{% extends "base.html" %}

{% block title %}{{ company.name }} - Document Management{% endblock %}

{% block head %}
{{ super() }}
<style>
    .document-card {
        transition: transform 0.2s;
    }

    .document-card:hover {
        transform: translateY(-2px);
    }

    .file-icon {
        font-size: 2rem;
        margin-bottom: 0.5rem;
    }

    .upload-area {
        border: 2px dashed #dee2e6;
        border-radius: 0.375rem;
        padding: 2rem;
        text-align: center;
        transition: border-color 0.2s;
    }

    .upload-area:hover {
        border-color: #0d6efd;
    }

    .upload-area.dragover {
        border-color: #0d6efd;
        background-color: #f8f9fa;
    }
</style>
{% endblock %}

{% block content %}
<div class="container-fluid py-4">
    <div class="d-flex justify-content-between align-items-center mb-4">
        <h2><i class="bi bi-folder me-2"></i>{{ company.name }} - Documents</h2>
        <div>
            <a href="/company/view/{{ company.base_data.id }}" class="btn btn-outline-secondary me-2">
                <i class="bi bi-arrow-left me-1"></i>Back to Company
            </a>
            <a href="/company" class="btn btn-outline-secondary">
                <i class="bi bi-building me-1"></i>All Companies
            </a>
        </div>
    </div>

    <!-- Success/Error Messages -->
    {% if success %}
    <div class="alert alert-success alert-dismissible fade show" role="alert">
        <i class="bi bi-check-circle me-2"></i>{{ success }}
        <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
    </div>
    {% endif %}

    {% if error %}
    <div class="alert alert-danger alert-dismissible fade show" role="alert">
        <i class="bi bi-exclamation-triangle me-2"></i>{{ error }}
        <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
    </div>
    {% endif %}

    <!-- Document Statistics -->
    <div class="row mb-4">
        <div class="col-md-3">
            <div class="card text-center">
                <div class="card-body">
                    <i class="bi bi-files text-primary" style="font-size: 2rem;"></i>
                    <h4 class="mt-2">{{ stats.total_documents }}</h4>
                    <p class="text-muted mb-0">Total Documents</p>
                </div>
            </div>
        </div>
        <div class="col-md-3">
            <div class="card text-center">
                <div class="card-body">
                    <i class="bi bi-hdd text-info" style="font-size: 2rem;"></i>
                    <h4 class="mt-2">{{ stats.formatted_total_size }}</h4>
                    <p class="text-muted mb-0">Total Size</p>
                </div>
            </div>
        </div>
        <div class="col-md-3">
            <div class="card text-center">
                <div class="card-body">
                    <i class="bi bi-upload text-success" style="font-size: 2rem;"></i>
                    <h4 class="mt-2">{{ stats.recent_uploads }}</h4>
                    <p class="text-muted mb-0">Recent Uploads</p>
                </div>
            </div>
        </div>
        <div class="col-md-3">
            <div class="card text-center">
                <div class="card-body">
                    <i class="bi bi-folder-plus text-warning" style="font-size: 2rem;"></i>
                    <h4 class="mt-2">{{ stats.by_type | length }}</h4>
                    <p class="text-muted mb-0">Document Types</p>
                </div>
            </div>
        </div>
    </div>

    <!-- Document Upload Section -->
    <div class="card mb-4">
        <div class="card-header bg-primary text-white">
            <h5 class="mb-0"><i class="bi bi-cloud-upload me-2"></i>Upload Documents</h5>
        </div>
        <div class="card-body">
            <form action="/company/documents/{{ company_id }}/upload" method="post" enctype="multipart/form-data"
                id="uploadForm">
                <div class="row">
                    <div class="col-md-6">
                        <div class="mb-3">
                            <label for="document_type" class="form-label">Document Type</label>
                            <select class="form-select" id="document_type" name="document_type" required>
                                <option value="">Select document type...</option>
                                {% for doc_type in document_types %}
                                <option value="{{ doc_type.0 }}">{{ doc_type.1 }}</option>
                                {% endfor %}
                            </select>
                        </div>
                        <div class="mb-3">
                            <label for="description" class="form-label">Description (Optional)</label>
                            <textarea class="form-control" id="description" name="description" rows="3"
                                placeholder="Enter document description..."></textarea>
                        </div>
                        <div class="mb-3 form-check">
                            <input type="checkbox" class="form-check-input" id="is_public" name="is_public">
                            <label class="form-check-label" for="is_public">
                                Make document publicly accessible
                            </label>
                        </div>
                    </div>
                    <div class="col-md-6">
                        <div class="mb-3">
                            <label for="documents" class="form-label">Select Files</label>
                            <div class="upload-area" id="uploadArea">
                                <i class="bi bi-cloud-upload file-icon text-muted"></i>
                                <p class="mb-2">Drag and drop files here or click to browse</p>
                                <input type="file" class="form-control" id="documents" name="documents" multiple
                                    accept=".pdf,.doc,.docx,.jpg,.jpeg,.png,.txt" style="display: none;">
                                <button type="button" class="btn btn-outline-primary"
                                    onclick="document.getElementById('documents').click()">
                                    <i class="bi bi-folder2-open me-1"></i>Browse Files
                                </button>
                                <div id="fileList" class="mt-3"></div>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="d-flex justify-content-end">
                    <button type="submit" class="btn btn-primary" id="uploadBtn">
                        <i class="bi bi-upload me-1"></i>Upload Documents
                    </button>
                </div>
            </form>
        </div>
    </div>

    <!-- Documents List -->
    <div class="card">
        <div class="card-header bg-light">
            <div class="d-flex justify-content-between align-items-center">
                <h5 class="mb-0"><i class="bi bi-files me-2"></i>Documents ({{ documents | length }})</h5>
                <div class="input-group" style="width: 300px;">
                    <input type="text" class="form-control" id="searchInput" placeholder="Search documents...">
                    <button class="btn btn-outline-secondary" type="button" id="searchBtn">
                        <i class="bi bi-search"></i>
                    </button>
                </div>
            </div>
        </div>
        <div class="card-body">
            {% if documents and documents | length > 0 %}
            <div class="row" id="documentsGrid">
                {% for document in documents %}
                <div class="col-md-4 mb-3 document-item" data-name="{{ document.name | lower }}"
                    data-type="{{ document.document_type_str | lower }}">
                    <div class="card document-card h-100">
                        <div class="card-body">
                            <div class="d-flex justify-content-between align-items-start mb-2">
                                <div class="file-icon">
                                    {% if document.is_pdf %}
                                    <i class="bi bi-file-earmark-pdf text-danger"></i>
                                    {% elif document.is_image %}
                                    <i class="bi bi-file-earmark-image text-success"></i>
                                    {% elif document.mime_type == "application/msword" %}
                                    <i class="bi bi-file-earmark-word text-primary"></i>
                                    {% else %}
                                    <i class="bi bi-file-earmark text-secondary"></i>
                                    {% endif %}
                                </div>
                                <div class="dropdown">
                                    <button class="btn btn-sm btn-outline-secondary dropdown-toggle" type="button"
                                        data-bs-toggle="dropdown">
                                        <i class="bi bi-three-dots"></i>
                                    </button>
                                    <ul class="dropdown-menu">
                                        <li><a class="dropdown-item" href="#"
                                                onclick="downloadDocument({{ document.id }})">
                                                <i class="bi bi-download me-1"></i>Download
                                            </a></li>
                                        <li><a class="dropdown-item" href="#" onclick="editDocument({{ document.id }})">
                                                <i class="bi bi-pencil me-1"></i>Edit
                                            </a></li>
                                        <li>
                                            <hr class="dropdown-divider">
                                        </li>
                                        <li><a class="dropdown-item text-danger" href="#"
                                                onclick="deleteDocument({{ document.id }}, '{{ document.name }}')">
                                                <i class="bi bi-trash me-1"></i>Delete
                                            </a></li>
                                    </ul>
                                </div>
                            </div>
                            <h6 class="card-title text-truncate" title="{{ document.name }}">{{ document.name }}</h6>
                            <p class="card-text">
                                <small class="text-muted">
                                    <span class="badge bg-secondary mb-1">{{ document.document_type_str }}</span><br>
                                    Size: {{ document.formatted_file_size }}<br>
                                    Uploaded: {{ document.formatted_upload_date }}<br>
                                    By: {{ document.uploaded_by }}
                                    {% if document.is_public %}
                                    <br><span class="badge bg-success">Public</span>
                                    {% endif %}
                                </small>
                            </p>
                            {% if document.description %}
                            <p class="card-text"><small>{{ document.description }}</small></p>
                            {% endif %}
                        </div>
                    </div>
                </div>
                {% endfor %}
            </div>
            {% else %}
            <div class="text-center py-5">
                <i class="bi bi-folder-x text-muted" style="font-size: 4rem;"></i>
                <h4 class="text-muted mt-3">No Documents Found</h4>
                <p class="text-muted">Upload your first document using the form above.</p>
            </div>
            {% endif %}
        </div>
    </div>
</div>

<!-- Delete Confirmation Modal -->
<div class="modal fade" id="deleteModal" tabindex="-1">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">Confirm Delete</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <div class="modal-body">
                <p>Are you sure you want to delete the document "<span id="deleteDocumentName"></span>"?</p>
                <p class="text-danger"><small>This action cannot be undone.</small></p>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
                <a href="#" class="btn btn-danger" id="confirmDeleteBtn">Delete Document</a>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block scripts %}
{{ super() }}
<script>
    document.addEventListener('DOMContentLoaded', function () {
        const uploadArea = document.getElementById('uploadArea');
        const fileInput = document.getElementById('documents');
        const fileList = document.getElementById('fileList');
        const uploadBtn = document.getElementById('uploadBtn');
        const searchInput = document.getElementById('searchInput');

        // File upload handling
        fileInput.addEventListener('change', function () {
            console.log('Files selected:', this.files.length);
            updateFileList();
            updateUploadButton();
        });

        // Drag and drop
        uploadArea.addEventListener('dragover', function (e) {
            e.preventDefault();
            e.stopPropagation();
            uploadArea.classList.add('dragover');
        });

        uploadArea.addEventListener('dragleave', function (e) {
            e.preventDefault();
            e.stopPropagation();
            uploadArea.classList.remove('dragover');
        });

        uploadArea.addEventListener('drop', function (e) {
            e.preventDefault();
            e.stopPropagation();
            uploadArea.classList.remove('dragover');

            const files = e.dataTransfer.files;
            console.log('Files dropped:', files.length);

            // Create a new DataTransfer object and assign to input
            const dt = new DataTransfer();
            for (let i = 0; i < files.length; i++) {
                dt.items.add(files[i]);
            }
            fileInput.files = dt.files;

            updateFileList();
            updateUploadButton();
        });

        // Click to upload area
        uploadArea.addEventListener('click', function (e) {
            if (e.target.tagName !== 'BUTTON' && e.target.tagName !== 'INPUT') {
                fileInput.click();
            }
        });

        // Search functionality
        searchInput.addEventListener('input', function () {
            const searchTerm = this.value.toLowerCase();
            const documentItems = document.querySelectorAll('.document-item');

            documentItems.forEach(function (item) {
                const name = item.dataset.name;
                const type = item.dataset.type;
                const matches = name.includes(searchTerm) || type.includes(searchTerm);
                item.style.display = matches ? 'block' : 'none';
            });
        });

        function updateFileList() {
            const files = Array.from(fileInput.files);
            if (files.length === 0) {
                fileList.innerHTML = '';
                return;
            }

            const listHtml = files.map(file =>
                `<div class="d-flex justify-content-between align-items-center p-2 border rounded mb-1">
                <span class="text-truncate">${file.name}</span>
                <small class="text-muted">${formatFileSize(file.size)}</small>
            </div>`
            ).join('');

            fileList.innerHTML = `<div class="mt-2"><strong>Selected files:</strong>${listHtml}</div>`;
        }

        function updateUploadButton() {
            const hasFiles = fileInput.files.length > 0;
            const hasDocumentType = document.getElementById('document_type').value !== '';
            uploadBtn.disabled = !hasFiles || !hasDocumentType;

            console.log('Update upload button - Files:', hasFiles, 'DocType:', hasDocumentType);
        }

        // Also update button when document type changes
        document.getElementById('document_type').addEventListener('change', function () {
            updateUploadButton();
        });

        // Add form submission debugging
        document.getElementById('uploadForm').addEventListener('submit', function (e) {
            console.log('Form submitted');
            console.log('Files:', fileInput.files.length);
            console.log('Document type:', document.getElementById('document_type').value);

            if (fileInput.files.length === 0) {
                e.preventDefault();
                alert('Please select at least one file to upload.');
                return false;
            }

            if (document.getElementById('document_type').value === '') {
                e.preventDefault();
                alert('Please select a document type.');
                return false;
            }
        });

        function formatFileSize(bytes) {
            if (bytes === 0) return '0 B';
            const k = 1024;
            const sizes = ['B', 'KB', 'MB', 'GB'];
            const i = Math.floor(Math.log(bytes) / Math.log(k));
            return parseFloat((bytes / Math.pow(k, i)).toFixed(1)) + ' ' + sizes[i];
        }
    });

    function deleteDocument(documentId, documentName) {
        document.getElementById('deleteDocumentName').textContent = documentName;
        document.getElementById('confirmDeleteBtn').href = `/company/documents/{{ company_id }}/delete/${documentId}`;
        new bootstrap.Modal(document.getElementById('deleteModal')).show();
    }

    function downloadDocument(documentId) {
        // TODO: Implement download functionality
        alert('Download functionality will be implemented soon');
    }

    function editDocument(documentId) {
        // TODO: Implement edit functionality
        alert('Edit functionality will be implemented soon');
    }
</script>
{% endblock %}