package dbsync

import (
	"path/filepath"
	"testing"
)

func TestEnsureBindingUpsert(t *testing.T) {
	dir := t.TempDir()
	st, err := NewFileStore(filepath.Join(dir, "dbsync"))
	if err != nil {
		t.Fatal(err)
	}
	b, err := st.EnsureBinding(Binding{
		TenantID:        1,
		LocalDatabaseID: "local-a",
		OnlineDBID:      "online-1",
		ChannelID:       "ch1",
		DatabaseName:    "本地演示库",
		DisplayName:     "AI建站智能体API",
	})
	if err != nil || b.ID == "" || b.DisplayName != "AI建站智能体API" {
		t.Fatalf("ensure: %+v err=%v", b, err)
	}
	b2, err := st.EnsureBinding(Binding{
		TenantID:        1,
		LocalDatabaseID: "local-a",
		OnlineDBID:      "online-2",
		DisplayName:     "线上库B",
	})
	if err != nil || b2.OnlineDBID != "online-2" || b2.ID != b.ID || b2.DisplayName != "线上库B" {
		t.Fatalf("upsert: %+v err=%v", b2, err)
	}
	list, err := st.ListBindings(1, "local-a")
	if err != nil || len(list) != 1 {
		t.Fatalf("list=%d err=%v", len(list), err)
	}
}

func TestUserBindingScope(t *testing.T) {
	dir := t.TempDir()
	st, err := NewFileStore(filepath.Join(dir, "dbsync"))
	if err != nil {
		t.Fatal(err)
	}
	_, err = st.EnsureBinding(Binding{
		TenantID: 1, UserID: 10,
		LocalDatabaseID: "loc-a", OnlineDBID: "on-a", ChannelID: "ch1",
	})
	if err != nil {
		t.Fatal(err)
	}
	_, err = st.EnsureBinding(Binding{
		TenantID: 1, UserID: 20,
		LocalDatabaseID: "loc-b", OnlineDBID: "on-b", ChannelID: "ch1",
	})
	if err != nil {
		t.Fatal(err)
	}
	mine, err := st.ListBindingsFiltered(1, 10, "")
	if err != nil || len(mine) != 1 || mine[0].OnlineDBID != "on-a" {
		t.Fatalf("filtered: %+v err=%v", mine, err)
	}
	if !st.UserOwnsOnlineDB(1, 10, "ch1", "on-a") {
		t.Fatal("should own on-a")
	}
	if st.UserOwnsOnlineDB(1, 10, "ch1", "on-b") {
		t.Fatal("must not own other's online_db_id")
	}
	if !st.UserCanAccessChannel(1, 10, "ch1") {
		t.Fatal("should access ch1")
	}
	if st.UserCanAccessChannel(1, 10, "ch-other") {
		t.Fatal("must not access unbound channel")
	}
}