package appconfig

import (
	"testing"
	"time"
)

func TestBannerModelFromRequestRequiresRoomSmallImageForRoomScope(t *testing.T) {
	_, err := bannerModelFromRequest("lalu", bannerRequest{
		CoverURL:     "https://cdn.example.com/banner.png",
		BannerType:   "h5",
		DisplayScope: bannerDisplayScopeRoom,
		Param:        "https://h5.example.com/activity",
		Status:       bannerStatusActive,
		Platform:     "android",
		EndsAtMs:     time.Now().UTC().Add(time.Hour).UnixMilli(),
	})
	if err == nil {
		t.Fatal("expected room scope without room small image to fail")
	}
}

func TestBannerModelFromRequestKeepsRoomScopeScheduleFields(t *testing.T) {
	startsAtMs := time.Now().UTC().Add(time.Hour).UnixMilli()
	endsAtMs := startsAtMs + int64(time.Hour/time.Millisecond)
	item, err := bannerModelFromRequest("lalu", bannerRequest{
		CoverURL:          "https://cdn.example.com/banner.png",
		RoomSmallImageURL: "https://cdn.example.com/banner-small.png",
		BannerType:        "h5",
		DisplayScope:      bannerDisplayScopeRoom,
		Param:             "https://h5.example.com/activity",
		Status:            bannerStatusActive,
		Platform:          "android",
		StartsAtMs:        startsAtMs,
		EndsAtMs:          endsAtMs,
	})
	if err != nil {
		t.Fatalf("banner model should be valid: %v", err)
	}
	if item.DisplayScope != bannerDisplayScopeRoom || item.RoomSmallImageURL == "" {
		t.Fatalf("room display fields mismatch: %+v", item)
	}
	if item.StartsAtMS != startsAtMs || item.EndsAtMS != endsAtMs || item.Status != bannerStatusActive {
		t.Fatalf("schedule fields mismatch: %+v", item)
	}
}

func TestBannerModelFromRequestExpiresEndedActiveBanner(t *testing.T) {
	item, err := bannerModelFromRequest("lalu", bannerRequest{
		CoverURL:          "https://cdn.example.com/banner.png",
		RoomSmallImageURL: "https://cdn.example.com/ignored.png",
		BannerType:        "app",
		DisplayScope:      bannerDisplayScopeHome,
		Status:            bannerStatusActive,
		Platform:          "ios",
		EndsAtMs:          1,
	})
	if err != nil {
		t.Fatalf("banner model should accept ended active banner: %v", err)
	}
	if item.Status != bannerStatusExpired {
		t.Fatalf("ended active banner must become expired: %+v", item)
	}
	if item.RoomSmallImageURL != "" {
		t.Fatalf("non-room banner must not retain room small image: %+v", item)
	}
}