import JSZip from 'jszip';
import type { OfferPreparation } from './iva-offer-preparations.ts';
import {
    recordOfferWorkflow,
    offerAttachmentValid,
    offerWrittenRequest,
} from './iva-offer-workflow.ts';
export async function buildOfferPackage(
    row: OfferPreparation,
    load: (url: string) => Promise<ArrayBuffer>,
) {
    const item = recordOfferWorkflow(row, 'form'),
        w = item.workflow!,
        zip = new JSZip();
    for (const [folder, attachment] of [
        ['despacho', w.decisionAttachment],
        ['formulario', w.formAttachment],
    ] as const) {
        if (!attachment) continue;
        if (!offerAttachmentValid(attachment))
            throw Error('Referência de anexo inválida.');
        const bytes = await load(attachment.url),
            hash = Array.from(
                new Uint8Array(await crypto.subtle.digest('SHA-256', bytes)),
            )
                .map((b) => b.toString(16).padStart(2, '0'))
                .join('');
        if (hash !== attachment.sha256)
            throw Error(
                'O anexo diverge do hash registado;conjunto não emitido.',
            );
        zip.file(
            folder + '/' + attachment.name.replace(/[^\p{L}\p{N}._-]/gu, '_'),
            bytes,
        );
    }
    zip.file('pedido.txt', offerWrittenRequest(item, w));
    zip.file(
        'preparacao-formulario.txt',
        `${w.formName}\nFonte/aplicabilidade:${w.formSource}\n${w.formContent}\nDespacho:${item.request?.decisionRef};SHA256:${w.decisionAttachment!.sha256}\nApresentação fora do InvesteMoz.`,
    );
    zip.file(
        'manifesto.json',
        JSON.stringify(
            {
                branch: item.branch,
                request: item.request,
                workflow: w,
                scope: 'Submissão externa;conteúdo de preparação e anexos,não recibo de entrega à autoridade.',
            },
            null,
            2,
        ),
    );
    return {
        row: item,
        bytes: await zip.generateAsync({ type: 'uint8array' }),
    };
}