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

package speech

import (
	"context"
	"testing"
	"time"
)

func TestReadDefaults(t *testing.T) {
	path, server := newSettingsServer(t, func(command string) string {
		switch command {
		case "GET RATE":
			return "200-20\r\n200 OK\r\n"
		case "GET PITCH":
			return "200--10\r\n200 OK\r\n"
		case "GET VOLUME":
			return "200-100\r\n200 OK\r\n"
		}
		return ""
	})
	defaults, err := ReadDefaults(t.Context(), path)
	if err != nil || defaults.Rate == nil || *defaults.Rate != 20 ||
		defaults.Pitch == nil || *defaults.Pitch != -10 || defaults.Volume == nil || *defaults.Volume != 100 {
		t.Fatalf("defaults=%+v, err=%v", defaults, err)
	}
	for _, command := range []string{"SET SELF RATE 20", "SET SELF PITCH -10", "SET SELF VOLUME 100", "SPEAK"} {
		if server.saw(1, command) {
			t.Fatalf("query changed speech: %s", command)
		}
	}
}

func TestReadDefaultsRejectsUnsupportedAndInvalidValues(t *testing.T) {
	for _, response := range []string{"500 UNSUPPORTED\r\n", "200 OK\r\n", "200-invalid\r\n200 OK\r\n",
		"200-101\r\n200 OK\r\n", "200-0\r\n200-1\r\n200 OK\r\n"} {
		t.Run(response, func(t *testing.T) {
			path, _ := newSettingsServer(t, func(string) string { return response })
			defaults, err := ReadDefaults(t.Context(), path)
			if err != nil || defaults.Rate != nil || defaults.Pitch != nil || defaults.Volume != nil {
				t.Fatalf("invalid defaults=%+v, err=%v", defaults, err)
			}
		})
	}
}

func TestReadDefaultsRetainsPartialValuesAndHonorsDeadline(t *testing.T) {
	path, _ := newSettingsServer(t, func(command string) string {
		if command == "GET RATE" {
			return "200-0\r\n200 OK\r\n"
		}
		if command == "GET PITCH" {
			return "200-unfinished\r\n"
		}
		return ""
	})
	ctx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond)
	defer cancel()
	defaults, err := ReadDefaults(ctx, path)
	if err == nil || defaults.Rate == nil || *defaults.Rate != 0 || defaults.Pitch != nil || defaults.Volume != nil {
		t.Fatalf("partial defaults=%+v, err=%v", defaults, err)
	}
}