UPCBarcodeLookup

dependencies: [
    .package(url: "https://github.com/eansearch/UPCBarcodeLookup.git", branch: "main")
]

import UPCBarcodeLookup

let token = ProcessInfo.processInfo.environment["EAN_SEARCH_API_TOKEN"]!
let ean = "5099750442227" // a GTIN, UPC or EAN code, eg from your barcode scanner

let upcLookup = UPCBarcodeLookup(apiToken: token)

do {
    let product = try await upcLookup.barcodeLookup(ean: ean)
    print ("EAN \(ean) is " + (product?.name ?? "not found"))

    let country = try await upcLookup.issuingCountryLookup(ean: ean)
    print ("EAN \(ean) was issued in " + (country))

    let ok = try await upcLookup.verifyChecksum(ean: ean)
    print ("EAN \(ean) checksum OK = \(ok)")

    let range = try await upcLookup.barcodePrefixSearch(prefix: "50997504422")
    print("Prefix range: 50997504422*")
    for product in range {
        print ("EAN \(product.ean) is \(product.name)")
    }

   let products = try await upcLookup.keywordSearch(keywords: "Bananaboat")
    print("Keyword: Bananaboat:")
    for product in products {
        print ("EAN \(product.ean) is \(product.name)")
    }

    let cat = try await upcLookup.categorySearch(keywords: "Thriller", category: 45)
    print("Keyword Thriller in category Music:")
    for product in cat {
        print ("EAN \(product.ean) is \(product.name)")
    }

    let similar = try await upcLookup.similarProductSearch(keywords: "Apple iPhone 16GB robust")
    print("Similar search:")
    for product in similar {
        print ("EAN \(product.ean) is \(product.name)")
    }

    let png = try await upcLookup.generateBarcodeImage(ean: ean, width: 400, height: 300)!

    let fileManager = FileManager.default
    var documentURL = try! fileManager.url(for: .documentDirectory, in: .userDomainMask, appropriateFor: nil, create: true)
    documentURL = documentURL.appendingPathComponent("barcode.png")
    try! png.write(to: documentURL)

    print("Credits remaining: ", upcLookup.creditsRemaining())
} catch {
    print ("Error: \(error)")
}