const fs = require("node:fs")
const crypto = require("node:crypto")

function getFileHash(filePath) {
    return new Promise((resolve, reject) => {
        const hash = crypto.createHash("sha256")
        const file = fs.createReadStream(filePath)
        file.on("error", (err) => {
            reject(err)
        })
        file.on("data", (chunk) => {
            hash.update(chunk)
        })
        file.on("end", () => {
            resolve(hash.digest("hex"))
        })
    })
}

module.exports = {
    getFileHash
}