package utils

import (
	"fmt"
	"strings"
	"unicode"
)

func ConvertToString(v interface{}) string {
	if v == nil {
		return ""
	}
	switch val := v.(type) {
	case string:
		return val
	case int, int8, int16, int32, int64:
		return fmt.Sprintf("%d", val)
	case float32, float64:
		return fmt.Sprintf("%.0f", val)
	default:
		return fmt.Sprintf("%v", val)
	}
}

func ConvertToStringSlice(v []interface{}) []interface{} {
	if v == nil {
		return []interface{}{}
	}
	result := make([]interface{}, 0, len(v))
	for _, item := range v {
		result = append(result, ConvertToString(item))
	}
	return result
}

func CleanText(text string) string {
	var builder strings.Builder
	for _, r := range text {
		if unicode.IsPrint(r) || r == '\n' || r == '\r' || r == '\t' {
			builder.WriteRune(r)
		} else {
			builder.WriteRune(' ')
		}
	}
	
	result := builder.String()
	result = strings.ReplaceAll(result, "\r\n", "\n")
	result = strings.ReplaceAll(result, "\r", "\n")
	
	for strings.Contains(result, "\n\n\n") {
		result = strings.ReplaceAll(result, "\n\n\n", "\n\n")
	}
	
	for strings.Contains(result, "  ") {
		result = strings.ReplaceAll(result, "  ", " ")
	}
	
	return strings.TrimSpace(result)
}