package host

import (
	"strconv"
	"strings"
	"testing"

	"github.com/carlosframework/platform/internal/hostbox"
	"github.com/carlosframework/platform/internal/hostguard"
)

// testReceiptNumeral is a hand-built receipt's directory_revision, taken the
// way every production receipt constructor takes it: from the fence target's
// persisted RosterRevision (roster binding N1). The receipt's binding is the
// target's DirectoryRevision.
func testReceiptNumeral(t hostguard.FenceTarget) string {
	return strconv.FormatUint(t.RosterRevision, 10)
}

// servingPriorBinding is equality with the fresh actor's binding, never an
// ordering: an older numeral stamp, a stamp from before a readmission, or
// any stamp against an actor without a binding is refused.
func TestServingPriorBindingIsEquality(t *testing.T) {
	b0, b1 := strings.Repeat("a", 64), strings.Repeat("b", 64)
	actor := hostbox.Actor{Revision: 9, Binding: b0}
	for _, c := range []struct {
		recorded string
		actor    hostbox.Actor
		want     bool
	}{
		{b0, actor, true},
		{b0, hostbox.Actor{Revision: 10, Binding: b0}, true},
		{b1, actor, false},
		{"9", actor, false},
		{"8", actor, false},
		{"1", actor, false},
		{"", actor, false},
		{"", hostbox.Actor{Revision: 9}, false},
		{"9", hostbox.Actor{Revision: 9}, false},
		{b0 + " ", actor, false},
	} {
		if got := servingPriorBinding(c.recorded, c.actor); got != c.want {
			t.Errorf("servingPriorBinding(%q, %+v) = %v, want %v", c.recorded, c.actor, got, c.want)
		}
	}
}