package iconv

import (
	"reflect"
	"strings"
)

// Bool converts `any` to bool.
// It returns false if `any` is: false, "", 0, "false", "off", "no", empty slice/map.
func Bool(any interface{}) bool {
	if any == nil {
		return false
	}
	switch value := any.(type) {
	case bool:
		return value
	case []byte:
		if _, ok := emptyStringMap[strings.ToLower(string(value))]; ok {
			return false
		}
		return true
	case string:
		if _, ok := emptyStringMap[strings.ToLower(value)]; ok {
			return false
		}
		return true
	default:
		rv := reflect.ValueOf(any)
		switch rv.Kind() {
		case reflect.Ptr:
			return !rv.IsNil()
		case reflect.Map:
			fallthrough
		case reflect.Array:
			fallthrough
		case reflect.Slice:
			return rv.Len() != 0
		case reflect.Struct:
			return true
		default:
			s := strings.ToLower(String(any))
			if _, ok := emptyStringMap[s]; ok {
				return false
			}
			return true
		}
	}
}