package hostbox

import (
	"testing"

	"github.com/carlosframework/platform/internal/rootstate"
)

func TestPlan14InventoryIdentityBootBoundary(t *testing.T) {
	a := rootstate.FileIdentity{Device: 1, Inode: 2, Boot: "old", Filesystem: "fs", Handle: "handle", HandleType: 1, MountRoot: "/", MountPoint: "/data", MountNamespace: "ns", Mount: 3, UID: 1001, GID: 1001, Mode: 0040700}
	b := a
	b.Boot, b.Device, b.Mount, b.MountNamespace = "new", 4, 5, "new-ns"
	if !sameInventoryIdentity(a, b) {
		t.Fatal("persistent object refused after renumbering")
	}
	for _, field := range []string{"boot", "filesystem", "handle", "inode", "owner", "mode", "mount-root", "mount-point"} {
		c := b
		switch field {
		case "boot":
			c.Boot = a.Boot
			c.MountNamespace = a.MountNamespace
		case "filesystem":
			c.Filesystem = "other"
		case "handle":
			c.Handle = "other"
		case "inode":
			c.Inode++
		case "owner":
			c.UID++
		case "mode":
			c.Mode++
		case "mount-root":
			c.MountRoot = "/other"
		case "mount-point":
			c.MountPoint = "/other"
		}
		if sameInventoryIdentity(a, c) {
			t.Fatalf("accepted changed %s", field)
		}
	}
	a.Handle, b.Handle = "", ""
	if sameInventoryIdentity(a, b) {
		t.Fatal("cross-boot match without handle")
	}
	equalNumbers := a
	equalNumbers.Boot = "another-boot"
	if sameInventoryIdentity(a, equalNumbers) {
		t.Fatal("equal numeric identity crossed boots without evidence")
	}
	if !sameInventoryIdentity(a, a) {
		t.Fatal("same-boot unsupported filesystem refused")
	}
	if sameInventoryIdentity(rootstate.FileIdentity{}, rootstate.FileIdentity{}) {
		t.Fatal("missing identity accepted")
	}
}

func TestPlan14InventoryRequestBindsPersistentIdentity(t *testing.T) {
	q := JournalRequest{V: 3, Op: "inventory-write", RecordKey: "record", RecordETag: "etag", Inventory: StopInventory{Entries: []StopInventoryEntry{{Device: 1, Inode: 2, Identity: rootstate.FileIdentity{Boot: "old", Device: 1, Inode: 2}}}}}
	before := journalRequestHash(q)
	q.Inventory.Entries[0].Identity.Handle = "substituted"
	if before == journalRequestHash(q) {
		t.Fatal("inventory identity not covered by request digest")
	}
}