package excelize

import (
	"fmt"
	"math/rand"
	"sync"
	"testing"
	"time"
)

var (
	once sync.Once
)

func testSetup() {
	rand.Seed(time.Now().UnixNano())
}

func TestExcelize(t *testing.T) {
	// Test update a XLSX file
	file, err := OpenFile("./test/Workbook1.xlsx")
	if err != nil {
		fmt.Println(err)
	}
	file = SetCellInt(file, "SHEET2", "B2", 100)
	file = SetCellStr(file, "SHEET2", "C11", "Knowns")
	file = NewSheet(file, 3, "TestSheet")
	file = SetCellInt(file, "Sheet3", "A23", 10)
	file = SetCellStr(file, "SHEET3", "b230", "10")
	file = SetActiveSheet(file, 2)
	if err != nil {
		fmt.Println(err)
	}
	for i := 1; i <= 300; i++ {
		file = SetCellStr(file, "SHEET3", fmt.Sprintf("c%d", i), randToken(5))
	}
	err = Save(file, "./test/Workbook_2.xlsx")

	// Test create a XLSX file
	file2 := CreateFile()
	file2 = NewSheet(file2, 2, "SHEETxxx")
	file2 = NewSheet(file2, 3, "asd")
	file2 = SetCellInt(file2, "Sheet2", "A23", 10)
	file2 = SetCellStr(file2, "SHEET1", "B20", "10")
	err = Save(file2, "./test/Workbook_3.xlsx")
	if err != nil {
		fmt.Println(err)
	}
}

func randToken(length int) string {
	b := make([]byte, length)
	rand.Read(b)
	return fmt.Sprintf("%x", b)
}