# Issue: Unable to Upload Image Buffer to Appwrite Storage

const express = require('express');
const bodyParser = require('body-parser');
require('dotenv').config();
const sdk = require('node-appwrite');
const { InputFile } = require('node-appwrite');
const https = require('https');

app.use(bodyParser.json({ limit: '50mb' }));

const client = new sdk.Client()
    .setEndpoint(process.env.APPWRITE_API_ENDPOINT)
    .setProject(process.env.APPWRITE_PROJECT_ID)
    .setKey(process.env.APPWRITE_API_KEY);

const storage = new sdk.Storage(client);
const databases = new sdk.Databases(client);

function fetchImage(url) {
    return new Promise((resolve, reject) => {
        https.get(url, (response) => {
            if (response.statusCode !== 200) {
                reject(new Error(`Failed to fetch image: ${response.statusCode}`));
                return;
            }

            const data = [];
            response.on('data', (chunk) => {
                data.push(chunk);
            });

            response.on('end', () => {
                resolve(Buffer.concat(data));
            });
        }).on('error', reject);
    });
}

async function uploadImage(imageUrl, imageName, bucketId = process.env.BUCKET_ID) {
    try {
        const buffer = await fetchImage(imageUrl);

        console.log('Image fetched, buffer size:', buffer.length);

        const inputFile = InputFile.fromBuffer(buffer, imageName); 
        const result = await storage.createFile(bucketId, sdk.ID.unique(), inputFile);

        return result;
    } catch (error) {
        console.error("Error uploading image:", error);
        throw error;
    }
}