package catalogue

import "testing"

// The vault's provision is one the controller itself dereferences — every minted credential is
// sealed with it — so it is delivered by a seat of the mesh's own, and a second provider is a second
// claimant refused by name rather than a candidate for a pin (novox/hq ADR 0161, issue 106).
func TestTheVaultsSeatDeliversSecret(t *testing.T) {
	seat, known := SeatNamed("mesh-vault")
	if !known {
		t.Fatal("mesh-vault is not in the mesh's own set")
	}
	if seat.Scope != ScopeMesh || seat.Delivers != "secret" {
		t.Fatalf("mesh-vault is %s-scoped and delivers %q; one per mesh, delivering secret", seat.Scope, seat.Delivers)
	}
	vault := Manifest{Module: "mesh-vault", Provides: []Offer{{Name: "secret", Scope: ScopeMesh}},
		Claims: []Claim{{Name: "mesh-vault", Scope: ScopeMesh}}}
	if err := CanHold(vault, seat); err != nil {
		t.Fatalf("the vault, claiming its seat and providing secret, was refused: %v", err)
	}
	another := Manifest{Module: "other-vault", Provides: []Offer{{Name: "secret", Scope: ScopeMesh}}}
	if err := CanHold(another, seat); err == nil {
		t.Fatal("a provider of secret that does not claim the seat was allowed to hold it")
	}
}

// The vault answers `get` on request and reply (novox/hq ADR 0349 §11, issue 674): the seat promises the
// verb, so a holder serving it is accepted — and, optional while the vault that runs is the TypeScript one,
// so is a holder that does not yet.
func TestTheVaultsSeatPromisesGet(t *testing.T) {
	seat, _ := SeatNamed("mesh-vault")
	var get *Verb
	for i := range seat.Serves {
		if seat.Serves[i].Name == "get" {
			get = &seat.Serves[i]
		}
	}
	if get == nil {
		t.Fatal("the vault's seat does not promise get")
	}
	for _, arg := range []string{"name", "public_key"} {
		if props, _ := get.Input["properties"].(map[string]any); props[arg] == nil {
			t.Errorf("get takes no %s", arg)
		}
	}
	serving := Manifest{Module: "mesh-vault", Provides: []Offer{{Name: "secret", Scope: ScopeMesh}},
		Claims: []Claim{{Name: "mesh-vault", Scope: ScopeMesh, Serves: []string{"get"}}}}
	if err := CanHold(serving, seat); err != nil {
		t.Fatalf("the vault serving get was refused: %v", err)
	}
	notYet := Manifest{Module: "mesh-vault", Provides: []Offer{{Name: "secret", Scope: ScopeMesh}},
		Claims: []Claim{{Name: "mesh-vault", Scope: ScopeMesh}}}
	if err := CanHold(notYet, seat); err != nil {
		t.Fatalf("the vault that does not serve get yet was refused: %v", err)
	}
}

// The vault takes values in and rotates them (novox/hq ADR 0349 clauses 8 to 10, issue 675): the seat promises
// accept, secret-ask, issued and rotate, each with the arguments of its steps; a holder serving them is accepted,
// and, optional while the vault that runs does not, so is one that does not yet.
func TestTheVaultsSeatPromisesItsIntakeVerbs(t *testing.T) {
	seat, _ := SeatNamed("mesh-vault")
	want := map[string][]string{
		"accept":     {"node", "module", "name", "provider", "provision", "by", "call", "sealed"},
		"secret-ask": {"node", "module", "name", "desk", "asked_by", "outcome", "call", "sealed"},
		"issued":     {"provision", "provider", "module", "call", "sealed", "holders"},
		"rotate":     {"node", "module", "name", "provider", "provision", "by"},
	}
	for name, args := range want {
		var verb *Verb
		for i := range seat.Serves {
			if seat.Serves[i].Name == name {
				verb = &seat.Serves[i]
			}
		}
		if verb == nil {
			t.Errorf("the vault's seat does not promise %s", name)
			continue
		}
		if !verb.Optional {
			t.Errorf("%s is not optional while the vault that runs does not serve it", name)
		}
		props, _ := verb.Input["properties"].(map[string]any)
		for _, arg := range args {
			if props[arg] == nil {
				t.Errorf("%s takes no %s", name, arg)
			}
		}
		if props["value"] != nil {
			t.Errorf("%s takes a value in the clear", name)
		}
	}
	// The holders `issued` names (issue 749) are a list of {node, module}.
	for _, verb := range seat.Serves {
		if verb.Name != "issued" {
			continue
		}
		props, _ := verb.Input["properties"].(map[string]any)
		holders, _ := props["holders"].(map[string]any)
		items, _ := holders["items"].(map[string]any)
		each, _ := items["properties"].(map[string]any)
		if holders["type"] != "array" || each["node"] == nil || each["module"] == nil {
			t.Errorf("issued's holders are %v", holders)
		}
	}
	serving := Manifest{Module: "mesh-vault", Provides: []Offer{{Name: "secret", Scope: ScopeMesh}},
		Claims: []Claim{{Name: "mesh-vault", Scope: ScopeMesh,
			Serves: []string{"get", "accept", "secret-ask", "issued", "rotate"}}}}
	if err := CanHold(serving, seat); err != nil {
		t.Fatalf("the vault serving its verbs was refused: %v", err)
	}
}

// The move of the controller's secrets into the vault (design 57's V3, issue 676): the seat promises move-in, which a
// machine's node-engine asks in two steps with the row, its origin and generation, then the value sealed to the
// call's key and a key to read back to; and move-asks, the controller's record of asks copied as it is. Optional
// while the vault that runs does not serve them; never a value in the clear.
func TestTheVaultsSeatPromisesTheMove(t *testing.T) {
	seat, _ := SeatNamed("mesh-vault")
	want := map[string][]string{
		"move-in": {"node", "module", "name", "provider", "provision", "consumer", "consumer_module", "local", "origin",
			"generation", "made_at", "call", "sealed", "read_back_to"},
		"move-asks": {"asks"},
	}
	for name, args := range want {
		var verb *Verb
		for i := range seat.Serves {
			if seat.Serves[i].Name == name {
				verb = &seat.Serves[i]
			}
		}
		if verb == nil {
			t.Errorf("the vault's seat does not promise %s", name)
			continue
		}
		if !verb.Optional {
			t.Errorf("%s is not optional while the vault that runs does not serve it", name)
		}
		props, _ := verb.Input["properties"].(map[string]any)
		for _, arg := range args {
			if props[arg] == nil {
				t.Errorf("%s takes no %s", name, arg)
			}
		}
		if props["value"] != nil {
			t.Errorf("%s takes a value in the clear", name)
		}
	}
	serving := Manifest{Module: "mesh-vault", Provides: []Offer{{Name: "secret", Scope: ScopeMesh}},
		Claims: []Claim{{Name: "mesh-vault", Scope: ScopeMesh,
			Serves: []string{"get", "accept", "secret-ask", "issued", "rotate", "move-in", "move-asks"}}}}
	if err := CanHold(serving, seat); err != nil {
		t.Fatalf("the vault serving the move was refused: %v", err)
	}
}

// Issue 786: the vault's seat promises node-key, optional while the vault that runs does not serve it.
func TestTheVaultsSeatPromisesNodeKey(t *testing.T) {
	seat, _ := SeatNamed("mesh-vault")
	for _, v := range seat.Serves {
		if v.Name != "node-key" {
			continue
		}
		props, _ := v.Input["properties"].(map[string]any)
		if !v.Optional || props["key"] == nil {
			t.Errorf("node-key: optional %v, key %v", v.Optional, props["key"])
		}
		return
	}
	t.Error("the vault's seat does not promise node-key")
}