package tag

import (
	"git.aiterp.net/rpdata2-take2/rpdata2/internal/genutils"
	"github.com/stretchr/testify/assert"
	"testing"
)

func printNode(t *testing.T, prefix string, node Node) {
	t.Log(prefix + "[" + node.ID + "] " + node.Name)
	for _, child := range node.Children {
		printNode(t, prefix+"  ", child)
	}
}

func TestNode_Less(t *testing.T) {
	n1 := Node{Tag: Tag{Kind: TKLocation | TKOrganization, Name: "Miner's Respite"}}
	n2 := Node{Tag: Tag{Kind: TKLocation | TKOrganization, Name: "Litae's Grace"}}
	n3 := Node{Tag: Tag{Kind: TKOrganization, Name: "Redrock Agency"}}
	n4 := Node{Tag: Tag{Kind: TKLocation, Name: "Redrock HQ"}}

	assert.True(t, n2.Less(n1))
	assert.True(t, !n1.Less(n2))
	assert.True(t, n3.Less(n4))
}

func TestNode_WithoutUnlisted(t *testing.T) {
	before := Node{Tag{Name: "A", Listed: true}, []Node{
		{Tag{Name: "B", Listed: true}, []Node{
			{Tag{Name: "D", Listed: false}, []Node{
				{Tag{Name: "F", Listed: true}, []Node{}},
			}},
			{Tag{Name: "E", Secret: true, Listed: true}, []Node{
				{Tag{Name: "G", Listed: true}, []Node{}},
			}},
		}},
		{Tag{Name: "C", Listed: true}, []Node{}},
	}}

	after := Node{Tag{Name: "A", Listed: true}, []Node{
		{Tag{Name: "B", Listed: true}, []Node{
			{Tag{Name: "E", Secret: true, Listed: true}, []Node{
				{Tag{Name: "G", Listed: true}, []Node{}},
			}},
		}},
		{Tag{Name: "C", Listed: true}, []Node{}},
	}}

	assert.Equal(t, &after, before.WithoutUnlisted())
}

func TestBuildForest(t *testing.T) {
	tags := []Tag{
		{ID: "T0", ParentID: genutils.Ptr("T7"), Name: "Root"},
		{ID: "T1", ParentID: genutils.Ptr("T0"), Name: "Stuff"},
		{ID: "T2", ParentID: genutils.Ptr("T0"), Name: "Things"},
		{ID: "T3", Name: "Second Root"},
		{ID: "T4", ParentID: genutils.Ptr("T2"), Name: "Items"},
		{ID: "T5", ParentID: genutils.Ptr("T1"), Name: "Objects"},
		{ID: "T6", ParentID: genutils.Ptr("T4"), Name: "Thingies"},
		{ID: "T7", Name: "Real Root"},
		{ID: "T8", ParentID: genutils.Ptr("T3"), Name: "Another Leaf"},
		{ID: "T9", ParentID: genutils.Ptr("T5"), Name: "Branch"},
		{ID: "TA", ParentID: genutils.Ptr("T9"), Name: "Leafy Leaf"},
	}

	nodes := BuildForest(tags)
	for _, node := range nodes {
		printNode(t, "", node)
	}

	expected := []Node{
		{tags[7], []Node{
			{tags[0], []Node{
				{tags[1], []Node{
					{tags[5], []Node{
						{tags[9], []Node{
							{tags[10], []Node{}},
						}},
					}},
				}},
				{tags[2], []Node{
					{tags[4], []Node{
						{tags[6], []Node{}},
					}},
				}},
			}},
		}},
		{tags[3], []Node{
			{tags[8], []Node{}},
		}},
	}

	assert.Equal(t, expected, nodes)
}