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

{% block title %}Candidate Tier Management - {{ job.title }} - ATS{% endblock %}

{% block customCSS %}
<style>
    /* Minimal Tier Management Styles */
    .tier-controls {
        background-color: #f8f9fa;
        padding: 1rem;
        border-radius: 0.375rem;
        margin-bottom: 1.5rem;
    }
    .tier-controls .form-row {
        display: flex;
        align-items: end;
        gap: 0.75rem;
    }
    .tier-controls .form-group {
        flex: 1;
        margin-bottom: 0;
    }
    .bulk-update-controls {
        background-color: #f8f9fa;
        padding: 1rem;
        border-radius: 0.375rem;
        margin-bottom: 1.5rem;
    }
    .stage-groups {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 1rem;
        margin-bottom: 2rem;
    }
    .stage-group {
        border: 1px solid #dee2e6;
        border-radius: 0.375rem;
        overflow: hidden;
    }
    .stage-group .stage-header {
        background-color: #495057;
        color: white;
        padding: 0.5rem 0.75rem;
        font-weight: 500;
        font-size: 0.95rem;
    }
    .stage-group .stage-body {
        padding: 0.75rem;
        min-height: 80px;
    }
    .stage-candidate {
        padding: 0.375rem;
        border-bottom: 1px solid #f1f3f4;
    }
    .stage-candidate:last-child {
        border-bottom: none;
    }
    .match-score {
        font-weight: 600;
        color: #0056b3;
    }
    .btn-sm {
        font-size: 0.75rem;
        padding: 0.2rem 0.4rem;
    }

    /* Tab Styles for Tiers */
    .nav-tabs {
        border-bottom: 1px solid #dee2e6;
        margin-bottom: 1rem;
    }
    .nav-tabs .nav-link {
        border: none;
        color: #495057;
        font-weight: 500;
        padding: 0.5rem 1rem;
        transition: all 0.2s;
    }
    .nav-tabs .nav-link:hover {
        border: none;
        background-color: #f8f9fa;
    }
    .nav-tabs .nav-link.active {
        color: #495057;
        background-color: #fff;
        border: none;
        border-bottom: 2px solid #007bff;
        font-weight: 600;
    }
    .tier-1 .nav-link {
        color: #155724;
    }
    .tier-1 .nav-link.active {
        border-bottom-color: #28a745;
    }
    .tier-2 .nav-link {
        color: #856404;
    }
    .tier-2 .nav-link.active {
        border-bottom-color: #ffc107;
    }
    .tier-3 .nav-link {
        color: #721c24;
    }
    .tier-3 .nav-link.active {
        border-bottom-color: #dc3545;
    }

    /* Candidate Table Styles */
    .candidate-table {
        width: 100%;
        border-collapse: separate;
        border-spacing: 0;
        background-color: white;
        border-radius: 0.375rem;
        overflow: hidden;
        box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    }
    .candidate-table thead {
        background-color: #f8f9fa;
    }
    .candidate-table th {
        padding: 0.75rem;
        text-align: left;
        font-weight: 600;
        font-size: 0.875rem;
        color: #495057;
        border-bottom: 1px solid #dee2e6;
    }
    .candidate-table td {
        padding: 0.75rem;
        border-bottom: 1px solid #f1f3f4;
        vertical-align: middle;
    }
    .candidate-table tbody tr:hover {
        background-color: #f8f9fa;
    }
    .candidate-table tbody tr:last-child td {
        border-bottom: none;
    }
    .candidate-name {
        font-weight: 600;
        font-size: 0.95rem;
    }
    .candidate-details {
        font-size: 0.8rem;
        color: #6c757d;
    }
    .candidate-table-responsive {
        overflow-x: auto;
        margin-bottom: 1rem;
    }
    .stage-badge {
        padding: 0.125rem 0.5rem;
        border-radius: 0.5rem;
        font-size: 0.7rem;
        font-weight: 600;
        margin-left: 0.375rem;
    }
    .stage-Applied {
        background-color: #e9ecef;
        color: #495057;
    }
    .stage-Exam {
        background-color: #cce5ff;
        color: #004085;
    }
    .stage-Interview {
        background-color: #d1ecf1;
        color: #0c5460;
    }
    .stage-Offer {
        background-color: #d4edda;
        color: #155724;
    }
    .exam-controls {
        display: flex;
        align-items: center;
        gap: 0.375rem;
        margin-top: 0.375rem;
    }
    .exam-controls select,
    .exam-controls input {
        font-size: 0.75rem;
        padding: 0.125rem 0.25rem;
    }
    .tier-badge {
        font-size: 0.7rem;
        padding: 0.125rem 0.375rem;
        border-radius: 0.25rem;
        background-color: rgba(0,0,0,0.1);
        color: #495057;
        margin-left: 0.375rem;
    }
</style>
{% endblock %}

{% block content %}
<div class="container py-4">
    <div class="d-flex justify-content-between align-items-center mb-4">
        <div>
            <h1 class="h3 mb-1">
                <i class="fas fa-layer-group me-2"></i>
                {% trans "Exam" %} - {{ job.title }}
            </h1>
            <p class="text-muted mb-0">
                Total Candidates: {{ total_candidates }}
            </p>
        </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>

    <!-- Tier Controls -->
    <div class="tier-controls">
        <form method="post" class="mb-0">
            {% csrf_token %}
            <div class="form-row">
                <div class="form-group">
                    <label for="tier1_count">{% trans "Number of candidates in Tier 1 (Top N)" %}</label>
                    <input type="number" name="tier1_count" id="tier1_count" class="form-control"
                           value="{{ tier1_count }}" min="1" max="{{ total_candidates }}">
                </div>
                <div class="form-group">
                    <button type="submit" name="update_tiers" class="btn btn-primary">
                        <i class="fas fa-sync-alt me-1"></i> {% trans "Update Tiers" %}
                    </button>
                </div>
            </div>
        </form>
    </div>

    <!-- Tier Display -->
        <h2 class="h4 mb-3 mt-5">{% trans "Candidate Tiers" %}</h2>
        <div class="candidate-table-responsive" data-signals__ifmissing="{_fetching: false, selections: Array({{ candidates|length }}).fill(false)}">
            {% url "bulk_update_candidate_exam_status" job.slug as bulk_update_candidate_exam_status_url %}
            {% if candidates %}
                <button class="btn btn-primary"
                    data-attr="{disabled: !$selections.filter(Boolean).length}"
                    data-on-click="@post('{{bulk_update_candidate_exam_status_url}}',{
                        contentType: 'form',
                        selector: '#myform',
                        headers: {'X-CSRFToken': '{{ csrf_token }}','status': 'pass'}
                        })"
                    >Mark as Pass and move to Interview</button>
                <button class="btn btn-danger"
                    data-attr="{disabled: !$selections.filter(Boolean).length}"
                    data-on-click="@post('{{bulk_update_candidate_exam_status_url}}',{
                        contentType: 'form',
                        selector: '#myform',
                        headers: {'X-CSRFToken': '{{ csrf_token }}','status': 'fail'}
                        })"
                    >Mark as Failed</button>
            {% endif %}
                <form id="myform" action="{{move_to_exam_url}}" method="post">
                    <table class="candidate-table">
                        <thead>
                            <tr>
                                <th>
                                    {% if candidates %}
                                        <div class="form-check">
                                            <input
                                            data-bind-_all
                                            data-on-change="$selections = Array({{ candidates|length }}).fill($_all)"
                                            data-effect="$selections; $_all = $selections.every(Boolean)"
                                            data-attr-disabled="$_fetching"
                                            type="checkbox" class="form-check-input" id="candidate-{{ candidate.id }}">
                                        </div>
                                    {% endif %}
                                </th>
                                <th>{% trans "Name" %}</th>
                                <th>{% trans "Contact" %}</th>
                                <th>{% trans "AI Score" %}</th>
                                <th>{% trans "Exam Status" %}</th>
                                <th>{% trans "Exam Date" %}</th>
                                <th>{% trans "Actions" %}</th>
                            </tr>
                        </thead>
                        <tbody>
                            {% for candidate in candidates %}
                            <tr>
                                <td>
                                    <div class="form-check">
                                        <input
                                        data-bind-selections
                                        data-attr-disabled="$_fetching"
                                        name="{{ candidate.id }}"

                                        type="checkbox" class="form-check-input" id="candidate-{{ candidate.id }}">
                                    </div>
                                </td>
                                <td>
                                    <div class="candidate-name">{{ candidate.name }}</div>
                                </td>
                                <td>
                                    <div class="candidate-details">
                                        Email: {{ candidate.email }}<br>
                                        Phone: {{ candidate.phone }}<br>
                                    </div>
                                </td>
                                <td>
                                    <span class="badge bg-success">{{ candidate.match_score|default:"0" }}</span>
                                </td>
                                <td>
                                    {% if candidate.exam_status == "Passed" %}
                                        <span class="badge bg-success">{{ candidate.exam_status }}</span>
                                    {% elif candidate.exam_status == "Failed" %}
                                        <span class="badge bg-danger">{{ candidate.exam_status }}</span>
                                    {% endif %}
                                </td>
                                <td>{{candidate.exam_date|date:"M d, Y h:i A"}}</td>
                                <td>
                                    <button class="btn btn-primary"
                                        data-bs-toggle="modal"
                                        data-bs-target="#candidateviewModal"
                                        hx-get="{% url 'candidate_criteria_view_htmx' candidate.pk %}"
                                        hx-target="#candidateviewModalBody"
                                        >
                                    {% include "icons/view.html" %}
                                    {% trans "View" %}</button>
                                    <button class="btn btn-primary"
                                        data-bs-toggle="modal"
                                        data-bs-target="#candidateviewModal"
                                        hx-get="{% url 'update_candidate_exam_status' candidate.slug %}"
                                        hx-target="#candidateviewModalBody"
                                        >
                                    {% include "icons/view.html" %}
                                    {% trans "Set Exam Date" %}</button>
                                        {% if candidate.stage != "Exam" %}
                                        <button hx-post="{% url 'candidate_set_exam_date' candidate.slug %}"
                                            hx-target=".candidate-table"
                                            hx-select=".candidate-table"
                                            hx-swap="outerHTML"
                                            class="btn btn-primary"> {% trans "Move to Exam" %} {% include "icons/right.html" %}</button>
                                        {% endif %}
                                </td>
                            </tr>
                            {% endfor %}
                        </tbody>
                    </table>
                </form>
            </div>
    <!-- Tab Content -->

<div class="modal fade modal-lg" id="candidateviewModal" tabindex="-1" aria-labelledby="candidateviewModalLabel" aria-hidden="true">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="candidateviewModalLabel">Form Settings</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
            </div>
            <div id="candidateviewModalBody" class="modal-body">

            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
            </div>
        </div>
    </div>
</div>
{% endblock %}