package lib

import (
	"crypto/rand"
	"crypto/sha256"
	"fmt"
	"log"
	"strings"
	"time"

	"github.com/gofiber/fiber/v2"
)

func GetFTime() string {
	return time.Now().Format("01/02/2006")
}

func GetRandom() string {
	buf := make([]byte, 128)
	_, err := rand.Read(buf)
	if err != nil {
		log.Fatalf("Failed to get random bytes: %s", err.Error())
	}

	return GetSHA256(buf)
}

func GetSHA256(s []byte) string {
	sum := sha256.Sum256(s)
	return fmt.Sprintf("%x", sum)
}

func ContainsCase(s1 string, s2 string) bool {
	return strings.Contains(
		strings.ToLower(s1), strings.ToLower(s2),
	)
}

func RenderError(c *fiber.Ctx, code int) error {
	var msg string = "Server Error"
	c.Status(code)

	switch code {
	case 404:
		msg = "Not Found"
	case 500:
		msg = "Server error"
	case 403:
		msg = "Forbidden"
	case 400:
		msg = "Bad request"
	}

	return c.Render("error", fiber.Map{
		"msg": msg,
	})
}