function setActiveView(view) {
  if (view === "transactions") {
    view = "history";
  }

  const previousView = currentView;
  if (previousView === "send" && view !== "send" && typeof resetTransactionForms === "function") {
    resetTransactionForms();
  }
  if (previousView === "marketing" && view !== "marketing" && typeof resetMarketingCampaignPage === "function") {
    resetMarketingCampaignPage();
  }
  if (previousView === "nfts" && view !== "nfts" && typeof resetNftsPage === "function") {
    resetNftsPage();
  }

  const [title, subtitle] = titles[view] || titles.dashboard;
  currentView = view;

  navButtons.forEach((button) => {
    button.classList.toggle("active", button.dataset.view === view);
  });
  closeMobileMoreMenu();
  document.querySelector("[data-mobile-more]")?.classList.toggle(
    "active",
    ["assets", "marketing", "addressbook", "settings"].includes(view)
  );

  if (viewTitle) {
    viewTitle.textContent = title;
  }
  if (viewSubtitle) {
    viewSubtitle.textContent = subtitle;
  }

  if (view === "dashboard") {
    dashboardView.classList.remove("hidden");
    transactionView.classList.add("hidden");
    receiveView.classList.add("hidden");
    historyView.classList.add("hidden");
    assetsView.classList.add("hidden");
    nftsView.classList.add("hidden");
    loansView.classList.add("hidden");
    marketingView.classList.add("hidden");
    addressbookView.classList.add("hidden");
    settingsView.classList.add("hidden");
    updateNetworkInfoRefreshState();
    if (registrationRegistered) {
      startRegisteredDashboardLoadSequence({ quiet: true });
    } else {
      updateBalanceRefreshState();
      updateLatestDashboardTransactionsPolling();
    }
    updateHistoryRefreshState();
    return;
  }

  updateBalanceRefreshState();
  updateNetworkInfoRefreshState();
  updateLatestDashboardTransactionsPolling();
  updateHistoryRefreshState();
  dashboardView.classList.add("hidden");
  transactionView.classList.add("hidden");
  receiveView.classList.add("hidden");
  historyView.classList.add("hidden");
  assetsView.classList.add("hidden");
  nftsView.classList.add("hidden");
  loansView.classList.add("hidden");
  marketingView.classList.add("hidden");
  addressbookView.classList.add("hidden");
  settingsView.classList.add("hidden");

  if (view === "receive") {
    receiveView.classList.remove("hidden");
    refreshReceivePage();
    return;
  }

  if (view === "history") {
    historyView.classList.remove("hidden");
    updateHistoryRefreshState();
    return;
  }

  if (view === "assets") {
    assetsView.classList.remove("hidden");
    prepareAssetsPage();
    return;
  }

  if (view === "nfts") {
    nftsView.classList.remove("hidden");
    prepareNftsPage();
    return;
  }

  if (view === "loans") {
    loansView.classList.remove("hidden");
    prepareLoansPage();
    return;
  }

  if (view === "marketing") {
    marketingView.classList.remove("hidden");
    prepareMarketingCampaignPage();
    return;
  }

  if (view === "addressbook") {
    addressbookView.classList.remove("hidden");
    prepareAddressBookPage();
    return;
  }

  if (view === "settings") {
    settingsView.classList.remove("hidden");
    loadSettingsPage();
    return;
  }

  transactionView.classList.remove("hidden");

  if (view === "send") {
    setActiveTransactionType("Transfer");
    showTransactionList();
    return;
  }

  showTransactionList(title, subtitle);
}

navButtons.forEach((button) => {
  button.addEventListener("click", () => setActiveView(button.dataset.view));
});

function setMobileMoreMenuOpen(open) {
  const moreButton = document.querySelector("[data-mobile-more]");
  const backdrop = document.querySelector("[data-mobile-more-backdrop]");
  const sheet = document.querySelector("[data-mobile-more-sheet]");
  moreButton?.setAttribute("aria-expanded", open ? "true" : "false");
  backdrop?.classList.toggle("hidden", !open);
  sheet?.classList.toggle("hidden", !open);
}

function closeMobileMoreMenu() {
  setMobileMoreMenuOpen(false);
}

document.querySelector("[data-mobile-more]")?.addEventListener("click", () => {
  const moreButton = document.querySelector("[data-mobile-more]");
  setMobileMoreMenuOpen(moreButton?.getAttribute("aria-expanded") !== "true");
});

document.querySelector("[data-mobile-more-backdrop]")?.addEventListener("click", closeMobileMoreMenu);

function showTransactionList(title = "Unbroadcast Transactions", copy = "Transactions saved locally and waiting for review.") {
  currentTransactionType = "";
  transactionTitle.textContent = title;
  transactionCopy.textContent = copy;
  transactionList.classList.remove("hidden");
  formPanel.classList.add("hidden");
  reviewPanel.classList.add("hidden");
  unbroadcastListMessage?.classList.remove("hidden");
  if (typeof refreshUnbroadcastTransactions === "function") {
    refreshUnbroadcastTransactions();
  }
}

function setActiveTransactionType(type = "Transfer") {
  document
    .querySelectorAll("[data-transaction-type]")
    .forEach((item) => item.classList.toggle("active", item.dataset.transactionType === type));
}

function refreshActiveTransactionFormAfterWalletData() {
  if (currentView !== "send" || !currentTransactionType || !walletLoaded || !registrationRegistered) {
    return;
  }

  if (currentTransactionType === "Transfer" && typeof refreshTransferBalancesIfNeeded === "function") {
    refreshTransferBalancesIfNeeded().catch(() => {});
  } else if (currentTransactionType === "Issue More Tokens" && typeof prepareIssueTokenForm === "function") {
    prepareIssueTokenForm();
  } else if (currentTransactionType === "Create NFT" && typeof prepareCreateNftForm === "function") {
    prepareCreateNftForm();
  } else if (currentTransactionType === "Swap" && typeof prepareSwapOfferForm === "function") {
    prepareSwapOfferForm();
  } else if (currentTransactionType === "Create Loan" && typeof prepareLoanOfferForm === "function") {
    prepareLoanOfferForm();
  } else if (currentTransactionType === "Loan Payment" && typeof prepareLoanPaymentForm === "function") {
    prepareLoanPaymentForm();
  } else if (currentTransactionType === "Collateral Claim" && typeof prepareCollateralClaimForm === "function") {
    prepareCollateralClaimForm();
  } else if (currentTransactionType === "Burn" && typeof prepareBurnForm === "function") {
    prepareBurnForm();
  }
}

function isActiveTransactionType(type) {
  return currentView === "send" && currentTransactionType === type;
}

function clearInactiveTransactionMessages(activeType) {
  const messageByType = {
    "Transfer": transferMessage,
    "Create Token": createTokenMessage,
    "Issue More Tokens": issueTokenMessage,
    "Create NFT": createNftMessage,
    "Swap": swapOfferMessage,
    "Create Loan": loanOfferMessage,
    "Loan Payment": loanPaymentMessage,
    "Collateral Claim": collateralClaimMessage,
    "Burn": burnMessage,
    "Marketing": marketingMessage,
    "Vanity Address": vanityMessage
  };
  Object.entries(messageByType).forEach(([type, element]) => {
    if (!element || type === activeType) {
      return;
    }
    element.textContent = "";
    element.classList.add("hidden");
    element.classList.remove("error", "success");
  });
}

function showTransactionForm(type) {
  currentTransactionType = type;
  clearInactiveTransactionMessages(type);
  transactionTitle.textContent = type;
  transactionCopy.textContent = "Create, save, or broadcast this transaction type.";
  transactionList.classList.add("hidden");
  unbroadcastListMessage?.classList.add("hidden");
  reviewPanel.classList.add("hidden");
  formPanel.classList.remove("hidden");

  const isTransfer = type === "Transfer";
  const isCreateToken = type === "Create Token";
  const isIssueToken = type === "Issue More Tokens";
  const isCreateNft = type === "Create NFT";
  const isSwap = type === "Swap";
  const isLoan = type === "Create Loan";
  const isLoanPayment = type === "Loan Payment";
  const isCollateralClaim = type === "Collateral Claim";
  const isBurn = type === "Burn";
  const isMarketing = type === "Marketing";
  const isVanity = type === "Vanity Address";
  document.querySelector("[data-transfer-form]")?.classList.toggle("hidden", !isTransfer);
  transferActions?.classList.toggle("hidden", !isTransfer);
  transferMessage?.classList.toggle("hidden", !isTransfer);
  createTokenForm?.classList.toggle("hidden", !isCreateToken);
  createTokenActions?.classList.toggle("hidden", !isCreateToken);
  createTokenMessage?.classList.toggle("hidden", !isCreateToken);
  issueTokenForm?.classList.toggle("hidden", !isIssueToken);
  issueTokenActions?.classList.toggle("hidden", !isIssueToken);
  issueTokenMessage?.classList.toggle("hidden", !isIssueToken);
  createNftForm?.classList.toggle("hidden", !isCreateNft);
  createNftActions?.classList.toggle("hidden", !isCreateNft);
  createNftMessage?.classList.toggle("hidden", !isCreateNft);
  swapOfferForm?.classList.toggle("hidden", !isSwap);
  swapOfferActions?.classList.toggle("hidden", !isSwap);
  swapOfferMessage?.classList.toggle("hidden", !isSwap);
  loanOfferForm?.classList.toggle("hidden", !isLoan);
  loanOfferActions?.classList.toggle("hidden", !isLoan);
  loanSavedPathPanel?.classList.toggle("hidden", !isLoan || !loanSavedPathInput?.value);
  loanOfferMessage?.classList.toggle("hidden", !isLoan);
  loanPaymentForm?.classList.toggle("hidden", !isLoanPayment);
  loanPaymentActions?.classList.toggle("hidden", !isLoanPayment);
  loanPaymentMessage?.classList.toggle("hidden", !isLoanPayment);
  collateralClaimForm?.classList.toggle("hidden", !isCollateralClaim);
  collateralClaimActions?.classList.toggle("hidden", !isCollateralClaim);
  collateralClaimMessage?.classList.toggle("hidden", !isCollateralClaim);
  burnForm?.classList.toggle("hidden", !isBurn);
  burnActions?.classList.toggle("hidden", !isBurn);
  burnMessage?.classList.toggle("hidden", !isBurn);
  marketingForm?.classList.toggle("hidden", !isMarketing);
  marketingActions?.classList.toggle("hidden", !isMarketing);
  marketingMessage?.classList.toggle("hidden", !isMarketing);
  vanityForm?.classList.toggle("hidden", !isVanity);
  vanityActions?.classList.toggle("hidden", !isVanity);
  vanityMessage?.classList.toggle("hidden", !isVanity);

  if (isTransfer && typeof prepareTransferForm === "function") {
    prepareTransferForm();
  } else if (isCreateToken && typeof prepareCreateTokenForm === "function") {
    prepareCreateTokenForm();
  } else if (isIssueToken && typeof prepareIssueTokenForm === "function") {
    prepareIssueTokenForm();
  } else if (isCreateNft && typeof prepareCreateNftForm === "function") {
    prepareCreateNftForm();
  } else if (isSwap && typeof prepareSwapOfferForm === "function") {
    prepareSwapOfferForm();
  } else if (isLoan && typeof prepareLoanOfferForm === "function") {
    prepareLoanOfferForm();
  } else if (isLoanPayment && typeof prepareLoanPaymentForm === "function") {
    prepareLoanPaymentForm();
  } else if (isCollateralClaim && typeof prepareCollateralClaimForm === "function") {
    prepareCollateralClaimForm();
  } else if (isBurn && typeof prepareBurnForm === "function") {
    prepareBurnForm();
  } else if (isMarketing && typeof prepareMarketingForm === "function") {
    prepareMarketingForm();
  } else if (isVanity && typeof prepareVanityAddressForm === "function") {
    prepareVanityAddressForm();
  }
}

function openTransactionType(type) {
  setActiveView("send");
  setActiveTransactionType(type);
  showTransactionForm(type);
}

function openImportTransaction() {
  setActiveView("send");
  if (typeof showUnbroadcastList === "function") {
    showUnbroadcastList();
    return;
  }
  showTransactionList();
}

function showTransactionReview() {
  transactionTitle.textContent = "Review Transaction";
  transactionCopy.textContent = "Inspect this local transaction before broadcasting.";
  transactionList.classList.add("hidden");
  formPanel.classList.add("hidden");
  reviewPanel.classList.remove("hidden");
}

document.querySelectorAll("[data-transaction-type]").forEach((button) => {
  button.addEventListener("click", () => {
    setActiveTransactionType(button.dataset.transactionType);
    showTransactionForm(button.dataset.transactionType);
  });
});

document.querySelector("[data-open-create-transaction]")?.addEventListener("click", () => {
  openTransactionType("Transfer");
});

document.querySelector("[data-view-all-transactions]")?.addEventListener("click", () => {
  setActiveView("history");
});

document.querySelector("[data-open-import-transaction]")?.addEventListener("click", () => {
  openImportTransaction();
});

document.querySelector("[data-open-vanity-transaction]")?.addEventListener("click", () => {
  openTransactionType("Vanity Address");
});

document.querySelector("[data-open-address-book]")?.addEventListener("click", () => {
  setActiveView("addressbook");
});

function flashCopyButton(button) {
  if (!button) {
    return;
  }
  const original = button.textContent || "Copy";
  button.textContent = "Copied";
  setTimeout(() => {
    button.textContent = original;
  }, 1200);
}

async function copyReceiveValue(selector, button) {
  const value = document.querySelector(selector)?.textContent?.trim();
  if (value && value !== "N/A" && await writeClipboardText(value)) {
    flashCopyButton(button);
  }
}

document.querySelector("[data-copy-address]")?.addEventListener("click", async (event) => {
  await copyReceiveValue("[data-active-address]", event.currentTarget);
});

document.querySelector("[data-copy-vanity]")?.addEventListener("click", async (event) => {
  await copyReceiveValue("[data-active-vanity]", event.currentTarget);
});

document.querySelectorAll("[data-copy-hash]").forEach((button) => {
  button.addEventListener("click", () => {
    const original = button.textContent;
    button.textContent = "Copied";
    setTimeout(() => {
      button.textContent = original;
    }, 1200);
  });
});

document.querySelectorAll("[data-loan-card]").forEach((button) => {
  button.addEventListener("click", () => {
    document
      .querySelectorAll("[data-loan-card]")
      .forEach((item) => item.classList.toggle("active", item === button));
  });
});