package web

import (
	"encoding/json"
	"net/http"
)

func generateFormattedBarcode(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodPost {
		http.Error(w, "Use a POST request for barcode generation", http.StatusMethodNotAllowed)
		return
	}

	var req FormattedBarcodeRequest
	err := json.NewDecoder(r.Body).Decode(&req)
	if err != nil {
		http.Error(w, err.Error(), http.StatusBadRequest)
		return
	}

	// Define a new type in `formatting` and create an instance of it here

	// Call the format function providing the above type

	// Create a generation.Parameters struct here using the string obtained from `formatting`

	// Call the validate function providing the generation.Parameters var

	/* Generate the barcode as per generate.route.go
	barcodeGen, err := generation.Generate(parameters)
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	if barcodeGen == nil {
		fmt.Println("Generation failed, no barcode created")
		http.Error(w, "Barcode Generation Failed", http.StatusInternalServerError)
		return
	}

	barcodeGen, _ = barcode.Scale(barcodeGen, int(req.Width), int(req.Height))

	image, isImage := barcodeGen.(image.Image)
	if !isImage {
		fmt.Println("Generation failed - no image")
		http.Error(w, "Generated Barcode is not an image", http.StatusInternalServerError)
		return
	}

	w.Header().Set("Content-Type", "image/png")

	err = png.Encode(w, image)
	if err != nil {
		http.Error(w, "Error streaming barcode", http.StatusInternalServerError)
	}*/
}