// Rôle : vérifie l'atomicité des snapshots avec une vraie transaction IndexedDB.
import { test, expect } from "@playwright/test";
import { resetSokkoStorage } from "./helpers/storage.js";

test("a synchronous snapshot error aborts all its IndexedDB writes", async ({ page }) => {
  await resetSokkoStorage(page);
  const result = await page.evaluate(async () => {
    const db = await import("/src/utils/indexedDbStorage.js");
    await db.setToolboxSnapshot([{ id: "saved", modules: [] }], { game: "saved" }, { "saved:note": { text: "Keep" } });
    let errorName = "";
    try {
      await db.setToolboxSnapshot([{ id: "broken" }], {}, { "broken:note": { invalid: () => {} } });
    } catch (error) {
      errorName = error.name;
    }
    return {
      errorName,
      toolboxes: await db.getToolboxes(),
      links: await db.getLinks(),
      modules: await db.getAllModuleData()
    };
  });
  expect(result).toEqual({
    errorName: "DataCloneError",
    toolboxes: [{ id: "saved", modules: [] }],
    links: { game: "saved" },
    modules: [{ key: "saved:note", data: { text: "Keep" } }]
  });
});

test("partial snapshots preserve deferred values and roll back deletes on failure", async ({ page }) => {
  await resetSokkoStorage(page);
  const result = await page.evaluate(async () => {
    const db = await import("/src/utils/indexedDbStorage.js");
    await db.setToolboxSnapshot([{ id: "saved", modules: [] }], {}, { media: { image: "Keep" }, removed: { text: "Delete" } });
    let failed = false;
    try {
      await db.setToolboxSnapshot([{ id: "broken" }], {}, { broken: { invalid: () => {} } }, ["media"]);
    } catch { failed = true; }
    const afterFailure = await db.getAllModuleData();
    await db.setToolboxSnapshot([{ id: "saved", modules: [] }], {}, { note: { text: "New" } }, ["media"]);
    return { failed, afterFailure, afterSuccess: await db.getAllModuleData() };
  });
  expect(result).toEqual({ failed: true,
    afterFailure: [{ key: "media", data: { image: "Keep" } }, { key: "removed", data: { text: "Delete" } }],
    afterSuccess: [{ key: "media", data: { image: "Keep" } }, { key: "note", data: { text: "New" } }]
  });
});