generateWeatherOutfitPrompt static method

Implementation

static Future<String> generateWeatherOutfitPrompt({
  String city = '北京',
}) async {
  final today = await getCurrentWeather(city: city);
  final tomorrow = await getTomorrowWeather(city: city);

  if (today == null && tomorrow == null) {
    return '';
  }

  StringBuffer prompt = StringBuffer();
  prompt.writeln('\n【天气信息】');

  if (today != null) {
    prompt.writeln('今天：${today.weatherEmoji} ${today.condition}，温度${today.temperature}°C');
    prompt.writeln(today.dressingSuggestion);
    if (today.needsUmbrella) {
      prompt.writeln('⚠️ 记得带伞');
    }
  }

  if (tomorrow != null) {
    prompt.writeln('\n明天：${tomorrow.weatherEmoji} ${tomorrow.condition}，温度${tomorrow.minTemp}~${tomorrow.maxTemp}°C');
    if (tomorrow.temperature - (today?.temperature ?? 20) > 5) {
      prompt.writeln('⚠️ 明天升温，可以穿得清凉一些');
    } else if ((today?.temperature ?? 20) - tomorrow.temperature > 5) {
      prompt.writeln('⚠️ 明天降温，注意保暖');
    }
    if (tomorrow.needsUmbrella) {
      prompt.writeln('⚠️ 明天有雨，建议带伞');
    }
  }

  prompt.writeln('\n请根据天气情况，从用户虚拟衣橱中推荐合适的搭配。');

  return prompt.toString();
}