// 替换{}内的变量
export function replaceVariables(str: string, variables: Recordable): string {
  const pattern = /\{([^}]+)\}/g; // 匹配 {} 中的内容
  return str.replace(pattern, (match, variable) => {
    if (variable in variables) {
      return variables[variable];
    }
    return match;
  });
}

// 转换接口options为label，value形式
export const resolveOptions = (
  options: Arrayable = [],
  config?: { labelField?: string; valueField?: string },
): LabelValueOptions => {
  const { labelField = 'key', valueField = 'value' } = config ?? {};
  return options.map((option) => ({ label: option[labelField], value: option[valueField] }));
};

export const t = (key: string) => key;

export function imageExists(imgUrl: string) {
  return new Promise((resolve) => {
    const img = new Image();
    img.onload = () => {
      resolve(true);
    };
    img.onerror = () => {
      resolve(false);
    };
    img.src = imgUrl;
  });
}

export function getFileExtension(filename: string, splitString: '/' | '.' = '/'): string {
  const dotIndex = filename.lastIndexOf(splitString);
  if (dotIndex > -1) {
    return filename.substring(dotIndex + 1);
  }
  return '';
}