package processing_test

import (
	"context"
	"os"
	"strings"
	"testing"
	"time"

	"github.com/descrybe/descrybe-v2/apps/api/internal/aiprompts"
	"github.com/descrybe/descrybe-v2/apps/api/internal/processing"
)

// Live proof against local mock-llm (OPENAI_BASE_URL). Skipped unless LIVE_MOCK_LLM=1.
func TestLive_MockLLM_rejectsCategoryEnhanceInstructionTitle(t *testing.T) {
	if strings.TrimSpace(os.Getenv("LIVE_MOCK_LLM")) == "" {
		t.Skip("set LIVE_MOCK_LLM=1 with mock-llm on OPENAI_BASE_URL")
	}
	base := strings.TrimSpace(os.Getenv("OPENAI_BASE_URL"))
	key := strings.TrimSpace(os.Getenv("OPENAI_API_KEY"))
	model := strings.TrimSpace(os.Getenv("OPENAI_MODEL"))
	if base == "" || key == "" {
		t.Fatal("OPENAI_BASE_URL and OPENAI_API_KEY required")
	}
	if model == "" {
		model = "mock-llm"
	}

	client := processing.NewOpenAIClient(key, base, model, 0, 2)
	eng := &processing.Engine{
		Completer: client,
		Vector:    processing.NoopVectorCategorizer{},
	}
	ctx, cancel := context.WithTimeout(context.Background(), 45*time.Second)
	defer cancel()

	out, err := eng.RunSteps(ctx, "live-probe", processing.ProductInput{
		GTIN:                  "8712285326882",
		Name:                  "Vox SWA-8000W",
		Description:           "Washer dryer combo",
		Mapped:                map[string]any{"name": "Vox SWA-8000W", "description": "Washer dryer combo", "category": "demo-electronics", "brand": "Vox"},
		Language:              "en",
		EnhanceUserTemplate:   aiprompts.CategoryEnhanceUserTemplate,
		EnhanceSystemTemplate: `Retail product copywriter. Reply with ONLY JSON. Schema: {"name":"string","description":"string"}`,
		TitleTemplate: map[string]any{
			"separator": " ",
			"elements": []any{
				map[string]any{"type": "variable", "value": "brand"},
				map[string]any{"type": "text", "value": " "},
				map[string]any{"type": "variable", "value": "product_model"},
			},
		},
	}, "enhance_only", nil, processing.StepPolicy{AllowAI: true})
	if err != nil {
		t.Fatal(err)
	}
	t.Logf("ProcessedName=%q AIProviderMode=%q", out.ProcessedName, out.AIProviderMode)
	lower := strings.ToLower(out.ProcessedName)
	for _, p := range []string{"title formula", "follow any", "short retail title", "use attrs", "schema:", "reply with only json"} {
		if strings.Contains(lower, p) {
			t.Fatalf("polluted title %q contains %q", out.ProcessedName, p)
		}
	}
	if !strings.Contains(lower, "vox") {
		t.Fatalf("ProcessedName=%q want Vox feed title", out.ProcessedName)
	}
}