# All files / src/hooks useMediaUpload.ts

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     'use client';

    import { useState, useCallback, useRef } from 'react';
    import { useTranslation } from 'react-i18next';
    import { apiService } from '@/services/api';

    interface UploadProgress {
        loaded: number;
        total: number;
        percentage: number;
    }

    interface UploadResult {
        url: string;
        path?: string;
        filename: string;
        size: number;
    }

    interface UseMediaUploadReturn {
        uploadFile: (
            file: File,
            category: string,
            tmdbId?: number,
            title?: string
        ) => Promise<UploadResult>;
        progress: UploadProgress | null;
        isUploading: boolean;
        error: string | null;
        cancelUpload: () => void;
    }

    /**
     * Hook for uploading media files with progress tracking
     */
    export function useMediaUpload(): UseMediaUploadReturn {
        const { t } = useTranslation();
        const [progress, setProgress] = useState<UploadProgress | null>(null);
        const [isUploading, setIsUploading] = useState(false);
        const [error, setError] = useState<string | null>(null);
        const abortControllerRef = useRef<AbortController | null>(null);
        const xhrRef = useRef<XMLHttpRequest | null>(null);

        const cancelUpload = useCallback(() => {
            if (xhrRef.current) {
                xhrRef.current.abort();
                xhrRef.current = null;
            }
            if (abortControllerRef.current) {
                abortControllerRef.current.abort();
                abortControllerRef.current = null;
            }
            setIsUploading(false);
            setProgress(null);
            setError(t('user.shows.status.cancelled'));
        }, [t]);

        const uploadFile = useCallback(
            async (
                file: File,
                category: string,
                tmdbId?: number,
                title?: string
            ): Promise<UploadResult> => {
                setIsUploading(true);
                setError(null);
                setProgress({ loaded: 0, total: file.size, percentage: 0 });

                return new Promise((resolve, reject) => {
                    const formData = new FormData();
                    formData.append('file', file);
                    formData.append('category', category);
                    if (tmdbId) {
                        formData.append('tmdb_id', tmdbId.toString());
                    }
                    if (title) {
                        formData.append('title', title);
                    }

                    const xhr = new XMLHttpRequest();
                    xhrRef.current = xhr;

                    // Progress tracking
                    xhr.upload.addEventListener('progress', (event) => {
                        if (event.lengthComputable) {
                            const percentage = Math.round((event.loaded / event.total) * 100);
                            setProgress({
                                loaded: event.loaded,
                                total: event.total,
                                percentage});
                        }
                    });

                    xhr.addEventListener('load', () => {
                        setIsUploading(false);
                        xhrRef.current = null;

                        if (xhr.status >= 200 && xhr.status < 300) {
                            try {
                                const response = JSON.parse(xhr.responseText);
                                setProgress(null);
                                resolve(response);
                            } catch {
                                const message = t('common.serverError');
                                setError(message);
                                reject(new Error(message));
                            }
                        } else {
                            let errorMessage = t('common.serverError');
                            try {
                                const errorResponse = JSON.parse(xhr.responseText);
                                errorMessage = errorResponse.message || errorResponse.error || errorMessage;
                            } catch {
                                // Use default error message
                            }
                            setError(errorMessage);
                            reject(new Error(errorMessage));
                        }
                    });

                    xhr.addEventListener('error', () => {
                        setIsUploading(false);
                        xhrRef.current = null;
                        const message = t('common.networkErrorDescription');
                        setError(message);
                        reject(new Error(message));
                    });

                    xhr.addEventListener('abort', () => {
                        setIsUploading(false);
                        xhrRef.current = null;
                        const message = t('user.shows.status.cancelled');
                        setError(message);
                        reject(new Error(message));
                    });

                    // Get auth token
                    const token = typeof window !== 'undefined'
                        ? localStorage.getItem('iptv_auth_token')
                        : null;

                    // Build API URL
                    const baseUrl = process.env.NEXT_PUBLIC_API_URL || '';
                    const url = `${baseUrl}/api/admin/media/upload`;

                    xhr.open('POST', url);

                    if (token) {
                        xhr.setRequestHeader('Authorization', `Bearer ${token}`);
                    }

                    xhr.send(formData);
                });
            },
            [t]
        );

        return {
            uploadFile,
            progress,
            isUploading,
            error,
            cancelUpload};
    }

    /**
     * Format bytes to human readable string
     */
    export function formatFileSize(bytes: number): string {
        if (bytes === 0) return '0 Bytes';
        const k = 1024;
        const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
        const i = Math.floor(Math.log(bytes) / Math.log(k));
        return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i];
    }