// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.

package store

import (
	"strings"
	"testing"

	"github.com/mattermost/platform/model"
	"github.com/mattermost/platform/utils"
)

var store Store

func Setup() {
	if store == nil {
		utils.TranslationsPreInit()
		utils.LoadConfig("config.json")
		utils.InitTranslations(utils.Cfg.LocalizationSettings)
		store = NewSqlStore()

		store.MarkSystemRanUnitTests()
	}
}

func TestSqlStore1(t *testing.T) {
	utils.LoadConfig("config.json")
	utils.Cfg.SqlSettings.Trace = true

	store := NewSqlStore()
	store.Close()

	utils.LoadConfig("config.json")
}

func TestSqlStore2(t *testing.T) {
	defer func() {
		if r := recover(); r == nil {
			t.Fatal("should have been fatal")
		}
	}()

	utils.LoadConfig("config.json")
	utils.Cfg.SqlSettings.DriverName = "missing"
	store = NewSqlStore()

	utils.LoadConfig("config.json")
}

func TestSqlStore3(t *testing.T) {
	defer func() {
		if r := recover(); r == nil {
			t.Fatal("should have been fatal")
		}
	}()

	utils.LoadConfig("config.json")
	utils.Cfg.SqlSettings.DataSource = "missing"
	store = NewSqlStore()

	utils.LoadConfig("config.json")
}

func TestEncrypt(t *testing.T) {
	m := make(map[string]string)

	key := []byte("IPc17oYK9NAj6WfJeCqm5AxIBF6WBNuN") // AES-256

	originalText1 := model.MapToJson(m)
	cryptoText1, _ := encrypt(key, originalText1)
	text1, _ := decrypt(key, cryptoText1)
	rm1 := model.MapFromJson(strings.NewReader(text1))

	if len(rm1) != 0 {
		t.Fatal("error in encrypt")
	}

	m["key"] = "value"
	originalText2 := model.MapToJson(m)
	cryptoText2, _ := encrypt(key, originalText2)
	text2, _ := decrypt(key, cryptoText2)
	rm2 := model.MapFromJson(strings.NewReader(text2))

	if rm2["key"] != "value" {
		t.Fatal("error in encrypt")
	}
}

func TestAlertDbCmds(t *testing.T) {
	Setup()

	sqlStore := store.(*SqlStore)

	if !sqlStore.DoesTableExist("Systems") {
		t.Fatal("Failed table exists")
	}

	if sqlStore.DoesColumnExist("Systems", "Test") {
		t.Fatal("Column should not exist")
	}

	if !sqlStore.CreateColumnIfNotExists("Systems", "Test", "VARCHAR(50)", "VARCHAR(50)", "") {
		t.Fatal("Failed to create column")
	}

	maxLen := sqlStore.GetMaxLengthOfColumnIfExists("Systems", "Test")

	if maxLen != "50" {
		t.Fatal("Failed to get max length found " + maxLen)
	}

	if !sqlStore.AlterColumnTypeIfExists("Systems", "Test", "VARCHAR(25)", "VARCHAR(25)") {
		t.Fatal("failed to alter column size")
	}

	maxLen2 := sqlStore.GetMaxLengthOfColumnIfExists("Systems", "Test")

	if maxLen2 != "25" {
		t.Fatal("Failed to get max length")
	}

	if !sqlStore.RenameColumnIfExists("Systems", "Test", "Test1", "VARCHAR(25)") {
		t.Fatal("Failed to rename column")
	}

	if sqlStore.DoesColumnExist("Systems", "Test") {
		t.Fatal("Column should not exist")
	}

	if !sqlStore.DoesColumnExist("Systems", "Test1") {
		t.Fatal("Column should exist")
	}

	sqlStore.CreateIndexIfNotExists("idx_systems_test1", "Systems", "Test1")
	sqlStore.RemoveIndexIfExists("idx_systems_test1", "Systems")

	sqlStore.CreateFullTextIndexIfNotExists("idx_systems_test1", "Systems", "Test1")
	sqlStore.RemoveIndexIfExists("idx_systems_test1", "Systems")

	if !sqlStore.RemoveColumnIfExists("Systems", "Test1") {
		t.Fatal("Failed to remove columns")
	}

	if sqlStore.DoesColumnExist("Systems", "Test1") {
		t.Fatal("Column should not exist")
	}
}