import { serializeCsv } from "@app/services/export/csv.serializer";

import { gatherExportData } from "@app/services/export/data.gatherer";

import { buildManifest } from "@app/services/export/manifest.builder";

import {

  moodComponentTable,

  moodTable,

  profileTable,

} from "@app/services/export/table.descriptors";

import { buildZip } from "@app/services/export/zip.builder";

import { ExportArchive, ExportFile } from "@app/services/export/types";

export async function buildExportArchive(userId: number): Promise<ExportArchive> {

  const { user, moods, moodComponents } = await gatherExportData(userId);

  const generatedAt = new Date();

  const files: ExportFile[] = [

    serializeCsv(profileTable, [user]),

    serializeCsv(moodTable, moods),

    serializeCsv(moodComponentTable, moodComponents),

  ];

  const manifest = buildManifest(files, generatedAt);

  return {

    filename: `nexo-dados-${generatedAt.toISOString().slice(0, 10)}.zip`,

    buffer: await buildZip([...files, manifest]),

  };

}