import { afterEach, describe, expect, it, mock } from "bun:test";
import { promises as fs } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";

mock.module("@raycast/api", () => ({ environment: { supportPath: tmpdir() } }));
const project = await import("../src/lib/velum-project");
const roots: string[] = [];
afterEach(async () => { await Promise.all(roots.splice(0).map((root) => fs.rm(root, { recursive: true, force: true }))); });

describe("Velum-Projektstände", () => {
  it("speichert Projektregeln und Bearbeitungsstände getrennt vom Quellordner", async () => {
    const root = await fs.mkdtemp(join(tmpdir(), "velum-project-test-"));
    roots.push(root);
    const source = join(root, "Quelle");
    const support = join(root, "Raycast");
    await fs.mkdir(source);
    await fs.writeFile(join(source, "Notiz.txt"), "Max Mustermann");
    const rules = project.parseProjectRules("PERSON: Max Mustermann\nKundenSuite");
    await project.saveProjectRules(source, rules, support);
    expect(await project.loadProjectRules(source, support)).toEqual(rules);
    const created = await project.createRun(source, support);
    created.run.mapping = { PERSON_01: { original: "Max Mustermann", type: "PERSON" } };
    created.run.files.push({ source: "Notiz.txt", output: "PERSON_01.txt", kind: "text" });
    await project.saveRun(created.directory, created.run);
    expect((await project.listRuns(source, support))[0].run.files[0].output).toBe("PERSON_01.txt");
    expect(await fs.readFile(join(source, "Notiz.txt"), "utf8")).toBe("Max Mustermann");
  });

  it("ersetzt nur bestätigte Vorkommen und stellt Dateinamen wieder her", () => {
    const hits = [
      { id: "a", start: 0, end: 3, placeholder: "PERSON_01" },
      { id: "b", start: 8, end: 11, placeholder: "PERSON_01" },
    ];
    expect(project.replaceSpans("Max und Max", hits, new Set(["a"]))).toBe("PERSON_01 und Max");
    expect(project.restorePath("PERSON_01_Bericht.txt", {
      PERSON_01: { original: "Max Mustermann", type: "PERSON" },
    })).toBe("Max Mustermann_Bericht.txt");
    expect(() => project.safeRelativePath("../geheim.txt")).toThrow();
  });

  it("übernimmt API-Trefferpositionen auch nach einem Emoji korrekt", () => {
    const text = "😀 Max";
    const spans = project.toUtf16Offsets(text, [{ id: "max", start: 2, end: 5, placeholder: "PERSON_01" }]);
    expect(project.replaceSpans(text, spans, new Set(["max"]))).toBe("😀 PERSON_01");
  });
});