/*
Real-time Online/Offline Charging System (OCS) for Telecom & ISP environments
Copyright (C) ITsysCOM GmbH

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>
*/
package engine

import (
	"reflect"
	"strings"
	"testing"

	"github.com/cgrates/cgrates/utils"
)

func TestVersionCompare(t *testing.T) {
	x := Versions{utils.Accounts: 2, utils.Actions: 2,
		utils.Attributes: 2, utils.Chargers: 2,
		utils.CostDetails: 2}
	y := Versions{utils.Accounts: 1, utils.Actions: 2,
		utils.Attributes: 2, utils.Chargers: 2,
		utils.CostDetails: 2}
	c := Versions{utils.CostDetails: 1}
	a := Versions{utils.Accounts: 2, utils.Actions: 2,
		utils.Attributes: 2, utils.Chargers: 2,
		utils.CostDetails:   2,
		utils.SessionSCosts: 1}
	b := Versions{utils.Accounts: 2, utils.Actions: 2,
		utils.Attributes: 2, utils.Chargers: 2,
		utils.CostDetails:   2,
		utils.SessionSCosts: 2}

	message1 := y.Compare(x, utils.Mongo, true)
	if message1 != "cgr-migrator -exec=*accounts" {
		t.Errorf("Error failed to compare to curent version expected: %s received: %s", "cgr-migrator -exec=*accounts", message1)
	}
	message4 := c.Compare(x, utils.Mongo, false)
	if message4 != "cgr-migrator -exec=*cost_details" {
		t.Errorf("Error failed to compare to curent version expected: %s received: %s", "cgr-migrator -exec=*cost_details", message4)
	}
	message5 := a.Compare(b, utils.MySQL, false)
	if message5 != "cgr-migrator -exec=*sessions_costs" {
		t.Errorf("Error failed to compare to curent version expected: %s received: %s", "cgr-migrator -exec=*sessions_costs", message5)
	}
	message6 := a.Compare(b, utils.Postgres, false)
	if message6 != "cgr-migrator -exec=*sessions_costs" {
		t.Errorf("Error failed to compare to curent version expected: %s received: %s", "cgr-migrator -exec=*sessions_costs", message6)
	}
	message7 := y.Compare(x, utils.Redis, true)
	if message7 != "cgr-migrator -exec=*accounts" {
		t.Errorf("Error failed to compare to curent version expected: %s received: %s", "cgr-migrator -exec=*accounts", message7)
	}

	y[utils.Accounts] = 2
	message8 := y.Compare(x, utils.Redis, true)
	if message8 != utils.EmptyString {
		t.Errorf("Expected %+v, received %+v", utils.EmptyString, message8)
	}
}

func TestCurrentDBVersions(t *testing.T) {
	expVersDataDB := Versions{
		utils.StatS: 4, utils.Accounts: 3, utils.Actions: 2,
		utils.Thresholds: 4, utils.Routes: 2, utils.Attributes: 6,
		utils.Timing: 1, utils.RQF: 5, utils.Resource: 1,
		utils.Subscribers: 1, utils.Destinations: 1, utils.ReverseDestinations: 1,
		utils.Chargers:    2,
		utils.Dispatchers: 2, utils.LoadIDsVrs: 1, utils.RateProfiles: 1,
		utils.ActionProfiles: 1,
	}
	expVersStorDB := Versions{
		utils.CostDetails: 2, utils.SessionSCosts: 3, utils.CDRs: 2,
		utils.TpFilters: 1, utils.TpThresholds: 1, utils.TpRoutes: 1,
		utils.TpStats: 1, utils.TpResources: 1, utils.TpTiming: 1,
		utils.TpResource: 1, utils.TpDestinations: 1,
		utils.TpChargers: 1, utils.TpDispatchers: 1,
		utils.TpRateProfiles: 1, utils.TpActionProfiles: 1,
	}
	if vrs := CurrentDBVersions(utils.Mongo, true); !reflect.DeepEqual(expVersDataDB, vrs) {
		t.Errorf("Expectred %+v, received %+v", expVersDataDB, vrs)
	}

	if vrs := CurrentDBVersions(utils.Mongo, false); !reflect.DeepEqual(expVersStorDB, vrs) {
		t.Errorf("Expectred %+v, received %+v", expVersStorDB, vrs)
	}

	if vrs := CurrentDBVersions(utils.Postgres, false); !reflect.DeepEqual(expVersStorDB, vrs) {
		t.Errorf("Expectred %+v, received %+v", expVersStorDB, vrs)
	}

	if vrs := CurrentDBVersions(utils.Redis, true); !reflect.DeepEqual(expVersDataDB, vrs) {
		t.Errorf("Expectred %+v, received %+v", expVersDataDB, vrs)
	}

	if vrs := CurrentDBVersions("NOT_A_DB", true); vrs != nil {
		t.Error(vrs)
	}

	//Compare AllVersions
	expStr := "cgr-migrator"
	if rcv := expVersDataDB.Compare(expVersStorDB, utils.Internal, true); !strings.Contains(rcv, expStr) {
		t.Errorf("Expected %+v, received %+v", expStr, rcv)
	}
}
