const mixin = require("mixin-deep")

// Configuration is in the following block.

let constants = {
	extra_inv_instances: [],
	// The default user settings. Should be self-explanatory.
	user_settings: {
		instance: {
			type: "string",
			default: "http://localhost:3000"
		},
		theme: {
			type: "integer",
			default: 0
		},
		save_history: {
			type: "boolean",
			default: false
		},
		local: {
			type: "integer",
			default: 0
		},
		autoHD: {
			type: "boolean",
			default: 1
		},
		quality: {
			type: "integer",
			default: 0
		},
		recommended_mode: {
			type: "integer",
			default: 0
		},
		dearrow: {
			type: "integer",
			default: 1
		},
		dearrow_thumbnail_instance: {
			type: "string",
			default: "https://dearrow-thumb.ajay.app"
		},
		dearrow_preload: {
			type: "boolean",
			default: 0
		},
		sponsorblock: {
			type: "boolean",
			default: 1
		},
		sponsorblock_keybind: {
			type: "string",
			default: "b"
		},
		sponsorblock_sponsor: {
			type: "integer",
			default: 0
		},
		sponsorblock_selfpromo: {
			type: "integer",
			default: 0
		},
		sponsorblock_interaction: {
			type: "integer",
			default: 0
		},
		sponsorblock_intro: {
			type: "integer",
			default: 2
		},
		sponsorblock_outro: {
			type: "integer",
			default: 2
		},
		sponsorblock_preview: {
			type: "integer",
			default: 2
		},
		sponsorblock_music_offtopic: {
			type: "integer",
			default: 0
		},
		sponsorblock_filler: {
			type: "integer",
			default: 2
		}
	},

	// Settings for the server to use internally.
	server_setup: {
		// The URL of the local NewLeaf instance, which is always used for subscription updates.
		local_instance_origin: "http://localhost:3000",
		// Whether users may filter videos by regular expressions. Unlike square patterns, regular expressions are _not_ bounded in complexity, so this can be used for denial of service attacks. Only enable if this is a private instance and you trust all the members.
		allow_regexp_filters: false,
		// Audio narration on the "can't think" page. `null` to disable narration, or a URL to enable with that audio file.
		// cant_think_narration_url: null,

		// Download cache related vars.
		//   - Eir
		video_cache_max_size: (1024*1024*1024) * 10,
		cache_json_max_size: (1024*1024) * 128,
		time_between_cache_save_to_disk: (1000*60) * 12,
		time_between_cache_cleanup: (1000*60) * 45,
		time_before_ogg_delete: (1000*60) * 5,
		download_queue_threads: 3,
		video_dl_path: "cache/assets",
		ogg_dl_path: "cache/assets/temp",
		json_cache_path: "cache/json",
		ytdlp_cache_path: "cache/ytdlp",
		video_hq_preload_max_time: 60 * 255,
		ratelimiting: {
			enabled: true,
			max_bucket_size: 10,
			bucket_refill_rate_seconds: 60
		}
	},

	// ***                                                 ***
	// *** You shouldn't change anything below this point. ***
	// ***                                                 ***

	// Various caching timers.
	caching: {
		csrf_time: 4*60*60*1000,
		seen_token_subscriptions_eligible: 40*60*60*1000,
		subscriptions_refresh_loop_min: 5*60*1000,
		subscriptions_refesh_fake_not_found_cooldown: 10*60*1000,
	},

	// Pattern matching.
	regex: {
		ucid: "[A-Za-z0-9-_]+",
		video_id: "[A-Za-z0-9-_]{11,}"
	},

	// State symbols.
	symbols: {
		refresher: {
			ACTIVE: Symbol("ACTIVE"),
			WAITING: Symbol("WAITING"),
			EMPTY: Symbol("EMPTY")
		}
	}
}

try {
	const overrides = require("../config/config.js")
	constants = mixin(constants, overrides)
} catch (e) {
	console.error("Missing config file /config/config.js\nDocumentation: https://git.sr.ht/~cadence/tube-docs/tree/main/item/docs")
	process.exit(1)
}

module.exports = constants