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

{% block title %}- {{ job.title }} - ATS{% endblock %}

{% block content %}
<div class="container-fluid py-4">
    <div class="d-flex justify-content-between align-items-center mb-4">
        <div>
            <h1 class="h3 mb-1" style="color: var(--kaauh-teal-dark); font-weight: 700;">
                <i class="fas fa-calendar-alt me-2"></i>
                {% trans "Interview Management" %} - {{ job.title }}
            </h1>
            <h2 class="h5 text-muted mb-0">
                {% trans "Candidates in Interview Stage:" %} <span class="fw-bold">{{ candidates|length }}</span>
            </h2>
        </div>
        <a href="{% url 'job_detail' job.slug %}" class="btn btn-outline-secondary">
            <i class="fas fa-arrow-left me-1"></i> {% trans "Back to Job" %}
        </a>
    </div>
    <div class="applicant-tracking-timeline">
        {% include 'jobs/partials/applicant_tracking.html' %}
    </div>

    <div class="kaauh-card shadow-sm p-3">
        {% if candidates %}
            <div class="bulk-action-bar">

                <form hx-boost="true" hx-include="#candidate-form" action="{% url 'candidate_update_status' job.slug %}" method="post" class="action-group">
                    {% csrf_token %}
                    <select name="mark_as" id="update_status" class="form-select form-select-sm" style="width: 120px;">
                        <option value="Exam">
                            {% trans "To Exam" %}
                        </option>
                        <option value="Offer">
                            {% trans "To Offer" %}
                        </option>
                    </select>
                    <button type="submit" class="btn btn-main-action btn-sm">
                        <i class="fas fa-arrow-right me-1"></i> {% trans "Update" %}
                    </button>
                </form>

                <div class="vr" style="height: 28px;"></div> <form hx-boost="true" hx-include="#candidate-form" action="{% url 'schedule_interviews' job.slug %}" method="get" class="action-group">
                    <button type="submit" class="btn btn-main-action btn-sm">
                        <i class="fas fa-calendar-plus me-1"></i> {% trans "Schedule Interviews" %}
                    </button>
                </form>

            </div>
        {% endif %}
        <form id="candidate-form" action="{% url 'candidate_update_status' job.slug %}" method="get">
            {% csrf_token %}
            <table class="table candidate-table align-middle">
                <thead>
                    <tr>
                        <th>
                            {% if candidates %}
                                <div class="form-check">
                                    <input
                                    type="checkbox" class="form-check-input" id="selectAllCheckbox">
                                </div>
                            {% endif %}
                        </th>
                        <th>{% trans "Name" %}</th>
                        <th>{% trans "Contact" %}</th>
                        <th>{% trans "Topic" %}</th>
                        <th>{% trans "Duration" %}</th>
                        <th>{% trans "Interview Date" %}</th>
                        <th>{% trans "Interview Link" %}</th>
                        <th>{% trans "Actions" %}</th>
                    </tr>
                </thead>
                <tbody>
                    {% for candidate in candidates %}
                    <tr>
                        <td>
                            <div class="form-check">
                                <input name="candidate_ids" value="{{ candidate.id }}" type="checkbox" class="form-check-input rowCheckbox" id="candidate-{{ candidate.id }}">
                            </div>
                        </td>
                        <td>
                            <div class="candidate-name">
                                {{ candidate.name }}
                            </div>
                        </td>
                        <td>
                            <div class="candidate-details">
                                <i class="fas fa-envelope me-1"></i> {{ candidate.email }}<br>
                                <i class="fas fa-phone me-1"></i> {{ candidate.phone }}
                            </div>
                        </td>
                        <td class="candidate-details text-muted">{{ candidate.get_latest_meeting.topic }}</td>
                        <td class="candidate-details text-muted"><div class="d-block"><i class="fas fa-clock me-1"></i> {{ candidate.get_latest_meeting.duration }} min</div></td>
                        <td class="candidate-details text-muted">
                            {% with latest_meeting=candidate.get_latest_meeting %}
                                {% if latest_meeting %}
                                    {{ latest_meeting.start_time|date:"M d, Y h:i A" }}
                                {% else %}
                                    <span class="text-muted">N/A</span>
                                {% endif %}
                            {% endwith %}
                        </td>
                        <td>
                            {% with latest_meeting=candidate.get_latest_meeting %}
                                {% if latest_meeting and latest_meeting.join_url %}
                                    <a href="{{ latest_meeting.join_url }}" target="_blank" class="text-primary-theme" title="Join Interview">
                                        <i class="fas fa-link"></i>
                                    </a>
                                {% else %}
                                    <span class="text-muted">--</span>
                                {% endif %}
                            {% endwith %}
                        </td>
                        <td>
                            <button type="button" class="btn btn-outline-secondary btn-sm"
                                data-bs-toggle="modal"
                                data-bs-target="#candidateviewModal"
                                hx-get="{% url 'candidate_criteria_view_htmx' candidate.pk %}"
                                hx-target="#candidateviewModalBody"
                                title="View Profile">
                                <i class="fas fa-eye"></i>
                            </button>
                            {% if candidate.get_latest_meeting %}
                            <button type="button" class="btn btn-outline-secondary btn-sm"
                                data-bs-toggle="modal"
                                data-bs-target="#candidateviewModal"
                                hx-get="{% url 'reschedule_meeting_for_candidate' job.slug candidate.pk candidate.get_latest_meeting.pk %}"
                                hx-target="#candidateviewModalBody"
                                title="Reschedule">
                                <i class="fas fa-redo-alt"></i>
                            </button>
                            <button type="button" class="btn btn-outline-danger btn-sm"
                                data-bs-toggle="modal"
                                data-bs-target="#candidateviewModal"
                                hx-get="{% url 'delete_meeting_for_candidate' job.slug candidate.pk candidate.get_latest_meeting.pk %}"
                                hx-target="#candidateviewModalBody"
                                title="Delete Meeting">
                                <i class="fas fa-trash"></i>
                            </button>

                                {% else %}
                                    <button type="button" class="btn btn-main-action btn-sm"
                                        data-bs-toggle="modal"
                                        data-bs-target="#candidateviewModal"
                                        hx-get="{% url 'schedule_meeting_for_candidate' job.slug candidate.pk %}"
                                        hx-target="#candidateviewModalBody"
                                        data-modal-title="{% trans 'Schedule Interview' %}"
                                        title="Schedule Interview">
                                        <i class="fas fa-calendar-plus"></i>
                                    </button>
                                {% endif %}
                        </td>
                    </tr>
                    {% endfor %}
                </tbody>
            </table>
            {% if not candidates %}
                <div class="alert alert-info text-center mt-3 mb-0" role="alert">
                    <i class="fas fa-info-circle me-1"></i>
                    {% trans "No candidates are currently in the Interview stage for this job." %}
                </div>
            {% endif %}
        </form>

    </div>

</div>

<div class="modal fade modal-xl" id="candidateviewModal" tabindex="-1" aria-labelledby="candidateviewModalLabel" aria-hidden="true">
    <div class="modal-dialog">
        <div class="modal-content kaauh-card"> <div class="modal-header" style="border-bottom: 1px solid var(--kaauh-border);">
                <h5 class="modal-title" id="candidateviewModalLabel" style="color: var(--kaauh-teal-dark);">
                    {% trans "Candidate Details / Bulk Action Form" %}
                </h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
            </div>
            <div id="candidateviewModalBody" class="modal-body">
                <div class="text-center py-5 text-muted">
                    <i class="fas fa-spinner fa-spin fa-2x"></i><br>
                    {% trans "Loading content..." %}
                </div>
            </div>
            <div class="modal-footer" style="border-top: 1px solid var(--kaauh-border);">
                <button type="button" class="btn btn-outline-secondary" data-bs-dismiss="modal">
                    {% trans "Cancel" %}
                </button>
            </div>
        </div>
    </div>
</div>

{% endblock %}

{% block customJS %}
<script>
    document.addEventListener('DOMContentLoaded', function () {
        const selectAllCheckbox = document.getElementById('selectAllCheckbox');
        const rowCheckboxes = document.querySelectorAll('.rowCheckbox');

        if (selectAllCheckbox) {

            // Function to safely update the header checkbox state
            function updateSelectAllState() {
                const checkedCount = Array.from(rowCheckboxes).filter(cb => cb.checked).length;
                const totalCount = rowCheckboxes.length;

                if (checkedCount === 0) {
                    selectAllCheckbox.checked = false;
                    selectAllCheckbox.indeterminate = false;
                } else if (checkedCount === totalCount) {
                    selectAllCheckbox.checked = true;
                    selectAllCheckbox.indeterminate = false;
                } else {
                    // Set to indeterminate state (partially checked)
                    selectAllCheckbox.checked = false;
                    selectAllCheckbox.indeterminate = true;
                }
            }

            // 1. Logic for the 'Select All' checkbox (Clicking it updates all rows)
            selectAllCheckbox.addEventListener('change', function () {
                const isChecked = selectAllCheckbox.checked;

                // Temporarily disable the change listener on rows to prevent cascading events
                rowCheckboxes.forEach(checkbox => checkbox.removeEventListener('change', updateSelectAllState));

                // Update all row checkboxes
                rowCheckboxes.forEach(function (checkbox) {
                    checkbox.checked = isChecked;

                    // Dispatch event for the framework (data-bind-selections)
                    checkbox.dispatchEvent(new Event('change', { bubbles: true }));
                });

                // Re-attach the change listeners to the rows
                rowCheckboxes.forEach(checkbox => checkbox.addEventListener('change', updateSelectAllState));

                // Ensure the header state is correct after forcing all changes
                updateSelectAllState();
            });

            // 2. Logic to update 'Select All' state based on row checkboxes
            // Attach the function to be called whenever a row checkbox changes
            rowCheckboxes.forEach(function (checkbox) {
                checkbox.addEventListener('change', updateSelectAllState);
            });

            // Initial check to set the correct state on load (in case items are pre-checked)
            updateSelectAllState();
        }
    });

    // Handle Meeting Modal Opening (Rescheduling/Scheduling)
    document.addEventListener('DOMContentLoaded', function() {
        // Renamed to candidateviewModal as that's the ID in the template
        const candidateviewModalElement = document.getElementById('candidateviewModal');
        const candidateviewModalLabel = candidateviewModalElement.querySelector('#candidateviewModalLabel');

        // Event listener for dynamic buttons using delegation
        document.addEventListener('click', function(event) {
            // Targetting buttons with hx-get that also targets the modal body
            const button = event.target.closest('button[data-bs-toggle="modal"][data-bs-target="#candidateviewModal"]');
            if (button) {
                // Do NOT preventDefault here as hx-get needs to fire.
                // hx-get will load the content into #candidateviewModalBody.

                const modalTitle = button.getAttribute('data-modal-title');

                // Update the modal title if a custom one is provided (used for scheduling)
                if (modalTitle && candidateviewModalLabel) {
                    candidateviewModalLabel.textContent = modalTitle;
                }
            }
        });

        // Clear HTMX target content when modal is hidden
        candidateviewModalElement.addEventListener('hidden.bs.modal', function () {
            const modalBody = candidateviewModalElement.querySelector('#candidateviewModalBody');
            if (modalBody) {
                // Reset to the loading state message, matching the initial content
                modalBody.innerHTML = `
                    <div class="text-center py-5 text-muted">
                        <i class="fas fa-spinner fa-spin fa-2x"></i><br>
                        {% trans "Loading content..." %}
                    </div>
                `;
                // Reset the modal title to its default state for next use
                const defaultTitle = "{% trans "Candidate Details / Bulk Action Form" %}";
                candidateviewModalLabel.textContent = defaultTitle;
            }
        });
    });
</script>
{% endblock %}