// NewValidationAuthorityServer constructs an RPC server
//
// ValidationAuthorityClient / Server
//  -> UpdateValidations
func NewValidationAuthorityServer(rpc Server, impl core.ValidationAuthority) (err error) {
	rpc.Handle(MethodUpdateValidations, func(req []byte) (response []byte, err error) {
		var vaReq validationRequest
		if err = json.Unmarshal(req, &vaReq); err != nil {
			// AUDIT[ Improper Messages ] 0786b6f2-91ca-4f48-9883-842a19084c64
			improperMessage(MethodUpdateValidations, err, req)
			return
		}

		err = impl.UpdateValidations(vaReq.Authz, vaReq.Index)
		return
	})

	rpc.Handle(MethodCheckCAARecords, func(req []byte) (response []byte, err error) {
		var caaReq caaRequest
		if err = json.Unmarshal(req, &caaReq); err != nil {
			// AUDIT[ Improper Messages ] 0786b6f2-91ca-4f48-9883-842a19084c64
			improperMessage(MethodCheckCAARecords, err, req)
			return
		}

		present, valid, err := impl.CheckCAARecords(caaReq.Ident)
		if err != nil {
			return
		}

		var caaResp caaResponse
		caaResp.Present = present
		caaResp.Valid = valid
		caaResp.Err = err
		response, err = json.Marshal(caaResp)
		if err != nil {
			// AUDIT[ Error Conditions ] 9cc4d537-8534-4970-8665-4b382abe82f3
			errorCondition(MethodCheckCAARecords, err, caaReq)
			return
		}
		return
	})

	rpc.Handle(MethodIsSafeDomain, func(req []byte) ([]byte, error) {
		r := &core.IsSafeDomainRequest{}
		if err := json.Unmarshal(req, r); err != nil {
			// AUDIT[ Improper Messages ] 0786b6f2-91ca-4f48-9883-842a19084c64
			improperMessage(MethodIsSafeDomain, err, req)
			return nil, err
		}
		resp, err := impl.IsSafeDomain(r)
		if err != nil {
			return nil, err
		}
		jsonResp, err := json.Marshal(resp)
		if err != nil {
			return nil, err
		}
		return jsonResp, nil
	})

	return nil
}