{% extends "layouts/base.html" %}
{% load i18n static %}

{% block extra_css %}
<style>
.page-header-gradient {
    background: linear-gradient(135deg, #005696 0%, #0069a8 50%, #007bbd 100%);
    color: white;
    padding: 1.5rem 2rem;
    border-radius: 1rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 86, 150, 0.2);
}

.form-section {
    background: #fff;
    border: 2px solid #e2e8f0;
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}
.form-section:hover {
    border-color: #005696;
    box-shadow: 0 4px 12px rgba(0, 86, 150, 0.1);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.form-control, .form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 0.75rem;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}
.form-control:focus, .form-select:focus {
    outline: none;
    border-color: #005696;
    box-shadow: 0 0 0 3px rgba(0, 86, 150, 0.1);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: #005696;
    color: white;
    border-radius: 0.75rem;
    font-weight: 600;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}
.btn-primary:hover {
    background: #007bbd;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: white;
    color: #64748b;
    border: 2px solid #e2e8f0;
    border-radius: 0.75rem;
    font-weight: 600;
    transition: all 0.2s ease;
}
.btn-secondary:hover {
    background: #f1f5f9;
    border-color: #005696;
}

.question-card {
    background: #fff;
    border: 2px solid #e2e8f0;
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
    position: relative;
    transition: all 0.3s ease;
}
.question-card:hover {
    border-color: #005696;
    box-shadow: 0 4px 12px rgba(0, 86, 150, 0.1);
}
</style>
{% endblock %}

{% block title %}{% if template %}{% trans "Edit Survey Template" %}{% else %}{% trans "Create Survey Template" %}{% endif %} - PX360{% endblock %}

{% block content %}
<div class="p-6">
    <!-- Page Header -->
    <div class="page-header-gradient">
        <div class="flex justify-between items-center">
            <div>
                <h1 class="text-2xl font-bold flex items-center gap-3">
                    <i data-lucide="file-text" class="w-6 h-6"></i>
                    {% if template %}{% trans "Edit Survey Template" %}{% else %}{% trans "Create Survey Template" %}{% endif %}
                </h1>
                <p class="text-blue-100 text-sm mt-1">
                    {% if template %}{% trans "Modify this survey template and its questions" %}{% else %}{% trans "Create a new survey template with questions" %}{% endif %}
                </p>
            </div>
            <a href="{% url 'surveys:template_list' %}" class="btn-secondary bg-white/10 border-white/30 text-white hover:bg-white hover:text-navy">
                <i data-lucide="arrow-left" class="w-4 h-4"></i>
                {% trans "Back to Templates" %}
            </a>
        </div>
    </div>

    <!-- Form -->
    <div class="form-section p-0 overflow-hidden">
        <div class="p-6">
            <form method="post" id="template-form">
                {% csrf_token %}
                {{ formset.management_form }}

                <!-- General Settings -->
                <div class="flex items-center gap-3 mb-6 pb-4 border-b border-slate-200">
                    <div class="w-10 h-10 bg-blue/10 rounded-xl flex items-center justify-center">
                        <i data-lucide="settings" class="w-5 h-5 text-blue"></i>
                    </div>
                    <h2 class="text-lg font-bold text-navy">{% trans "General Settings" %}</h2>
                </div>

                <div class="grid grid-cols-1 md:grid-cols-2 gap-4 mb-6">
                    <div>
                        <label for="{{ form.name.id_for_label }}" class="form-label">
                            {% trans "Template Name (English)" %} <span class="text-red-600">*</span>
                        </label>
                        {{ form.name }}
                        {% if form.name.errors %}
                            <div class="mt-1 text-sm text-red-600">{{ form.name.errors }}</div>
                        {% endif %}
                    </div>
                    <div>
                        <label for="{{ form.name_ar.id_for_label }}" class="form-label">
                            {% trans "Template Name (Arabic)" %}
                        </label>
                        {{ form.name_ar }}
                        {% if form.name_ar.errors %}
                            <div class="mt-1 text-sm text-red-600">{{ form.name_ar.errors }}</div>
                        {% endif %}
                    </div>
                </div>

                <div class="grid grid-cols-1 md:grid-cols-3 gap-4 mb-6">
                    <div>
                        <label for="{{ form.hospital.id_for_label }}" class="form-label">
                            {% trans "Hospital" %}
                        </label>
                        {% if not form.hospital.is_hidden %}
                        {{ form.hospital }}
                        {% else %}
                            {{ form.hospital }}
                        {% endif %}
                        {% if form.hospital.errors %}
                            <div class="mt-1 text-sm text-red-600">{{ form.hospital.errors }}</div>
                        {% endif %}
                        <p class="mt-1 text-xs text-slate">{% trans "Leave blank to apply to all hospitals" %}</p>
                    </div>
                    <div>
                        <label for="{{ form.survey_type.id_for_label }}" class="form-label">
                            {% trans "Survey Type" %} <span class="text-red-600">*</span>
                        </label>
                        {{ form.survey_type }}
                        {% if form.survey_type.errors %}
                            <div class="mt-1 text-sm text-red-600">{{ form.survey_type.errors }}</div>
                        {% endif %}
                    </div>
                    <div>
                        <label for="{{ form.scoring_method.id_for_label }}" class="form-label">
                            {% trans "Scoring Method" %} <span class="text-red-600">*</span>
                        </label>
                        {{ form.scoring_method }}
                        {% if form.scoring_method.errors %}
                            <div class="mt-1 text-sm text-red-600">{{ form.scoring_method.errors }}</div>
                        {% endif %}
                    </div>
                </div>

                <div class="grid grid-cols-1 md:grid-cols-3 gap-4 mb-6">
                    <div>
                        <label for="{{ form.negative_threshold.id_for_label }}" class="form-label">
                            {% trans "Negative Threshold" %}
                        </label>
                        {{ form.negative_threshold }}
                        {% if form.negative_threshold.errors %}
                            <div class="mt-1 text-sm text-red-600">{{ form.negative_threshold.errors }}</div>
                        {% endif %}
                        <p class="mt-1 text-xs text-slate">{% trans "Score below this is flagged as negative" %}</p>
                    </div>
                    <div class="mt-6">
                        <label class="flex items-center gap-2 cursor-pointer">
                            {{ form.is_active }}
                            <span class="text-sm text-slate">{% trans "Active template" %}</span>
                        </label>
                        {% if form.is_active.errors %}
                            <div class="mt-1 text-sm text-red-600">{{ form.is_active.errors }}</div>
                        {% endif %}
                    </div>
                </div>

                <hr class="my-6 border-slate-200">

                <!-- Questions Section -->
                <div class="flex items-center justify-between mb-6 pb-4 border-b border-slate-200">
                    <div class="flex items-center gap-3">
                        <div class="w-10 h-10 bg-purple-100 rounded-xl flex items-center justify-center">
                            <i data-lucide="list-ordered" class="w-5 h-5 text-purple-600"></i>
                        </div>
                        <h2 class="text-lg font-bold text-navy">{% trans "Questions" %}</h2>
                    </div>
                    <button type="button" id="add-question-btn" class="btn-primary bg-purple-600 hover:bg-purple-700">
                        <i data-lucide="plus" class="w-4 h-4"></i>
                        {% trans "Add Question" %}
                    </button>
                </div>

                <div id="questions-container">
                    {% for form in formset %}
                    <div class="question-card" data-question-form>
                        <div class="flex justify-between items-center mb-4">
                            <h3 class="font-bold text-navy text-sm">
                                <i data-lucide="help-circle" class="w-4 h-4 inline mr-1"></i>
                                {% trans "Question" %} {{ forloop.counter }}
                            </h3>
                            <button type="button" class="remove-question-btn p-1.5 text-red-400 hover:text-red-600 hover:bg-red-50 rounded-lg transition" title="{% trans "Remove question" %}">
                                <i data-lucide="trash-2" class="w-4 h-4"></i>
                            </button>
                        </div>
                        {{ form.id }}
                        <div class="grid grid-cols-1 md:grid-cols-2 gap-4 mb-4">
                            <div>
                                <label for="{{ form.text.id_for_label }}_{{ forloop.counter0 }}" class="form-label">
                                    {% trans "Question (English)" %} <span class="text-red-600">*</span>
                                </label>
                                {{ form.text }}
                                {% if form.text.errors %}
                                    <div class="mt-1 text-sm text-red-600">{{ form.text.errors }}</div>
                                {% endif %}
                            </div>
                            <div>
                                <label for="{{ form.text_ar.id_for_label }}_{{ forloop.counter0 }}" class="form-label">
                                    {% trans "Question (Arabic)" %}
                                </label>
                                {{ form.text_ar }}
                                {% if form.text_ar.errors %}
                                    <div class="mt-1 text-sm text-red-600">{{ form.text_ar.errors }}</div>
                                {% endif %}
                            </div>
                        </div>
                        <div class="grid grid-cols-1 md:grid-cols-3 gap-4 mb-4">
                            <div>
                                <label class="form-label">
                                    {% trans "Question Type" %} <span class="text-red-600">*</span>
                                </label>
                                {{ form.question_type }}
                                {% if form.question_type.errors %}
                                    <div class="mt-1 text-sm text-red-600">{{ form.question_type.errors }}</div>
                                {% endif %}
                            </div>
                            <div>
                                <label class="form-label">
                                    {% trans "Order" %}
                                </label>
                                {{ form.order }}
                                {% if form.order.errors %}
                                    <div class="mt-1 text-sm text-red-600">{{ form.order.errors }}</div>
                                {% endif %}
                            </div>
                            <div class="mt-6">
                                <label class="flex items-center gap-2 cursor-pointer">
                                    {{ form.is_required }}
                                    <span class="text-sm text-slate">{% trans "Required" %}</span>
                                </label>
                                {% if form.is_required.errors %}
                                    <div class="mt-1 text-sm text-red-600">{{ form.is_required.errors }}</div>
                                {% endif %}
                            </div>
                        </div>
                        <div class="grid grid-cols-1 md:grid-cols-2 gap-4 mb-4">
                            <div class="mt-6">
                                <label class="flex items-center gap-2 cursor-pointer">
                                    {{ form.is_base }}
                                    <span class="text-sm text-slate">{% trans "Base Question (always included)" %}</span>
                                </label>
                                <p class="mt-1 text-xs text-slate">{% trans "Base questions are always shown regardless of patient events" %}</p>
                            </div>
                            <div>
                                <label class="form-label">
                                    {% trans "Event Type" %}
                                </label>
                                {{ form.event_type }}
                                {% if form.event_type.errors %}
                                    <div class="mt-1 text-sm text-red-600">{{ form.event_type.errors }}</div>
                                {% endif %}
                                <p class="mt-1 text-xs text-slate">{% trans "HIS event type that triggers this question (leave blank for base)" %}</p>
                            </div>
                        </div>
                        <div class="choices-field {% if form.question_type.value not in 'multiple_choice,single_choice' %}hidden{% endif %}">
                            <label class="form-label">
                                {% trans "Choices (JSON)" %}
                            </label>
                            {{ form.choices_json }}
                            {% if form.choices_json.errors %}
                                <div class="mt-1 text-sm text-red-600">{{ form.choices_json.errors }}</div>
                            {% endif %}
                            <p class="mt-1 text-xs text-slate">{% trans "JSON array of choices. Format: [{&quot;value&quot;: &quot;1&quot;, &quot;label&quot;: &quot;Option 1&quot;, &quot;label_ar&quot;: &quot;خيار 1&quot;}]" %}</p>
                        </div>
                        {% if form.non_field_errors %}
                            <div class="mt-2 text-sm text-red-600">{{ form.non_field_errors }}</div>
                        {% endif %}
                    </div>
                    {% endfor %}
                </div>

                <!-- Empty form template (hidden) -->
                <div id="empty-form" class="hidden">
                    <div class="question-card" data-question-form>
                        <div class="flex justify-between items-center mb-4">
                            <h3 class="font-bold text-navy text-sm">
                                <i data-lucide="help-circle" class="w-4 h-4 inline mr-1"></i>
                                {% trans "Question" %} <span class="question-number"></span>
                            </h3>
                            <button type="button" class="remove-question-btn p-1.5 text-red-400 hover:text-red-600 hover:bg-red-50 rounded-lg transition" title="{% trans "Remove question" %}">
                                <i data-lucide="trash-2" class="w-4 h-4"></i>
                            </button>
                        </div>
                        __PREFIX__
                        <div class="grid grid-cols-1 md:grid-cols-2 gap-4 mb-4">
                            <div>
                                <label class="form-label">
                                    {% trans "Question (English)" %} <span class="text-red-600">*</span>
                                </label>
                                {{ formset.empty_form.text }}
                            </div>
                            <div>
                                <label class="form-label">
                                    {% trans "Question (Arabic)" %}
                                </label>
                                {{ formset.empty_form.text_ar }}
                            </div>
                        </div>
                        <div class="grid grid-cols-1 md:grid-cols-3 gap-4 mb-4">
                            <div>
                                <label class="form-label">
                                    {% trans "Question Type" %} <span class="text-red-600">*</span>
                                </label>
                                {{ formset.empty_form.question_type }}
                            </div>
                            <div>
                                <label class="form-label">
                                    {% trans "Order" %}
                                </label>
                                {{ formset.empty_form.order }}
                            </div>
                            <div class="mt-6">
                                <label class="flex items-center gap-2 cursor-pointer">
                                    {{ formset.empty_form.is_required }}
                                    <span class="text-sm text-slate">{% trans "Required" %}</span>
                                </label>
                            </div>
                        </div>
                        <div class="grid grid-cols-1 md:grid-cols-2 gap-4 mb-4">
                            <div class="mt-6">
                                <label class="flex items-center gap-2 cursor-pointer">
                                    {{ formset.empty_form.is_base }}
                                    <span class="text-sm text-slate">{% trans "Base Question (always included)" %}</span>
                                </label>
                                <p class="mt-1 text-xs text-slate">{% trans "Base questions are always shown regardless of patient events" %}</p>
                            </div>
                            <div>
                                <label class="form-label">
                                    {% trans "Event Type" %}
                                </label>
                                {{ formset.empty_form.event_type }}
                                <p class="mt-1 text-xs text-slate">{% trans "HIS event type that triggers this question (leave blank for base)" %}</p>
                            </div>
                        </div>
                        <div class="choices-field hidden">
                            <label class="form-label">
                                {% trans "Choices (JSON)" %}
                            </label>
                            {{ formset.empty_form.choices_json }}
                            <p class="mt-1 text-xs text-slate">{% trans "JSON array of choices. Format: [{&quot;value&quot;: &quot;1&quot;, &quot;label&quot;: &quot;Option 1&quot;, &quot;label_ar&quot;: &quot;خيار 1&quot;}]" %}</p>
                        </div>
                    </div>
                </div>

                <div class="flex justify-between items-center mt-6 pt-6 border-t border-slate-200">
                    <a href="{% url 'surveys:template_list' %}" class="btn-secondary">
                        <i data-lucide="x" class="w-4 h-4"></i>
                        {% trans "Cancel" %}
                    </a>
                    <button type="submit" class="btn-primary">
                        <i data-lucide="check" class="w-4 h-4"></i>
                        {% if template %}{% trans "Update Template" %}{% else %}{% trans "Create Template" %}{% endif %}
                    </button>
                </div>
            </form>
        </div>
    </div>
</div>
{% endblock %}

{% block extra_js %}
<script>
document.addEventListener('DOMContentLoaded', function() {
    lucide.createIcons();

    var totalForms = document.getElementById('id_{{ formset.prefix }}-TOTAL_FORMS');
    var container = document.getElementById('questions-container');
    var emptyFormDiv = document.getElementById('empty-form');
    var addBtn = document.getElementById('add-question-btn');

    function updateQuestionNumbers() {
        var cards = container.querySelectorAll('[data-question-form]');
        cards.forEach(function(card, index) {
            var numSpan = card.querySelector('.question-number');
            if (numSpan) {
                numSpan.textContent = index + 1;
            }
        });
    }

    function toggleChoicesField(card) {
        var select = card.querySelector('select[name*="-question_type"]');
        var choicesDiv = card.querySelector('.choices-field');
        if (select && choicesDiv) {
            select.addEventListener('change', function() {
                if (this.value === 'multiple_choice' || this.value === 'single_choice') {
                    choicesDiv.classList.remove('hidden');
                } else {
                    choicesDiv.classList.add('hidden');
                }
            });
        }
    }

    function attachStyling(card) {
        var inputs = card.querySelectorAll('input[type="text"], input[type="number"], textarea, select');
        inputs.forEach(function(input) {
            if (!input.classList.contains('form-control') && !input.classList.contains('form-select')) {
                if (input.tagName === 'SELECT') {
                    input.classList.add('form-select');
                } else {
                    input.classList.add('form-control');
                }
            }
        });
    }

    if (container) {
        container.querySelectorAll('[data-question-form]').forEach(function(card) {
            toggleChoicesField(card);
            attachStyling(card);
        });
    }

    if (addBtn && emptyFormDiv) {
        addBtn.addEventListener('click', function() {
            var count = parseInt(totalForms.value);
            var formHtml = emptyFormDiv.innerHTML;
            formHtml = formHtml.replace(/__PREFIX__/g, count);
            var tempDiv = document.createElement('div');
            tempDiv.innerHTML = formHtml;
            var newCard = tempDiv.firstElementChild;
            newCard.querySelectorAll('.question-number').forEach(function(span) {
                span.textContent = count + 1;
            });
            container.appendChild(newCard);
            totalForms.value = count + 1;
            toggleChoicesField(newCard);
            attachStyling(newCard);
            lucide.createIcons();
        });
    }

    document.addEventListener('click', function(e) {
        if (e.target.closest('.remove-question-btn')) {
            var card = e.target.closest('[data-question-form]');
            if (card) {
                var cards = container.querySelectorAll('[data-question-form]');
                if (cards.length > 1) {
                    card.remove();
                    totalForms.value = container.querySelectorAll('[data-question-form]').length;
                    updateQuestionNumbers();
                }
            }
        }
    });

    var textInputs = document.querySelectorAll('#template-form input[type="text"], #template-form input[type="number"], #template-form textarea, #template-form select');
    textInputs.forEach(function(input) {
        if (!input.classList.contains('form-control') && !input.classList.contains('form-select')) {
            if (input.tagName === 'SELECT') {
                input.classList.add('form-select');
            } else {
                input.classList.add('form-control');
            }
        }
    });
});
</script>
{% endblock %}