module.exports = {

	globalAnnouncement: {
		markdown: '',
		raw: '',
	},

	secureCookies: true,

	//check referrer to prevent some CSRF attack
	refererCheck: false,

	//list of allowed host for checking referrer
	allowedHosts: [],

	//header for country codes
	countryCodeHeader: 'x-country-code',
	//header for visitor IP
	ipHeader: 'x-real-ip',

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

	language: 'en-GB',

	filters: [],
	strictFiltering: false,
	filterMode: 0,
	filterBanDuration: 0,
	filterBanAppealable: true,

	//settings for captchas
	captchaOptions: {
		type: 'text',
		generateLimit: 250,
		font: 'default',
		text: {
			line: true,
			wave: 0,
			paint: 2,
			noise: 0,
		},
		grid: {
			falses: ['○','□','♘','♢','▽','△','♖','✧','♔','♘','♕','♗','♙','♧'],
			trues: ['●','■','♞','♦','▼','▲','♜','✦','♚','♞','♛','♝','♟','♣'],
			question: 'Select the solid/filled icons',
			size: 4,
			imageSize: 120,
			iconYOffset: 15,
			edge: 25,
			noise: 0,
		},
		numDistorts: {
			min: 2,
			max: 3
		},
		distortion: 7,
	},

	/* dnsbl, will add a small delay for uncached requests. You could also install some 
		kind of dns cache e.g. unbound to improve performance. DNSBL only checked for posting */
	dnsbl: {
		enabled: false,
		blacklists: ['tor.dan.me.uk', 'zen.spamhaus.org'],
		cacheTime: 3600 //in seconds, idk whats a good value
	},

	//disable file posting over anonymizers globally, overrides any board setting.
	disableAnonymizerFilePosting: false,

	//count anon posters (e.g. loki, tor .onion) as "users" in stats. if set to false, all .onion is counted as a single user. doesnt affect pph stat.
	statsCountAnonymizers: true,

	floodTimers: { //basic delays to stop flooding, in ms. 0 to disable
		sameContentSameIp: 120000, //same message or any file from same ip
		sameContentAnyIp: 30000, //same message or file from any ip
		anyContentSameIp: 5000, //any post from the same ip
	},

	//block bypasses
	blockBypass: {
		enabled: false,
		forceAnonymizers: true,
		expireAfterUses: 50, //however many (attempted) posts per block bypass captcha
		expireAfterTime: 86400000, //expiry in ms regardless if the limit was reached, default 1 day
		bypassDnsbl: false,
	},

	/* delete files immediately rather than pruning later. usually disabled to prevent re-thumbnailing and processing commonly
		uploaded files, but deleting immediately is better if you are concerned about "deleted" content not being immediately removed */
	pruneImmediately: true,

	//do not use
	hashImages: false,

	rateLimitCost: { //Cost out of 100 per minute e.g. cost of 25 means 4 per minute. Cost is separate for each.
		captcha: 10,
		boardSettings: 30,
		editPost: 30,
	},

	//how many threads to show on overboard index view
	overboardLimit: 20,
	//how many threads to show on overboard catalog view
	overboardCatalogLimit: 100,
	//allow custom overboard (user pick what boards to show)
	allowCustomOverboard: true,
	//whether to show reverse links on overboard
	overboardReverseLinks: true,

	//how many hot threads show on homepage. 0 disabled
	hotThreadsLimit: 5,
	//how many replies the thread needs to be "hot"
	hotThreadsThreshold: 10,
	//max age of a hot thread, with a reducing score multiplier from 0-1 bias towards this date
	hotThreadsMaxAge: 2629800000,

	//default url format/links for archive and reverse image search links, %s will be replaced by the url
	archiveLinksURL: 'https://archive.today/?run=1&url=%s',
	reverseImageLinksURL: 'https://tineye.com/search?url=%s',

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

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

	//optionally prune modlog entries older than x days
	pruneModlogs: 30,

	//option to prune ips on posts older than x days
	pruneIps: 0,

	//dont store raw ips at all (in jschan), not counting webservers or whatever else.
	dontStoreRawIps: false,

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

	//extension for thumbnails
	thumbExtension: '.webp',
	//whether to animate gif thumbnails
	animatedGifThumbnails: false,
	//generate waveform thumbnails for audio
	audioThumbnails: true,
	/* if animatedGifThumbnails is true, use ffmpeg for better animated gif thumbnailing. Recommended.
		requires ffmpeg >=4.3.x. You can install from debian testing repo, or compile from source. */
	ffmpegGifThumbnails: true,

	//max thumb dimensions (square) in px
	thumbSize: 250,

	//0-100 percent through a video to try taking video thumbnails from, to remedy black first frames or fade-ins
	videoThumbPercentage: 5,

	/* extra mime types for files to be uploaded as attachments (no thumbnails) e.g. text files/archives
		NOTE: appropriate extensions will need to be added to nginx configuration, and uncommend the provided
		"other files" section which includes an example configuration for .txt files to match this default config.
		mime types and file extention does not always correspond exactly this cant be done automatically. */
	otherMimeTypes: [
		'text/plain',
		'application/pdf',
		'tegaki/replay',
	],

	//check the real mime type of uploaded files
	checkRealMimeTypes: false,
	//if checking real mime types, and the real type is unknown, allow it anyway
	allowMimeNoMatch: false,

	//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: 25,

	//aply global filters more aggressively, trying against extra text that strips diacritics and some ZWS chars
	strictFiltering: true,

	//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,

	//how many of the most recent newsposts to show on the homepage
	maxRecentNews: 5,

	//time for an account to be considered inactive
	inactiveAccountTime: 7889400000,
	//action for inactive accounts: nothing, forfeit staff positions, delete account
	inactiveAccountAction: 0,

	//action for handling abandoned boards (no board owner): nothing, lock, lock + unlist, delete board
	abandonedBoardAction: 0,

	/* filter filenames on posts and banners
		false=no filtering
		true=allow only A-Za-z0-9_-
		regex=custom regex of what to replace e.g. /[^\w\s-]+/g */
	filterFileNames: false,
	/* replace spaces and multiple spaces with some character default _ for better filenames
		(spaces dont belong in filenames) */
	spaceFileNameReplacement: '_',

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

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

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

	},

	//uses names of css in gulp/res/css. if blank, all themes are enabled.
	themes: [],
	codeThemes: [],

	//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: 1000
		},
		bumpLimit: { //number of replies to a thread before it wont get bumped anymore
			min: 10,
			max: 1000
		},
		postFiles: { //number of files in a post
			max: 5,
		},
		postFilesSize: {
			max: 10485760, //in bytes, 10MB default
			//width*height max number, 10000*10000 default, since square vs very wids vs very tall doesnt matter,
			//just the raw number of pixels e.g. 4K 3840x2160=77414400, so we give PLENTY of headroom
			imageResolution: 100000000,
			videoResolution: 77414400,
		},
		bannerFiles: {
			width: 300, //banner image max width in px
			height: 100, //banner image max height in px
			forceAspectRatio: true, //enforce 3:1 aspect ratio
			max: 10, //number of banners uploadable in one request
			total: 100, //max number of banners for a board
		},
		flagFiles: {
			max: 10, //number of banners uploadable in one request
			total: 100, //max number of flags for a board
		},
		assetFiles: {
			max: 10, //number of assets uploadable in one request
			total: 50, //max number of assets for a board
		},
		bannerFilesSize: { //in bytes, 10MB default
			max: 10485760
		},
		assetFilesSize: { //in bytes, 10MB default
			max: 10485760
		},
		flagFilesSize: { //in bytes, 1MB default
			max: 1048576
		},
		/* NOTE: xFilesSize in bytes the amount of total data in form submission including
			other fields like message, name, etc. Therefore a very long message would reduce the space left for files very slightly.
			To counteract this, consider increasing them beyond your desired max filesize by a small margin */
		fieldLength: { //max length of fields in some forms
			//post form
			name: 100,
			email: 100,
			subject: 100,
			postpassword: 100,
			message: 20000,
			//reports/post actions
			report_reason: 100,
			ban_reason: 100,
			log_message: 100,
			//board creation
			uri: 50,
			boardname: 50,
			description: 100,
		},
		multiInputs: {
			//limits on certain requests that have multi-select. set any to 0 for unlimited
			posts: { //post actions (report, delete, spoiler, ban, etc).
				anon: 20, //separate for non-staff to prevent performance issues or abuse e.g. user mass self-deleting or reporting posts with single captcha
				staff: 100, //but to still allow mass moderation for staff
			},
			//note: room for more limits here if they are needed for other checkbox forms in future
		},
		customCss: {
			enabled: true, //allow custom css by board owners
			max: 10000, //max number of characters to allow
			strict: true, //enables filters to block certain strings in custom css
			filters: [
				'@',
				'url(',
			]
		},
		customPages: {
			max: 10, //max number of custom pages per board
			maxLength: 10000, //max number of characters to allow per page
		}
	},

	//default frontend script settings
	frontendScriptDefault: {
		embedsEnabled: true, //show [embed] toggle next to embeddable video links
		heightUnlimit: false, //allow images taller than window height
		hideRecursive: true, //hide replies to hidden OPs
		crispImages: false, //use crisp/pixelated image rendering
		hideThumbnails: false, //hide thumbnails
		nonColorIds: false, //dont color ids
		alwaysShowSpoilers: false , //always reveal spoiler text
		hidePostStubs: false, //hide hidden posts completely, dont even show it minimized
		smoothScrolling: true, //smooth scrolling. annoying for chrome users on long threads
		threadWatcher: true, //make threadwatcher visible
		defaultVolume: 100, //default video/audio volume
		loop: true, //looping video/audio
		imageLoadingBars: true, //show loading bar for images, changes behaviour of right click save/open
		live: true, //update threads automatically
		scrollToPosts: false, //scroll to new posts
		localTime: true, //show local time for posts
		hour24Time: false, //show 24 hour time for posts
		relativeTime: true, //show relative time i.e. "5 minutes ago" for posts
		//note: relative time overrides other time options, they show on hover in the tooltip/"title" property
		notificationsEnabled: false, //show notifications for new posts in a thread
		notificationsYousOnly: true, //only show notifications for posts that quote you
		showYous: true, //show (You) next to name on your posts, and quotes linking to your post
		hideDeletedPostContent: false, //hide the message and files from marked deleted posts from websocket
		tegakiWidth: 500, //default canvas size for tegaki drawings
		tegakiHeight: 500,
	},

	//default board settings when a board is created
	boardDefaults: {
		language: 'en-GB',
		theme: 'yotsuba-b',
		codeTheme: 'ir-black',
		sfw: false, //safe for work board
		lockMode: 0, //board lock mode
		fileR9KMode: 0, //enfore unique files, 0=off, 1=per thread, 2=whole board
		messageR9KMode: 0, //enforce unique message, 0=off, 1=per thread, 2=whole board
		unlistedLocal: false, //board hidden from on-site board list and frontpage
		unlistedWebring: false, //board hidden from webring
		captchaMode: 0, //0=disabled, 1=for threads, 2=for all posts
		tphTrigger: 10, //numebr of threads in an hour before trigger action is activated
		pphTrigger: 50, //number of posts in an hour before ^
		//0=none, 1=captcha enable for threads, 2=captcha enable for all posts, 3=lock board
		tphTriggerAction: 1,
		pphTriggerAction: 2,
		//0=dont change, 1=unlock board/disable captcha, 2=lock thread creation/enable captcha for thread creation
		captchaReset: 0,
		lockReset: 0,
		forceAnon: false, //disable name and subject, only allow sage email
		sageOnlyEmail: false, //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
		geoFlags: false, //show geo flags, requires nginx setup
		customFlags: false, //show custom flags
		enableTegaki: true,
		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
		reverseImageSearchLinks: false, //show imgops or similar
		archiveLinks: false, //show external archive link
		threadLimit: 200,
		replyLimit: 1000,
		bumpLimit: 500,
		maxFiles: 5,
		forceReplyMessage: false,
		forceReplyFile: false,
		forceThreadMessage: false,
		forceThreadFile: false,
		forceThreadSubject: false,
		disableReplySubject: false,
		hideBanners: false,
		minThreadMessageLength: 0,
		minReplyMessageLength: 0,
		maxThreadMessageLength: 20000,
		maxReplyMessageLength: 20000,
		defaultName: 'Anon',
		customCSS: null,
		blockedCountries: [], //2 char ISO country codes to block
		disableAnonymizerFilePosting: false,
		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
		deleteProtectionAge: 0, //prevent non-staff OP from deleting their thread if it older than this age in ms
		deleteProtectionCount: 0, //prevent non-staff op deleting their thread if it has more than this many replies
		strictFiltering: false,
		announcement: {
			raw: null,
			markdown: null
		},
		allowedFileTypes: { //enable different types of files to be posted
			animatedImage: true,
			image: true,
			video: true,
			audio: true,
			other: false
		}
	},

	following: [],
	blacklist: [],
	logo: [],
	proxy: {
		enabled: false,
		address: ''
	}


};