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

{% block title %}{% trans "Interview Management" %} - ATS{% endblock %}

{% block customCSS %}
<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;
    }

    /* Primary Color Overrides */
    .text-primary-theme { color: var(--kaauh-teal) !important; }
    .bg-primary-theme { background-color: var(--kaauh-teal) !important; }

    /* Main Container & Card 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;
    }

    /* Filter Controls */
    .filter-controls {
       
        border-radius: 0.75rem;
        padding: 1.5rem;
        margin-bottom: 2rem;
        border: 1px solid var(--kaauh-border);
    }

    /* 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-outline-secondary {
        color: var(--kaauh-teal-dark);
        border-color: var(--kaauh-teal);
    }
    .btn-outline-secondary:hover {
        background-color: var(--kaauh-teal-dark);
        color: white;
        border-color: var(--kaauh-teal-dark);
    }

    /* Interview Table Styling */
    .interview-table {
        table-layout: fixed;
        width: 100%;
        border-collapse: separate;
        border-spacing: 0;
        background-color: white;
        border-radius: 0.5rem;
        overflow: hidden;
    }
    .interview-table thead {
        background-color: var(--kaauh-border);
    }
    .interview-table th {
        padding: 0.75rem 1rem;
        font-weight: 600;
        color: var(--kaauh-teal-dark);
        border-bottom: 2px solid var(--kaauh-teal);
        font-size: 0.9rem;
        vertical-align: middle;
    }
    .interview-table td {
        padding: 0.75rem 1rem;
        border-bottom: 1px solid var(--kaauh-border);
        vertical-align: middle;
        font-size: 0.9rem;
    }
    .interview-table tbody tr:hover {
        background-color: #f1f3f4;
    }

    /* Column Widths */
    .interview-table thead th:nth-child(1) { width: 40px; }
    .interview-table thead th:nth-child(2) { width: 15%; }
    .interview-table thead th:nth-child(3) { width: 12%; }
    .interview-table thead th:nth-child(4) { width: 12%; }
    .interview-table thead th:nth-child(5) { width: 10%; }
    .interview-table thead th:nth-child(6) { width: 8%; }
    .interview-table thead th:nth-child(7) { width: 8%; }
    .interview-table thead th:nth-child(8) { width: 15%; }

    /* Candidate and Job Info */
    .candidate-name {
        font-weight: 600;
        color: var(--kaauh-primary-text);
    }
    .candidate-details {
        font-size: 0.8rem;
        color: #6c757d;
    }
    .job-title {
        font-weight: 500;
        color: var(--kaauh-teal-dark);
    }

    /* Badges and Statuses */
    .status-badge {
        font-size: 0.75rem;
        padding: 0.3em 0.7em;
        border-radius: 0.35rem;
        font-weight: 700;
    }
    .interview-type-badge {
        font-size: 0.7rem;
        padding: 0.25rem 0.5rem;
        border-radius: 0.3rem;
        font-weight: 600;
    }

    /* Status Colors */
    .bg-scheduled { background-color: #6c757d !important; color: white; }
    .bg-confirmed { background-color: var(--kaauh-info) !important; color: white; }
    .bg-cancelled { background-color: var(--kaauh-danger) !important; color: white; }
    .bg-completed { background-color: var(--kaauh-success) !important; color: white; }
    .bg-remote { background-color: #007bff !important; color: white; }
    .bg-onsite { background-color: #6f42c1 !important; color: white; }

    /* Custom Height Optimization */
    .form-control-sm,
    .btn-sm {
        padding-top: 0.2rem !important;
        padding-bottom: 0.2rem !important;
        height: 28px !important;
        font-size: 0.8rem !important;
    }

    /* Pagination Styling */
    .pagination .page-link {
        color: var(--kaauh-teal);
        border-color: var(--kaauh-border);
    }
    .pagination .page-item.active .page-link {
        background-color: var(--kaauh-teal);
        border-color: var(--kaauh-teal);
    }
    .pagination .page-link:hover {
        color: var(--kaauh-teal-dark);
        background-color: #f8f9fa;
    }
</style>
{% endblock %}

{% block content %}
<div class="container-fluid py-4">
    <!-- Header Section -->
    <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" %}
            </h1>
            <h2 class="h5 text-muted mb-0">
                {% trans "Total Interviews:" %} <span class="fw-bold">{{ interviews|length }}</span>
            </h2>
        </div>
        <div class="d-flex gap-2">
            <a href="{% url 'dashboard' %}" class="btn btn-outline-secondary">
                <i class="fas fa-arrow-left me-1"></i> {% trans "Back to Dashboard" %}
            </a>
        </div>
    </div>

    <!-- Filter Controls -->
    <div class="filter-controls">
        <form method="get" class="row g-3">
            <div class="col-md-3">
                {% comment %} <label for="job_filter" class="form-label form-label-sm">{% trans "Job" %}</label>
                <select name="job" id="job_filter" class="form-select form-select-sm">
                    <option value="">{% trans "All Jobs" %}</option>
                    {% for job in jobs %}
                        <option value="{{ job.id }}" {% if request.GET.job == job.id|stringformat:"s" %}selected{% endif %}>
                            {{ job.title }}
                        </option>
                    {% endfor %}
                </select> {% endcomment %}
                <label for="job_filter" class="form-label small text-muted">{% trans "Filter by Job" %}</label>
                
                <select name="job" id="job_filter" class="form-select form-select-sm">
                    <option value="">{% trans "All Jobs" %}</option>
                    {% for job in jobs %}
                    <option value="{{ job.slug }}" {% if job_filter == job.slug %}selected{% endif %}>{{ job.title }}</option>
                    {% endfor %}
                </select>
             </div>
            <div class="col-md-2">
                <label for="status_filter" class="form-label form-label-sm">{% trans "Status" %}</label>
                <select name="status" id="status_filter" class="form-select form-select-sm">
                    <option value="">{% trans "All Status" %}</option>
                    <option value="scheduled" {% if request.GET.status == "scheduled" %}selected{% endif %}>{% trans "Scheduled" %}</option>
                    <option value="confirmed" {% if request.GET.status == "confirmed" %}selected{% endif %}>{% trans "Confirmed" %}</option>
                    <option value="cancelled" {% if request.GET.status == "cancelled" %}selected{% endif %}>{% trans "Cancelled" %}</option>
                    <option value="completed" {% if request.GET.status == "completed" %}selected{% endif %}>{% trans "Completed" %}</option>
                </select>
            </div>
            <div class="col-md-2">
                <label for="type_filter" class="form-label form-label-sm">{% trans "Type" %}</label>
                <select name="type" id="type_filter" class="form-select form-select-sm">
                    <option value="">{% trans "All Types" %}</option>
                    <option value="Remote" {% if request.GET.type == "Remote" %}selected{% endif %}>{% trans "Remote" %}</option>
                    <option value="Onsite" {% if request.GET.type == "Onsite" %}selected{% endif %}>{% trans "Onsite" %}</option>
                </select>
            </div>
            <div class="col-md-3">
                <label for="search_filter" class="form-label form-label-sm">{% trans "Search Candidate" %}</label>
                <input type="text" name="search" id="search_filter" class="form-control form-control-sm"
                       value="{{ request.GET.search }}" placeholder="{% trans 'Name or Email' %}">
            </div>
            <div class="col-md-2 d-flex align-items-end">
                <button type="submit" class="btn btn-main-action btn-sm me-2">
                    <i class="fas fa-filter me-1"></i> {% trans "Filter" %}
                </button>
                <a href="{% url 'interview_list' %}" class="btn btn-outline-secondary btn-sm">
                    <i class="fas fa-times me-1"></i> {% trans "Clear" %}
                </a>
            </div>
        </form>
    </div>
    {# Using 'meetings' based on the context_object_name provided #}
    {% if interviews %}
        <div id="meetings-list">
            {# View Switcher (kept the name for simplicity) #}
            {% include "includes/_list_view_switcher.html" with list_id="meetings-list" %}

            {# Card View #}
            <div class="card-view active row">
                {% for interview in meetings %}
                    <div class="col-md-6 col-lg-4 mb-4">
                        <div class="card meeting-card h-100 shadow-sm">
                            <div class="card-body d-flex flex-column">
                                <div class="d-flex justify-content-between align-items-start mb-2">
                                    <h5 class="card-title flex-grow-1 me-3">
                                        <a href="{% url 'application_detail' interview.candidate.slug %}" class="text-decoration-none text-primary-theme">{{ interview.candidate.name }}</a>
                                    </h5>
                                    <span class="status-badge bg-{{ interview.status }}">
                                        {{ interview.status|title }}
                                    </span>
                                </div>

                                <p class="card-text text-muted small mb-3">
                                    <i class="fas fa-briefcase"></i> {% trans "Job" %}:
                                    <a class="text-secondary text-decoration-none" href="{% url 'job_detail' interview.job.slug %}">{{ interview.job.title }}</a><br>

                                    {# --- Remote/Onsite Logic - Handles both cases safely --- #}
                                    <i class="fas {% if interview.schedule.interview_type == 'Remote' %}fa-globe{% else %}fa-map-marker-alt{% endif %}"></i>
                                    {% trans "Type" %}: {{ interview.schedule.get_interview_type_display }}
                                    {% if interview.schedule.interview_type == 'Remote' %}<br>
                                        {# CRITICAL FIX: Safe access to zoom_meeting details #}
                                        <i class="fas fa-hashtag"></i> {% trans "Zoom ID" %}: {{ interview.zoom_meeting.meeting_id|default:"N/A" }}
                                    {% else %}<br>
                                        <i class="fas fa-building"></i> {% trans "Location" %}: {{ interview.schedule.location }}
                                    {% endif %}<br>

                                    <i class="fas fa-clock"></i> {% trans "Date" %}: {{ interview.interview_date|date:"M d, Y" }}<br>
                                    <i class="fas fa-clock"></i> {% trans "Time" %}: {{ interview.interview_time|time:"H:i" }}<br>
                                    <i class="fas fa-stopwatch"></i> {% trans "Duration" %}: {{ interview.schedule.interview_duration }} minutes
                                </p>

                                <div class="mt-auto pt-2 border-top">
                                   <div class="d-flex gap-2">
                                        <a href="{% url 'scheduled_interview_detail' interview.slug %}" class="btn btn-sm btn-outline-primary">
                                            <i class="fas fa-eye"></i> {% trans "View" %}
                                        </a>

                                        {# CRITICAL FIX: Safe access to join URL #}
                                        {% if interview.schedule.interview_type == 'Remote' and interview.zoom_meeting and interview.zoom_meeting.join_url %}
                                            <a href="{{ interview.zoom_meeting.join_url }}" target="_blank" class="btn btn-sm btn-main-action">
                                                <i class="fas fa-link"></i> {% trans "Join" %}
                                            </a>
                                        {% endif %}

                                        <a href="{% url 'update_scheduled_interview' interview.slug %}" class="btn btn-sm btn-outline-secondary">
                                            <i class="fas fa-edit"></i>
                                        </a>
                                        <button type="button" class="btn btn-outline-danger btn-sm" title="{% trans 'Delete' %}"
                                                data-bs-toggle="modal" data-bs-target="#deleteModal"
                                                hx-post="{% url 'delete_scheduled_interview' interview.slug %}"
                                                hx-target="#deleteModalBody"
                                                hx-swap="outerHTML"
                                                data-item-name="{{ interview.candidate.name }} Interview">
                                            <i class="fas fa-trash-alt"></i>
                                        </button>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>
                {% endfor %}
            </div>

            <form id="interview-form">
                {% csrf_token %}
                <div class="table-responsive">
                    <table class="table interview-table align-middle">
                        <thead>
                            <tr>
                                <th><i class="fas fa-user me-1"></i> {% trans "Candidate" %}</th>
                                <th><i class="fas fa-briefcase me-1"></i> {% trans "Job" %}</th>
                                <th><i class="fas fa-calendar me-1"></i> {% trans "Date & Time" %}</th>
                                <th><i class="fas fa-tag me-1"></i> {% trans "Type" %}</th>
                                <th><i class="fas fa-info-circle me-1"></i> {% trans "Status" %}</th>
                                {% comment %} <th><i class="fas fa-users me-1"></i> {% trans "Participants" %}</th> {% endcomment %}
                                <th><i class="fas fa-cog me-1"></i> {% trans "Actions" %}</th>
                            </tr>
                        </thead>
                        <tbody>
                            {% for interview in interviews %}
                            <tr>
                                <td>
                                    <div class="candidate-name">{{ interview.application.name }}</div>
                                    <div class="application-details">
                                        <i class="fas fa-envelope me-1"></i> {{ interview.application.email }}<br>
                                        <i class="fas fa-phone me-1"></i> {{ interview.application.phone }}
                                    </div>
                                </td>
                                <td>
                                    <div class="job-title">{{ interview.job.title }}</div>
                                    <div class="candidate-details">{{ interview.job.department }}</div>
                                </td>
                                <td>
                                    <div class="candidate-details">
                                        <i class="fas fa-calendar-day me-1"></i> {{ interview.interview_date|date:"d-m-Y" }}<br>
                                        <i class="fas fa-clock me-1"></i> {{ interview.interview_time|date:"h:i A" }}
                                    </div>
                                </td>
                                <td>
                                    {% if interview.interview.location_type == 'Remote' %}
                                        <span class="badge interview-type-badge bg-remote">
                                            <i class="fas fa-video me-1"></i> {% trans "Remote" %}
                                        </span>
                                    {% else %}
                                        <span class="badge interview-type-badge bg-onsite">
                                            <i class="fas fa-building me-1"></i> {% trans "Onsite" %}
                                        </span>
                                    {% endif %}
                                </td>
                                <td>
                                    <span class="badge bg-primary-theme">
                                        {{ interview.status|upper }}
                                    </span>
                                </td>

                                <td>
                                    <div class="btn-group" role="group">
                                        <a href="{% url 'interview_detail' interview.slug %}"
                                           class="btn btn-outline-primary btn-sm"
                                           title="{% trans 'View Details' %}">
                                            <i class="fas fa-eye"></i>
                                        </a>
                                        {% comment %} {% if interview.status != 'CANCELLED' and interview.status != 'COMPLETED' %}
                                            <button type="button" class="btn btn-outline-secondary btn-sm"
                                                    data-bs-toggle="modal"
                                                    data-bs-target="#actionModal"
                                                    hx-get="#"
                                                    hx-target="#actionModalBody"
                                                    title="{% trans '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="#actionModal"
                                                    hx-get="#"
                                                    hx-target="#actionModalBody"
                                                    title="{% trans 'Cancel' %}">
                                                <i class="fas fa-times"></i>
                                            </button>
                                        {% endif %} {% endcomment %}
                                    </div>
                                </td>
                            </tr>
                            {% endfor %}
                        </tbody>
                    </table>
                </div>
            </form>

            <!-- Pagination -->
            {% if is_paginated %}
                <nav aria-label="Interview pagination" class="mt-4">
                    <ul class="pagination justify-content-center">
                        {% if page_obj.has_previous %}
                            <li class="page-item">
                                <a class="page-link" href="?page=1{% if request.GET.urlencode %}&{{ request.GET.urlencode }}{% endif %}">{% trans "First" %}</a>
                            </li>
                            <li class="page-item">
                                <a class="page-link" href="?page={{ page_obj.previous_page_number }}{% if request.GET.urlencode %}&{{ request.GET.urlencode }}{% endif %}">{% trans "Previous" %}</a>
                            </li>
                        {% endif %}

                        {% for num in page_obj.paginator.page_range %}
                            {% if page_obj.number == num %}
                                <li class="page-item active">
                                    <span class="page-link">{{ num }}</span>
                                </li>
                            {% elif num > page_obj.number|add:'-3' and num < page_obj.number|add:'3' %}
                                <li class="page-item">
                                    <a class="page-link" href="?page={{ num }}{% if request.GET.urlencode %}&{{ request.GET.urlencode }}{% endif %}">{{ num }}</a>
                                </li>
                            {% endif %}
                        {% endfor %}

                        {% if page_obj.has_next %}
                            <li class="page-item">
                                <a class="page-link" href="?page={{ page_obj.next_page_number }}{% if request.GET.urlencode %}&{{ request.GET.urlencode }}{% endif %}">{% trans "Next" %}</a>
                            </li>
                            <li class="page-item">
                                <a class="page-link" href="?page={{ page_obj.paginator.num_pages }}{% if request.GET.urlencode %}&{{ request.GET.urlencode }}{% endif %}">{% trans "Last" %}</a>
                            </li>
                        {% endif %}
                    </ul>
                </nav>
            {% endif %}

        {% else %}
            <div class="alert alert-info text-center py-5" role="alert">
                <i class="fas fa-info-circle fa-2x mb-3"></i>
                <h5>{% trans "No interviews found" %}</h5>
                <p class="text-muted mb-0">
                    {% trans "There are no interviews matching your current filters." %}
                    <a href="{% url 'interview_list' %}" class="alert-link">{% trans "Clear filters" %}</a>
                    {% trans "to see all interviews." %}
                </p>
            </div>
        {% endif %}
    </div>
</div>

<!-- Action Modal -->
<div class="modal fade" id="actionModal" tabindex="-1" aria-labelledby="actionModalLabel" 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="actionModalLabel" style="color: var(--kaauh-teal-dark);">
                    {% trans "Interview Action" %}
                </h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
            </div>
            <div id="actionModalBody" class="modal-body">
                <div class="text-center py-5 text-muted">
                    <i class="fas fa-spinner fa-spin fa-2x"></i><br>
                    {% trans "Loading..." %}
                </div>
            </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 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 {
                selectAllCheckbox.checked = false;
                selectAllCheckbox.indeterminate = true;
            }
        }

        selectAllCheckbox.addEventListener('change', function () {
            const isChecked = selectAllCheckbox.checked;

            rowCheckboxes.forEach(checkbox => checkbox.removeEventListener('change', updateSelectAllState));

            rowCheckboxes.forEach(function (checkbox) {
                checkbox.checked = isChecked;
                checkbox.dispatchEvent(new Event('change', { bubbles: true }));
            });

            rowCheckboxes.forEach(checkbox => checkbox.addEventListener('change', updateSelectAllState));
            updateSelectAllState();
        });

        rowCheckboxes.forEach(function (checkbox) {
            checkbox.addEventListener('change', updateSelectAllState);
        });

        updateSelectAllState();
    }

    // Clear modal content when hidden
    const actionModal = document.getElementById('actionModal');
    actionModal.addEventListener('hidden.bs.modal', function () {
        const modalBody = actionModal.querySelector('#actionModalBody');
        if (modalBody) {
            modalBody.innerHTML = `
                <div class="text-center py-5 text-muted">
                    <i class="fas fa-spinner fa-spin fa-2x"></i><br>
                    {% trans "Loading..." %}
                </div>
            `;
        }
    });
});
</script>
{% endblock %}