$(document).ready(function () {
    $("#seniors_addresssearch").val("");
});
    (function(webapi, $){
    function safeAjax(ajaxOptions) {
      var deferredAjax = $.Deferred();
  
      shell.getTokenDeferred().done(function (token) {
        // add headers for AJAX
        if (!ajaxOptions.headers) {
          $.extend(ajaxOptions, {
            headers: {
              "__RequestVerificationToken": token
            }
          }); 
        } else {
          ajaxOptions.headers["__RequestVerificationToken"] = token;
        }
        $.ajax(ajaxOptions)
          .done(function(data, textStatus, jqXHR) {
            validateLoginSession(data, textStatus, jqXHR, deferredAjax.resolve);
          }).fail(deferredAjax.reject); //AJAX
      }).fail(function () {
        deferredAjax.rejectWith(this, arguments); // on token failure pass the token AJAX and args
      });
  
      return deferredAjax.promise();  
    }
    webapi.safeAjax = safeAjax;
  })(window.webapi = window.webapi || {}, jQuery)

function initializeAddressAutocomplete() {
    var inputField = document.getElementById("seniors_addresssearch");
    if (!inputField) {
        console.error("seniors_addresssearch field not found.");
        return;
    }

    inputField.addEventListener("input", debounce(async function (event) {
        const inputValue = event.target.value;
        if (inputValue.trim().length < 3) return;
        await getAddressSuggestions(inputValue);
    }, 300));
}
async function getAddressSuggestions(inputValue) {
    try {
        const result = await webapi.safeAjax({
            type: "POST",
            url: "/_api/seniors_addressvalidationrequests",
            contentType: "application/json",
            data: JSON.stringify({ "seniors_addressinput": inputValue }),
            success: function (res, status, xhr) {
                const recordId = xhr.getResponseHeader("entityid");
                console.log("Created entity ID:", recordId);

                setTimeout(async () => {
                    const data = await webapi.safeAjax({
                        type: "GET",
                        url: `/_api/seniors_addressvalidationrequests(${recordId})?$select=seniors_addressresponse,seniors_processed`,
                        contentType: "application/json"
                    });

                    if (data.seniors_processed && data.seniors_addressresponse) {
                        const parsed = JSON.parse(data.seniors_addressresponse);
                        displaySuggestions(parsed.data || [], document.getElementById("seniors_addresssearch"));
                    }
                }, 1000);
            }
        });
    } catch (err) {
        console.error("Failed to create/retrieve address validation record:", err);
    }
}

function displaySuggestions(addresses, inputElement) {
    const suggestionBoxId = "suggestions-box";
    let suggestionBox = document.getElementById(suggestionBoxId);

    if (!suggestionBox) {
        suggestionBox = document.createElement("div");
        suggestionBox.id = suggestionBoxId;
        suggestionBox.style.border = "1px solid #ccc";
        suggestionBox.style.background = "#fff";
        suggestionBox.style.position = "absolute";
        suggestionBox.style.zIndex = "1000";
        suggestionBox.style.maxHeight = "200px";
        suggestionBox.style.overflowY = "auto";
        document.body.appendChild(suggestionBox);
    }

    suggestionBox.innerHTML = "";
      console.log("addresses.length : ", addresses.length );
    if (addresses.length == 0) {
        suggestionBox.textContent = "No Address Found";
        suggestionBox.style.display = "block";
    } else {
        addresses.forEach(addr => {
            const div = document.createElement("div");
            div.textContent = addr.suggestion || addr.fullAddress || "";
            div.style.padding = "8px";
            div.style.cursor = "pointer";
            div.addEventListener("click", () => {
                inputElement.value = addr.suggestion || addr.fullAddress || "";
                suggestionBox.style.display = "none";
                sendAddressToPortalForm(addr.lookupData || {});
            });
            suggestionBox.appendChild(div);
        });
    }

    const rect = inputElement.getBoundingClientRect();
    suggestionBox.style.top = `${rect.bottom + window.scrollY}px`;
    suggestionBox.style.left = `${rect.left + window.scrollX}px`;
    suggestionBox.style.width = `${rect.width}px`;
    suggestionBox.style.display = "block";
}


function debounce(func, delay) {
    let timer;
    return function (...args) {
        clearTimeout(timer);
        timer = setTimeout(() => func.apply(this, args), delay);
    };
}


  function getAntiForgeryToken() {
    return $('input[name="__RequestVerificationToken"]').val();
}

function waitForWebApi(callback) {
    if (window.webapi && typeof window.webapi.safeAjax === "function") {
        callback();
    } else {
        setTimeout(() => waitForWebApi(callback), 100);
    }
}

document.addEventListener("DOMContentLoaded", () => {
    waitForWebApi(initializeAddressAutocomplete);
});