package cidr

import (
	"fmt"
	"testing"

	"github.com/pkg/errors"
)

func TestMatchAny(t *testing.T) {
	type testCase struct {
		RemoteHostPort  string
		AuthorizedCIDRs []string
		ExpectedResult  bool
		ExpectedError   error
	}

	testCases := []testCase{
		{
			RemoteHostPort: "192.168.1.15",
			AuthorizedCIDRs: []string{
				"192.168.1.0/24",
			},
			ExpectedResult: true,
		},
		{
			RemoteHostPort: "192.168.1.15:43349",
			AuthorizedCIDRs: []string{
				"192.168.1.0/24",
			},
			ExpectedResult: true,
		},
		{
			RemoteHostPort: "192.168.1.15:43349",
			AuthorizedCIDRs: []string{
				"192.168.1.5/32",
			},
			ExpectedResult: false,
		},
		{
			RemoteHostPort: "192.168.1.15:43349",
			AuthorizedCIDRs: []string{
				"192.168.1.5/32",
				"192.168.1.0/24",
			},
			ExpectedResult: true,
		},
		{
			RemoteHostPort: "192.168.1.15:43349",
			AuthorizedCIDRs: []string{
				"192.168.1.5/32",
				"192.168.1.6/32",
				"192.168.1.7/32",
			},
			ExpectedResult: false,
		},
		{
			RemoteHostPort:  "[2001:0db8:0000:85a3:0000:0000:ac1f:8001]:8001",
			AuthorizedCIDRs: []string{"2000::/3"},
			ExpectedResult:  true,
		},
	}

	for idx, tc := range testCases {
		t.Run(fmt.Sprintf("Case #%d", idx), func(t *testing.T) {
			result, err := MatchAny(tc.RemoteHostPort, tc.AuthorizedCIDRs...)

			if g, e := result, tc.ExpectedResult; e != g {
				t.Errorf("result: expected '%v', got '%v'", e, g)
			}

			if e, g := tc.ExpectedError, err; !errors.Is(err, tc.ExpectedError) {
				t.Errorf("err: expected '%v', got '%v'", e, g)
			}
		})
	}
}