import { save } from "@tauri-apps/plugin-dialog";
import { api } from "./api";
import { flattenInBrowser } from "./browserFlatten";
import type { ExportDeps } from "./exportFlow";
import { renderInvoicePdf } from "./pdf";
import { getRenderClient, nextRenderJobId } from "./renderClient";
import type { BankAccount, Settings } from "./types";

/** The real collaborators of the export flow: Tauri commands, the render client, pdf.js and the save dialog. */
export function createExportDeps(ctx: { settings: Settings; bank: BankAccount | null }): ExportDeps {
  return {
    issueInvoice: (input, renderPrefs) => api.issueInvoice(input, renderPrefs),
    render: async (invoice) => {
      const { bytes, fingerprint } = await renderInvoicePdf(invoice, ctx.settings, ctx.bank);
      return { bytes, fingerprint };
    },
    archivePdf: api.archivePdf,
    readArchive: api.readArchive,
    flatten: (bytes, opts) => flattenInBrowser(bytes, opts),
    assemble: async (pages, title) => (await getRenderClient().assemble({ id: nextRenderJobId(), pages, title })).bytes,
    getLastExportDir: api.getLastExportDir,
    save: ({ defaultPath }) => save({ defaultPath, filters: [{ name: "PDF document", extensions: ["pdf"] }] }),
    writeExportFile: api.writeExportFile,
  };
}