//go:build linux

package host

import (
	"errors"
	"testing"

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

func TestPlan14ExecutionPreinstallationSourceGap(t *testing.T) {
	t.Parallel()
	for _, phase := range []string{hostclaim.PhaseStarting, hostclaim.PhaseReleasing, hostclaim.PhasePinning} {
		t.Run(phase, func(t *testing.T) {
			b := newParticipationBox(t)
			o := b.update(func(c *hostclaim.Claim) error {
				c.Op.Phase = phase
				c.Op.Exec = "src"
				if phase == hostclaim.PhasePinning {
					c.Op.Exec = "none"
				}
				return nil
			})
			root := b.guard
			root.Root = hostguard.NewRootAuthority(&rollbackDisk{dir: t.TempDir()})
			if _, err := root.Capture(o.Host); !errors.Is(err, hostguard.ErrNoRecord) {
				t.Fatalf("target unexpectedly has a root installation: %v", err)
			}
			if err := rootFirstInstallation(o.Claim, b.actor); err == nil {
				t.Fatal("first registration admitted before installation")
			}
			effects := RelocationEffects{Participation: b.p.Acknowledged}
			ack, err := effects.Acknowledge(t.Context(), o)
			if err != nil {
				t.Fatal("existing participation cannot acknowledge before installation:", err)
			}
			if ack.Op != o.Claim.Op.ID || ack.Enrollment != b.actor.Enrollment || ack.LeaseETag == "" {
				t.Fatalf("missing execution acknowledgement: %+v", ack)
			}
			if _, err := root.Capture(o.Host); !errors.Is(err, hostguard.ErrNoRecord) {
				t.Fatalf("participation fabricated a root installation: %v", err)
			}
		})
	}
}