package common

import (
	"math"
	"testing"

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

func TestParseResourcePoolID(t *testing.T) {
	t.Parallel()

	tests := []struct {
		name    string
		value   string
		want    uint64
		wantErr bool
	}{
		{name: "decimal", value: "42", want: 42},
		{name: "maximum", value: "18446744073709551615", want: math.MaxUint64},
		{name: "leading zero", value: "0042", want: 42},
		{name: "empty", wantErr: true},
		{name: "zero", value: "0", wantErr: true},
		{name: "negative", value: "-1", wantErr: true},
		{name: "positive sign", value: "+1", wantErr: true},
		{name: "whitespace", value: " 1", wantErr: true},
		{name: "resource name", value: "resourcePools/1", wantErr: true},
		{name: "alternate prefix", value: "resource_pools/1", wantErr: true},
		{name: "overflow", value: "18446744073709551616", wantErr: true},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			t.Parallel()

			got, err := ParseResourcePoolID(tt.value)
			if tt.wantErr {
				require.Error(t, err)
				return
			}
			require.NoError(t, err)
			require.Equal(t, tt.want, got)
		})
	}
}