package main

import (
	"github.com/globalsign/mgo"
	"github.com/jinzhu/gorm"
)

type CoreInterface interface {
	Register() (string, error)
	UnRegister() error

	BeforeLoadPlugins() error
	LoadPlugins() error
	AfterLoadPlugins() error

	BeforeLoadConfiguration() error
	LoadConfiguration() error
	AfterLoadConfiguration() error

	// connection string parameter e.g. "localhost"
	ConnectMongoDB(string) (*mgo.Session, error)

	// connection string parameter
	ConnectGORM(string) (*gorm.DB, error)

	// ConnectNeo4j
	// ConnectArangoDB
	// ConnectCassandra
	// ConnectDGraph

	BeforeConnectToDatabases() error
	ConnectToDatabases() error
	AfterConnectToDatabases() error

	BeforeSetupLogger() error
	SetupLogger() error
	AfterSetupLogger() error

	BeforeSetupRoutes() error
	SetupRoutes() error
	AfterSetupRoutes() error

	BeforeRun() error
	Run() error
	AfterRun() error
}

type HandlerInterface interface {
	Register() (string, error)
	UnRegister() error

	BeforeProcessRequest() error
	ProcessRequest() error
	AfterProcessRequest() error

	BeforeLoadDataFromDatabase() error
	LoadDataFromDatabase() error
	AfterLoadDataFromDatabase() error

	BeforeSaveDataToDatabase() error
	SaveDataToDatabase() error
	AfterSaveDataToDatabase() error

	BeforeRenderOutput() error
	RenderOutput() error
	AfterRenderOutput() error
}