{% extends 'base.html' %}
{% load i18n static %}
{% load custom_filters %}
{%block title%} {% trans 'Upgrade Plan' %} {%endblock%}

{% block customCSS %}
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.0/css/all.min.css" integrity="sha512-X..." crossorigin="anonymous" referrerpolicy="no-referrer" />

  <style>
    .pricing-card .card {
      transition: all 0.3s ease-in-out;
    }

    .pricing-card .card.selected {
      border-color: #0d6efd;
      box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.4);
    }

    .btn-check:checked + .btn .card {
    /* fallback if JS fails */
      border-color: #0d6efd;
      box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
    }

    .card.selected {
      border-color: #0d6efd;
      box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.4);
    }

    .summary-box {
      border: 1px solid #8d8f94;
      border-radius: 0.5rem;
      padding: 1.5rem;
    }

    .summary-box h5 {
      padding-bottom: 0.5rem;
      margin-bottom: 1rem;
    }

    .summary-item {
      margin-bottom: 0.75rem;
    }

    .form-label {
      font-weight: 500;
    }
  </style>
{% endblock customCSS %}

{% block content %}
  <div class="container py-5">
    <h1 class="text-center mb-5">{{ _("Choose Your Plan")}}</h1>
    <form method="POST" action="{% url 'submit_plan' %}" id="wizardForm">
      {% csrf_token %}
    <!-- Step 1: Plan Selection -->
      <div class="step" id="step1">
        <h4 class="mb-4">1. {{ _("Select a Plan")}}</h4>
        <div class="row g-4">
          {% for pp in plan_list %}
            <div class="col-md-6 col-lg-3">
              <input type="radio" class="btn-check" name="selected_plan" id="plan_{{ forloop.counter }}" value="{{ pp.id }}"
                     data-name="{{ pp.plan.name }}" data-price="{{ pp.price }}" autocomplete="off" {% if forloop.first %}checked{% endif %}>
              <label class="btn w-100 p-0 pricing-card" for="plan_{{ forloop.counter }}">
                <div class="card h-100 border border-2 rounded-4">
                  <div class="card-body p-4">
                    <h4 class="mb-3">{{ pp.plan.name }}</h4>
                    <h5 class="mb-4">{{ pp.price }} <span class="icon-saudi_riyal"></span><span class="fs-6 fw-normal">/ {{ pp.pricing.period  }}</span> {% trans "days" %}</h5>
                    <h6>{{ _("Included") }}</h6>
                    <ul class="fa-ul ps-3">
                      {% if pp.plan.description %}
                        {% for line in pp.plan.description|splitlines %}
                          <li class="mb-2">
                            <span class="fa-li"><i class="fas fa-check text-primary"></i></span>
                            {{ line }}
                          </li>
                        {% endfor %}
                      {% endif %}
                    </ul>
                  </div>
                </div>
              </label>
            </div>
          {% endfor %}
        </div>
      </div>

    <!-- Step 2: User Info -->
      <div class="step d-none" id="step2">
        <h4 class="mb-4">2. {{ _("Enter Your Information")}}</h4>
        <div class="row g-3">
          <div class="col-md-6">
            <label class="form-label" for="first_name">{{ _("First Name")}}</label>
            <div class="input-group">
              <span class="input-group-text"><i class="fas fa-user"></i></span>
              <input type="text" name="first_name" id="first_name" class="form-control form-control-sm" required placeholder="{{ _("First Name")}}" value="{{ request.user.first_name }}">
            </div>
          </div>
          <div class="col-md-6">
            <label class="form-label" for="last_name">{{ _("Last Name")}}</label>
            <div class="input-group">
              <span class="input-group-text"><i class="fas fa-user"></i></span>
              <input type="text" name="last_name" id="last_name" class="form-control form-control-sm" required placeholder="{{ _("Last Name")}}" value="{{ request.user.last_name }}">
            </div>
          </div>
          <div class="col-md-6">
            <label class="form-label" for="email">{{ _("Email Address")}}</label>
            <div class="input-group">
              <span class="input-group-text"><i class="fas fa-envelope"></i></span>
              <input type="email" name="email" id="email" class="form-control form-control-sm" required placeholder="email@example.com" value="{{ request.user.email }}">
            </div>
          </div>
          <div class="col-md-6">
            <label class="form-label" for="phone">{{ _("Phone Number")}}</label>
            <div class="input-group">
              <span class="input-group-text"><i class="fas fa-phone"></i></span>
              <input type="text" name="phone" id="phone" class="form-control form-control-sm" dir="ltr" placeholder="{{ _("Phone Number")}}" value="{{ request.user.dealer.phone_number.raw_input }}" required>
            </div>
          </div>
          <div class="col-md-6">
            <label class="form-label" for="company">{{ _("Company") }}</label>
            <div class="input-group">
              <span class="input-group-text"><i class="fas fa-building"></i></span>
              <input type="text" name="company" id="company" class="form-control form-control-sm" placeholder="{{ _("Company") }}" value="{{ request.user.dealer.get_local_name }}">
            </div>
          </div>
        </div>
      </div>

    <!-- Step 3: Payment -->
      <div class="step d-none" id="step3">
        <h4 class="mb-4">3. {{ _("Payment Information")}}</h4>
        <div class="row g-3">
          <div class="col-md-6">
            <label class="form-label" for="card_name">{{ _("Cardholder Name")}}</label>
            <div class="input-group">
              <span class="input-group-text"><i class="fas fa-user"></i></span>
              <input type="text" name="card_name" id="card_name" class="form-control form-control-sm" placeholder="{{ _("Cardholder Name")}}" required>
            </div>
          </div>

          <div class="col-md-6">
            <label class="form-label" for="card_number">{{ _("Card Number")}}</label>
            <div class="input-group">
              <span class="input-group-text"><i class="fas fa-credit-card"></i></span>
              <input type="text" name="card_number" id="card_number" class="form-control form-control-sm" placeholder="{{ _("Card Number")}}"
                     maxlength="19" pattern="^\d{4}\s\d{4}\s\d{4}\s\d{4}$"
                     inputmode="numeric" required title="Enter a 16-digit card number">
            </div>
          </div>

          <div class="col-md-4">
            <label class="form-label" for="card_expiry">{{ _("Expiry Date")}} (MM/YY)</label>
            <div class="input-group">
              <span class="input-group-text"><i class="far fa-calendar-alt"></i></span>
              <input type="text" name="card_expiry" id="card_expiry" class="form-control form-control-sm" placeholder="{{ _("Expiry Date")}}"
                     maxlength="5" pattern="^(0[1-9]|1[0-2])\/\d{2}$"
                     inputmode="numeric" required title="Enter expiry in MM/YY format">
            </div>
          </div>

          <div class="col-md-2">
            <label class="form-label" for="card_cvv">{{ _("CVV") }}</label>
            <div class="input-group">
              <span class="input-group-text"><i class="fas fa-lock"></i></span>
              <input type="text" name="card_cvv" id="card_cvv" class="form-control form-control-sm" placeholder="{{ _("CVV") }}"
                     maxlength="3" pattern="^\d{3}$"
                     inputmode="numeric" required title="Enter 3-digit CVV">
            </div>
          </div>
        </div>
      </div>

    <!-- Step 4: Confirmation -->
      <div class="step d-none" id="step4">
        <h4 class="mb-4">4. {{ _("Confirm Your Information")}}</h4>
        <div class="summary-box">
          <h5><i class="fas fa-file-invoice-dollar me-2"></i>{{ _("Order Summary")}}</h5>
          <div class="summary-item"><i class="fas fa-box"></i><strong>{{ _("Plan") }}:</strong> <span id="summary_plan"></span></div>
          <div class="summary-item"><i class="fas fa-tag"></i><strong>{{ _("Price") }}:</strong> <span id="summary_price"></span></div>
          <div class="summary-item"><i class="fas fa-receipt"></i><strong>{{ _("VAT") }} (15%):</strong> <span id="summary-tax">0.00</span> <span class="icon-saudi_riyal"></span></div>
          <hr>
          <div class="summary-item"><i class="fas fa-hand-holding-usd"></i><strong>{{ _("Total") }}:</strong> <span id="summary-total">0.00</span> <span class="icon-saudi_riyal"></span></div>

          <h5 class="mt-4"><i class="fas fa-user me-2"></i>{{ _("User Information")}}</h5>
          <div class="summary-item"><i class="fas fa-signature"></i><strong>{{ _("Name") }}:</strong> <span id="summary_name"></span></div>
          <div class="summary-item"><i class="fas fa-envelope"></i><strong>{{ _("Email") }}:</strong> <span id="summary_email"></span></div>
          <div class="summary-item"><i class="fas fa-building"></i><strong>{{ _("Company") }}:</strong> <span id="summary_company"></span></div>
          <div class="summary-item"><i class="fas fa-phone"></i><strong>{{ _("Phone") }}:</strong> <span id="summary_phone"></span></div>

          <h5 class="mt-4"><i class="fas fa-credit-card me-2"></i>{{ _("Payment") }}</h5>
          <div class="summary-item"><i class="fas fa-user"></i><strong>{{ _("Cardholder") }}:</strong> <span id="summary_card_name"></span></div>
          <div class="summary-item"><i class="fas fa-credit-card"></i><strong>{{ _("Card Number")}}:</strong> <span id="summary_card_number"></span></div>
          <div class="summary-item"><i class="far fa-calendar-alt"></i><strong>{{ _("Expiry") }}:</strong> <span id="summary_card_expiry"></span></div>
        </div>
      </div>

    <!-- Navigation -->
      <div class="d-flex justify-content-between mt-4">
        <button type="button" class="btn btn-phoenix-secondary" id="prevBtn" disabled>{{ _("Previous") }}</button>
        <button type="button" class="btn btn-phoenix-primary" id="nextBtn">{{ _("Next") }}</button>
        <button type="submit" class="btn btn-phoenix-success d-none" id="submitBtn">{{ _("Confirm") }}</button>
      </div>
    </form>
  </div>
{% endblock content %}

{% block customJS %}
  <script>
    document.addEventListener("DOMContentLoaded", function () {
      const form = document.getElementById('wizardForm');

      form.addEventListener('submit', function(e) {
        e.preventDefault(); // Prevent default form submission

                // Show loading alert
        Swal.fire({
          title: 'Processing...',
          html: 'Please wait while we submit your form',
          allowOutsideClick: false,
          didOpen: () => {
            Swal.showLoading();
          }
        });

                // Submit the form after a slight delay to ensure Swal is shown
        setTimeout(() => {
          form.submit();
        }, 100);
      });

      const radios = document.querySelectorAll('.btn-check');
      radios.forEach(radio => {
        radio.addEventListener('change', function () {
          document.querySelectorAll('.pricing-card .card').forEach(card => {
            card.classList.remove('selected');
          });
          if (this.checked) {
            const selectedCard = document.querySelector(`label[for="${this.id}"] .card`);
            selectedCard.classList.add('selected');
          }
        });

        // Trigger change on page load if checked
        if (radio.checked) {
          const selectedCard = document.querySelector(`label[for="${radio.id}"] .card`);
          selectedCard.classList.add('selected');
        }
      });

      //////////////////////////////////////////////////////////////////////////////////////
      //////////////////////////////////////////////////////////////////////////////////////
      let currentStep = 0;
      const steps = document.querySelectorAll(".step");
      const nextBtn = document.getElementById("nextBtn");
      const prevBtn = document.getElementById("prevBtn");
      const submitBtn = document.getElementById("submitBtn");

      function showStep(index) {
        steps.forEach((step, i) => {
          step.classList.toggle("d-none", i !== index);
        });
        prevBtn.disabled = index === 0;
        nextBtn.classList.toggle("d-none", index === steps.length - 1);
        submitBtn.classList.toggle("d-none", index !== steps.length - 1);

        // If last step, populate summary
        if (index === steps.length - 1) {
          populateSummary();
        }
      }

      function populateSummary() {
        const selectedPlan = document.querySelector('input[name="selected_plan"]:checked');
        document.getElementById("summary_plan").textContent = selectedPlan.dataset.name;
        document.getElementById("summary_price").textContent = selectedPlan.dataset.price;

        /*const currencyElement = document.createElement("span");
        currencyElement.classList.add("currency");
        currencyElement.textContent = "<span class="icon-saudi_riyal"></span>";
        document.getElementById("summary_price").appendChild(currencyElement);*/

        document.getElementById("summary_name").textContent = document.getElementById("first_name").value + " " + document.getElementById("last_name").value;
        document.getElementById("summary_email").textContent = document.getElementById("email").value;
        document.getElementById("summary_company").textContent = document.getElementById("company").value;
        document.getElementById("summary_phone").textContent = document.getElementById("phone").value;

        document.getElementById("summary_card_name").textContent = document.getElementById("card_name").value;
        document.getElementById("summary_card_number").textContent = maskCard(document.getElementById("card_number").value);
        document.getElementById("summary_card_expiry").textContent = document.getElementById("card_expiry").value;
      }

      function maskCard(cardNumber) {
        const last4 = cardNumber.slice(-4);
        return "**** **** **** " + last4;
      }

      nextBtn.addEventListener("click", () => {
        if (currentStep < steps.length - 1) {
          currentStep++;
          showStep(currentStep);
        }
      });

      prevBtn.addEventListener("click", () => {
        if (currentStep > 0) {
          currentStep--;
          showStep(currentStep);
        }
      });

      // Highlight selected plan
      document.querySelectorAll(".btn-check").forEach(input => {
        input.addEventListener("change", () => {
          document.querySelectorAll(".pricing-card .card").forEach(card => card.classList.remove("selected"));
          document.querySelector(`label[for="${input.id}"] .card`).classList.add("selected");
        });

        if (input.checked) {
          document.querySelector(`label[for="${input.id}"] .card`).classList.add("selected");
        }
      });

      showStep(currentStep);
      //////////////////////////////////////////////////////////////////////////////////////
      const cardNumberInput = document.getElementById("card_number");
      cardNumberInput.addEventListener("input", function (e) {
        let val = cardNumberInput.value.replace(/\D/g, "").substring(0, 16); // Only digits
        let formatted = val.replace(/(.{4})/g, "$1 ").trim();
        cardNumberInput.value = formatted;
      });

      // Format expiry date as MM/YY
      const expiryInput = document.getElementById("card_expiry");
      expiryInput.addEventListener("input", function (e) {
        let val = expiryInput.value.replace(/\D/g, "").substring(0, 4); // Only digits
        if (val.length >= 3) {
          val = val.substring(0, 2) + "/" + val.substring(2);
        }
        expiryInput.value = val;
      });

      //////////////////////////////////////////////////////////////////////////////////////
      const planInputs = document.querySelectorAll("input[name='selected_plan']");
      const summaryPlanName = document.getElementById("summary_plan");
      const summaryPrice = document.getElementById("summary_price"); //summary_price
      const summaryTax = document.getElementById("summary-tax");
      const summaryTotal = document.getElementById("summary-total");

      function updateSummary() {
        const selectedPlan = document.querySelector('input[name="selected_plan"]:checked');
        if (selectedPlan) {
          const price = parseFloat(selectedPlan.dataset.price);
          const tax = price * 0.15;
          const total = price + tax;

          document.getElementById("summary_price").textContent = price.toFixed(2);
          document.getElementById("summary-tax").textContent = tax.toFixed(2);
          document.getElementById("summary-total").textContent = total.toFixed(2);
        }
      }


      planInputs.forEach(input => input.addEventListener("change", updateSummary));
      updateSummary(); // Initial call
    });
  </script>

{% endblock customJS %}