package nip29

import (
	"testing"

	"github.com/stretchr/testify/require"
)

const (
	ALICE = "eadad094b75b4690e7ee7124522861b8d81d5ed92e81eb678e776d1164d1efe9"
	BOB   = "6ac475cdf30e2006ee5142559544e86f8f1b485a9c8c1f2da467996fb7fcdfe7"
	CAROL = "f81982b8b6ba354a1e09acfda348512ef93e5778847fb5f4b30fe6b0042f4b36"
	DEREK = "24a049c4e5c9cff1764c312b2e0fa59a02af235b37809180b3f2c7b2ec3dbdfd"
)

func TestGroupEventBackAndForth(t *testing.T) {
	group1, _ := NewGroup("relay.com'xyz")
	group1.Name = "banana"
	group1.Private = true
	meta1 := group1.ToMetadataEvent()

	require.Equal(t, "xyz", meta1.Tags.GetD(), "translation of group1 to metadata event failed: %s", meta1)
	require.NotNil(t, meta1.Tags.FindWithValue("name", "banana"), "translation of group1 to metadata event failed: %s", meta1)

	hasPrivate := false
	for _, tag := range meta1.Tags {
		if len(tag) == 1 && tag[0] == "private" {
			hasPrivate = true
		}
	}
	require.True(t, hasPrivate, "translation of group1 to metadata event failed: %s", meta1)

	group2, _ := NewGroup("groups.com'abc")
	group2.Members[ALICE] = []*Role{{Name: "nada"}}
	group2.Members[BOB] = []*Role{{Name: "nada"}}
	group2.Members[CAROL] = nil
	group2.Members[DEREK] = nil
	admins2 := group2.ToAdminsEvent()

	require.Equal(t, "abc", admins2.Tags.GetD(), "translation of group2 to admins event failed")
	require.Equal(t, 3, len(admins2.Tags), "translation of group2 to admins event failed")
	require.True(t, admins2.Tags.FindWithValue("p", ALICE)[2] == "nada", "translation of group2 to admins event failed")
	require.True(t, admins2.Tags.FindWithValue("p", BOB)[2] == "nada", "translation of group2 to admins event failed")

	members2 := group2.ToMembersEvent()
	require.Equal(t, "abc", members2.Tags.GetD(), "translation of group2 to members2 event failed")
	require.Equal(t, 5, len(members2.Tags), "translation of group2 to members2 event failed")
	require.NotNil(t, members2.Tags.FindWithValue("p", ALICE), "translation of group2 to members2 event failed")
	require.NotNil(t, members2.Tags.FindWithValue("p", BOB), "translation of group2 to members2 event failed")
	require.NotNil(t, members2.Tags.FindWithValue("p", CAROL), "translation of group2 to members2 event failed")
	require.NotNil(t, members2.Tags.FindWithValue("p", DEREK), "translation of group2 to members2 event failed")

	group1.MergeInMembersEvent(members2)
	require.Equal(t, 4, len(group1.Members), "merge of members2 into group1 failed")
	require.Len(t, group1.Members[ALICE], 0, "merge of members2 into group1 failed")
	require.Len(t, group1.Members[DEREK], 0, "merge of members2 into group1 failed")

	group1.MergeInAdminsEvent(admins2)
	require.Equal(t, 4, len(group1.Members), "merge of admins2 into group1 failed")

	require.Equal(t, "nada", group1.Members[ALICE][0].Name, "merge of admins2 into group1 failed")
	require.Len(t, group1.Members[DEREK], 0, "merge of admins2 into group1 failed")

	group2.MergeInMetadataEvent(meta1)
	require.Equal(t, "banana", group2.Name, "merge of meta1 into group2 failed")
	require.Equal(t, "abc", group2.Address.ID, "merge of meta1 into group2 failed")
}