package mall

import (
	"context"
	"errors"
	"testing"

	"git.118im.com/im_team/olons_server/internal/store"
)

type fakeRepository struct {
	items  []store.ManualProduct
	detail *store.ManualProduct
}

func (f *fakeRepository) ManualProducts(context.Context, int64, int64, int, int) (*store.ManualProductPage, error) {
	return &store.ManualProductPage{Items: f.items, Total: int64(len(f.items))}, nil
}

func (f *fakeRepository) ManualProduct(context.Context, int64, int64) (*store.ManualProduct, error) {
	return f.detail, nil
}

func TestProductsMapsSafeCard(t *testing.T) {
	service := New(&fakeRepository{items: []store.ManualProduct{{ID: 4, ProductNo: "DEMO-P-03",
		CategoryID: 2, CategoryCode: "DAILY", CategoryName: "日用", Name: "体验商品", ShopName: "平台",
		PriceAmount: 12900, Currency: "CNY", CoverURL: "https://example.com/cover.png",
		DetailHTML: "<h3>标题</h3><script>alert(1)</script><p>内容</p>", ClaimedCount: 2, IsRecommended: true,
		StartAt: "2026-10-01T00:00:00Z", EndAt: "2026-10-31T00:00:00Z"}}})

	result, err := service.Products(context.Background(), 0, 0, 1, 20)
	if err != nil {
		t.Fatal(err)
	}
	if len(result.Items) != 1 || result.Items[0].CoverURL == "" || result.Items[0].Summary != "标题 内容" ||
		!result.Items[0].IsLimited || result.Items[0].EndAt == "" || len(result.Items[0].AvailableActions) != 1 ||
		result.Items[0].AvailableActions[0] != "contact_support" {
		t.Fatalf("unexpected product: %#v", result.Items)
	}
}

func TestProductRejectsUnsafeCoverAndReturnsPlainText(t *testing.T) {
	service := New(&fakeRepository{detail: &store.ManualProduct{ID: 4, Name: "商品",
		CoverURL: "javascript:alert(1)", DetailHTML: "<p>安全说明</p>"}})

	result, err := service.Product(context.Background(), 0, 4)
	if err != nil {
		t.Fatal(err)
	}
	if result.CoverURL != "" || result.DetailText != "安全说明" {
		t.Fatalf("unexpected detail: %#v", result)
	}
}

func TestProductsValidatesPagination(t *testing.T) {
	service := New(&fakeRepository{})
	if _, err := service.Products(context.Background(), 0, 0, -1, 20); !errors.Is(err, ErrPageInvalid) {
		t.Fatalf("expected page error, got %v", err)
	}
	if _, err := service.Products(context.Background(), 0, -1, 1, 20); !errors.Is(err, ErrCategoryIDInvalid) {
		t.Fatalf("expected category error, got %v", err)
	}
}