{% extends "base.html" %}

{% block title %}{{ filename }} - {{ modelrun.name|default:"Model Run" }} #{{ modelrun.id }}{% endblock %}

{% block extra_css %}
<style>
    .csv-viewer {
        overflow-x: auto;
        max-height: 600px;
        overflow-y: auto;
        border: 1px solid #dee2e6;
        border-radius: 5px;
    }
    .csv-viewer table {
        margin-bottom: 0;
    }
    .csv-viewer th {
        position: sticky;
        top: 0;
        background: #f8f9fa;
        z-index: 10;
        border-bottom: 2px solid #dee2e6;
    }
    .file-info {
        background: #e9ecef;
        padding: 10px;
        border-radius: 5px;
        margin-bottom: 15px;
    }
    .row-number {
        background: #f8f9fa;
        font-weight: bold;
        text-align: right;
        padding-right: 10px !important;
        border-right: 2px solid #dee2e6;
    }
</style>
{% endblock %}

{% block content %}
<div class="container mt-4">
    <div class="row">
        <div class="col-lg-12">
            <div class="card">
                <div class="card-header">
                    <div class="d-flex justify-content-between align-items-center">
                        <h4 class="mb-0">
                            <i class="fas fa-file-csv text-success"></i> {{ filename }}
                        </h4>
                        <div>
                            <a href="{% url 'view-modelrun-output-file' pk=modelrun.pk filepath=filepath %}?download=1" 
                               class="btn btn-primary btn-sm">
                                <i class="fas fa-download"></i> Download
                            </a>
                            <a href="{% url 'modelrun-output-files' modelrun.pk %}" class="btn btn-secondary btn-sm">
                                <i class="fas fa-arrow-left"></i> Back to Files
                            </a>
                        </div>
                    </div>
                </div>
                <div class="card-body">
                    <!-- File Info -->
                    <div class="file-info">
                        <div class="row">
                            <div class="col-md-4">
                                <strong>Model Run:</strong> 
                                <a href="{% url 'modelrun-detail' modelrun.pk %}">
                                    {{ modelrun.name|default:"Model Run" }} #{{ modelrun.id }}
                                </a>
                            </div>
                            <div class="col-md-4 text-center">
                                <strong>Total Rows:</strong> {{ total_rows|floatformat:0 }}
                                {% if is_large %}
                                    <span class="text-muted">(showing first 100)</span>
                                {% endif %}
                            </div>
                            <div class="col-md-4 text-md-end">
                                <strong>File Size:</strong> {{ file_size_mb }} MB
                            </div>
                        </div>
                    </div>

                    <!-- CSV Content -->
                    {% if csv_rows %}
                    <div class="csv-viewer">
                        <table class="table table-sm table-striped table-hover">
                            {% if csv_rows %}
                                {% with header=csv_rows.0 %}
                                <thead>
                                    <tr>
                                        <th class="row-number">#</th>
                                        {% for col in header %}
                                        <th>{{ col }}</th>
                                        {% endfor %}
                                    </tr>
                                </thead>
                                <tbody>
                                    {% for row in csv_rows|slice:"1:" %}
                                    <tr>
                                        <td class="row-number">{{ forloop.counter }}</td>
                                        {% for cell in row %}
                                        <td>{{ cell }}</td>
                                        {% endfor %}
                                    </tr>
                                    {% endfor %}
                                </tbody>
                                {% endwith %}
                            {% endif %}
                        </table>
                    </div>

                    {% if is_large %}
                    <div class="alert alert-info mt-3">
                        <i class="fas fa-info-circle"></i>
                        Showing first 100 rows of {{ total_rows|floatformat:0 }} total rows. 
                        <a href="{% url 'view-modelrun-output-file' pk=modelrun.pk filepath=filepath %}?download=1">
                            Download the file
                        </a> to see all data.
                    </div>
                    {% endif %}
                    
                    {% else %}
                    <div class="alert alert-warning">
                        <i class="fas fa-exclamation-triangle"></i>
                        This CSV file appears to be empty.
                    </div>
                    {% endif %}
                </div>
            </div>
        </div>
    </div>
</div>
{% endblock %}