package lib

import (
	"encoding/base64"
	"regexp"
)

const SessionDurationDays = 7 // 1 week

const DatabaseCleanupMinutes = 10 // ten minutes

const GitReposDir = "data/repos/"
const GitBranchMaxLen = 100
const GitBranchMinLen = 2
const GitDefaultBranch = "master"
const GitHashLength = 8

var GitNameRegex = regexp.MustCompile("^[a-zA-Z0-9](?:[a-zA-Z0-9]|[-_][a-zA-Z0-9])*$")
var GitBranchRegex = regexp.MustCompile(`^([a-z0-9A-Z._-]+\/)*[a-z0-9A-Z._-]+$`)

const MaxBlobPreviewBytes = 5 << 20 // 5 MiB - blobs larger than this are not loaded for preview.
const MaxFileRawBytes = 256 << 20   // 256 MiB per file.
const MaxRepoRawBytes = 1 << 30     // 1 GiB per repo.

const SSHPort = 6969
const SSHHostKeyPath = "data/host_key"

const IssueTitleMaxLen = 100        // characters
const IssueDescriptionMaxLen = 2000 // characters
const IssueCommentMaxLen = 3000     // characters

const GistTitleMaxLen = 100     // characters
const GistContentMaxLen = 30000 // characters

const OAuthStateDurationMins = 10

var Base64Encoder = base64.URLEncoding
var ValidationErrorKey = "ValidationErr-"

const MessageKey = "msg"
const ErrorKey = "err"
const SessionKey = "session"
const LoggedInKey = "loggedIn"
const UserKey = "user"