/*
Copyright IBM Corp. All Rights Reserved.

SPDX-License-Identifier: Apache-2.0
*/

package scc

import (
	//import system chaincodes here
	"github.com/hyperledger/fabric/core/scc/cscc"
	"github.com/hyperledger/fabric/core/scc/escc"
	"github.com/hyperledger/fabric/core/scc/lscc"
	"github.com/hyperledger/fabric/core/scc/qscc"
	"github.com/hyperledger/fabric/core/scc/vscc"
)

//see systemchaincode_test.go for an example using "sample_syscc"
var systemChaincodes = []*SystemChaincode{
	{
		Enabled:           true,
		Name:              "cscc",
		Path:              "github.com/hyperledger/fabric/core/scc/cscc",
		InitArgs:          [][]byte{[]byte("")},
		Chaincode:         &cscc.PeerConfiger{},
		InvokableExternal: true, // cscc is invoked to join a channel
	},
	{
		Enabled:           true,
		Name:              "lscc",
		Path:              "github.com/hyperledger/fabric/core/scc/lscc",
		InitArgs:          [][]byte{[]byte("")},
		Chaincode:         lscc.NewLifeCycleSysCC(),
		InvokableExternal: true, // lscc is invoked to deploy new chaincodes
		InvokableCC2CC:    true, // lscc can be invoked by other chaincodes
	},
	{
		Enabled:   true,
		Name:      "escc",
		Path:      "github.com/hyperledger/fabric/core/scc/escc",
		InitArgs:  [][]byte{[]byte("")},
		Chaincode: &escc.EndorserOneValidSignature{},
	},
	{
		Enabled:   true,
		Name:      "vscc",
		Path:      "github.com/hyperledger/fabric/core/scc/vscc",
		InitArgs:  [][]byte{[]byte("")},
		Chaincode: &vscc.ValidatorOneValidSignature{},
	},
	{
		Enabled:           true,
		Name:              "qscc",
		Path:              "github.com/hyperledger/fabric/core/chaincode/qscc",
		InitArgs:          [][]byte{[]byte("")},
		Chaincode:         &qscc.LedgerQuerier{},
		InvokableExternal: true, // qscc can be invoked to retrieve blocks
		InvokableCC2CC:    true, // qscc can be invoked to retrieve blocks also by a cc
	},
}

//DeploySysCCs is the hook for system chaincodes where system chaincodes are registered with the fabric
//note the chaincode must still be deployed and launched like a user chaincode will be
func DeploySysCCs(chainID string) {
	for _, sysCC := range systemChaincodes {
		deploySysCC(chainID, sysCC)
	}
}

//DeDeploySysCCs is used in unit tests to stop and remove the system chaincodes before
//restarting them in the same process. This allows clean start of the system
//in the same process
func DeDeploySysCCs(chainID string) {
	for _, sysCC := range systemChaincodes {
		DeDeploySysCC(chainID, sysCC)
	}
}

//IsSysCC returns true if the name matches a system chaincode's
//system chaincode names are system, chain wide
func IsSysCC(name string) bool {
	for _, sysCC := range systemChaincodes {
		if sysCC.Name == name {
			return true
		}
	}
	return false
}

// IsSysCCAndNotInvokableExternal returns true if the chaincode
// is a system chaincode and *CANNOT* be invoked through
// a proposal to this peer
func IsSysCCAndNotInvokableExternal(name string) bool {
	for _, sysCC := range systemChaincodes {
		if sysCC.Name == name {
			return !sysCC.InvokableExternal
		}
	}
	return false
}

// IsSysCCAndNotInvokableCC2CC returns true if the chaincode
// is a system chaincode and *CANNOT* be invoked through
// a cc2cc invocation
func IsSysCCAndNotInvokableCC2CC(name string) bool {
	for _, sysCC := range systemChaincodes {
		if sysCC.Name == name {
			return !sysCC.InvokableCC2CC
		}
	}
	return false
}

// MockRegisterSysCCs is used only for testing
// This is needed to break import cycle
func MockRegisterSysCCs(mockSysCCs []*SystemChaincode) []*SystemChaincode {
	orig := systemChaincodes
	systemChaincodes = mockSysCCs
	RegisterSysCCs()
	return orig
}

// MockResetSysCCs restore orig system ccs - is used only for testing
func MockResetSysCCs(mockSysCCs []*SystemChaincode) {
	systemChaincodes = mockSysCCs
}