import '../scss/frontend.scss';
import '../css/userarea.css';

import { getCookie } from './api';

import { Tab } from 'bootstrap';
import DataTable from 'datatables.net-dt';

let mediaTable = new DataTable('#mediaTable');
let scenesTable = new DataTable('#scenesTable');
let permissionsTable = new DataTable('#permissionsTable');

/* Uploads */

document.querySelectorAll('.drop-zone__input').forEach(inputElement => {
    const dropZoneElement = inputElement.closest('.drop-zone');

    dropZoneElement.addEventListener('click', e => {
        inputElement.click();
    });

    dropZoneElement.addEventListener('dragover', e => {
        e.preventDefault();
        dropZoneElement.classList.add('drop-zone--over');
    });

    ['dragleave', 'dragend', 'drop'].forEach(type => {
        dropZoneElement.addEventListener(type, e => {
            dropZoneElement.classList.remove('drop-zone--over');
        });
    });

    dropZoneElement.addEventListener('drop', e => {
        e.preventDefault();
        if (e.dataTransfer.files.length) {
            inputElement.files = e.dataTransfer.files;
            handleFiles(inputElement.files);
        }
    });

    inputElement.addEventListener('change', e => {
        if (inputElement.files.length) {
            handleFiles(inputElement.files);
        }
    });
});

function handleFiles(files) {
    const uploadStatus = document.getElementById('uploadStatus');

    Array.from(files).forEach(file => {
        const fileRow = document.createElement('div');
        fileRow.classList.add('row', 'align-items-center', 'mb-2', 'file-upload-wrapper');

        const thumbnailCol = document.createElement('div');
        thumbnailCol.classList.add('col-2');
        const thumbnail = document.createElement('img');
        thumbnail.classList.add('img-fluid', 'thumbnail');
        thumbnail.src = ''; // Placeholder until upload completes
        thumbnailCol.appendChild(thumbnail);

        const fileNameCol = document.createElement('div');
        fileNameCol.classList.add('col-7');
        const fileName = document.createElement('span');
        fileName.classList.add('file-name');
        fileName.textContent = file.name;
        fileNameCol.appendChild(fileName);

        const progressCol = document.createElement('div');
        progressCol.classList.add('col-3');
        const progressBar = document.createElement('div');
        progressBar.classList.add('progress');
        const progressBarInner = document.createElement('div');
        progressBarInner.classList.add('progress-bar');
        progressBarInner.setAttribute('role', 'progressbar');
        progressBarInner.setAttribute('aria-valuemin', '0');
        progressBarInner.setAttribute('aria-valuemax', '100');
        progressBarInner.style.width = '0%';
        progressBar.appendChild(progressBarInner);
        progressCol.appendChild(progressBar);

        fileRow.appendChild(thumbnailCol);
        fileRow.appendChild(fileNameCol);
        fileRow.appendChild(progressCol);

        uploadStatus.prepend(fileRow);

        uploadFile(file, progressBarInner, thumbnail);
    });
}

function uploadFile(file, progressBar, thumbnail) {
    const xhr = new XMLHttpRequest();
    const formData = new FormData();

    formData.append('file', file);
    formData.append('csrfmiddlewaretoken', getCookie('csrftoken'));

    if (file.type.startsWith('image')) {
        formData.append('media_type', 'image');
    } else if (file.type.startsWith('video')) {
        formData.append('media_type', 'video');
    } else {
        formData.append('media_type', 'other');
    }

    formData.append('title', file.name);

    xhr.upload.addEventListener('progress', (e) => {
        if (e.lengthComputable) {
            const percentComplete = (e.loaded / e.total) * 100;
            progressBar.style.width = `${percentComplete}%`;
            progressBar.textContent = `${Math.round(percentComplete)}%`;
        }
    });

    xhr.open('POST', document.location.href, true);

    xhr.onload = () => {
        if (xhr.status === 200) {
            const response = JSON.parse(xhr.responseText);
            const thumbnailUrl = response.thumbnailUrl;
            thumbnail.src = thumbnailUrl;
        } else {
            progressBar.classList.add('bg-danger');
            progressBar.textContent = "Error!";
        }
    };
    xhr.send(formData);
}