module.exports = {

	//mongodb connection string
	dbURL: 'mongodb://username:password@localhost:27017',

	//redis connection info
	redis: {
		host: '127.0.0.1',
		port: '6379',
		password: 'long random string'
	},

	//backend webserver port
	port: 7000,

	//secrets/salts for various things
	sessionSecret: 'long random string',
	tripcodeSecret: 'long random string',
	ipHashSecret: 'long random string',
	postPasswordSecret: 'long random string',

	//enable secure cookies, only use with https
	secureCookies: true,

	//check referrer to prevent some CSRF attack
	refererCheck: true,
	refererRegex: '^https?:\\/\\/(?:www\\.)?domain\\.com\\/',

	//data used in opengraph meta tags. used to generate link previews in e.g. discord, twitter, etc
	meta: {
		siteName: 'imageboard',
		url: 'https://domain.com'
	},

	//settings for captchas, if you make them too weak they could probably be solved with OCR.
	captchaOptions: {
		distortion: 13,
		numDistorts: {
			min: 3,
			max: 5
		},
		paintAmount: 2
	},

	//cache templates in memory. disable only if editing templates and doing dev work
	cacheTemplates: true,

	//log extra info for debugging
    debugLogs: true,

	//max wait time in ms for obtaining locks for saving files
	lockWait: 3000,

	//optionally prune oldest modlog entries (prunes when newer modlog entries are generated i.e. dead boards wont have older logs pruned)
	pruneModlogs: true,
	pruneAfterDays: 30,

	//enable the webring (also copy configs/webring.json.example -> configs/webring.json and edit)
	enableWebring: false,

	//let all users create new boards
	enableUserBoards: true,

	/* extension for thumbnails. this value is used UNLESS the image contains transparency,
		in which case png is used. */
	thumbExtension: '.jpg',

	//max thumb dimensions (square) in px. images smaller than this are not thumbnailed
	thumbSize: 200,

	//default ban duration in ms if ban duration field is left blank (default value is 1 year)
	defaultBanDuration: 31536000000,

	//max number of quotes that will be linked in a post. 0 for unlimited (not recommended)
	quoteLimit: 15,

	//how many replies to show on index pages under each OP
	previewReplies: 5,
	stickyPreviewReplies: 5, //choose a different amount for sticky posts if desired

	/* the fraction of threadLimit beyond which early404 prunes posts
		e.g. 3 means after the first third, so if you had 6 pages,
		anything after page 2 with less than early404Replies gets pruned */
	early404Fraction: 3,

	//how many replies a thread needs to not get removed by early404
	early404Replies: 5,

	//options for code block highlighting in posts
	highlightOptions: {

		//subset of languages to allow.
		languageSubset: [
			'javascript',
			'js',
			'typescript',
			'java',
			'kotlin',
			'php',
			'c++',
			'c',
			'h',
			'csharp',
			'bash',
			'sh',
			'zsh',
			'python',
			'ruby',
			'css',
			'html',
			'json',
			'golang',
			'rust'
		],

		//threshold below which auto language is ignored
		threshold: 5

	},

	//global limits for board settings
	globalLimits:  {
		threadLimit: { //number of threads, 10 per page
			min: 10,
			max: 200
		},
		replyLimit: { //number of replies to a thread, thread is locked after this limit is reached
			min: 10,
			max: 500
		},
		postFiles: { //number of files in a post
			max: 3
		},
		postFilesSize: { //max combined size of all files in a post (10MB default)
			max: 10485760
		},
		bannerFiles: { //max number of banners uploadable at once
			max: 10
		},
		bannerFilesSize: { //max combined size of banner files (10MB default)
			max: 10485760
		},
		messageLength: { //max length of a post mesage field
			max: 4000
		}
	},

	//default board settings when a board is created
	boardDefaults: {
		theme: 'lain',
		codeTheme: 'ir-black',
		sfw: false, //safe for work board
		locked: false, //board locked, only staff can post
		unlisted: false, //board hidden from on-site board list and frontpage
		webring: true, //board shown on webring
		captchaMode: 0, //0=disabled, 1=for threads, 2=for all posts
		tphTrigger: 0, //numebr of threads in an hour before trigger action is activated
		pphTrigger: 0, //number of posts in an hour before ^
		triggerAction: 0, //0=nothing, 1=captcha enable for threads, 2=captcha enable for all posts, 3=lock board
		forceAnon: false, //disable name and subject, only allow sage email
		early404: true, //delete threads beyond the first 1/3 of pages with less than 5 replies
		ids: false, //show per thread poster ID based on ip
		flags: false, //show geo flags, requires nginx setup
		userPostDelete: true, //allow users to delete their posts
		userPostSpoiler: true, //allow user to spoiler their post files
		userPostUnlink: true, //alow user to unlink files fomr their post
		threadLimit: 200,
		replyLimit: 500,
		maxFiles: 1,
		forceReplyMessage: false,
		forceReplyFile: false,
		forceThreadMessage: false,
		forceThreadFile: false,
		forceThreadSubject: false,
		disableReplySubject: false,
		minThreadMessageLength: 0,
		minReplyMessageLength: 0,
		defaultName: 'Anon',
		filters: [], //words/phrases to block
		filterMode: 0, //0=nothing, 1=prevent post, 2=auto ban
		filterBanDuration: 0, //duration (in ms) to ban if filter mode=2
		announcement: {
			raw: null,
			markdown: null
		},
		allowedFileTypes: { //enable different types of files to be posted
			animatedImage: true,
			image: true,
			video: true,
			audio: true
		}
	}

}