import app from '@adonisjs/core/services/app';
import { readdirSync, existsSync, statSync, unlinkSync } from 'node:fs';
import { extname, join } from 'node:path';
const IMAGE_EXTENSIONS = new Set(['.jpg', '.jpeg', '.png', '.gif', '.webp']);
const VIDEO_EXTENSIONS = new Set(['.mp4', '.mov', '.avi', '.webm']);
function getMediaType(filename) {
    const ext = extname(filename).toLowerCase();
    if (IMAGE_EXTENSIONS.has(ext))
        return 'image';
    if (VIDEO_EXTENSIONS.has(ext))
        return 'video';
    return 'unknown';
}
export default class MediaController {
    async index({ view }) {
        const uploadsDir = app.publicPath('uploads');
        let files = [];
        try {
            const entries = readdirSync(uploadsDir, { withFileTypes: true });
            files = entries
                .filter((entry) => entry.isFile())
                .map((entry) => {
                const stat = statSync(join(uploadsDir, entry.name));
                return {
                    filename: entry.name,
                    url: `/uploads/${entry.name}`,
                    type: getMediaType(entry.name),
                    size: stat.size,
                };
            })
                .sort((a, b) => b.filename.localeCompare(a.filename));
        }
        catch {
            files = [];
        }
        return view.render('dashboard', { files });
    }
    async serve({ params, response }) {
        const { filename } = params;
        if (!/^[\w\-. ]+$/.test(filename)) {
            return response.status(400).json({ error: 'Invalid filename.' });
        }
        const filePath = join(app.publicPath('uploads'), filename);
        if (!existsSync(filePath)) {
            return response.status(404).json({ error: 'Media not found', filename });
        }
        return response.download(filePath);
    }
    async destroy({ params, response }) {
        const { filename } = params;
        if (!/^[\w\-. ]+$/.test(filename)) {
            return response.status(400).json({ success: false, message: 'Invalid filename.' });
        }
        const filePath = join(app.publicPath('uploads'), filename);
        if (!existsSync(filePath)) {
            return response.status(404).json({ success: false, message: 'File not found.' });
        }
        unlinkSync(filePath);
        return response.ok({ success: true });
    }
}
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