package app

import (
	"bytes"
	"context"
	"image"
	"image/color"
	"image/draw"
	"image/png"
	"os"
	"strings"
	"testing"
)

func TestCardRecognitionLive(t *testing.T) {
	if os.Getenv("RUN_CARD_RECOGNITION_LIVE") != "1" {
		t.Skip("explicit opt-in required: calls configured model service")
	}
	ctx := context.Background()
	cfg := loadCardRecognitionConfig(ctx)
	if !cfg.Enabled || cfg.APIKey == "" {
		t.Fatal("disabled or missing API key")
	}
	img := image.NewRGBA(image.Rect(0, 0, 256, 128))
	draw.Draw(img, img.Bounds(), image.NewUniform(color.White), image.Point{}, draw.Src)
	var buf bytes.Buffer
	if err := png.Encode(&buf, img); err != nil {
		t.Fatal(err)
	}
	t.Logf("provider=%s model=%s timeout=%s", cfg.Provider, cfg.Model, cfg.Timeout)
	raw, err := requestCardRecognitionModel(ctx, cfg, buf.Bytes(), "image/png")
	if err != nil {
		t.Fatal(strings.ReplaceAll(err.Error(), cfg.APIKey, "[REDACTED]"))
	}
	result := parseCardRecognitionResult(raw)
	t.Logf("result code=%s candidates=%d", result.Code, len(result.Candidates))
	if result.Code != cardRecognitionCodeUnreadable || len(result.Candidates) != 0 {
		t.Fatal("blank image must not produce an ICCID")
	}
}