import { type MessageStructure, Transformers } from '../../client/transformers';
import type { UsingClient } from '../../commands';
import { type ObjectToLower, type OmitInsert, toCamelCase } from '../../common';
import type {
	GatewayMessageCreateDispatchData,
	GatewayMessageDeleteBulkDispatchData,
	GatewayMessageDeleteDispatchData,
	GatewayMessagePollVoteDispatchData,
	GatewayMessageReactionAddDispatchData,
	GatewayMessageReactionRemoveAllDispatchData,
	GatewayMessageReactionRemoveDispatchData,
	GatewayMessageReactionRemoveEmojiDispatchData,
	GatewayMessageUpdateDispatchData,
} from '../../types';

export const MESSAGE_CREATE = (self: UsingClient, data: GatewayMessageCreateDispatchData) => {
	return Transformers.Message(self, data);
};

export const MESSAGE_DELETE = async (
	self: UsingClient,
	data: GatewayMessageDeleteDispatchData,
): Promise<MessageStructure | ObjectToLower<GatewayMessageDeleteDispatchData>> => {
	return (await self.cache.messages?.get(data.id)) ?? toCamelCase(data);
};

export const MESSAGE_DELETE_BULK = async (self: UsingClient, data: GatewayMessageDeleteBulkDispatchData) => {
	return {
		...data,
		messages: await Promise.all(data.ids.map(id => self.cache.messages?.get(id))),
	};
};

export const MESSAGE_REACTION_ADD = (_self: UsingClient, data: GatewayMessageReactionAddDispatchData) => {
	return toCamelCase(data);
};

export const MESSAGE_REACTION_REMOVE = (_self: UsingClient, data: GatewayMessageReactionRemoveDispatchData) => {
	return toCamelCase(data);
};

export const MESSAGE_REACTION_REMOVE_ALL = (_self: UsingClient, data: GatewayMessageReactionRemoveAllDispatchData) => {
	return toCamelCase(data);
};

export const MESSAGE_REACTION_REMOVE_EMOJI = (
	_self: UsingClient,
	data: GatewayMessageReactionRemoveEmojiDispatchData,
) => {
	return toCamelCase(data);
};

export const MESSAGE_UPDATE = async (
	self: UsingClient,
	data: GatewayMessageUpdateDispatchData,
): Promise<[message: OmitInsert<MessageStructure, 'tts', { tts: false }>, old: undefined | MessageStructure]> => {
	return [Transformers.Message(self, data) as any, await self.cache.messages?.get(data.id)];
};

export const MESSAGE_POLL_VOTE_REMOVE = (_: UsingClient, data: GatewayMessagePollVoteDispatchData) => {
	return toCamelCase(data);
};