// Package config holds some (mostly static) configuration for the app.
package config

import (
	"regexp"
	"time"
)

// Branding
const (
	Title    = "gosocial"
	Subtitle = "A purpose built social networking app."
)

// Paths and layouts
const (
	TemplatePath = "./web/templates"
	StaticPath   = "./web/static"
	SettingsPath = "./settings.json"

	// Web path where photos are kept. Photos in DB store only their filenames, this
	// is the base URL that goes in front. TODO: support setting a CDN URL prefix.
	JpegQuality   = 90
	PhotoWebPath  = "/static/photos/"
	PhotoDiskPath = "./web/static/photos"
)

// Security
const (
	BcryptCost            = 14
	SessionCookieName     = "session_id"
	CSRFCookieName        = "csrf_token"
	CSRFInputName         = "_csrf" // html input name
	SessionCookieMaxAge   = 60 * 60 * 24 * 30
	SessionRedisKeyFormat = "session/%s"
	MultipartMaxMemory    = 1024 * 1024 * 1024 * 20 // 20 MB
)

// Authentication
const (
	// Skip the email verification step. The signup page will directly ask for
	// email+username+password rather than only email and needing verification.
	SkipEmailVerification = false
	SignupTokenRedisKey   = "signup-token/%s"
	SignupTokenExpires    = 24 * time.Hour
)

var (
	UsernameRegexp = regexp.MustCompile(`^[a-z0-9_-]{3,32}$`)
)

// Photo Galleries
const (
	MaxPhotoWidth     = 1280
	ProfilePhotoWidth = 512
)

// Variables set by main.go to make them readily available.
var (
	RuntimeVersion   string
	RuntimeBuild     string
	RuntimeBuildDate string
	Debug            bool // app is in debug mode
)