import path from "node:path";
import assert from "node:assert/strict";
import { describe, it } from "node:test";
import { migrate } from "drizzle-orm/better-sqlite3/migrator";
import { createDatabaseContext } from "../src/db/database-context.js";
import { ExternalExportBatchRepository } from "../src/db/repositories/external-export-batch.repository.js";
import { projects } from "../src/db/schema/projects.js";
import { createDefaultExternalModelConfiguration } from "../src/external-model/configuration/external-model-configuration.js";

describe("external export batch repository", () => {
  it("appends immutable audit metadata without changing the project revision", () => {
    const context = createDatabaseContext(":memory:");
    try {
      migrate(context.db, { migrationsFolder: path.resolve("src", "db", "migrations") });
      context.db.insert(projects).values({ id: "project-1", name: "Projekt", currentRevision: 7 }).run();
      const repository = new ExternalExportBatchRepository(context.db);
      const configuration = createDefaultExternalModelConfiguration();
      repository.append({
        id: "export-1", projectId: "project-1", projectRevision: 7,
        importBatchId: "historical-import-without-foreign-key", exportedAtIso: "2026-09-30T10:00:00.000Z",
        fileName: "Projekt_Revit-Rueckgabe_2026-09-30.xlsx", sha256: "a".repeat(64),
        configurationSnapshot: configuration, configurationSha256: "b".repeat(64), scope: "all", objectCount: 4,
      });
      configuration.columns.designation = "Nachträglich geändert";
      repository.append({
        id: "export-2", projectId: "project-1", projectRevision: 7,
        importBatchId: "historical-import-without-foreign-key", exportedAtIso: "2026-09-30T11:00:00.000Z",
        fileName: "Projekt_Revit-Rueckgabe_2026-09-30.xlsx", sha256: "c".repeat(64),
        configurationSnapshot: configuration, configurationSha256: "d".repeat(64), scope: "selected", objectCount: 1,
      });

      const batches = repository.listByProject("project-1");
      assert.deepEqual(batches.map((batch) => batch.id), ["export-2", "export-1"]);
      assert.notEqual(batches[0]!.configurationSnapshot.columns.designation, batches[1]!.configurationSnapshot.columns.designation);
      assert.equal(context.db.select({ revision: projects.currentRevision }).from(projects).get()!.revision, 7);
    } finally {
      context.close();
    }
  });
});