package snmp

import (
	"testing"

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

func TestTableBuildWalk(t *testing.T) {
	tbl := Table{
		Name:       "mytable",
		IndexAsTag: true,
		Fields: []Field{
			{
				Name:  "myfield1",
				Oid:   ".1.0.0.0.1.1",
				IsTag: true,
			},
			{
				Name: "myfield2",
				Oid:  ".1.0.0.0.1.2",
			},
			{
				Name:       "myfield3",
				Oid:        ".1.0.0.0.1.3",
				Conversion: "float",
			},
			{
				Name:           "myfield4",
				Oid:            ".1.0.0.2.1.5",
				OidIndexSuffix: ".9.9",
			},
			{
				Name:           "myfield5",
				Oid:            ".1.0.0.2.1.5",
				OidIndexLength: 1,
			},
		},
	}

	tb, err := tbl.Build(tsc, true)
	require.NoError(t, err)
	require.Equal(t, "mytable", tb.Name)
	rtr1 := RTableRow{
		Tags: map[string]string{
			"myfield1": "foo",
			"index":    "0",
		},
		Fields: map[string]interface{}{
			"myfield2": 1,
			"myfield3": float64(0.123),
			"myfield4": 11,
			"myfield5": 11,
		},
	}
	rtr2 := RTableRow{
		Tags: map[string]string{
			"myfield1": "bar",
			"index":    "1",
		},
		Fields: map[string]interface{}{
			"myfield2": 2,
			"myfield3": float64(0.456),
			"myfield4": 22,
			"myfield5": 22,
		},
	}
	rtr3 := RTableRow{
		Tags: map[string]string{
			"index": "2",
		},
		Fields: map[string]interface{}{
			"myfield2": 0,
			"myfield3": float64(0.0),
		},
	}
	rtr4 := RTableRow{
		Tags: map[string]string{
			"index": "3",
		},
		Fields: map[string]interface{}{
			"myfield3": float64(9.999),
		},
	}
	require.Len(t, tb.Rows, 4)
	require.Contains(t, tb.Rows, rtr1)
	require.Contains(t, tb.Rows, rtr2)
	require.Contains(t, tb.Rows, rtr3)
	require.Contains(t, tb.Rows, rtr4)
}

func TestTableJoin_walk(t *testing.T) {
	tbl := Table{
		Name:       "mytable",
		IndexAsTag: true,
		Fields: []Field{
			{
				Name:  "myfield1",
				Oid:   ".1.0.0.3.1.1",
				IsTag: true,
			},
			{
				Name: "myfield2",
				Oid:  ".1.0.0.3.1.2",
			},
			{
				Name:                "myfield3",
				Oid:                 ".1.0.0.3.1.3",
				SecondaryIndexTable: true,
			},
			{
				Name:              "myfield4",
				Oid:               ".1.0.0.0.1.1",
				SecondaryIndexUse: true,
				IsTag:             true,
			},
			{
				Name:              "myfield5",
				Oid:               ".1.0.0.0.1.2",
				SecondaryIndexUse: true,
			},
		},
	}

	tb, err := tbl.Build(tsc, true)
	require.NoError(t, err)

	require.Equal(t, "mytable", tb.Name)
	rtr1 := RTableRow{
		Tags: map[string]string{
			"myfield1": "instance",
			"myfield4": "bar",
			"index":    "10",
		},
		Fields: map[string]interface{}{
			"myfield2": 10,
			"myfield3": 1,
			"myfield5": 2,
		},
	}
	rtr2 := RTableRow{
		Tags: map[string]string{
			"myfield1": "instance2",
			"index":    "11",
		},
		Fields: map[string]interface{}{
			"myfield2": 20,
			"myfield3": 2,
			"myfield5": 0,
		},
	}
	rtr3 := RTableRow{
		Tags: map[string]string{
			"myfield1": "instance3",
			"index":    "12",
		},
		Fields: map[string]interface{}{
			"myfield2": 20,
			"myfield3": 3,
		},
	}
	require.Len(t, tb.Rows, 3)
	require.Contains(t, tb.Rows, rtr1)
	require.Contains(t, tb.Rows, rtr2)
	require.Contains(t, tb.Rows, rtr3)
}

func TestTableOuterJoin_walk(t *testing.T) {
	tbl := Table{
		Name:       "mytable",
		IndexAsTag: true,
		Fields: []Field{
			{
				Name:  "myfield1",
				Oid:   ".1.0.0.3.1.1",
				IsTag: true,
			},
			{
				Name: "myfield2",
				Oid:  ".1.0.0.3.1.2",
			},
			{
				Name:                "myfield3",
				Oid:                 ".1.0.0.3.1.3",
				SecondaryIndexTable: true,
				SecondaryOuterJoin:  true,
			},
			{
				Name:              "myfield4",
				Oid:               ".1.0.0.0.1.1",
				SecondaryIndexUse: true,
				IsTag:             true,
			},
			{
				Name:              "myfield5",
				Oid:               ".1.0.0.0.1.2",
				SecondaryIndexUse: true,
			},
		},
	}

	tb, err := tbl.Build(tsc, true)
	require.NoError(t, err)

	require.Equal(t, "mytable", tb.Name)
	rtr1 := RTableRow{
		Tags: map[string]string{
			"myfield1": "instance",
			"myfield4": "bar",
			"index":    "10",
		},
		Fields: map[string]interface{}{
			"myfield2": 10,
			"myfield3": 1,
			"myfield5": 2,
		},
	}
	rtr2 := RTableRow{
		Tags: map[string]string{
			"myfield1": "instance2",
			"index":    "11",
		},
		Fields: map[string]interface{}{
			"myfield2": 20,
			"myfield3": 2,
			"myfield5": 0,
		},
	}
	rtr3 := RTableRow{
		Tags: map[string]string{
			"myfield1": "instance3",
			"index":    "12",
		},
		Fields: map[string]interface{}{
			"myfield2": 20,
			"myfield3": 3,
		},
	}
	rtr4 := RTableRow{
		Tags: map[string]string{
			"index":    "Secondary.0",
			"myfield4": "foo",
		},
		Fields: map[string]interface{}{
			"myfield5": 1,
		},
	}
	require.Len(t, tb.Rows, 4)
	require.Contains(t, tb.Rows, rtr1)
	require.Contains(t, tb.Rows, rtr2)
	require.Contains(t, tb.Rows, rtr3)
	require.Contains(t, tb.Rows, rtr4)
}

func TestTableJoinNoIndexAsTag_walk(t *testing.T) {
	tbl := Table{
		Name:       "mytable",
		IndexAsTag: false,
		Fields: []Field{
			{
				Name:  "myfield1",
				Oid:   ".1.0.0.3.1.1",
				IsTag: true,
			},
			{
				Name: "myfield2",
				Oid:  ".1.0.0.3.1.2",
			},
			{
				Name:                "myfield3",
				Oid:                 ".1.0.0.3.1.3",
				SecondaryIndexTable: true,
			},
			{
				Name:              "myfield4",
				Oid:               ".1.0.0.0.1.1",
				SecondaryIndexUse: true,
				IsTag:             true,
			},
			{
				Name:              "myfield5",
				Oid:               ".1.0.0.0.1.2",
				SecondaryIndexUse: true,
			},
		},
	}

	tb, err := tbl.Build(tsc, true)
	require.NoError(t, err)

	require.Equal(t, "mytable", tb.Name)
	rtr1 := RTableRow{
		Tags: map[string]string{
			"myfield1": "instance",
			"myfield4": "bar",
			// "index":    "10",
		},
		Fields: map[string]interface{}{
			"myfield2": 10,
			"myfield3": 1,
			"myfield5": 2,
		},
	}
	rtr2 := RTableRow{
		Tags: map[string]string{
			"myfield1": "instance2",
			// "index":    "11",
		},
		Fields: map[string]interface{}{
			"myfield2": 20,
			"myfield3": 2,
			"myfield5": 0,
		},
	}
	rtr3 := RTableRow{
		Tags: map[string]string{
			"myfield1": "instance3",
			// "index":    "12",
		},
		Fields: map[string]interface{}{
			"myfield2": 20,
			"myfield3": 3,
		},
	}
	require.Len(t, tb.Rows, 3)
	require.Contains(t, tb.Rows, rtr1)
	require.Contains(t, tb.Rows, rtr2)
	require.Contains(t, tb.Rows, rtr3)
}

func TestTableBuildDuplicateIndex(t *testing.T) {
	tbl := Table{
		Name:       "mytable",
		IndexAsTag: true,
		Fields: []Field{
			{
				Name:           "myfield1",
				Oid:            ".1.0.0.0.2.1",
				OidIndexLength: 1, // Truncates index to first component, which will result in duplicates.
			},
			{
				Name: "myfield2",
				Oid:  ".1.0.0.0.2.2",
			},
		},
	}

	tb, err := tbl.Build(tsc, true)
	require.NoError(t, err)
	require.Len(t, tb.Rows, 1)
	require.Equal(t, "0", tb.Rows[0].Tags["index"])
	require.Contains(t, tb.Rows[0].Fields, "myfield1")
	require.Contains(t, tb.Rows[0].Fields, "myfield2")
}