package marketing

import (
	"strings"
	"testing"
)

func TestListPreparedCampaignsSQL_boundsAndFilters(t *testing.T) {
	if !strings.Contains(listPreparedCampaignsSQL, "LIMIT") {
		t.Fatal("expected SQL LIMIT on prepared campaigns list")
	}
	if !strings.Contains(listPreparedCampaignsSQL, "template ?") {
		t.Fatal("expected jsonb key filter so non-campaign feeds are skipped in SQL")
	}
	if maxPreparedCampaigns <= 0 || maxPreparedCampaigns > 2000 {
		t.Fatalf("maxPreparedCampaigns out of expected range: %d", maxPreparedCampaigns)
	}
}

func TestBlackFridayDate2026(t *testing.T) {
	bf := BlackFridayDate(2026)
	if bf.Year() != 2026 || bf.Month() != 11 || bf.Day() != 27 {
		t.Fatalf("expected 2026-11-27, got %s", bf.Format("2006-01-02"))
	}
}

func TestResolveBlackFridayWindow(t *testing.T) {
	p, err := ResolvePreset(PresetBlackFriday, 2026)
	if err != nil {
		t.Fatal(err)
	}
	if p.StartDate != "2026-11-20" || p.EndDate != "2026-11-30" {
		t.Fatalf("unexpected window %s → %s", p.StartDate, p.EndDate)
	}
}

func TestResolveChristmas(t *testing.T) {
	p, err := ResolvePreset(PresetChristmas, 2026)
	if err != nil {
		t.Fatal(err)
	}
	if p.StartDate != "2026-12-01" || p.EndDate != "2026-12-26" {
		t.Fatalf("unexpected christmas window %s → %s", p.StartDate, p.EndDate)
	}
}

func TestComputeProductQualityScore(t *testing.T) {
	empty := ComputeProductQualityScore(ProductInput{})
	if empty.Score != 0 || empty.Grade != "F" {
		t.Fatalf("empty expected F/0, got %s/%d", empty.Grade, empty.Score)
	}

	full := ComputeProductQualityScore(ProductInput{
		ProcessedName:        "Great Widget Pro",
		ProcessedDescription: "A detailed product description that is long enough.",
		MetaTitle:            "Great Widget Pro | Shop",
		MetaDescription:      "Buy Great Widget Pro with free shipping and a two-year warranty today.",
		Category:             "Widgets",
		ProcessedAttributes:  map[string]any{"color": "red"},
		MappedData:           map[string]any{"image": "https://example.com/w.jpg"},
	})
	if full.Score != 100 || full.Grade != "A" {
		t.Fatalf("full expected A/100, got %s/%d", full.Grade, full.Score)
	}
}