package gateway

import (
	"strings"

	"github.com/tech/sendico/gateway/chain/internal/keymanager"
	"github.com/tech/sendico/gateway/chain/internal/service/gateway/rpcclient"
	"github.com/tech/sendico/gateway/chain/internal/service/gateway/shared"
	clockpkg "github.com/tech/sendico/pkg/clock"
)

// Option configures the Service.
type Option func(*Service)

// WithKeyManager configures the service key manager.
func WithKeyManager(manager keymanager.Manager) Option {
	return func(s *Service) {
		s.keyManager = manager
	}
}

// WithTransferExecutor configures the executor responsible for on-chain submissions.
func WithTransferExecutor(executor TransferExecutor) Option {
	return func(s *Service) {
		s.executor = executor
	}
}

// WithRPCClients configures pre-initialised RPC clients.
func WithRPCClients(clients *rpcclient.Clients) Option {
	return func(s *Service) {
		s.rpcClients = clients
	}
}

// WithNetworks configures supported blockchain networks.
func WithNetworks(networks []shared.Network) Option {
	return func(s *Service) {
		if len(networks) == 0 {
			return
		}
		if s.networks == nil {
			s.networks = make(map[string]shared.Network, len(networks))
		}
		for _, network := range networks {
			if network.Name == "" {
				continue
			}
			clone := network
			if clone.TokenConfigs == nil {
				clone.TokenConfigs = []shared.TokenContract{}
			}
			for i := range clone.TokenConfigs {
				clone.TokenConfigs[i].Symbol = strings.ToUpper(strings.TrimSpace(clone.TokenConfigs[i].Symbol))
				clone.TokenConfigs[i].ContractAddress = strings.ToLower(strings.TrimSpace(clone.TokenConfigs[i].ContractAddress))
			}
			clone.Name = strings.ToLower(strings.TrimSpace(clone.Name))
			s.networks[clone.Name] = clone
		}
	}
}

// WithServiceWallet configures the service wallet binding.
func WithServiceWallet(wallet shared.ServiceWallet) Option {
	return func(s *Service) {
		s.serviceWallet = wallet
	}
}

// WithClock overrides the service clock.
func WithClock(clk clockpkg.Clock) Option {
	return func(s *Service) {
		if clk != nil {
			s.clock = clk
		}
	}
}

// WithSettings applies gateway settings.
func WithSettings(settings CacheSettings) Option {
	return func(s *Service) {
		s.settings = settings.withDefaults()
	}
}