package adminstore

import (
	"context"
	"testing"
)

// contains reports whether s holds v.
func contains(s []string, v string) bool {
	for _, x := range s {
		if x == v {
			return true
		}
	}
	return false
}

// electronicsCategoryID returns the seeded electronics.phone category id,
// skipping the test when the archive-kind migration is not applied.
func electronicsCategoryID(t *testing.T, s *Store) string {
	t.Helper()
	ctx := context.Background()
	var hasTable bool
	if err := s.pool.QueryRow(ctx, "SELECT to_regclass('public.kind_field') IS NOT NULL").Scan(&hasTable); err != nil || !hasTable {
		t.Skip("archive-kind migration not applied (kind_field missing)")
	}
	var id string
	err := s.pool.QueryRow(ctx, "SELECT id FROM category WHERE path = 'electronics.phone'::ltree").Scan(&id)
	if err != nil {
		t.Skipf("electronics.phone category not seeded: %v", err)
	}
	return id
}

func TestListKindFieldsElectronics(t *testing.T) {
	s := newTestStore(t)
	electronicsCategoryID(t, s) // ensures migration applied
	fields, err := s.ListKindFields(context.Background(), "electronics")
	if err != nil {
		t.Fatalf("list kind fields: %v", err)
	}
	if len(fields) == 0 {
		t.Fatal("expected seeded electronics fields, got none")
	}
	var sawQualified bool
	for _, f := range fields {
		if f.FieldKey == "model_number" && f.Qualified {
			sawQualified = true
		}
	}
	if !sawQualified {
		t.Fatal("expected model_number to be a qualified field")
	}
}

// TestElectronicsArchiveKind verifies a non-food product uses the electronics
// completeness rules: food fields (nutriments/ingredients) are not required,
// and qualified spec fields drive both "missing" and the quality score.
func TestElectronicsArchiveKind(t *testing.T) {
	s := newTestStore(t)
	ctx := context.Background()
	catID := electronicsCategoryID(t, s)

	created, err := s.CreateProduct(ctx, "tester", ProductInput{
		Name:       "测试手机 " + randomHex(6),
		CategoryID: &catID,
	})
	if err != nil {
		t.Fatalf("create product: %v", err)
	}
	t.Cleanup(func() { _, _ = s.pool.Exec(ctx, "DELETE FROM product WHERE id = $1", created.ID) })

	if created.ArchiveKind != "electronics" {
		t.Fatalf("archive_kind = %q, want electronics", created.ArchiveKind)
	}
	// Food-only completeness fields must not be required for electronics.
	if contains(created.Missing, "nutriments") || contains(created.Missing, "ingredients") {
		t.Fatalf("electronics product should not require food fields: missing=%v", created.Missing)
	}
	// Qualified spec fields should appear as missing while empty.
	for _, k := range []string{"model_number", "ccc_cert", "screen_size"} {
		if !contains(created.Missing, k) {
			t.Fatalf("expected %q in missing, got %v", k, created.Missing)
		}
	}

	scoreBefore := created.QualityScore

	gtin := "69" + randomHex(11)
	brand := "TestPhoneCo"
	updated, err := s.UpdateProduct(ctx, created.ID, "tester", ProductInput{
		Name:       created.Name,
		GTIN:       &gtin,
		BrandName:  &brand,
		CategoryID: &catID,
		Status:     "active",
		Attributes: map[string]any{
			"model_number": "X-100",
			"ccc_cert":     "2024010101234567",
			"screen_size":  "6.1",
			"color":        "黑色",
		},
	})
	if err != nil {
		t.Fatalf("update product: %v", err)
	}

	if got := updated.Attributes["model_number"]; got != "X-100" {
		t.Fatalf("attributes not persisted: %v", updated.Attributes)
	}
	for _, k := range []string{"model_number", "ccc_cert", "screen_size"} {
		if contains(updated.Missing, k) {
			t.Fatalf("%q should be filled, still missing: %v", k, updated.Missing)
		}
	}
	if updated.QualityScore <= scoreBefore {
		t.Fatalf("quality should rise after filling fields: before=%v after=%v", scoreBefore, updated.QualityScore)
	}
}