package config

import "errors"

var _ Validator = (*SiaConfig)(nil)
var _ Defaults = (*SiaConfig)(nil)

type SiaConfig struct {
	Key              string  `mapstructure:"key"`
	URL              string  `mapstructure:"url"`
	PriceHistoryDays uint64  `mapstructure:"price_history_days"`
	MaxUploadPrice   float64 `mapstructure:"max_upload_price"`
	MaxDownloadPrice float64 `mapstructure:"max_download_price"`
	MaxStoragePrice  float64 `mapstructure:"max_storage_price"`
	MaxContractPrice float64 `mapstructure:"max_contract_price"`
	MaxRPCPrice      float64 `mapstructure:"max_rpc_price"`
}

func (s SiaConfig) Defaults() map[string]interface{} {
	return map[string]interface{}{
		"max_rpc_price":      1,
		"price_history_days": 90,
	}
}

func (s SiaConfig) Validate() error {
	if s.Key == "" {
		return errors.New("core.storage.sia.key is required")
	}
	if s.URL == "" {
		return errors.New("core.storage.sia.url is required")
	}

	if s.MaxUploadPrice <= 0 {
		return errors.New("core.storage.sia.max_upload_price must be greater than 0")
	}

	if s.MaxDownloadPrice <= 0 {
		return errors.New("core.storage.sia.max_download_price must be greater than 0")
	}

	if s.MaxStoragePrice <= 0 {
		return errors.New("core.storage.sia.max_storage_price must be greater than 0")
	}

	if s.MaxContractPrice <= 0 {
		return errors.New("core.storage.sia.max_contract_price must be greater than 0")
	}

	if s.MaxRPCPrice <= 0 {
		return errors.New("core.storage.sia.max_rpc_price must be greater than 0")
	}

	return nil
}