export function objectToKeyValueArray<T extends Record<string, any>>(obj: T) {
   return Object.keys(obj).map((key) => ({ key, value: obj[key as keyof T] }));
}

export function ucFirst(str: string): string {
   if (!str || str.length === 0) return str;
   return str.charAt(0).toUpperCase() + str.slice(1);
}

export function ucFirstAll(str: string, split: string = " "): string {
   if (!str || str.length === 0) return str;
   return str
      .split(split)
      .map((s) => s.charAt(0).toUpperCase() + s.slice(1))
      .join(split);
}

export function randomString(length: number, includeSpecial = false): string {
   const base = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
   const special = "!@#$%^&*()_+{}:\"<>?|[];',./`~";
   const chars = base + (includeSpecial ? special : "");
   let result = "";
   for (let i = 0; i < length; i++) {
      result += chars[Math.floor(Math.random() * chars.length)];
   }
   return result;
}

/**
 * Convert a string from snake_case to PascalCase with spaces
 * Example: `snake_to_pascal` -> `Snake To Pascal`
 *
 * @param str
 */
export function snakeToPascalWithSpaces(str: string): string {
   if (!str || str.length === 0) return str;

   return str
      .split("_")
      .map((word) => word.charAt(0).toUpperCase() + word.slice(1).toLowerCase())
      .join(" ");
}

export function pascalToKebab(pascalStr: string): string {
   return pascalStr.replace(/([a-z0-9])([A-Z])/g, "$1-$2").toLowerCase();
}

type StringCaseType =
   | "snake_case"
   | "PascalCase"
   | "camelCase"
   | "kebab-case"
   | "SCREAMING_SNAKE_CASE"
   | "unknown";
export function detectCase(input: string): StringCaseType {
   if (/^[a-z]+(_[a-z]+)*$/.test(input)) {
      return "snake_case";
   } else if (/^[A-Z][a-zA-Z]*$/.test(input)) {
      return "PascalCase";
   } else if (/^[a-z][a-zA-Z]*$/.test(input)) {
      return "camelCase";
   } else if (/^[a-z]+(-[a-z]+)*$/.test(input)) {
      return "kebab-case";
   } else if (/^[A-Z]+(_[A-Z]+)*$/.test(input)) {
      return "SCREAMING_SNAKE_CASE";
   } else {
      return "unknown";
   }
}
export function identifierToHumanReadable(str: string) {
   const _case = detectCase(str);
   switch (_case) {
      case "snake_case":
         return snakeToPascalWithSpaces(str);
      case "PascalCase":
         return kebabToPascalWithSpaces(pascalToKebab(str));
      case "camelCase":
         return ucFirst(kebabToPascalWithSpaces(pascalToKebab(str)));
      case "kebab-case":
         return kebabToPascalWithSpaces(str);
      case "SCREAMING_SNAKE_CASE":
         return snakeToPascalWithSpaces(str.toLowerCase());
      case "unknown":
         return str;
   }
}

export function kebabToPascalWithSpaces(str: string): string {
   return str.split("-").map(ucFirst).join(" ");
}

export function ucFirstAllSnakeToPascalWithSpaces(str: string, split: string = " "): string {
   return ucFirstAll(snakeToPascalWithSpaces(str), split);
}

/**
 * Replace simple mustache like {placeholders} in a string
 *
 * @param str
 * @param vars
 */
export function replaceSimplePlaceholders(str: string, vars: Record<string, any>): string {
   return str.replace(/\{\$(\w+)\}/g, (match, key) => {
      return key in vars ? vars[key] : match;
   });
}