import type { Boom } from '@hapi/boom'
import { proto } from '../../WAProto'
import type { AuthenticationCreds } from './Auth'
import type { WACallEvent } from './Call'
import type { Chat, ChatUpdate, PresenceData } from './Chat'
import type { Contact } from './Contact'
import type { GroupMetadata, ParticipantAction, RequestJoinAction, RequestJoinMethod } from './GroupMetadata'
import type { Label } from './Label'
import type { LabelAssociation } from './LabelAssociation'
import type { MessageUpsertType, MessageUserReceiptUpdate, WAMessage, WAMessageKey, WAMessageUpdate } from './Message'
import type { ConnectionState } from './State'

// TODO: refactor this mess
export type BaileysEventMap = {
	/** connection state has been updated -- WS closed, opened, connecting etc. */
	'connection.update': Partial<ConnectionState>
	/** credentials updated -- some metadata, keys or something */
	'creds.update': Partial<AuthenticationCreds>
	/** set chats (history sync), everything is reverse chronologically sorted */
	'messaging-history.set': {
		chats: Chat[]
		contacts: Contact[]
		messages: WAMessage[]
		isLatest?: boolean
		progress?: number | null
		syncType?: proto.HistorySync.HistorySyncType
		peerDataRequestSessionId?: string | null
	}
	/** upsert chats */
	'chats.upsert': Chat[]
	/** update the given chats */
	'chats.update': ChatUpdate[]
	'chats.phoneNumberShare': { lid: string; jid: string }
	/** delete chats with given ID */
	'chats.delete': string[]
	/** presence of contact in a chat updated */
	'presence.update': { id: string; presences: { [participant: string]: PresenceData } }

	'contacts.upsert': Contact[]
	'contacts.update': Partial<Contact>[]

	'messages.delete': { keys: WAMessageKey[] } | { jid: string; all: true }
	'messages.update': WAMessageUpdate[]
	'messages.media-update': { key: WAMessageKey; media?: { ciphertext: Uint8Array; iv: Uint8Array }; error?: Boom }[]
	/**
	 * add/update the given messages. If they were received while the connection was online,
	 * the update will have type: "notify"
	 * if requestId is provided, then the messages was received from the phone due to it being unavailable
	 *  */
	'messages.upsert': { messages: WAMessage[]; type: MessageUpsertType; requestId?: string }
	/** message was reacted to. If reaction was removed -- then "reaction.text" will be falsey */
	'messages.reaction': { key: WAMessageKey; reaction: proto.IReaction }[]

	'message-receipt.update': MessageUserReceiptUpdate[]

	'groups.upsert': GroupMetadata[]
	'groups.update': Partial<GroupMetadata>[]
	/** apply an action to participants in a group */
	'group-participants.update': { id: string; author: string; participants: string[]; action: ParticipantAction }
	'group.join-request': {
		id: string
		author: string
		participant: string
		action: RequestJoinAction
		method: RequestJoinMethod
	}

	'blocklist.set': { blocklist: string[] }
	'blocklist.update': { blocklist: string[]; type: 'add' | 'remove' }

	/** Receive an update on a call, including when the call was received, rejected, accepted */
	call: WACallEvent[]
	'labels.edit': Label
	'labels.association': { association: LabelAssociation; type: 'add' | 'remove' }

	/** Newsletter-related events */
	'newsletter.reaction': {
		id: string
		server_id: string
		reaction: { code?: string; count?: number; removed?: boolean }
	}
	'newsletter.view': { id: string; server_id: string; count: number }
	'newsletter-participants.update': { id: string; author: string; user: string; new_role: string; action: string }
	'newsletter-settings.update': { id: string; update: any }
}

export type BufferedEventData = {
	historySets: {
		chats: { [jid: string]: Chat }
		contacts: { [jid: string]: Contact }
		messages: { [uqId: string]: WAMessage }
		empty: boolean
		isLatest: boolean
		progress?: number | null
		syncType?: proto.HistorySync.HistorySyncType
		peerDataRequestSessionId?: string
	}
	chatUpserts: { [jid: string]: Chat }
	chatUpdates: { [jid: string]: ChatUpdate }
	chatDeletes: Set<string>
	contactUpserts: { [jid: string]: Contact }
	contactUpdates: { [jid: string]: Partial<Contact> }
	messageUpserts: { [key: string]: { type: MessageUpsertType; message: WAMessage } }
	messageUpdates: { [key: string]: WAMessageUpdate }
	messageDeletes: { [key: string]: WAMessageKey }
	messageReactions: { [key: string]: { key: WAMessageKey; reactions: proto.IReaction[] } }
	messageReceipts: { [key: string]: { key: WAMessageKey; userReceipt: proto.IUserReceipt[] } }
	groupUpdates: { [jid: string]: Partial<GroupMetadata> }
}

export type BaileysEvent = keyof BaileysEventMap

export interface BaileysEventEmitter {
	on<T extends keyof BaileysEventMap>(event: T, listener: (arg: BaileysEventMap[T]) => void): void
	off<T extends keyof BaileysEventMap>(event: T, listener: (arg: BaileysEventMap[T]) => void): void
	removeAllListeners<T extends keyof BaileysEventMap>(event: T): void
	emit<T extends keyof BaileysEventMap>(event: T, arg: BaileysEventMap[T]): boolean
}
