package zordfsdb

import (
	"fmt"
	"os"
	"testing"

	cp "github.com/otiai10/copy"
)

func TestInit(t *testing.T) {
	_, err := InitDB("./testdata")
	if err != nil {
		t.Fatal(err)
	}
}

func TestKeys(t *testing.T) {
	db, err := InitDB("./testdata")
	if err != nil {
		t.Fatal(err)
	}

	keys := db.Keys("")
	fmt.Println(keys)
	if len(keys) != 3 {
		t.Fatal("Wrong keys count on root")
	}

	keys = db.Keys("list")
	fmt.Println(keys)
	if len(keys) != 2 {
		t.Fatal("Wrong keys count on list")
	}

	keys = db.Keys("list.1")
	fmt.Println(keys)
	if len(keys) != 1 {
		t.Fatal("Wrong keys count on list.1")
	}

	keys = db.Keys("object")
	fmt.Println(keys)
	if len(keys) != 1 {
		t.Fatal("Wrong keys count on object")
	}
}

func TestGet(t *testing.T) {
	db, err := InitDB("./testdata")
	if err != nil {
		t.Fatal(err)
	}

	val, found := db.Get("counter")
	if !found || val != "12" {
		t.Fatal("counter value get fail")
	}

	_, found = db.Get("not_exist")
	if found {
		t.Fatal("found not existing")
	}

	val, found = db.Get("list.2.key2")
	if !found || val != "value3" {
		t.Fatal("list.2.key2 value get fail")
	}
}

func copy(t *testing.T) {
	err := os.RemoveAll("./testdata2")
	if err != nil {
	}
	err = cp.Copy("./testdata", "./testdata2")
	if err != nil {
		t.Fatal("Couldn't prepare data for testing")
	}
}

func TestInc(t *testing.T) {
	copy(t)

	db, err := InitDB("./testdata2")
	if err != nil {
		t.Fatal(err)
	}

	db.Inc("counter")
	val, found := db.Get("counter")
	if !found || val != "13" {
		t.Fatal("counter value get fail")
	}
}

func TestDec(t *testing.T) {
	copy(t)

	db, err := InitDB("./testdata2")
	if err != nil {
		t.Fatal(err)
	}

	db.Dec("counter")
	val, found := db.Get("counter")
	if !found || val != "11" {
		t.Fatal("counter value get fail")
	}
}

func TestNow(t *testing.T) {
	copy(t)

	db, err := InitDB("./testdata2")
	if err != nil {
		t.Fatal(err)
	}

	db.Now("today")
	val, found := db.Get("today")
	fmt.Println(val)
	if !found || len(val) < 10 {
		t.Fatal("today value length wrong:", len(val))
	}
}

func TestSave(t *testing.T) {
	copy(t)

	db, err := InitDB("./testdata2")
	if err != nil {
		t.Fatal(err)
	}

	db.Save("newKey", "newValue")
	val, found := db.Get("newKey")
	fmt.Println(val)
	if !found || val != "newValue" {
		t.Fatal("newKey value wrong")
	}

	db.Save("object.newKey", "newValue2")
	val, found = db.Get("object.newKey")
	fmt.Println(val)
	if !found || val != "newValue2" {
		t.Fatal("object.newKey value wrong")
	}

	success := db.Save("object2.newKey", "newValue2")
	if success {
		t.Fatal("object2.newKey value created - should not")
	}
}

func TestDel(t *testing.T) {
	copy(t)

	db, err := InitDB("./testdata2")
	if err != nil {
		t.Fatal(err)
	}

	db.Del("counter")
	_, found := db.Get("counter")
	if found {
		t.Fatal("delete failed")
	}

	db.Del("list.2")
	_, found = db.Get("list.2.key2")
	if found {
		t.Fatal("delete failed #2")
	}
}

func TestCreateList(t *testing.T) {
	copy(t)

	db, err := InitDB("./testdata2")
	if err != nil {
		t.Fatal(err)
	}

	success := db.CreateNode("object.list2")
	if !success {
		t.Fatal("object.list2 node was not created")
	}

	id, err := db.AddObject("object.list2")
	fmt.Println("Added object to object.list2 id:", id)
	if err != nil {
		t.Fatal(err)
	}

	db.Save("object.list2."+id+".newKey4", "newValue4")
	val, found := db.Get("object.list2." + id + ".newKey4")
	fmt.Println(val)
	if !found || val != "newValue4" {
		t.Fatal("object.list2.0.newKey4 value wrong")
	}
}