package tentaclewire

import (
	"encoding/json"
	"git.stormux.org/storm/cthulhu/internal/interaction"
	"strings"
	"testing"
)

func TestInteractionContract(t *testing.T) {
	form := &interaction.Form{Title: "Wormhole menu", Elements: []interaction.Element{{ID: "choices", Label: "Options", Kind: interaction.List, Items: []interaction.Item{{ID: "send", Label: "Send focused item"}}}}}
	for _, value := range []Interaction{
		{Form: form, Next: "choice"}, {Form: form, Next: "choice", Poll: "status"}, {Source: "focus", Next: "send"}, {Source: "clipboard", Next: "send"},
		{Presentation: Presentation{Speech: "Ready"}, Done: true}, {Done: true}, {},
	} {
		data, _ := json.Marshal(value)
		if _, err := DecodeInteraction(data); err != nil {
			t.Fatalf("%s: %v", data, err)
		}
	}
	for _, raw := range []string{`null`, ` null `, `{"form":null}`, `{"clipboard":null}`, `{"unknown":true}`, `{"source":"desktop","next":"send"}`, `{"source":"focus"}`, `{"next":"send"}`, `{"poll":"status"}`, `{"speech":"bad\u0000"}`, `{"uninterruptible":true}`} {
		if _, err := DecodeInteraction([]byte(raw)); err == nil {
			t.Fatal("accepted", raw)
		}
	}
	for _, value := range []Interaction{{Form: form}, {Form: form, Next: "choice", Done: true}, {Form: form, Next: "choice", Source: "focus"}} {
		data, _ := json.Marshal(value)
		if _, err := DecodeInteraction(data); err == nil {
			t.Fatal("accepted", string(data))
		}
	}
	copy := strings.Repeat("x", MaxPresentationBytes+1)
	data, _ := json.Marshal(Interaction{Clipboard: &copy})
	if _, err := DecodeInteraction(data); err == nil {
		t.Fatal("accepted oversized clipboard write")
	}
	form.Title = "Bad\x1btitle"
	data, _ = json.Marshal(Interaction{Form: form, Next: "choice"})
	if _, err := DecodeInteraction(data); err == nil {
		t.Fatal("accepted control in title")
	}
}
func TestInteractionGrantsRemainExplicit(t *testing.T) {
	for _, apis := range [][]string{{"commands"}, {"commands", "presentation"}, {"commands", "presentation", "interaction"}} {
		if !ValidAPIs(apis, apis) {
			t.Fatal("rejected", apis)
		}
	}
	for _, apis := range [][]string{{"commands", "interaction"}, {"commands", "presentation", "unknown"}, {"commands", "interaction", "presentation"}} {
		if ValidAPIs(apis, apis) {
			t.Fatal("accepted", apis)
		}
	}
	if ValidAPIs([]string{"commands", "presentation", "interaction"}, []string{"commands", "presentation"}) {
		t.Fatal("missing grant accepted")
	}
}