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

{% block title %}- {{ job.title }} - 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; }

    /* 1. 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;
    }

    /* Dedicated style for the filter block */
    .filter-controls {
        background-color: #f8f9fa;
        border-radius: 0.75rem;
        padding: 1.5rem;
        margin-bottom: 2rem;
        border: 1px solid var(--kaauh-border);
    }

    /* 2. Button Styling (Themed for Main Actions) */
    .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);
    }
    /* Style for the Bulk Move button */
    .btn-bulk-action {
        background-color: var(--kaauh-teal-dark);
        border-color: var(--kaauh-teal-dark);
        color: white;
        font-weight: 500;
    }
    .btn-bulk-action:hover {
        background-color: #00363e;
        border-color: #00363e;
    }

    /* 3. Candidate Table Styling (Aligned with KAAT-S) */
    .candidate-table {
        table-layout: fixed;
        width: 100%;
        border-collapse: separate;
        border-spacing: 0;
        background-color: white;
        border-radius: 0.5rem;
        overflow: hidden;
    }
    .candidate-table thead {
        background-color: var(--kaauh-border);
    }
    .candidate-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;
    }
    .candidate-table td {
        padding: 0.75rem 1rem;
        border-bottom: 1px solid var(--kaauh-border);
        vertical-align: middle;
        font-size: 0.9rem;
    }
    .candidate-table tbody tr:hover {
        background-color: #f1f3f4;
    }
    .candidate-table thead th:nth-child(1) { width: 40px; }
    .candidate-table thead th:nth-child(4) { width: 10%; }
    .candidate-table thead th:nth-child(7) { width: 100px; }

    .candidate-name {
        font-weight: 600;
        color: var(--kaauh-primary-text);
    }
    .candidate-details {
        font-size: 0.8rem;
        color: #6c757d;
    }

    /* 4. Badges and Statuses */
    .ai-score-badge {
        background-color: var(--kaauh-teal-dark) !important;
        color: white;
        font-weight: 700;
        padding: 0.4em 0.8em;
        border-radius: 0.4rem;
    }
    .status-badge {
        font-size: 0.75rem;
        padding: 0.3em 0.7em;
        border-radius: 0.35rem;
        font-weight: 700;
    }
    .bg-applicant { background-color: #6c757d !important; color: white; }
    .bg-candidate { background-color: var(--kaauh-success) !important; color: white; }

    /* Stage Badges */
    .stage-badge {
        font-size: 0.75rem;
        padding: 0.25rem 0.6rem;
        border-radius: 0.3rem;
        font-weight: 600;
        display: inline-block;
        margin-bottom: 0.2rem;
    }
    .stage-Applied { background-color: #e9ecef; color: #495057; }
    .stage-Screening { background-color: var(--kaauh-info); color: white; }
    .stage-Exam { background-color: var(--kaauh-warning); color: #856404; }
    .stage-Interview { background-color: #17a2b8; color: white; }
    .stage-Offer { background-color: var(--kaauh-success); color: white; }

    /* Timeline specific container */
    .applicant-tracking-timeline {
        margin-bottom: 2rem;
    }

    /* --- CUSTOM HEIGHT OPTIMIZATION (MAKING INPUTS/BUTTONS SMALLER) --- */
    .form-control-sm,
    .btn-sm {
        /* Reduce vertical padding even more than default Bootstrap 'sm' */
        padding-top: 0.2rem !important;
        padding-bottom: 0.2rem !important;
        /* Ensure a consistent, small height for both */
        height: 28px !important;
        font-size: 0.8rem !important; /* Slightly smaller font */
    }



</style>
{% 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-handshake me-2"></i>
                {% trans "Offer Management" %} - {{ job.title }}
            </h1>
            <h2 class="h5 text-muted mb-0">
                {% trans "Candidates in Offer Stage:" %} <span class="fw-bold">{{ candidates|length }}</span>
            </h2>
        </div>
        <div class="d-flex gap-2">
            <a href="{% url 'export_candidates_csv' job.slug 'offer' %}"
               class="btn btn-outline-secondary"
               title="{% trans 'Export offer candidates to CSV' %}">
                <i class="fas fa-download me-1"></i> {% trans "Export CSV" %}
            </a>
            <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>
    <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 p-3 bg-light border-bottom">
                {# Use d-flex and align-items-end on the container to align the form and the separator #}
                <div class="d-flex align-items-end gap-3">

                    {# Form: Hired/Rejected Status Update #}
                    <form hx-boost="true" hx-include="#candidate-form" action="{% url 'candidate_update_status' job.slug %}" method="post" class="d-flex align-items-end gap-2 action-group">
                        {% csrf_token %}

                        {# Select element #}
                        <select name="mark_as" id="update_status" class="form-select form-select-sm" style="width: 120px;">
                            <option selected>
                                ----------
                            </option>
                            <option value="Hired">
                                {% trans "To Hired" %}
                            </option>
                            <option value="Document Review">
                                {% trans "To Documents Review" %}
                            </option>
                            <option value="Interview">
                                {% trans "To Interview" %}
                            </option>
                        </select>

                        {# Button #}
                        <button type="submit" class="btn btn-main-action btn-sm">
                            <i class="fas fa-arrow-right me-1"></i> {% trans "Change Stage" %}
                        </button>



                    </form>


                    {# Separator (Vertical Rule) #}
                    <div class="vr" style="height: 28px;"></div>
                     <button type="button" class="btn btn-outline-info btn-sm"
                                data-bs-toggle="modal"
                                hx-boost='true'
                                data-bs-target="#emailModal"
                                hx-get="{% url 'compose_candidate_email' job.slug %}"
                                hx-target="#emailModalBody"
                                hx-include="#candidate-form"
                                title="Email Participants">
                                <i class="fas fa-envelope"></i>
                     </button>

                </div>
            </div>
        {% endif %}
        <div class="table-responsive">
        <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 style="width: 2%">
                            {% if candidates %}
                                <div class="form-check">
                                    <input
                                    type="checkbox" class="form-check-input" id="selectAllCheckbox">
                                </div>
                            {% endif %}
                        </th>
                        <th style="width: 15%"><i class="fas fa-user me-1"></i> {% trans "Name" %}</th>
                        <th style="width: 15%"><i class="fas fa-phone me-1"></i> {% trans "Contact" %}</th>
                        <th class="text-center" style="width: 10%"><i class="fas fa-check-circle me-1"></i> {% trans "Offer" %}</th>
                        <th scope="col" style="width: 30%;">
                                <i class="fas fa-file-alt me-1"></i> {% trans "Documents" %}
                            </th>
                        <th style="width: 5%"><i class="fas fa-cog me-1"></i> {% 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="text-center" id="status-result-{{ candidate.pk}}">
                            {% if not candidate.offer_status %}
                                <button type="button" class="btn btn-warning btn-sm"
                                    data-bs-toggle="modal"
                                    data-bs-target="#candidateviewModal"
                                    hx-get="{% url 'update_candidate_status' job.slug candidate.slug 'offer' 'passed' %}"
                                    hx-target="#candidateviewModalBody"
                                    title="Pass Exam">
                                    <i class="fas fa-plus"></i>
                                </button>
                            {% else %}
                                {% if candidate.offer_status %}
                                    <button type="button" class="btn btn-{% if candidate.offer_status == 'Accepted' %}success{% else %}danger{% endif %} btn-sm"
                                        data-bs-toggle="modal"
                                        data-bs-target="#candidateviewModal"
                                        hx-get="{% url 'update_candidate_status' job.slug candidate.slug 'offer' 'passed' %}"
                                        hx-target="#candidateviewModalBody"
                                        title="Pass Exam">
                                        {{ candidate.offer_status }}
                                    </button>
                                {% else %}
                                --
                                {% endif %}
                            {% endif %}
                        </td>
                        <td>
                                {% with documents=candidate.documents.all %}
                                    {% if documents %}
                                        <table class="table table-sm table-hover">
                                            <thead>
                                                <tr>
                                                </tr>
                                            </thead>
                                            <tbody>
                                                {% for document in documents %}
                                                <tr>
                                                    <td>
                                                        <div class="document-name">
                                                            <i class="fas fa-file me-1"></i>
                                                            {{ document.get_document_type_display }}
                                                        </div>
                                                    </td>
                                                    <td>
                                                        <small class="text-muted">
                                                            {% trans "Uploaded" %} {{ document.created_at|date:"M d, Y" }}
                                                        </small>
                                                    </td>
                                                    <td>
                                                        <div class="document-actions">
                                                            <a href="{{ document.file.url }}"
                                                               target="_blank"
                                                               class="btn btn-sm btn-outline-primary"
                                                               title="{% trans 'Download document' %}">
                                                                <i class="fas fa-download"></i>
                                                            </a>
                                                        </div>
                                                    </td>
                                                </tr>
                                                {% endfor %}
                                            </tbody>
                                        </table>
                                    {% else %}
                                        <div class="no-documents">
                                            <i class="fas fa-exclamation-triangle me-2"></i>
                                            {% trans "No documents uploaded" %}
                                        </div>
                                    {% 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>
                        </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 Offer stage for this job." %}
                </div>
            {% endif %}
        </form>
        </div>
    </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>
    </div>
</div>



<!-- Email Modal -->
<div class="modal fade" id="emailModal" tabindex="-1" aria-labelledby="emailModalLabel" aria-hidden="true">
  <div class="modal-dialog modal-lg" role="document">
    <div class="modal-content kaauh-card">
      <div class="modal-header" style="border-bottom: 1px solid var(--kaauh-border);">
        <h5 class="modal-title" id="emailModalLabel" style="color: var(--kaauh-teal-dark);">
          <i class="fas fa-envelope me-2"></i>{% trans "Compose Email" %}
        </h5>
        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
      </div>
      <div id="emailModalBody" class="modal-body">
        <div class="text-center py-5 text-muted">
          <i class="fas fa-spinner fa-spin fa-2x"></i><br>
          {% trans "Loading email form..." %}

        </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 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();
        }
    });
</script>
{% endblock %}
