"use strict";
/** Blockscout ERC-20 transfer parsing (shared by aggregator + indexer). */
Object.defineProperty(exports, "__esModule", { value: true });
exports.pickPrimaryTokenTransfer = pickPrimaryTokenTransfer;
exports.parseAllTokenTransfers = parseAllTokenTransfers;
exports.fetchTokenTransferItemsForTx = fetchTokenTransferItemsForTx;
exports.pickPrimaryFromSummaries = pickPrimaryFromSummaries;
exports.applyPrimaryTransferToLeaf = applyPrimaryTransferToLeaf;
exports.fetchAllTokenTransfersForTx = fetchAllTokenTransfersForTx;
exports.fetchPrimaryTokenTransferForTx = fetchPrimaryTokenTransferForTx;
function parseItem(item) {
    const token = item.token?.address;
    const raw = item.total?.value ??
        (item.value != null && item.value !== '' ? item.value : undefined);
    if (!token || raw === undefined)
        return null;
    const value = BigInt(raw);
    if (value === 0n)
        return null;
    const decimals = parseInt(item.token?.decimals || item.total?.decimals || '18', 10);
    return {
        token,
        tokenSymbol: item.token?.symbol || '',
        tokenDecimals: Number.isFinite(decimals) ? decimals : 18,
        from: item.from?.hash || '',
        to: item.to?.hash || '',
        value,
        logIndex: item.log_index ?? 0,
    };
}
/** Largest ERC-20 transfer in a tx (legacy primary payment). */
function pickPrimaryTokenTransfer(items) {
    let best = null;
    for (const item of items) {
        const summary = parseItem(item);
        if (!summary)
            continue;
        if (!best || summary.value > best.value)
            best = summary;
    }
    return best;
}
/** All non-zero ERC-20 transfers in a tx. */
function parseAllTokenTransfers(items) {
    const out = [];
    for (const item of items) {
        const summary = parseItem(item);
        if (summary)
            out.push(summary);
    }
    return out.sort((a, b) => (a.logIndex < b.logIndex ? -1 : a.logIndex > b.logIndex ? 1 : 0));
}
async function fetchTokenTransferItemsForTx(apiBase, txHash) {
    const base = apiBase.replace(/\/$/, '');
    const res = await fetch(`${base}/transactions/${txHash}/token-transfers`);
    if (!res.ok)
        return [];
    const body = (await res.json());
    return body.items ?? [];
}
function pickPrimaryFromSummaries(items) {
    let best = null;
    for (const s of items) {
        if (!best || s.value > best.value)
            best = s;
    }
    return best;
}
function applyPrimaryTransferToLeaf(leaf, primary) {
    if (!primary)
        return;
    leaf.token = primary.token;
    leaf.tokenSymbol = primary.tokenSymbol;
    leaf.tokenDecimals = primary.tokenDecimals;
    leaf.tokenValue = primary.value.toString();
    leaf.tokenLogIndex = primary.logIndex;
    if (leaf.nativeValueWei == null)
        leaf.nativeValueWei = String(leaf.value ?? '0');
}
async function fetchAllTokenTransfersForTx(apiBase, txHash) {
    const items = await fetchTokenTransferItemsForTx(apiBase, txHash);
    return parseAllTokenTransfers(items);
}
async function fetchPrimaryTokenTransferForTx(apiBase, txHash) {
    const items = await fetchTokenTransferItemsForTx(apiBase, txHash);
    return pickPrimaryTokenTransfer(items);
}
