{% extends 'base.html' %}
{% load i18n static %}
{% load custom_filters %}

{% 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);
    background-color: #f0f8ff;
  }

  .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);
    background-color: #f0f8ff;
  }

  .summary-box {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 0.5rem;
    padding: 1.5rem;
  }

  .summary-box h5 {
    border-bottom: 1px solid #dee2e6;
    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="currency">{{ CURRENCY }}</span><span class="fs-6 fw-normal">/ {{ _("Per month") }}</span></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">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" required placeholder="John" value="{{ request.user.first_name }}">
          </div>
        </div>
        <div class="col-md-6">
          <label class="form-label">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" required placeholder="Doe" value="{{ request.user.last_name }}">
          </div>
        </div>
        <div class="col-md-6">
          <label class="form-label">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" required placeholder="email@example.com" value="{{ request.user.email }}">
          </div>
        </div>
        <div class="col-md-6">
          <label class="form-label">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" required placeholder="056XXXXXXX" value="{{ request.user.dealer.phone_number.raw_input }}">
          </div>
        </div>
        <div class="col-md-6">
          <label class="form-label">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" placeholder="ABC Company">
          </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">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" placeholder="John Doe" required>
          </div>
        </div>

        <div class="col-md-6">
          <label class="form-label">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" placeholder="1234 5678 9012 3456"
                  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">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" placeholder="08/28"
                  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">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" placeholder="123"
                  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>Tax (15%):</strong> <span id="summary-tax">0.00</span> <span class="currency">{{ CURRENCY }}</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> {{ CURRENCY }}</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-outline-secondary" id="prevBtn" disabled>Previous</button>
      <button type="button" class="btn btn-primary" id="nextBtn">Next</button>
      <button type="submit" class="btn btn-success d-none" id="submitBtn">Confirm</button>
    </div>
  </form>
</div>
{% endblock content %}

  {% block customJS %}
  <script>
    document.addEventListener("DOMContentLoaded", function () {
      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 = "{{ CURRENCY }}";
        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) + " {{ CURRENCY }}";
      document.getElementById("summary-tax").textContent = tax.toFixed(2) + " {{ CURRENCY }}";
      document.getElementById("summary-total").textContent = total.toFixed(2) + " {{ CURRENCY }}";
    }
  }


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

  {% endblock customJS %}