [{ sourceColumn: "Nome", modelColumn: "Nome" }]);
    await startProcess(deps, ana, job.id, sourceId, "xlsx-proc");
    const after = await deps.storage.get(`workspaces/${IDS.alpha}/models/${model.id}/original`);
    expect(after.equals(before)).toBe(true);
    await db.close();
  });
});