package utils

import (
	"os"
	"strconv"
)

// Gets value from environment or uses default value
func GetEnvOrDefault[T string | int | bool | float64](key string, defaultValue T) T {
    value, exists := os.LookupEnv(key)
    if !exists {
        return defaultValue
    }

    // Handle conversion based on the type of defaultValue
    switch any(defaultValue).(type) {
    case string:
        return any(value).(T)
    case int:
        if intValue, err := strconv.Atoi(value); err == nil {
            return any(intValue).(T)
        }
    case bool:
        if boolValue, err := strconv.ParseBool(value); err == nil {
            return any(boolValue).(T)
        }
    case float64:
        if floatValue, err := strconv.ParseFloat(value, 64); err == nil {
            return any(floatValue).(T)
        }
    }
    return defaultValue // return default value if conversion fails
}