package monetix

import (
	"strings"
	"time"
)

const (
	DefaultRequestTimeout   = 15 * time.Second
	DefaultStatusSuccess    = "success"
	DefaultStatusProcessing = "processing"

	OutcomeSuccess    = "success"
	OutcomeProcessing = "processing"
	OutcomeDecline    = "decline"
)

// Config holds resolved settings for communicating with Monetix.
type Config struct {
	BaseURL                string
	ProjectID              int64
	SecretKey              string
	AllowedCurrencies      []string
	RequireCustomerAddress bool
	RequestTimeout         time.Duration
	StatusSuccess          string
	StatusProcessing       string
}

func DefaultConfig() Config {
	return Config{
		RequestTimeout:   DefaultRequestTimeout,
		StatusSuccess:    DefaultStatusSuccess,
		StatusProcessing: DefaultStatusProcessing,
	}
}

func (c Config) timeout() time.Duration {
	if c.RequestTimeout <= 0 {
		return DefaultRequestTimeout
	}
	return c.RequestTimeout
}

// Timeout exposes the configured HTTP timeout for external callers.
func (c Config) Timeout() time.Duration {
	return c.timeout()
}

func (c Config) CurrencyAllowed(code string) bool {
	code = strings.ToUpper(strings.TrimSpace(code))
	if code == "" {
		return false
	}
	if len(c.AllowedCurrencies) == 0 {
		return true
	}
	for _, allowed := range c.AllowedCurrencies {
		if strings.EqualFold(strings.TrimSpace(allowed), code) {
			return true
		}
	}
	return false
}

func (c Config) SuccessStatus() string {
	if strings.TrimSpace(c.StatusSuccess) == "" {
		return DefaultStatusSuccess
	}
	return strings.ToLower(strings.TrimSpace(c.StatusSuccess))
}

func (c Config) ProcessingStatus() string {
	if strings.TrimSpace(c.StatusProcessing) == "" {
		return DefaultStatusProcessing
	}
	return strings.ToLower(strings.TrimSpace(c.StatusProcessing))
}