function createInstallBaseView({ MODAL_ID, createCloseIcon, formatOracleResponseDate, createSearch, tableSorting, environment }) {
  const { document } = environment;
  let active = null;
  const columns = [
    ["productGroupName", "Product Group"], ["productName", "Product"],
    ["currentSupport", "Current Support", "amount"], ["orderNumber", "Order Number"],
    ["supportStatus", "Support Status", "status"], ["quantityType", "Quantity Type"],
    ["quantity", "Quantity", "quantity"], ["supportStartDate", "Support Start Date", "date"],
    ["supportEndDate", "Support End Date", "date"], ["licenseValue", "License Value", "amount"],
    ["shipDate", "Ship Date", "date"]
  ];
  function element(tag, className, text) {
    const node = document.createElement(tag);
    if (className) node.className = className;
    if (text !== undefined) node.textContent = text;
    return node;
  }
  function closeInstallBaseModal() {
    if (!active) return false;
    const previous = active;
    active = null;
    previous.modal.remove();
    if (previous.trigger?.isConnected) previous.trigger.focus();
    return true;
  }
  function formatValue(value, type) {
    if (value === null || value === undefined || value === "") return "-";
    if (type === "date") return formatOracleResponseDate(value);
    if ((type === "amount" || type === "quantity") && Number.isFinite(Number(value))) {
      return new Intl.NumberFormat("en-US", {
        minimumFractionDigits: type === "amount" ? 2 : 0, maximumFractionDigits: type === "amount" ? 2 : 4
      }).format(Number(value));
    }
    return String(value).trim();
  }
  const sortColumns = columns.map(([key, , type]) => ({ key, type: ["amount", "quantity"].includes(type) ? "number" : type }));
  function createTable(items, loading = false, sorting = tableSorting.create("installed-base", sortColumns), onSort) {
    const table = element("table", "opportunities-extension-install-base-table");
    table.setAttribute("data-table-layout", "standard");
    table.setAttribute("aria-label", "Installed base items");
    const head = element("thead");
    const header = element("tr");
    const group = element("colgroup");
    columns.forEach(([key, label]) => {
      const col = element("col");
      col.className = `install-base-col-${key}`;
      group.append(col);
      const th = element("th");
      th.scope = "col";
      sorting.header(th, key, label, onSort, loading);
      header.append(th);
    });
    head.append(header);
    const body = element("tbody");
    (loading ? Array.from({ length: 8 }, () => ({})) : sorting.select(items)).forEach(item => {
      const row = element("tr");
      columns.forEach(([key, , type]) => {
        const cell = element("td");
        if (loading) {
          const bar = element("span", "opportunities-extension-account-plans-skeleton-bar");
          bar.setAttribute("aria-hidden", "true");
          cell.append(bar);
        } else {
          const value = item[key];
          const text = formatValue(value, type);
          if (type === "status") {
            const badge = element("span", "opportunities-extension-install-base-status", text);
            badge.dataset.status = text.toUpperCase();
            cell.append(badge);
          } else cell.textContent = text;
          if (type) cell.dataset.format = type;
        }
        row.append(cell);
      });
      body.append(row);
    });
    table.append(group, head, body);
    return table;
  }
  function openInstallBaseModal(opportunity, trigger) {
    closeInstallBaseModal();
    const overlay = document.getElementById(MODAL_ID);
    if (!overlay || overlay.hidden) return { render() {} };
    const modal = element("section", "opportunities-extension-account-plans-modal");
    modal.setAttribute("role", "dialog");
    modal.setAttribute("aria-modal", "true");
    modal.setAttribute("aria-busy", "true");
    modal.setAttribute("aria-labelledby", "opportunities-extension-install-base-title");
    const dialog = element("div", "opportunities-extension-account-plans-dialog opportunities-extension-install-base-dialog");
    const header = element("header", "opportunities-extension-account-plans-header");
    const heading = element("div");
    const title = element("h2", "", "Installed Base");
    title.id = "opportunities-extension-install-base-title";
    heading.append(title, element("p", "", opportunity.CustomerAccount?.PartyUniqueName || "Customer"));
    const close = element("button", "opportunities-extension-icon-button");
    close.type = "button";
    close.title = "Close";
    close.setAttribute("aria-label", "Close installed base");
    close.append(createCloseIcon());
    close.addEventListener("click", closeInstallBaseModal);
    header.append(heading, close);
    const content = element("div", "opportunities-extension-install-base-content");
    content.tabIndex = 0;
    content.setAttribute("role", "region");
    content.setAttribute("aria-label", "Installed base results");
    const status = element("p", "opportunities-extension-install-base-message", "Loading installed base...");
    status.setAttribute("role", "status");
    let loadedItems = [], loaded = false, failure = "";
    const sorting = tableSorting.create("installed-base", sortColumns);
    const search = createSearch({ label: "Search installed base", onSearch: renderResults,
      getValues: item => columns.flatMap(([key, , type]) => [item[key], formatValue(item[key], type)]) });
    const toolbar = element("div", "opportunities-extension-customer-table-toolbar");
    toolbar.append(search.input);
    content.append(status, createTable([], true));
    dialog.append(header, toolbar, content);
    modal.append(dialog);
    overlay.append(modal);
    active = { modal, trigger };
    modal.addEventListener("keydown", event => {
      if (event.key === "Tab") {
        event.preventDefault();
        const controls = [close, search.input, content, ...content.querySelectorAll("button")].filter(control => !control.disabled);
        const index = controls.indexOf(document.activeElement);
        controls[(index + (event.shiftKey ? -1 : 1) + controls.length) % controls.length].focus();
      }
    });
    close.focus();
    function renderResults() {
      if (!loaded || active?.modal !== modal || overlay.hidden) return;
      const items = failure ? [] : search.filter(loadedItems);
      content.textContent = "";
      status.textContent = failure || (loadedItems.length
        ? `${items.length} of ${loadedItems.length} installed base items${items.length ? "" : ". No matching records."}`
        : "No installed base items found for this customer.");
      status.setAttribute("role", failure ? "alert" : "status");
      content.append(status);
      if (!failure && items.length) content.append(createTable(items, false, sorting, key => {
        renderResults();
        content.querySelector(`[data-sort-key="${key}"]`)?.focus();
      }));
      content.scrollTop = 0;
    }
    return { render(items, error = "") {
      // A closed or replaced dialog must never receive a late response.
      if (active?.modal !== modal || overlay.hidden) return;
      modal.setAttribute("aria-busy", "false");
      loadedItems = items; failure = error; loaded = true;
      search.reset();
      renderResults();
    } };
  }
  return { openInstallBaseModal, closeInstallBaseModal, createTable };
}