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

{% block title %}{% trans "Backend Logs" %}{% endblock %}

{% block head %}
    <script>
        window.proxboxLogsConfig = {
            logsApiUrl: "{{ logs_api_url|default:''|escapejs }}",
            sseStreamUrl: "{{ sse_stream_url|default:''|escapejs }}",
            fastapiUrl: "{{ fastapi_url|default:''|escapejs }}",
            saveLogPathUrl: "{{ save_log_path_api_url|default:''|escapejs }}",
            backendLogFilePath: "{{ backend_log_file_path|default:'/var/log/proxbox.log'|escapejs }}"
        };
    </script>
    <script type="module" src="{% static 'netbox_proxbox/js/logs.js' %}"></script>
    <link rel="stylesheet" href="{% static 'netbox_proxbox/styles/logs.css' %}">
{% endblock %}

{% block content %}
<div class="row">
    <div class="col-12">
        <div class="card">

            {# ── Title bar ── #}
            <div class="card-header">
                <div class="d-flex justify-content-between align-items-center">
                    <div class="d-flex align-items-center gap-2">
                        <h5 class="mb-0">
                            <i class="mdi mdi-file-document-outline"></i>
                            {% trans "Backend Logs" %}
                        </h5>
                        <span class="badge logs-status-badge disconnected" id="connectionStatus">
                            <i class="mdi mdi-circle-small"></i>
                            <span id="connectionModeLabel">{% trans "Connecting…" %}</span>
                        </span>
                    </div>
                    <div class="d-flex align-items-center gap-2">
                        <div class="form-check form-switch mb-0">
                            <input class="form-check-input" type="checkbox" id="autoRefreshToggle" checked>
                            <label class="form-check-label" for="autoRefreshToggle">
                                {% trans "Live" %}
                            </label>
                        </div>
                        <button type="button" class="btn btn-outline-secondary btn-sm" id="copyLogsBtn"
                                data-label-copy="{% trans 'Copy to clipboard' %}"
                                data-label-copied="{% trans 'Copied' %}">
                            <i class="mdi mdi-content-copy"></i>
                            <span data-copy-label>{% trans "Copy" %}</span>
                        </button>
                        <button type="button" class="btn btn-outline-secondary btn-sm" id="refreshBtn">
                            <i class="mdi mdi-refresh"></i>
                            {% trans "Refresh" %}
                        </button>
                    </div>
                </div>
            </div>

            {# ── Tabs + inline filters ── #}
            <div class="card-header logs-filter-bar">
                <div class="d-flex justify-content-between align-items-center flex-wrap gap-2">
                    <ul class="nav nav-tabs card-header-tabs logs-tabs mb-0" id="logsTabs" role="tablist">
                        <li class="nav-item" role="presentation">
                            <button type="button" class="nav-link active" id="allLogsTab"
                                    data-log-tab="all" role="tab" aria-selected="true">
                                {% trans "All" %}
                            </button>
                        </li>
                        <li class="nav-item" role="presentation">
                            <button type="button" class="nav-link" id="errorsLogsTab"
                                    data-log-tab="errors" role="tab" aria-selected="false">
                                {% trans "Errors" %}
                            </button>
                        </li>
                    </ul>
                    <div class="d-flex align-items-center gap-2 flex-wrap" id="filterControls">
                        <select class="form-select form-select-sm logs-filter-select" id="levelFilter">
                            <option value="">{% trans "All levels" %}</option>
                            <option value="DEBUG">DEBUG</option>
                            <option value="INFO">INFO</option>
                            <option value="WARNING">WARNING</option>
                            <option value="ERROR">ERROR</option>
                            <option value="CRITICAL">CRITICAL</option>
                        </select>
                        <input type="datetime-local" class="form-control form-control-sm logs-filter-date"
                               id="fromDateFilter" title="{% trans 'From' %}">
                        <input type="datetime-local" class="form-control form-control-sm logs-filter-date"
                               id="toDateFilter" title="{% trans 'To' %}">
                        <input type="text" class="form-control form-control-sm logs-filter-op"
                               id="operationIdFilter" placeholder="{% trans 'Operation ID' %}">
                        <button type="button" class="btn btn-outline-secondary btn-sm" id="clearFiltersBtn">
                            {% trans "Clear" %}
                        </button>
                        <span class="badge bg-info" id="activeFiltersBadge" style="display:none;"></span>
                    </div>
                </div>
            </div>

            {# ── Log table ── #}
            <div class="card-body p-0">
                <div class="table-responsive">
                    <table class="table table-hover table-sm table-striped logs-table mb-0">
                        <thead>
                            <tr>
                                <th style="width: 180px;">{% trans "Timestamp" %}</th>
                                <th style="width: 80px;">{% trans "Level" %}</th>
                                <th style="width: 150px;">{% trans "Module" %}</th>
                                <th>{% trans "Message" %}</th>
                                <th style="width: 120px;">{% trans "Operation" %}</th>
                            </tr>
                        </thead>
                        <tbody id="logsTableBody">
                            <tr id="loadingRow">
                                <td colspan="5" class="text-center text-muted py-4">
                                    <span class="spinner-border spinner-border-sm me-2" role="status"></span>
                                    {% trans "Loading logs…" %}
                                </td>
                            </tr>
                        </tbody>
                    </table>
                </div>
                <div id="noLogsMessage" class="text-center py-4" style="display: none;">
                    <p class="text-muted mb-0">{% trans "No logs to display" %}</p>
                </div>
                <div id="errorMessage" class="text-center py-4" style="display: none;">
                    <p class="text-danger mb-0" id="errorText"></p>
                </div>
            </div>

            {# ── Footer: count + load more + collapsible log path config ── #}
            <div class="card-footer">
                <div class="d-flex justify-content-between align-items-center">
                    <div class="text-muted small">
                        <span id="logCount">0</span> {% trans "logs" %}
                        <span id="totalCount" style="display: none;"></span>
                    </div>
                    <div class="d-flex align-items-center gap-2">
                        <button type="button" class="btn btn-outline-secondary btn-sm"
                                id="loadMoreBtn" style="display: none;">
                            {% trans "Load More" %}
                        </button>
                        <button type="button"
                                class="btn btn-link btn-sm text-muted p-0 logs-config-toggle"
                                data-bs-toggle="collapse"
                                data-bs-target="#logPathConfig"
                                aria-expanded="false"
                                aria-controls="logPathConfig">
                            <i class="mdi mdi-cog-outline"></i>
                            {% trans "Log path" %}
                        </button>
                    </div>
                </div>
                <div class="collapse mt-2" id="logPathConfig">
                    <div class="input-group input-group-sm" style="max-width: 480px;">
                        <span class="input-group-text">{% trans "Log file path" %}</span>
                        <input type="text" class="form-control"
                               id="backendLogFilePathInput"
                               value="{{ backend_log_file_path|default:'/var/log/proxbox.log' }}"
                               placeholder="/var/log/proxbox.log">
                        <button type="button" class="btn btn-outline-secondary"
                                id="saveBackendLogFilePathBtn">
                            {% trans "Save" %}
                        </button>
                    </div>
                    <div class="small text-muted mt-1" id="backendLogFilePathStatus">
                        {% trans "Log file path changes apply after proxbox-api restart." %}
                    </div>
                </div>
            </div>

        </div>
    </div>
</div>
{% endblock %}