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

{% block title %}{% trans "Bulk Interview Scheduling" %} - {{ job.title }} - ATS{% endblock %}

{% block content %}
<div class="container-fluid py-4">
    <style>
    /* KAAT-S UI Variables */
    :root {
        --kaauh-teal: #00636e;
        --kaauh-teal-dark: #004a53;
        --kaauh-border: #eaeff3;
        --kaauh-primary-text: #343a40;
        --kaauh-success: #28a745;
        --kaauh-info: #17a2b8;
        --kaauh-danger: #dc3545;
        --kaauh-warning: #ffc107;
    }

    /* 1. Card & Container Styling */
    .kaauh-card {
        border: 1px solid var(--kaauh-border);
        border-radius: 0.75rem;
        box-shadow: 0 4px 12px rgba(0,0,0,0.06);
        background-color: white;
        padding: 1.5rem;
    }
    .container-fluid.py-4 { padding-top: 1.5rem !important; padding-bottom: 1.5rem !important; }

    /* 2. Typography & Headers */
    .page-header {
        color: var(--kaauh-teal-dark);
        font-weight: 700;
    }
    .section-header {
        color: var(--kaauh-primary-text);
        font-weight: 600;
        border-bottom: 2px solid var(--kaauh-border);
        padding-bottom: 0.5rem;
        margin-bottom: 1rem;
    }
    label {
        font-weight: 500;
        color: var(--kaauh-primary-text);
        font-size: 0.9rem;
        margin-bottom: 0.25rem;
    }
    .form-control, .form-select {
        border-radius: 0.5rem;
        border: 1px solid #ced4da;
        padding: 0.5rem 0.75rem;
        font-size: 0.9rem;
    }
    .form-group > .form-check {
        margin-top: 0.5rem;
    }

    /* FIX: SCROLLABLE CANDIDATE LIST */
    .form-group select[multiple] {
        max-height: 450px;
        overflow-y: auto;
        min-height: 250px;
        padding: 0;
    }

    /* 3. Button Styling */
    .btn-main-action {
        background-color: var(--kaauh-teal);
        border-color: var(--kaauh-teal);
        color: white;
        font-weight: 600;
        transition: all 0.2s ease;
    }
    .btn-main-action:hover {
        background-color: var(--kaauh-teal-dark);
        border-color: var(--kaauh-teal-dark);
        box-shadow: 0 4px 8px rgba(0,0,0,0.15);
    }
    .btn-secondary {
        color: var(--kaauh-teal-dark);
        border-color: var(--kaauh-border);
        background-color: #f1f3f4;
    }

    /* 4. Break Times Section Styling */
    .break-time-form {
        background-color: #f8f9fa;
        padding: 0.75rem;
        border-radius: 0.5rem;
        border: 1px solid var(--kaauh-border);
        align-items: flex-end;
    }
    .remove-break {
        width: 100%;
    }
    .note-box {
        background-color: #fff3cd;
        border-left: 5px solid var(--kaauh-warning);
        padding: 1rem;
        border-radius: 0.25rem;
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }
</style>
    <div class="d-flex justify-content-between align-items-center mb-4">
        <div>
            <h1 class="h3 page-header">
                <i class="fas fa-calendar-alt me-2"></i>
                {% trans "Bulk Interview Scheduling" %}
            </h1>
            <h2 class="h5 text-muted mb-0">
                {% trans "Configure time slots for:" %} **{{ job.title }}**
            </h2>
        </div>
        <a href="{% url 'job_detail' slug=job.slug %}" class="btn btn-outline-secondary">
            <i class="fas fa-arrow-left me-1"></i> {% trans "Back to Job" %}
        </a>
    </div>

    <div class="kaauh-card shadow-sm">
        <form method="post" id="schedule-form">
            {% csrf_token %}

            <div class="row">
                <div class="col-md-4">
                    <h5 class="section-header">{% trans "Select Candidates" %}</h5>
                    <div class="form-group">
                        <label for="{{ form.candidates.id_for_label }}">
                            {% trans "Candidates to Schedule (Hold Ctrl/Cmd to select multiple)" %}
                        </label>
                        {{ form.applications }}
                        {% if form.applications.errors %}
                            <div class="text-danger small mt-1">{{ form.applications.errors }}</div>
                        {% endif %}
                    </div>
                </div>

                <div class="col-md-8">
                    <h5 class="section-header">{% trans "Schedule Details" %}</h5>
                    <div class="row">
                        <div class="col-md-12">
                            <div class="form-group mb-3">
                                <label for="{{ form.topic.id_for_label }}">{% trans "Topic" %}</label>
                                {{ form.topic }}
                                {% if form.topic.errors %}
                                    <div class="text-danger small mt-1">{{ form.topic.errors }}</div>
                                {% endif %}
                            </div>
                        </div>
                    </div>
                    <div class="row">
                        <div class="col-md-4">
                            <div class="form-group mb-3">
                                <label for="{{ form.schedule_interview_type.id_for_label }}">{% trans "Interview Type" %}</label>
                                {{ form.schedule_interview_type }}
                                {% if form.schedule_interview_type.errors %}
                                    <div class="text-danger small mt-1">{{ form.schedule_interview_type.errors }}</div>
                                {% endif %}
                            </div>
                        </div>
                    </div>
                    <div class="row">
                        <div class="col-md-6">
                            <div class="form-group mb-3">
                                <label for="{{ form.start_date.id_for_label }}">{% trans "Start Date" %}</label>
                                {{ form.start_date }}
                                {% if form.start_date.errors %}
                                    <div class="text-danger small mt-1">{{ form.start_date.errors }}</div>
                                {% endif %}
                            </div>
                        </div>

                        <div class="col-md-6">
                            <div class="form-group mb-3">
                                <label for="{{ form.end_date.id_for_label }}">{% trans "End Date" %}</label>
                                {{ form.end_date }}
                                {% if form.end_date.errors %}
                                    <div class="text-danger small mt-1">{{ form.end_date.errors }}</div>
                                {% endif %}
                            </div>
                        </div>
                    </div>

                    <div class="form-group mb-3">
                        <label>{% trans "Working Days" %}</label>
                        <div class="d-flex flex-wrap gap-3 p-2 border rounded" style="background-color: #f8f9fa;">
                            {{ form.working_days }}
                            {% if form.working_days.errors %}
                                <div class="text-danger small mt-1">{{ form.working_days.errors }}</div>
                            {% endif %}
                        </div>
                    </div>

                    <div class="row">
                        <div class="col-md-3">
                            <div class="form-group mb-3">
                                <label for="{{ form.start_time.id_for_label }}">{% trans "Start Time" %}</label>
                                {{ form.start_time }}
                                {% if form.start_time.errors %}
                                    <div class="text-danger small mt-1">{{ form.start_time.errors }}</div>
                                {% endif %}
                            </div>
                        </div>

                        <div class="col-md-3">
                            <div class="form-group mb-3">
                                <label for="{{ form.end_time.id_for_label }}">{% trans "End Time" %}</label>
                                {{ form.end_time }}
                                {% if form.end_time.errors %}
                                    <div class="text-danger small mt-1">{{ form.end_time.errors }}</div>
                                {% endif %}
                            </div>
                        </div>

                        <div class="col-md-3">
                            <div class="form-group mb-3">
                                <label for="{{ form.interview_duration.id_for_label }}">{% trans "Duration (min)" %}</label>
                                {{ form.interview_duration }}
                                {% if form.interview_duration.errors %}
                                    <div class="text-danger small mt-1">{{ form.interview_duration.errors }}</div>
                                {% endif %}
                            </div>
                        </div>

                        <div class="col-md-3">
                            <div class="form-group mb-3">
                                <label for="{{ form.buffer_time.id_for_label }}">{% trans "Buffer (min)" %}</label>
                                {{ form.buffer_time }}
                                {% if form.buffer_time.errors %}
                                    <div class="text-danger small mt-1">{{ form.buffer_time.errors }}</div>
                                {% endif %}
                            </div>
                        </div>
                    </div>

                    <div class="mt-4 pt-4 border-top">
                        <h5 class="section-header">{% trans "Daily Break Times" %}</h5>
                        <div id="break-times-container">
                            <div class="break-time-form row mb-2 g-2">
                                <div class="col-5">
                                    <label for="{{ form.break_start_time.id_for_label }}">{% trans "Start Time" %}</label>
                                    {{ form.break_start_time }}
                                    {% if form.break_start_time.errors %}
                                        <div class="text-danger small mt-1">{{ form.break_start_time.errors }}</div>
                                    {% endif %}
                                </div>
                                <div class="col-5">
                                    <label for="{{ form.break_end_time.id_for_label }}">{% trans "End Time" %}</label>
                                    {{ form.break_end_time }}
                                    {% if form.break_end_time.errors %}
                                        <div class="text-danger small mt-1">{{ form.break_end_time.errors }}</div>
                                    {% endif %}
                                </div>
                            </div>
                        </div>
                    </div>
                    <div class="row">
                            <div class="col-md-8">
                                <div class="form-group mb-3">
                                    <label for="{{ form.physical_address.id_for_label }}">{% trans "Physical Address" %}</label>
                                    {{ form.physical_address }}
                                    {% if form.physical_address.errors %}
                                        <div class="text-danger small mt-1">{{ form.physical_address.errors }}</div>
                                    {% endif %}
                                </div>
                        </div>

                </div>
            </div>

            <div class="mt-4 pt-4 border-top d-flex justify-content-end gap-2">
                <button type="submit" class="btn btn-main-action">
                    <i class="fas fa-calendar-check me-1"></i> {% trans "Preview Schedule" %}
                </button>
                <a href="{% url 'job_detail' slug=job.slug %}" class="btn btn-secondary">
                    {% trans "Cancel" %}
                </a>
            </div>
        </form>
    </div>
</div>

<script>
document.addEventListener('DOMContentLoaded', function() {
    const addBreakBtn = document.getElementById('add-break');
    const breakTimesContainer = document.getElementById('break-times-container');

    // *** FIX: Hardcode formset prefix for reliability (requires matching Python change) ***
    const FORMSET_PREFIX = 'breaktime';
    const totalFormsInput = document.querySelector(`input[name="${FORMSET_PREFIX}-TOTAL_FORMS"]`);

    if (!totalFormsInput) {
        console.error(`TOTAL_FORMS input with name ${FORMSET_PREFIX}-TOTAL_FORMS not found. Cannot add break dynamically. Please ensure formset prefix is set to '${FORMSET_PREFIX}' in the Python view and management_form is rendered.`);
        return;
    }

    addBreakBtn.addEventListener('click', function() {
        const formCount = parseInt(totalFormsInput.value);

        // Template for a new form, ensuring the correct classes are applied
        // Use the hardcoded prefix in all new form fields
        const newFormHtml = `
            <div class="break-time-form row mb-2 g-2">
                <div class="col-5">
                    <label for="id_${FORMSET_PREFIX}-${formCount}-start_time">Start Time</label>
                    <input type="time" name="${FORMSET_PREFIX}-${formCount}-start_time" class="form-control" id="id_${FORMSET_PREFIX}-${formCount}-start_time">
                </div>
                <div class="col-5">
                    <label for="id_${FORMSET_PREFIX}-${formCount}-end_time">End Time</label>
                    <input type="time" name="${FORMSET_PREFIX}-${formCount}-end_time" class="form-control" id="id_${FORMSET_PREFIX}-${formCount}-end_time">
                </div>
                <div class="col-2 d-flex align-items-end">
                    <!-- Hidden management fields for new forms (ID and DELETE) -->
                    <input type="hidden" name="${FORMSET_PREFIX}-${formCount}-id" id="id_${FORMSET_PREFIX}-${formCount}-id" value="">
                    <input type="checkbox" name="${FORMSET_PREFIX}-${formCount}-DELETE" id="id_${FORMSET_PREFIX}-${formCount}-DELETE" style="display:none;">

                    <button type="button" class="btn btn-danger btn-sm remove-break w-100">
                        <i class="fas fa-trash-alt"></i> Remove
                    </button>
                </div>
            </div>
        `;

        const tempDiv = document.createElement('div');
        tempDiv.innerHTML = newFormHtml.trim();
        const newForm = tempDiv.firstChild;

        breakTimesContainer.appendChild(newForm);
        totalFormsInput.value = formCount + 1;
    });

    // Handle remove button clicks (both existing and dynamically added)
    breakTimesContainer.addEventListener('click', function(e) {
        if (e.target.closest('.remove-break')) {
            const form = e.target.closest('.break-time-form');
            if (form) {
                const deleteCheckbox = form.querySelector('input[name$="-DELETE"]');
                if (deleteCheckbox) {
                    // Check the DELETE box and hide the form
                    deleteCheckbox.checked = true;
                    form.style.display = 'none';
                } else {
                    // If it's a new form, remove it entirely
                    form.remove();
                }
            }
        }
    });
});

</script>
{% endblock %}