// Copyright (c) 2026 Storm Dragon
// Authors: Storm Dragon, Angus Kola
// SPDX-License-Identifier: GPL-3.0-or-later

package tentaclewire

import (
	"encoding/json"
	"testing"
)

func TestRemoteBrailleDirections(t *testing.T) {
	size := RemoteBraille{Op: "size", Width: 40}
	route := RemoteBraille{Op: "gesture", Gesture: "route", Index: 3}
	cells := RemoteBraille{Op: "cells", Cells: []int{0, 255}}
	query := RemoteBraille{Op: "geometry"}
	answer := RemoteBraille{Op: "geometry", Width: 32}
	for _, test := range []struct {
		role    string
		request bool
		value   RemoteBraille
		want    bool
	}{
		{"controlled", true, size, true}, {"controlled", true, route, true}, {"controlled", true, cells, false},
		{"controlled", false, cells, true}, {"controlled", false, route, false},
		{"controller", true, cells, true}, {"controller", true, query, true}, {"controller", true, answer, false},
		{"controller", true, size, false}, {"controller", false, route, true}, {"controller", false, answer, true},
		{"controller", false, cells, false}, {"observer", true, size, false},
	} {
		if got := ValidRemoteBrailleFor(test.role, test.request, test.value); got != test.want {
			t.Fatalf("%s request=%t %+v = %t", test.role, test.request, test.value, got)
		}
	}
	for _, raw := range []string{
		`{"op":"cells","cells":[]}`, `{"op":"cells","cells":[-1]}`, `{"op":"size","width":4097}`,
		`{"op":"gesture","gesture":"route","index":4096}`, `{"op":"gesture","gesture":"script"}`,
		`{"op":"gesture","gesture":"pan-left","index":1}`, `{"width":3}`, `{"op":"size","width":3,"text":"x"}`,
	} {
		var value RemoteBraille
		if json.Unmarshal([]byte(raw), &value) == nil {
			t.Fatal("invalid Braille decoded", raw)
		}
	}
}