1 files changed, 154 insertions, 0 deletions
diff --git a/src/hypixelApi.ts b/src/hypixelApi.ts
new file mode 100644
index 0000000..e91d4f5
--- /dev/null
+++ b/src/hypixelApi.ts
@@ -0,0 +1,154 @@
+import fetch from 'node-fetch'
+import { jsonToQuery, shuffle } from './util'
+import { Agent } from 'https'
+require('dotenv').config()
+
+// We need to create an agent to prevent memory leaks and to only do dns lookups once
+const httpsAgent = new Agent({
+	keepAlive: true
+})
+
+/* Lower level code related to the Hypixel api */
+
+const apiKeys = process.env.keys.split(' ')
+
+interface KeyUsage {
+	remaining: number
+	limit: number
+	reset: number
+}
+
+const apiKeyUsage: { [ key: string ]: KeyUsage } = {}
+
+
+const baseHypixelAPI = 'https://api.hypixel.net'
+
+/** Choose the best current API key */
+export function chooseApiKey(): string {
+	// find the api key with the lowest amount of uses
+	let bestKeyUsage: KeyUsage = null
+	let bestKey: string = null
+	for (var key of shuffle(apiKeys)) {
+		const keyUsage = apiKeyUsage[key]
+
+		// if the key has never been used before, use it
+		if (!keyUsage) return key
+
+		// if the key has reset since the last use, set the remaining count to the default
+		if (Date.now() > keyUsage.reset)
+			keyUsage.remaining = keyUsage.limit
+
+		// if this key has more uses remaining than the current known best one, save it
+		if (!bestKeyUsage || keyUsage.remaining > bestKeyUsage.remaining) {
+			bestKeyUsage = keyUsage
+			bestKey = key
+		}
+	}
+	return bestKey
+}
+
+export interface HypixelResponse {
+	[key: string]: any | {
+        success: boolean
+        throttled?: boolean
+    }
+}
+
+
+export interface HypixelPlayerStatsSkyBlockProfiles {
+	[ uuid: string ]: {
+		profile_id: string
+		cute_name: string
+	}
+}
+
+interface HypixelPlayerStatsSkyBlock {
+	profiles: HypixelPlayerStatsSkyBlockProfiles
+}
+
+export interface HypixelPlayerSocialMedia {
+	YOUTUBE?: string
+	prompt: boolean
+	links: {
+		DISCORD?: string
+		HYPIXEL?: string
+	}
+}
+
+export interface HypixelPlayer {
+	_id: string
+	achievementsOneTime: string[]
+	displayname: string
+
+	firstLogin: number,
+	lastLogin: number,
+	lastLogout: number
+
+	knownAliases: string[],
+	knownAliasesLower: string[]
+
+	networkExp: number
+	playername: string
+	stats: {
+		SkyBlock: HypixelPlayerStatsSkyBlock
+		[ name: string ]: any
+	},
+	timePlaying: number,
+	uuid: string,
+	achievements: { [ name: string ]: number },
+	petConsumables: { [ name: string ]: number },
+	vanityMeta: {
+		packages: string[]
+	},
+
+	language: string,
+	userLanguage?: string
+
+	packageRank?: string
+	newPackageRank?: string
+	rankPlusColor?: string
+	monthlyPackageRank?: string
+	rank?: string
+	prefix?: string
+
+	claimed_potato_talisman?: number
+	skyblock_free_cookie?: number
+
+	socialMedia?: HypixelPlayerSocialMedia
+}
+
+
+/** Send an HTTP request to the Hypixel API */
+export async function sendApiRequest({ path, key, args }): Promise<HypixelResponse> {
+	console.log('sending api request to', path, args)
+	// Send a raw http request to api.hypixel.net, and return the parsed json
+
+	if (key)
+		// If there's an api key, add it to the arguments
+		args.key = key
+
+	// Construct a url from the base api url, path, and arguments
+	const fetchUrl = baseHypixelAPI + '/' + path + '?' + jsonToQuery(args)
+
+	const fetchResponse = await fetch(
+		fetchUrl,
+		{ agent: () => httpsAgent }
+	)
+
+	if (fetchResponse.headers['ratelimit-limit'])
+		// remember how many uses it has
+		apiKeyUsage[key] = {
+			remaining: fetchResponse.headers['ratelimit-remaining'],
+			limit: fetchResponse.headers['ratelimit-limit'],
+			reset: Date.now() + parseInt(fetchResponse.headers['ratelimit-reset']) * 1000
+		}
+	
+	const fetchJsonParsed = await fetchResponse.json()
+	if (fetchJsonParsed.throttle) {
+		apiKeyUsage[key].remaining = 0
+		console.log('throttled :(')
+		return { throttled: true }
+	}
+	return fetchJsonParsed
+}
+