$(document).ready(function () {
  let index = 1;
  let activeSection = null;

  function addOption(type, container) {
    // let optionIndex = container.children().length + 1;
    let optionHtml;
    if (type === "multiple-choice" || type === "checkboxes") {
      optionHtml = `
                                      <div class="option">
                                          <input type="${type === "multiple-choice" ? "radio" : "checkbox"}" disabled>
                                          <input type="text" class="form-control option-label" >
                                          <span class="delete-option-icon">&times;</span>
                                      </div>
                                  `;
    } else if (type === "dropdown") {
      optionHtml = `
                                      <div class="option">
                                          <input type="text" class="form-control option-label">
                                          <span class="delete-option-icon">&times;</span>
                                      </div>
                                  `;
    }
    container.append(optionHtml);
  }

  function createFormSection() {
    let newSection = `
            <div class="form-section" data-index="${index}">
                <div class="header-row">
                    ${index === 1 ? '<div class="violet-border"></div>' : ""}
                    <input type="text" class="form-control untitled-question" placeholder="Untitled Question" rows="1">                    <select class="custom-select">
                        <option value="short-answer">Short Answer</option>
                        <option value="paragraph">Paragraph</option>
                        <option value="multiple-choice">Multiple Choice</option>
                        <option value="checkboxes">Checkboxes</option>
                        <option value="dropdown">Dropdown</option>
                    </select>
                    <label class="toggle-switch">
                        <input type="checkbox" class="required-toggle">
                        <span class="slider"></span>
                    </label>
                    <span class="delete-section-icon"><i class="fas fa-trash-alt"></i></span>
                </div>
                <div class="options-container"></div>
            </div>
        `;
    $("#form-container").append(newSection);
    index++;
    positionAddSectionButton();
  }

  function positionAddSectionButton() {
    if (activeSection) {
      let position = activeSection.position();
      let buttonWidth = $("#add-section-btn").outerWidth();
      let buttonHeight = $("#add-section-btn").outerHeight();

      $("#add-section-btn").css({
        position: "absolute",
        left: position.left - buttonWidth - 47 + "px",
        top:
          position.top + activeSection.height() / 2 - buttonHeight / 2 + "px",
      });
    }
  }

  $("#add-section-btn").on("click", function () {
    createFormSection();
    $(".form-section").removeClass("active");
    activeSection = $(".form-section").last();
    activeSection.addClass("active");
    positionAddSectionButton();
  });

  $(document).on("change", ".custom-select", function () {
    let type = $(this).val();
    let container = $(this).closest(".form-section").find(".options-container");
    container.empty();
    $(this).closest(".form-section").find(".add-option-btn").remove();

    if (type === "short-answer") {
      container.append(
        '<input type="text" class="form-control" disabled placeholder="Short answer text">',
      );
    } else if (type === "paragraph") {
      container.append(
        '<textarea class="form-control" disabled placeholder="Paragraph text"></textarea>',
      );
    } else {
      addOption(type, container);
      $(this)
        .closest(".form-section")
        .append(
          '<button class="btn btn-secondary add-option-btn">Add Option</button>',
        );
    }
  });

  $(document).on("click", ".add-option-btn", function () {
    let type = $(this).closest(".form-section").find(".custom-select").val();
    let container = $(this).closest(".form-section").find(".options-container");
    addOption(type, container);
  });

  $(document).on("click", ".delete-section-icon", function () {
    let section = $(this).closest(".form-section");
    let prevSection = section.prev(".form-section");
    let nextSection = section.next(".form-section");
    section.remove();
    if (section.hasClass("active")) {
      activeSection = null;
    }
    if (prevSection.length > 0) {
      prevSection
        .find(".delete-section-icon")
        .appendTo(prevSection.find(".form-section"));
      activeSection = prevSection;
      row;
    } else if (nextSection.length > 0) {
      nextSection
        .find(".delete-section-icon")
        .appendTo(nextSection.find(".form-header"));
      activeSection = nextSection;
    }
    positionAddSectionButton();
  });

  $(document).on("click", ".delete-option-icon", function () {
    let option = $(this).closest(".option");
    let container = option.closest(".options-container");
    option.remove();
  });

  $(document).on("click", ".required-toggle", function () {
    $(this).closest(".form-section").toggleClass("required");
  });

  $("#preview-btn").on("click", function () {
    let previewWindow = window.open("", "_blank");
    let previewContent = `
            <html>
            <head>
                <title>Form Preview</title>
                <link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" rel="stylesheet">
                <style>
                    body { background-color: rgb(240, 235, 248); }
                    .container { margin-top: 30px; }
                    .form-section {background-color: white;width: 56%;margin-bottom: 30px;margin-left: 240px;padding: 20px;position: relative;align-items: center;border-radius: 10px;box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); }
                    .form-header {background-color: white;padding: 20px;margin-bottom: 10px;margin-left: 240px;border-radius: 10px 10px 0 0;display: flex;justify-content: space-between;align-items: center; position: relative;box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);border-top: 10px solid rgb(103, 58, 183);width: 56%; }
                    .form-section h2 { text-align: center; margin-bottom: 30px; }
                    .form-section .question-section { margin-bottom: 20px; } /* Add margin-bottom to the question section */
                </style>
            </head>
            <body>
                <div class="container">
                    <div class="form-header">
                        <h3>Form Preview</h3>
                    </div>
        `;
    $(".form-section").each(function () {
      previewContent += '<div class="form-section">';
      previewContent += '<div class="question-section">';
      previewContent +=
        '<div class="question-label">' +
        $(this).find(".untitled-question").val() +
        "</div>";
      previewContent += "</div>";
      let type = $(this).find(".custom-select").val();
      let optionsContainer = $(this).find(".options-container");

      if (type === "multiple-choice") {
        optionsContainer.find(".option").each(function () {
          previewContent += `
                        <div class="option">
                            <input type="radio" name="option-${index}">
                            <label>${$(this).find(".option-label").val()}</label>
                        </div>
                    `;
        });
      } else if (type === "checkboxes") {
        optionsContainer.find(".option").each(function () {
          previewContent += `
                        <div class="option">
                            <input type="checkbox">
                            <label>${$(this).find(".option-label").val()}</label>
                        </div>
                    `;
        });
      } else if (type === "short-answer") {
        previewContent +=
          '<input type="text" class="form-control" placeholder="Short answer text">';
      } else if (type === "paragraph") {
        previewContent +=
          '<textarea class="form-control" placeholder="Paragraph text"></textarea>';
      } else if (type === "dropdown") {
        let dropdownHtml = '<select class="form-control">';
        optionsContainer.find(".option .option-label").each(function () {
          dropdownHtml += `<option>${$(this).val()}</option>`;
        });
        dropdownHtml += "</select>";
        previewContent += dropdownHtml;
      }
      previewContent += "</div>";
    });
    previewContent += `
                </div>
            </body>
            </html>
        `;
    previewWindow.document.write(previewContent);
    previewWindow.document.close();
  });

  $(document).on("click", ".form-section", function () {
    $(".form-section").removeClass("active");
    $(this).addClass("active");
    activeSection = $(this);
    positionAddSectionButton();
  });

  $("#form-container").sortable({
    placeholder: "ui-state-highlight",
    start: function (event, ui) {
      ui.placeholder.height(ui.item.height());
    },
    stop: function (event, ui) {
      positionAddSectionButton();
    },
  });

  function collectFormData() {
    var formData = {
      questions: [],
    };

    $(".form-section").each(function () {
      var questionType = $(this).find(".custom-select").val();
      var questionData = {
        text: $(this).find(".untitled-question").val(),
        type: questionType,
        is_required: $(this).find(".required-toggle").is(":checked"),
        options: [],
      };

      // Only add options if the question type supports them
      if (
        questionType === "multiple-choice" ||
        questionType === "checkboxes" ||
        questionType === "dropdown"
      ) {
        $(this)
          .find(".option-label")
          .each(function () {
            questionData.options.push($(this).val());
          });
      }

      formData.questions.push(questionData);
    });

    console.log(formData);
    return formData;
  }

  function validateFormData(formData) {
    for (let question of formData.questions) {
      if (!question.text.trim()) {
        return { isValid: false, message: "All questions must have text." };
      }
      if (
        (question.type === "multiple-choice" ||
          question.type === "checkboxes" ||
          question.type === "dropdown") &&
        question.options.length === 0
      ) {
        return {
          isValid: false,
          message: "All options-based questions must have at least one option.",
        };
      }
      for (let option of question.options) {
        if (!option.trim()) {
          return { isValid: false, message: "All options must have text." };
        }
      }
    }
    return { isValid: true };
  }
  $("#submit-btn").on("click", function () {
    let formData = collectFormData();
    console.log(formData);

    let validation = validateFormData(formData);
    if (!validation.isValid) {
      alert(validation.message);
      return;
    }

    $.ajax({
      url: base_url + "New_form_controller/submit_form",
      type: "POST",
      data: { formData: formData },
      dataType: "JSON",
      success: function (response) {
        if (response.status === "success") {
          Swal.fire({
            title: "Success!",
            text: "Form submitted successfully!",
            icon: "success",
            confirmButtonText: "OK",
          }).then((result) => {
            window.location.href = base_url;
          });
        } else {
          Swal.fire({
            title: "Error!",
            text: response.message,
            icon: "error",
            confirmButtonText: "OK",
          });
          console.log(response);
        }
      },
      error: function (error) {
        Swal.fire({
          title: "Error!",
          text: "Error submitting form!",
          icon: "error",
          confirmButtonText: "OK",
          width: "400px",
          height: "300px",
          padding: "auto",
        }).then((result) => {
          if (result.isConfirmed) {
            window.location.href = home;
          }
        });
        console.log(error);
      },
    });
  });

  $("#form-container").disableSelection();
});