let loansContracts = [];
let loansLoadedForKey = "";
let loansLoadInFlight = false;
let selectedLoanContractHash = "";
let activeLoansStatusFilter = "all";
let loansStateMessage = "";

function loanFormatAtomic(value) {
  if (typeof atomicToDecimal === "function") {
    return atomicToDecimal(BigInt(value || "0"));
  }
  if (typeof formatAtomicBalance === "function") {
    return formatAtomicBalance(value || "0");
  }
  return String(value || "0");
}

function loanShort(value, left = 8, right = 8) {
  if (typeof truncateMiddle === "function") {
    return truncateMiddle(value, left, right);
  }
  const text = String(value || "");
  return text.length > left + right + 3 ? `${text.slice(0, left)}...${text.slice(-right)}` : text;
}

function escapeLoanText(value) {
  return String(value ?? "")
    .replaceAll("&", "&")
    .replaceAll("<", "&lt;")
    .replaceAll(">", "&gt;")
    .replaceAll('"', "&quot;")
    .replaceAll("'", "&#039;");
}

function activeLoanRole(contract) {
  const active = String(activeWalletAddressShort || "").trim().toLowerCase();
  if (String(contract.lender || "").trim().toLowerCase() === active) {
    return "lender";
  }
  if (String(contract.borrower || "").trim().toLowerCase() === active) {
    return "borrower";
  }
  return "unknown";
}

function loanRoleLabel(role) {
  return role === "lender" ? "Lending" : role === "borrower" ? "Borrowing" : "Related";
}

function loanCounterparty(contract) {
  return activeLoanRole(contract) === "lender" ? contract.borrower : contract.lender;
}

function loanStatusClass(status) {
  const normalized = String(status || "").toLowerCase();
  if (normalized === "delinquent") {
    return "due";
  }
  if (normalized === "inactive") {
    return "claimable";
  }
  return "active";
}

function loanStatusLabel(status) {
  const normalized = String(status || "").toLowerCase();
  if (normalized === "inactive") {
    return "Completed";
  }
  return normalized ? normalized.charAt(0).toUpperCase() + normalized.slice(1) : "Unknown";
}

function loanPaymentCount(contract) {
  return Array.isArray(contract.payments) ? contract.payments.length : 0;
}

function loanPeriodLabel(period) {
  const normalized = String(period || "").trim().toLowerCase();
  if (normalized === "d" || normalized === "daily") {
    return "daily";
  }
  if (normalized === "w" || normalized === "weekly") {
    return "weekly";
  }
  if (normalized === "m" || normalized === "monthly") {
    return "monthly";
  }
  return normalized || "unknown";
}

function loanAmountLabel(value, asset) {
  return `${loanFormatAtomic(value)} ${String(asset || "").trim()}`.trim();
}

function addUtcMonths(timestampSeconds, monthsToAdd) {
  const start = new Date(Number(timestampSeconds || 0) * 1000);
  if (Number.isNaN(start.getTime())) {
    return null;
  }
  const year = start.getUTCFullYear();
  const month = start.getUTCMonth() + Number(monthsToAdd || 0);
  const day = start.getUTCDate();
  const lastDay = new Date(Date.UTC(year, month + 1, 0)).getUTCDate();
  return new Date(Date.UTC(
    year,
    month,
    Math.min(day, lastDay),
    start.getUTCHours(),
    start.getUTCMinutes(),
    start.getUTCSeconds()
  ));
}

function loanDueDateForPayment(contract, paymentIndex) {
  const startTimestamp = Number(contract.start_timestamp || 0);
  if (!startTimestamp || !paymentIndex) {
    return null;
  }
  const period = String(contract.payment_period || "").trim().toLowerCase();
  if (period === "daily") {
    return new Date((startTimestamp + paymentIndex * 86_400) * 1000);
  }
  if (period === "weekly") {
    return new Date((startTimestamp + paymentIndex * 7 * 86_400) * 1000);
  }
  if (period === "monthly") {
    return addUtcMonths(startTimestamp, paymentIndex);
  }
  return null;
}

function formatLoanDueDate(date) {
  if (!(date instanceof Date) || Number.isNaN(date.getTime())) {
    return "--";
  }
  return date.toLocaleString(undefined, {
    year: "numeric",
    month: "short",
    day: "numeric",
    hour: "numeric",
    minute: "2-digit",
    timeZoneName: "short"
  });
}

function nextLoanPaymentDueLabel(contract) {
  if (String(contract.status || "").toLowerCase() === "inactive") {
    return "No remaining payments";
  }
  const paymentAmount = BigInt(contract.payment_amount || "0");
  const confirmedPaid = BigInt(contract.confirmed_paid || "0");
  const paymentNumber = Number(contract.payment_number || 0);
  if (!paymentNumber || paymentAmount <= 0n) {
    return "--";
  }
  const completedPayments = Number(confirmedPaid / paymentAmount);
  if (completedPayments >= paymentNumber) {
    return "No remaining payments";
  }
  return formatLoanDueDate(loanDueDateForPayment(contract, completedPayments + 1));
}

function loanTransactionTime(transaction) {
  return Number(
    transaction?.unsigned_loan_contract?.time ??
    transaction?.unsigned_loan_contract?.timestamp ??
    transaction?.unsigned_contract_payment?.time ??
    transaction?.unsigned_contract_payment?.timestamp ??
    transaction?.unsigned_collateral_claim?.time ??
    transaction?.unsigned_collateral_claim?.timestamp ??
    0
  ) || 0;
}

function loanContractRecordFromCache(txid, record) {
  const tx = record?.transaction?.unsigned_loan_contract;
  if (!tx) {
    return null;
  }
  const contractHash = txid || record?.txid || "";
  const totalDue = BigInt(tx.payment_amount || 0) * BigInt(tx.payment_number || 0);
  return {
    contract: contractHash,
    status: "active",
    start_timestamp: Number(tx.time ?? tx.timestamp ?? 0) || 0,
    lender: tx.lender || "",
    borrower: tx.borrower || "",
    loan_asset: tx.loan_coin || activeBaseCoin(),
    loan_amount: String(tx.loan_amount || 0),
    collateral: tx.collateral || activeBaseCoin(),
    collateral_amount: String(tx.collateral_amount || 0),
    payment_period: loanPeriodLabel(tx.payment_period),
    payment_number: Number(tx.payment_number || 0),
    payment_amount: String(tx.payment_amount || 0),
    grace_period: Number(tx.grace_period || 0),
    max_late_value: String(tx.max_late_value || 0),
    confirmed_paid: "0",
    pending_paid: "0",
    remaining_balance: String(totalDue),
    remaining_after_pending: String(totalDue),
    payments: [],
    collateral_claimed_by: ""
  };
}

function loanPaymentsDueCount(contract, nowSeconds = Math.floor(Date.now() / 1000)) {
  const startTimestamp = Number(contract?.start_timestamp || 0);
  const paymentNumber = Number(contract?.payment_number || 0);
  if (!startTimestamp || !paymentNumber || nowSeconds <= startTimestamp) {
    return 0;
  }
  const period = String(contract.payment_period || "").trim().toLowerCase();
  let due = 0;
  if (period === "daily") {
    due = Math.floor((nowSeconds - startTimestamp) / 86_400);
  } else if (period === "weekly") {
    due = Math.floor((nowSeconds - startTimestamp) / (7 * 86_400));
  } else if (period === "monthly") {
    const start = new Date(startTimestamp * 1000);
    const now = new Date(nowSeconds * 1000);
    due = (now.getUTCFullYear() - start.getUTCFullYear()) * 12
      + (now.getUTCMonth() - start.getUTCMonth());
    const dueDate = addUtcMonths(startTimestamp, due);
    if (dueDate && now.getTime() < dueDate.getTime()) {
      due -= 1;
    }
  }
  return Math.max(0, Math.min(paymentNumber, due));
}

function loanFinalGracePeriodPassed(contract, nowSeconds = Math.floor(Date.now() / 1000)) {
  const paymentNumber = Number(contract?.payment_number || 0);
  const gracePeriod = Number(contract?.grace_period || 0);
  if (!paymentNumber) {
    return false;
  }
  const dueDate = loanDueDateForPayment(contract, paymentNumber + gracePeriod);
  if (!dueDate) {
    return false;
  }
  return nowSeconds >= Math.floor(dueDate.getTime() / 1000) + 86_400;
}

function finalizeLocalLoanContract(contract) {
  const totalPaid = (contract.payments || []).reduce(
    (sum, payment) => sum + BigInt(payment.amount_atomic || payment.amount || 0),
    0n
  );
  const paymentAmount = BigInt(contract.payment_amount || 0);
  const totalDue = paymentAmount * BigInt(contract.payment_number || 0);
  const remaining = totalDue > totalPaid ? totalDue - totalPaid : 0n;
  const shouldHavePaid = BigInt(loanPaymentsDueCount(contract)) * paymentAmount;
  const claimed = Boolean(contract.collateral_claimed_by);

  contract.payments.sort((left, right) => Number(left.timestamp || 0) - Number(right.timestamp || 0));
  contract.confirmed_paid = String(totalPaid);
  contract.pending_paid = "0";
  contract.remaining_balance = String(remaining);
  contract.remaining_after_pending = String(remaining);
  contract.status = claimed ? "inactive" : (shouldHavePaid > totalPaid ? "delinquent" : "active");
  return contract;
}

async function applyRemoteCollateralStatuses(contracts) {
  const invoke = window.__TAURI__?.core?.invoke;
  const broadcastNode = typeof activeBroadcastNode === "function" ? activeBroadcastNode() : "";
  if (!invoke || !broadcastNode || !Array.isArray(contracts) || !contracts.length) {
    return contracts;
  }

  await Promise.all(contracts.map(async (contract) => {
    if (!contract?.contract || contract.collateral_claimed_by) {
      return;
    }
    try {
      const status = await invoke("collateral_status", {
        broadcastNode,
        contractHash: contract.contract
      });
      if (status?.claimed) {
        contract.collateral_claimed_by = "remote";
        contract.status = "inactive";
      }
    } catch (_) {
      // Keep the locally synced view usable if the lightweight status check is unavailable.
    }
  }));
  return contracts;
}

async function loadLocalLoanContractsFromCache(walletToken = activeWalletCacheToken()) {
  if (typeof readTransactionIndexObject !== "function" || typeof readTransactionCacheRecords !== "function") {
    return [];
  }

  const index = await readTransactionIndexObject(walletToken);
  let typeTxids = [7, 8, 9].flatMap((type) => Array.isArray(index.type_to_txids?.[String(type)])
    ? index.type_to_txids[String(type)]
    : []);
  if (!typeTxids.length) {
    typeTxids = Array.isArray(index.ordered_txids) ? index.ordered_txids : [];
  }
  const uniqueTxids = Array.from(new Set(typeTxids.filter(Boolean)));
  if (!uniqueTxids.length) {
    return [];
  }

  const cache = await readTransactionCacheRecords(index, uniqueTxids, walletToken);
  const contracts = new Map();
  Object.entries(cache.transactions || {}).forEach(([txid, record]) => {
    const contract = loanContractRecordFromCache(txid, record);
    if (contract && (isActiveWalletAddress(contract.lender) || isActiveWalletAddress(contract.borrower))) {
      contracts.set(contract.contract, contract);
    }
  });

  Object.entries(cache.transactions || {}).forEach(([txid, record]) => {
    const payment = record?.transaction?.unsigned_contract_payment;
    if (payment?.contract_hash && contracts.has(payment.contract_hash)) {
      const contract = contracts.get(payment.contract_hash);
      contract.payments.push({
        txid,
        amount: String(payment.payback_amount || 0),
        amount_atomic: String(payment.payback_amount || 0),
        payer: payment.address || "",
        timestamp: Number(payment.time ?? payment.timestamp ?? 0) || 0,
        date: formatHistoryDate(loanTransactionTime(record.transaction))
      });
    }

    const claim = record?.transaction?.unsigned_collateral_claim;
    if (claim?.contract_hash && contracts.has(claim.contract_hash)) {
      contracts.get(claim.contract_hash).collateral_claimed_by = claim.address || "";
    }
  });

  return Array.from(contracts.values()).map(finalizeLocalLoanContract);
}

async function loadLocalActiveBorrowerLoanContracts(walletToken = activeWalletCacheToken()) {
  const activeAddress = String(activeWalletAddressShort || "").trim().toLowerCase();
  const contracts = await applyRemoteCollateralStatuses(await loadLocalLoanContractsFromCache(walletToken));
  return contracts.filter((contract) => (
    String(contract.borrower || "").trim().toLowerCase() === activeAddress &&
    String(contract.status || "").toLowerCase() !== "inactive" &&
    BigInt(contract.remaining_after_pending || 0) > 0n
  ));
}

function localCollateralClaimReason(contract) {
  if (!contract || String(contract.status || "").toLowerCase() === "inactive") {
    return "";
  }
  const role = activeLoanRole(contract);
  const remainingBalance = BigInt(contract.remaining_balance || "0");
  if (role === "borrower") {
    return remainingBalance === 0n
      ? "Loan is fully repaid, so the borrower can reclaim collateral."
      : "";
  }
  if (role !== "lender") {
    return "";
  }

  if (remainingBalance > 0n && loanFinalGracePeriodPassed(contract)) {
    return "The full loan term plus allowed grace has passed and an unpaid balance remains.";
  }

  const paymentsDue = loanPaymentsDueCount(contract);
  const gracePeriod = Number(contract.grace_period || 0);
  if (paymentsDue <= gracePeriod) {
    return "";
  }
  const confirmedPaid = BigInt(contract.confirmed_paid || "0");
  const paymentAmount = BigInt(contract.payment_amount || "0");
  const maxLateValue = BigInt(contract.max_late_value || "0");
  const shouldHavePaid = BigInt(paymentsDue) * paymentAmount;
  const overdueValue = shouldHavePaid > confirmedPaid ? shouldHavePaid - confirmedPaid : 0n;
  return overdueValue > maxLateValue
    ? `Borrower is late by ${overdueValue - maxLateValue} atomic units beyond the allowed threshold.`
    : "";
}

async function loadLocalClaimableCollateralContracts(walletToken = activeWalletCacheToken()) {
  const contracts = await applyRemoteCollateralStatuses(await loadLocalLoanContractsFromCache(walletToken));
  return contracts
    .map((contract) => {
      const reason = localCollateralClaimReason(contract);
      if (!reason) {
        return null;
      }
      const role = activeLoanRole(contract);
      return {
        contract: contract.contract,
        role,
        reason,
        lender: contract.lender,
        borrower: contract.borrower,
        loan_asset: contract.loan_asset,
        loan_amount: contract.loan_amount,
        collateral: contract.collateral,
        collateral_amount: contract.collateral_amount,
        confirmed_paid: contract.confirmed_paid,
        pending_paid: contract.pending_paid,
        remaining_balance: contract.remaining_balance,
        remaining_after_pending: contract.remaining_after_pending,
        fee: String(COLLATERAL_CLAIM_FEE_ATOMIC || 300000000n)
      };
    })
    .filter(Boolean)
    .sort((left, right) => left.contract.localeCompare(right.contract));
}

function sortedLoans() {
  const query = String(loansSearch?.value || "").trim().toLowerCase();
  const roleFilter = loansRoleFilter?.value || "all";

  return loansContracts
    .filter((contract) => {
      const role = activeLoanRole(contract);
      const status = String(contract.status || "").toLowerCase();
      const searchText = [
        contract.contract,
        contract.lender,
        contract.borrower,
        contract.loan_asset,
        contract.collateral,
        status,
        role
      ].join(" ").toLowerCase();

      if (roleFilter !== "all" && role !== roleFilter) {
        return false;
      }
      if (activeLoansStatusFilter !== "all" && status !== activeLoansStatusFilter) {
        return false;
      }
      return !query || searchText.includes(query);
    })
    .sort((left, right) => Number(right.start_timestamp || 0) - Number(left.start_timestamp || 0));
}

function renderLoanCard(contract) {
  const role = activeLoanRole(contract);
  const selected = contract.contract === selectedLoanContractHash;
  const counterparty = loanCounterparty(contract);
  const principal = loanAmountLabel(contract.loan_amount, contract.loan_asset);
  const remaining = loanAmountLabel(contract.remaining_after_pending, contract.loan_asset);
  const payments = `${loanPaymentCount(contract)} / ${contract.payment_number || 0}`;
  const nextDue = nextLoanPaymentDueLabel(contract);

  return `
    <button class="loan-card ${selected ? "active" : ""}" type="button" data-loan-contract="${escapeLoanText(contract.contract)}">
      <div class="loan-card-top">
        <div>
          <strong>Loan ${escapeLoanText(loanShort(contract.contract, 6, 6))}</strong>
          <span>${activeLoanRole(contract) === "lender" ? "Borrower" : "Lender"} ${escapeLoanText(loanShort(counterparty, 8, 8))}</span>
        </div>
        <div class="loan-badges">
          <span class="role-badge ${role === "lender" ? "lending" : "borrowing"}">${escapeLoanText(loanRoleLabel(role))}</span>
          <span class="loan-status ${loanStatusClass(contract.status)}">${escapeLoanText(loanStatusLabel(contract.status))}</span>
        </div>
      </div>
      <div class="loan-metrics">
        <div><span>Principal</span><b>${escapeLoanText(principal)}</b></div>
        <div><span>Remaining</span><b>${escapeLoanText(remaining)}</b></div>
        <div><span>Payments</span><b>${escapeLoanText(payments)}</b></div>
      </div>
      <div class="loan-next-due">
        <span>Next payment due by:</span>
        <b>${escapeLoanText(nextDue)}</b>
      </div>
    </button>
  `;
}

function selectedLoanContract() {
  return loansContracts.find((contract) => contract.contract === selectedLoanContractHash) || null;
}

function detailItem(label, value) {
  return `<div><span>${escapeLoanText(label)}</span><b>${escapeLoanText(value || "--")}</b></div>`;
}

function renderLoanPaymentHistory(contract) {
  if (!loanPaymentHistory) {
    return;
  }
  const payments = Array.isArray(contract?.payments) ? contract.payments : [];
  if (!payments.length) {
    loanPaymentHistory.innerHTML = '<div class="subtle-state">No confirmed payments recorded for this loan.</div>';
    return;
  }
  loanPaymentHistory.innerHTML = `
    <table>
      <thead>
        <tr>
          <th>Date</th>
          <th>Amount</th>
          <th>Payer</th>
          <th>Tx Hash</th>
        </tr>
      </thead>
      <tbody>
        ${payments.map((payment) => `
          <tr>
            <td>${escapeLoanText(payment.date || "--")}</td>
            <td>${escapeLoanText(payment.amount || "0")} ${escapeLoanText(contract.loan_asset || "")}</td>
            <td>${escapeLoanText(loanShort(payment.payer || "", 8, 8))}</td>
            <td>${escapeLoanText(loanShort(payment.txid || "", 8, 8))}</td>
          </tr>
        `).join("")}
      </tbody>
    </table>
  `;
}

function renderLoanDetail() {
  const contract = selectedLoanContract();
  if (!loanDetailGrid) {
    return;
  }
  if (!contract) {
    loanDetailGrid.innerHTML = detailItem("Selected Loan", "Select a loan to view details.");
    if (loanPaymentHistory) {
      loanPaymentHistory.innerHTML = '<div class="subtle-state">No loan selected.</div>';
    }
    loanCopyContractButton?.toggleAttribute("disabled", true);
    loanMakePaymentButton?.toggleAttribute("disabled", true);
    loanClaimCollateralButton?.toggleAttribute("disabled", true);
    return;
  }

  const role = activeLoanRole(contract);
  const collateral = loanAmountLabel(contract.collateral_amount, contract.collateral);
  const payment = loanAmountLabel(contract.payment_amount, contract.loan_asset);
  const confirmed = loanAmountLabel(contract.confirmed_paid, contract.loan_asset);
  const pending = loanAmountLabel(contract.pending_paid, contract.loan_asset);
  const remaining = loanAmountLabel(contract.remaining_after_pending, contract.loan_asset);

  loanDetailGrid.innerHTML = [
    detailItem("Contract Hash", contract.contract),
    detailItem("Role", loanRoleLabel(role)),
    detailItem("Status", loanStatusLabel(contract.status)),
    detailItem("Principal", loanAmountLabel(contract.loan_amount, contract.loan_asset)),
    detailItem("Payment Amount", payment),
    detailItem("Collateral", collateral),
    detailItem("Payment Schedule", `${contract.payment_number || 0} ${contract.payment_period || "payments"}`),
    detailItem("Confirmed Paid", confirmed),
    detailItem("Pending Total", pending),
    detailItem("Remaining", remaining),
    detailItem("Lender", contract.lender),
    detailItem("Borrower", contract.borrower)
  ].join("");

  renderLoanPaymentHistory(contract);
  loanCopyContractButton?.toggleAttribute("disabled", false);
  loanMakePaymentButton?.toggleAttribute(
    "disabled",
    !(role === "borrower" && String(contract.status || "").toLowerCase() !== "inactive")
  );
  loanClaimCollateralButton?.toggleAttribute("disabled", String(contract.status || "").toLowerCase() === "inactive");
}

function renderLoansPage() {
  if (!loansList) {
    return;
  }
  const rows = sortedLoans();
  if (!selectedLoanContractHash && rows.length) {
    selectedLoanContractHash = rows[0].contract;
  }
  if (selectedLoanContractHash && !loansContracts.some((contract) => contract.contract === selectedLoanContractHash)) {
    selectedLoanContractHash = rows[0]?.contract || "";
  }

  loansList.innerHTML = rows.map(renderLoanCard).join("");
  if (!walletLoaded) {
    loansState && (loansState.textContent = "Load a wallet to view loans.");
  } else if (loansLoadInFlight && !loansContracts.length) {
    loansState && (loansState.textContent = "Loading loans...");
  } else if (loansStateMessage) {
    loansState && (loansState.textContent = loansStateMessage);
  } else if (!loansContracts.length) {
    loansState && (loansState.textContent = "No loan contracts found for this wallet.");
  } else if (!rows.length) {
    loansState && (loansState.textContent = "No loans match the current filters.");
  } else {
    loansState && (loansState.textContent = `${rows.length} loan${rows.length === 1 ? "" : "s"} shown`);
  }
  renderLoanDetail();
}

async function loadLoansPage({ force = false } = {}) {
  if (!walletLoaded) {
    loansContracts = [];
    selectedLoanContractHash = "";
    loansStateMessage = "Load a wallet to view loans.";
    renderLoansPage();
    return;
  }
  const walletToken = activeWalletCacheToken();
  const key = `${walletToken}|local-loans`;
  if (!force && loansLoadedForKey === key) {
    renderLoansPage();
    return;
  }
  if (loansLoadInFlight) {
    return;
  }

  loansLoadInFlight = true;
  loansStateMessage = "Loading loans...";
  renderLoansPage();
  try {
    const contracts = await loadLocalLoanContractsFromCache(walletToken);
    loansContracts = await applyRemoteCollateralStatuses(Array.isArray(contracts) ? contracts : []);
    loansLoadedForKey = key;
    selectedLoanContractHash = loansContracts[0]?.contract || "";
    loansStateMessage = loansContracts.length
      ? ""
      : "No locally synced loan contracts found for this wallet.";
  } catch (error) {
    loansContracts = [];
    selectedLoanContractHash = "";
    loansStateMessage = `Local loan cache lookup failed: ${String(error)}`;
  } finally {
    loansLoadInFlight = false;
    renderLoansPage();
  }
}

function prepareLoansPage({ force = false } = {}) {
  renderLoansPage();
  loadLoansPage({ force });
}

function resetLoansPage() {
  loansContracts = [];
  loansLoadedForKey = "";
  loansLoadInFlight = false;
  selectedLoanContractHash = "";
  activeLoansStatusFilter = "all";
  loansStateMessage = "";
  loansSearch && (loansSearch.value = "");
  loansRoleFilter && (loansRoleFilter.value = "all");
  loansStatusButtons.forEach((button) => {
    button.classList.toggle("active", button.dataset.loansStatusFilter === "all");
  });
  renderLoansPage();
}

loansSearch?.addEventListener("input", renderLoansPage);
loansRoleFilter?.addEventListener("change", renderLoansPage);
loansRefreshButton?.addEventListener("click", () => loadLoansPage({ force: true }));
loansCreateButton?.addEventListener("click", () => {
  setActiveView("send");
  setActiveTransactionType("Create Loan");
});
loansStatusButtons.forEach((button) => {
  button.addEventListener("click", () => {
    activeLoansStatusFilter = button.dataset.loansStatusFilter || "all";
    loansStatusButtons.forEach((item) => item.classList.toggle("active", item === button));
    selectedLoanContractHash = "";
    renderLoansPage();
  });
});
loansList?.addEventListener("click", (event) => {
  const card = event.target.closest("[data-loan-contract]");
  if (!card) {
    return;
  }
  selectedLoanContractHash = card.dataset.loanContract || "";
  renderLoansPage();
});
loanCopyContractButton?.addEventListener("click", async () => {
  const contract = selectedLoanContract();
  if (!contract) {
    return;
  }
  const copied = typeof writeClipboardText === "function"
    ? await writeClipboardText(contract.contract)
    : false;
  if (!copied) {
    return;
  }
  const original = loanCopyContractButton.textContent;
  loanCopyContractButton.textContent = "Copied";
  setTimeout(() => {
    loanCopyContractButton.textContent = original;
  }, 900);
});
loanMakePaymentButton?.addEventListener("click", () => {
  const contract = selectedLoanContract();
  if (typeof openTransactionType === "function") {
    openTransactionType("Loan Payment");
  } else {
    setActiveView("send");
    setActiveTransactionType("Loan Payment");
    showTransactionForm("Loan Payment");
  }
  const selectContract = () => {
    if (contract?.contract && loanPaymentContractSelect) {
      loanPaymentContractSelect.value = contract.contract;
      updateLoanPaymentDerivedFields(true);
    }
  };
  if (typeof loadLoanPaymentContracts === "function") {
    loadLoanPaymentContracts(false).then(selectContract).catch(() => {});
  } else {
    setTimeout(selectContract, 0);
  }
});
loanClaimCollateralButton?.addEventListener("click", () => {
  const contract = selectedLoanContract();
  if (typeof openTransactionType === "function") {
    openTransactionType("Collateral Claim");
  } else {
    setActiveView("send");
    setActiveTransactionType("Collateral Claim");
    showTransactionForm("Collateral Claim");
  }
  const selectContract = () => {
    if (contract?.contract && collateralClaimContractSelect) {
      collateralClaimContractSelect.value = contract.contract;
      updateCollateralClaimDetails();
    }
  };
  if (typeof loadCollateralClaimContracts === "function") {
    loadCollateralClaimContracts(false).then(selectContract).catch(() => {});
  } else {
    setTimeout(selectContract, 0);
  }
});