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

package interaction

import "testing"

func secretForm(text string) Form {
	return Form{Title: "Connection", Elements: []Element{
		{ID: "key", Label: "Channel key", Kind: Entry, Secret: true, Text: text, Required: true, MaxLength: 12},
		{ID: "connect", Label: "Connect", Kind: Button},
	}}
}

func TestSecretEntryEditingAndPresentation(t *testing.T) {
	session, err := NewSession(secretForm("猫é123"))
	if err != nil {
		t.Fatal(err)
	}
	if got := session.Opening(); got.Speech != "Connection. Channel key, password edit, 5 characters" || got.Braille != "Channel key, password edit: *****" || got.Cursor != 33 {
		t.Fatalf("unexpected masked opening: %+v", got)
	}
	steps := []struct {
		event                 Event
		speech, text, braille string
	}{
		{Event{Key: Home}, "Hidden character", "猫é123", "Channel key, password edit: *****"},
		{Event{Key: Right, Shift: true}, "Hidden character, selected", "猫é123", "Channel key, password edit: ***** (selected 1 characters)"},
		{Event{Text: "密"}, "Inserted 1 character", "密é123", "Channel key, password edit: *****"},
		{Event{Key: Delete}, "Deleted 1 character", "密123", "Channel key, password edit: ****"},
		{Event{Key: Backspace}, "Deleted 1 character", "123", "Channel key, password edit: ***"},
		{Event{Key: End}, "End of text", "123", "Channel key, password edit: ***"},
		{Event{Text: "a", Control: true}, "Selected all", "123", "Channel key, password edit: *** (selected 3 characters)"},
		{Event{Text: "c", Control: true}, "Copy and cut are unavailable for password fields", "123", "Channel key, password edit: *** (selected 3 characters)"},
		{Event{Text: "x", Control: true}, "Copy and cut are unavailable for password fields", "123", "Channel key, password edit: *** (selected 3 characters)"},
		{Event{Key: Backspace}, "Deleted 3 characters", "", "Channel key, password edit: "},
		{Event{Key: Enter}, "Channel key is required", "", "Channel key is required"},
	}
	for index, step := range steps {
		effect := session.Handle(step.event)
		if effect.Speech != step.speech || effect.Braille != step.braille || effect.Copy != nil || effect.Activated != "" || session.Values()["key"].Text != step.text {
			t.Fatalf("secret editing step %d failed", index)
		}
	}
	if !session.Handle(Event{Text: "v", Control: true}).Paste {
		t.Fatal("explicit paste not requested")
	}
	if effect := session.Insert("pasted猫"); effect.Speech != "Inserted 7 characters" || effect.Braille != "Channel key, password edit: *******" {
		t.Fatal("paste was not masked")
	}
	for _, text := range []string{"oversized content", "bad\ntext", string([]byte{0xff})} {
		session.Insert(text)
		if session.Values()["key"].Text != "pasted猫" {
			t.Fatal("invalid paste modified secret")
		}
	}
	session.Handle(Event{Key: Tab})
	if got := session.Handle(Event{Key: Tab, Shift: true}); got.Speech != "Channel key, password edit, 7 characters" {
		t.Fatal("returning to password did not mask it")
	}
	session.Handle(Event{Key: Tab})
	if effect := session.Handle(Event{Key: Enter}); effect.Activated != "connect" || session.Values()["key"].Text != "pasted猫" {
		t.Fatal("submission lost the actual secret")
	}
}

func TestSecretEntryCloseAndValidation(t *testing.T) {
	for _, escape := range []bool{false, true} {
		session, _ := NewSession(secretForm("fixture"))
		if escape {
			if !session.Handle(Event{Key: Escape}).Cancelled {
				t.Fatal("escape did not cancel")
			}
		} else {
			session.Close()
		}
		session.Close()
		if session.Values() != nil || session.elements[0].element.Text != "" || session.Presentation() != (Presentation{}) || session.Insert("more") != (Effect{}) {
			t.Fatal("closed editor retained or accepted a secret")
		}
	}
	for _, kind := range []Kind{List, CheckBox, Button} {
		form := secretForm("")
		form.Elements[0].Kind = kind
		if _, err := NewSession(form); err == nil {
			t.Fatal("secret accepted on non-entry")
		}
	}
	if err := ValidatePreferences(secretForm("fixture")); err == nil {
		t.Fatal("secret accepted in persistent preferences")
	}
}