package eventcatalog

import (
	"encoding/json"
	"os"
	"testing"
	"time"
)

func TestImpactfulBusinessCatalogIsValidAndIndustryPersonalized(t *testing.T) {
	data, err := os.ReadFile("../../catalogs/impactful-business-events-1405-v1.json")
	if err != nil {
		t.Fatal(err)
	}
	var input Import
	if err := json.Unmarshal(data, &input); err != nil {
		t.Fatal(err)
	}
	if err := ValidateImport(input, 1405); err != nil {
		t.Fatal(err)
	}
	hasEducation, hasRetail := false, false
	months := make(map[time.Month]bool)
	for _, event := range input.Events {
		if event.OfficialHoliday && event.RelevanceBPS < 7000 {
			t.Fatalf("official holiday %s lacks evidenced business impact", event.ID)
		}
		for _, category := range event.MerchantCategories {
			hasEducation = hasEducation || category == "مراکز آموزشی مجازی"
			hasRetail = hasRetail || category == "کیف و کفش فروشی"
		}
		start, err := time.Parse(time.DateOnly, event.StartDate)
		if err != nil {
			t.Fatal(err)
		}
		months[start.Month()] = true
	}
	if !hasEducation || !hasRetail {
		t.Fatal("catalog must include both education- and retail-specific windows")
	}
	if len(input.Events) < 12 || len(months) < 9 {
		t.Fatalf("catalog must provide year-round candidate coverage; got %d events across %d months", len(input.Events), len(months))
	}
}