const MessageModel = require('../model/message');
const UserModel = require('../model/user');
const ChatModel = require('../model/chat');
const fs = require('fs').promises;
const s3 = require('../helpers/aws');
const AWS_BUCKET_NAME = process.env.AWS_BUCKET_NAME;
require('dotenv').config();

const listMessages = async (req, res, next) => {
	try {
		const userId = req.user.id;
		const messages = await MessageModel.getList({ owner: userId }, req.query);
		return res.json({
			status: 'success',
			code: 200,
			data: messages,
		});
	} catch (e) {
		next(e);
	}
};

const listMessagesById = async (req, res, next) => {
	try {
		const userId = req.user.id;
		const companionId = req.params.companionId;
		const messages = await MessageModel.getList(
			{ owner: userId, companionId },
			{}
		);
		return res.json({
			status: 'success',
			code: 200,
			data: messages,
		});
	} catch (e) {
		next(e);
	}
};

const updateMessageEmoji = async (req, res, next) => {
	try {
		const id = req.params.id;
		const userId = req.user.id;
		const { emoji } = req.body;

		const userMessage = await MessageModel.updateMessage(id, userId, { emoji });
		await MessageModel.findByFieldsAndUpdate(
			userId,
			userMessage.idTime,
			userMessage.companionId,
			{
				emojiCompanion: emoji,
			}
		);
		return res.status(200).json({
			status: 'success',
			code: 200,
			data: {},
		});
	} catch (e) {
		next(e);
	}
};

const updateMessagePin = async (req, res, next) => {
	try {
		const id = req.params.id;
		const userId = req.user.id;
		const { pinned } = req.body;
		const userMessage = await MessageModel.updateMessage(id, userId, {
			pinned,
		});
		await MessageModel.findByFieldsAndUpdate(
			userId,
			userMessage.idTime,
			userMessage.companionId,
			{
				pinned,
			}
		);
		return res.status(200).json({
			status: 'success',
			code: 200,
			data: {},
		});
	} catch (e) {
		next(e);
	}
};

const unpinAllMessage = async (req, res, next) => {
	try {
		const userId = req.user.id;
		const pinnedMessages = req.body.pinnedMessages;
		pinnedMessages.forEach(async (id) => {
			const userMessage = await MessageModel.updateMessage(id, userId, {
				pinned: false,
			});
			await MessageModel.findByFieldsAndUpdate(
				userId,
				userMessage.idTime,
				userMessage.companionId,
				{
					pinned: false,
				}
			);
		});
		return res.status(200).json({
			status: 'success',
			code: 200,
			data: {},
		});
	} catch (e) {
		next(e);
	}
};

const removeMessage = async (req, res, next) => {
	try {
		const id = req.params.id;
		const userId = req.user.id;
		const userMessage = await MessageModel.remove(id, userId);
		await MessageModel.findByFieldsAndUpdateMany(
			userMessage.companionId,
			id,
			userId,
			{
				replyMessage: null,
				replyName: null,
				replyLastName: null,
				replyCaption: null,
				oldId: null,
			}
		);
		const companionMessage = await MessageModel.findByFields(
			userId,
			userMessage.idTime,
			userMessage.companionId
		);
		await MessageModel.removeByFields(
			userId,
			userMessage.idTime,
			userMessage.companionId
		);
		await MessageModel.findByFieldsAndUpdateMany(
			userId,
			companionMessage._id,
			userMessage.companionId,
			{
				replyMessage: null,
				replyName: null,
				replyLastName: null,
				replyCaption: null,
				oldId: null,
			}
		);
		if (userMessage.type !== 'text') {
			const params = {
				Bucket: AWS_BUCKET_NAME,
				Key: `${userMessage.message}`,
			};
			s3.deleteObject(params, async function (err, _data) {
				if (err) throw err;
			});
		}

		const isChat = await ChatModel.getByField(userMessage.companionId, userId);
		const isCompanionChat = await ChatModel.getByField(
			userId,
			userMessage.companionId
		);
		const { total } = await MessageModel.getList(
			{ owner: userId, companionId: userMessage.companionId },
			{}
		);
		const { total: Total } = await MessageModel.getList(
			{ owner: userMessage.companionId, companionId: userId },
			{}
		);
		const seenCalculate = (seen, total) => {
			if (seen <= total) {
				return seen;
			} else {
				return total;
			}
		};
		await ChatModel.update(isChat._id, userId, {
			total: total,
			seen: seenCalculate(isChat.seen, total),
			seenCompanion: seenCalculate(isChat.seenCompanion, total),
		});
		await ChatModel.update(isCompanionChat._id, userMessage.companionId, {
			total: Total,
			seen: seenCalculate(isCompanionChat.seen, Total),
			seenCompanion: seenCalculate(isCompanionChat.seenCompanion, Total),
		});
		return res.json({
			status: 'success',
			code: 200,
			data: {},
		});
	} catch (e) {
		next(e);
	}
};

const removeSelected = async (req, res, next) => {
	try {
		const userId = req.user.id;
		const { selectedArr, companionId } = req.body;
		const toDeleteMessage = async (id) => {
			const userMessage = await MessageModel.remove(id, userId);
			await MessageModel.findByFieldsAndUpdateMany(companionId, id, userId, {
				replyMessage: null,
				replyName: null,
				replyLastName: null,
				replyCaption: null,
				oldId: null,
			});
			const companionMessage = await MessageModel.findByFields(
				userId,
				userMessage.idTime,
				companionId
			);
			await MessageModel.findByFieldsAndUpdateMany(
				userId,
				companionMessage._id,
				companionId,
				{
					replyMessage: null,
					replyName: null,
					replyLastName: null,
					replyCaption: null,
					oldId: null,
				}
			);
			await MessageModel.removeByFields(
				userId,
				userMessage.idTime,
				companionId
			);
			if (userMessage.type !== 'text') {
				const params = {
					Bucket: AWS_BUCKET_NAME,
					Key: `${userMessage.message}`,
				};
				s3.deleteObject(params, async function (err, _data) {
					if (err) throw err;
				});
			}
		};
		await selectedArr.forEach(async (id) => await toDeleteMessage(id));
		const isChat = await ChatModel.getByField(companionId, userId);
		const isCompanionChat = await ChatModel.getByField(userId, companionId);
		const { total } = await MessageModel.getList(
			{ owner: userId, companionId },
			{}
		);
		const { total: Total } = await MessageModel.getList(
			{ owner: companionId, companionId: userId },
			{}
		);
		const seenCalculate = (seen, total) => {
			if (seen <= total) {
				return seen;
			} else {
				return total;
			}
		};
		await ChatModel.update(isChat._id, userId, {
			total: total,
			seen: seenCalculate(isChat.seen, total),
			seenCompanion: seenCalculate(isChat.seenCompanion, total),
		});
		await ChatModel.update(isCompanionChat._id, companionId, {
			total: Total,
			seen: seenCalculate(isCompanionChat.seen, Total),
			seenCompanion: seenCalculate(isCompanionChat.seenCompanion, Total),
		});
		return res.json({
			status: 'success',
			code: 200,
			data: {},
		});
	} catch (e) {
		next(e);
	}
};

const sentMessage = async (req, res, next) => {
	try {
		const { id, message, caption } = req.body;
		const idTime = Math.round(Date.now() / 1000);
		const user = req.user;
		const userId = user.id;
		const companion = await UserModel.findById(id);
		const isChat = await ChatModel.getByField(id, userId);
		const isCompanionChat = await ChatModel.getByField(userId, id);
		const { name, lastName, avatarUrl, color, number } = user;

		if (companion && isChat && isCompanionChat) {
			const newMessage = await MessageModel.add({
				message,
				name,
				lastName,
				avatarUrl,
				color,
				number,
				type: 'text',
				caption,
				idTime,
				companionIdFlow: userId,
				companionId: id,
				owner: userId,
			});
			await MessageModel.add({
				message,
				name: isCompanionChat.name,
				lastName: isCompanionChat.lastName,
				avatarUrl,
				color,
				number,
				type: 'text',
				caption,
				idTime,
				companionIdFlow: userId,
				companionId: userId,
				owner: id,
			});
			const { total } = await MessageModel.getList(
				{ owner: userId, companionId: id },
				{}
			);
			await ChatModel.update(isChat._id, userId, {
				total,
				seen: total,
				watched: false,
				lastMessage: message,
				lastMessageCreatedAt: newMessage.createdAt,
			});
			const { total: Total } = await MessageModel.getList(
				{ owner: id, companionId: userId },
				{}
			);
			await ChatModel.update(isCompanionChat._id, id, {
				total: Total,
				seenCompanion: Total,
				lastMessage: message,
				lastMessageCreatedAt: newMessage.createdAt,
			});
			return res.status(201).json({
				status: 'success',
				code: 201,
				data: newMessage,
			});
		}
	} catch (e) {
		next(e);
	}
};

const sentMessageReply = async (req, res, next) => {
	try {
		const { id, message, caption } = req.body;
		const idTime = Math.round(Date.now() / 1000);
		const user = req.user;
		const userId = user.id;
		const userMessage = await MessageModel.getById(id, userId);
		const companionMessage = await MessageModel.findByFields(
			userId,
			userMessage.idTime,
			userMessage.companionId
		);
		const isChat = await ChatModel.getByField(userMessage.companionId, userId);
		const isCompanionChat = await ChatModel.getByField(
			userId,
			userMessage.companionId
		);
		if (isChat && isCompanionChat && userMessage && companionMessage) {
			const newMessage = await MessageModel.add({
				message,
				replyMessage: userMessage.message,
				name: user.name,
				lastName: user.lastName,
				replyName: userMessage.name,
				replyLastName: userMessage.lastName,
				avatarUrl: user.avatarUrl,
				color: user.color,
				number: user.number,
				type: 'text',
				fullType: userMessage.fullType,
				caption,
				replyCaption: userMessage.caption,
				idTime,
				oldId: id,
				companionIdFlow: userId,
				companionId: userMessage.companionId,
				owner: userId,
			});
			await MessageModel.add({
				message,
				replyMessage: companionMessage.message,
				name: isCompanionChat.name,
				lastName: isCompanionChat.lastName,
				replyName: companionMessage.name,
				replyLastName: companionMessage.lastName,
				avatarUrl: user.avatarUrl,
				color: user.color,
				number: user.number,
				type: 'text',
				fullType: companionMessage.fullType,
				caption,
				replyCaption: companionMessage.caption,
				idTime,
				oldId: companionMessage._id,
				companionIdFlow: userId,
				companionId: userId,
				owner: userMessage.companionId,
			});
			const { total } = await MessageModel.getList(
				{ owner: userId, companionId: userMessage.companionId },
				{}
			);
			await ChatModel.update(isChat._id, userId, {
				total,
				seen: total,
				watched: false,
				lastMessage: message,
				lastMessageCreatedAt: newMessage.createdAt,
			});
			const { total: Total } = await MessageModel.getList(
				{ owner: userMessage.companionId, companionId: userId },
				{}
			);
			await ChatModel.update(isCompanionChat._id, userMessage.companionId, {
				total: Total,
				seenCompanion: Total,
				lastMessage: message,
				lastMessageCreatedAt: newMessage.createdAt,
			});
			return res.status(201).json({
				status: 'success',
				code: 201,
				data: newMessage,
			});
		}
	} catch (e) {
		next(e);
	}
};

const sentMessageForward = async (req, res, next) => {
	try {
		const { id, companionIdForwardToAndFrom, message, caption } = req.body;
		const idTime = Math.round(Date.now() / 1000);
		const user = req.user;
		const userId = user.id;
		const userMessage = await MessageModel.getById(id, userId);
		const isChat = await ChatModel.getByField(
			companionIdForwardToAndFrom,
			userId
		);
		const companionMessage = await MessageModel.findByFields(
			userId,
			userMessage.idTime,
			userMessage.companionId
		);
		const isCompanionUser = await UserModel.findById(userMessage.companionId);
		const isForwardHasChatWithCompanion = await ChatModel.getByField(
			userMessage.companionId,
			companionIdForwardToAndFrom
		);
		const isForwardChat = await ChatModel.getByField(
			userId,
			companionIdForwardToAndFrom
		);
		if (
			userMessage &&
			isCompanionUser &&
			isChat &&
			isForwardChat &&
			companionMessage
		) {
			const newMessage = await MessageModel.add({
				message,
				caption,
				forwardMessage: userMessage.message,
				forwardCaption: userMessage.caption,
				name: user.name,
				lastName: user.lastName,
				avatarUrl: user.avatarUrl,
				color: user.color,
				number: user.number,
				type: 'text',
				fullType: userMessage.fullType,
				forwardName:
					user.number === userMessage.number ? user.name : isCompanionUser.name,
				forwardLastName:
					user.number === userMessage.number
						? user.lastName
						: isCompanionUser.lastName,
				oldId: userMessage._id,
				idTime,
				companionIdFlow: userId,
				companionIdForwardToAndFrom: userMessage.companionId,
				companionId: companionIdForwardToAndFrom,
				owner: userId,
			});
			await MessageModel.add({
				message,
				caption,
				forwardMessage: userMessage.message,
				forwardCaption: userMessage.caption,
				name: isForwardChat.name,
				lastName: isForwardChat.lastName,
				avatarUrl: user.avatarUrl,
				color: user.color,
				number: user.number,
				type: 'text',
				fullType: userMessage.fullType,
				forwardName:
					user.number === userMessage.number ? user.name : isCompanionUser.name,
				forwardLastName:
					user.number === userMessage.number
						? user.lastName
						: isCompanionUser.lastName,
				oldId: companionMessage._id,
				idTime,
				companionIdFlow: userId,
				companionId: userId,
				companionIdForwardToAndFrom: userMessage.companionId,
				owner: companionIdForwardToAndFrom,
			});
			const { total } = await MessageModel.getList(
				{ owner: userId, companionId: companionIdForwardToAndFrom },
				{}
			);
			await ChatModel.update(isChat._id, userId, {
				total,
				seen: total,
				watched: false,
				lastMessage: message,
				lastMessageCreatedAt: newMessage.createdAt,
			});
			const { total: Total } = await MessageModel.getList(
				{ owner: companionIdForwardToAndFrom, companionId: userId },
				{}
			);
			await ChatModel.update(isForwardChat._id, companionIdForwardToAndFrom, {
				total: Total,
				seenCompanion: Total,
				lastMessage: message,
				lastMessageCreatedAt: newMessage.createdAt,
			});
			return res.status(201).json({
				status: 'success',
				code: 201,
				data: newMessage,
			});
		}
	} catch (e) {
		next(e);
	}
};

const imageMessage = async (req, res, next) => {
	try {
		const userId = req.user.id;
		const [id, ...rest] = req.params.companionIdAndCaption.split(' ');
		const caption = rest.join(' ').slice(0, -1);
		const idTime = Math.round(Date.now() / 1000);
		const isChat = await ChatModel.getByField(id, userId);
		const isCompanionChat = await ChatModel.getByField(userId, id);
		const originalName = req.file.originalname;
		const pathToFile = req.file.path;
		const fullType = req.file.mimetype;
		const imgUrl = `${Math.round(Date.now() / 1000)}${userId}${originalName}`;
		const fileContent = await fs.readFile(pathToFile);
		const params = {
			Bucket: AWS_BUCKET_NAME,
			Key: `${imgUrl}`,
			Body: fileContent,
		};
		s3.upload(params, async (err, _data) => {
			if (err) throw err;
			fs.unlink(pathToFile);
		});
		if (isChat && isCompanionChat) {
			const { name, lastName, avatarUrl, color, number } = req.user;
			const newMessage = await MessageModel.add({
				message: imgUrl,
				name,
				lastName,
				avatarUrl,
				color,
				number,
				type: 'image',
				fullType,
				caption,
				idTime,
				companionIdFlow: userId,
				companionId: id,
				owner: userId,
			});
			await MessageModel.add({
				message: imgUrl,
				name: isCompanionChat.name,
				lastName: isCompanionChat.lastName,
				avatarUrl,
				color,
				number,
				type: 'image',
				fullType,
				caption,
				idTime,
				companionIdFlow: userId,
				companionId: userId,
				owner: id,
			});
			const { total } = await MessageModel.getList(
				{ owner: userId, companionId: id },
				{}
			);
			await ChatModel.update(isChat._id, userId, {
				total,
				seen: total,
				watched: false,
				lastMessage: imgUrl,
				lastMessageCreatedAt: newMessage.createdAt,
			});
			const { total: Total } = await MessageModel.getList(
				{ owner: id, companionId: userId },
				{}
			);
			await ChatModel.update(isCompanionChat._id, id, {
				total: Total,
				seenCompanion: Total,
				lastMessage: imgUrl,
				lastMessageCreatedAt: newMessage.createdAt,
			});
			return res.status(201).json({
				status: 'success',
				code: 201,
				data: newMessage,
			});
		}
	} catch (e) {
		next(e);
	}
};

const audioMessage = async (req, res, next) => {
	try {
		const userId = req.user.id;
		const [id, ...rest] = req.params.companionIdAndCaption.split(' ');
		let caption = rest.join(' ');
		if (caption.length === 1) caption.slice(0, -1);
		const idTime = Math.round(Date.now() / 1000);
		const isChat = await ChatModel.getByField(id, userId);
		const isCompanionChat = await ChatModel.getByField(userId, id);
		const originalName = req.file.originalname;
		const pathToFile = req.file.path;
		const fullType = req.file.mimetype;
		const audioUrl = `${Math.round(Date.now() / 1000)}${originalName}`;
		const fileContent = await fs.readFile(pathToFile);
		const params = {
			Bucket: AWS_BUCKET_NAME,
			Key: `${audioUrl}`,
			Body: fileContent,
		};
		s3.upload(params, async (err, _data) => {
			if (err) throw err;
			fs.unlink(pathToFile);
		});
		if (isChat && isCompanionChat) {
			const { name, lastName, avatarUrl, color, number } = req.user;
			const newMessage = await MessageModel.add({
				message: audioUrl,
				name,
				lastName,
				avatarUrl,
				color,
				number,
				type: 'audio',
				fullType,
				caption,
				idTime,
				companionIdFlow: userId,
				companionId: id,
				owner: userId,
			});
			await MessageModel.add({
				message: audioUrl,
				name: isCompanionChat.name,
				lastName: isCompanionChat.lastName,
				avatarUrl,
				color,
				number,
				type: 'audio',
				fullType,
				caption,
				idTime,
				companionIdFlow: userId,
				companionId: userId,
				owner: id,
			});
			const { total } = await MessageModel.getList(
				{ owner: userId, companionId: id },
				{}
			);
			await ChatModel.update(isChat._id, userId, {
				total,
				seen: total,
				watched: false,
				lastMessage: audioUrl,
				lastMessageCreatedAt: newMessage.createdAt,
			});
			const { total: Total } = await MessageModel.getList(
				{ owner: id, companionId: userId },
				{}
			);
			await ChatModel.update(isCompanionChat._id, id, {
				total: Total,
				seenCompanion: Total,
				lastMessage: audioUrl,
				lastMessageCreatedAt: newMessage.createdAt,
			});
			return res.status(201).json({
				status: 'success',
				code: 201,
				data: newMessage,
			});
		}
	} catch (e) {
		next(e);
	}
};

const videoMessage = async (req, res, next) => {
	try {
		const userId = req.user.id;
		const [id, ...rest] = req.params.companionIdAndCaption.split(' ');
		let caption = rest.join(' ');
		if (caption.length === 1) caption.slice(0, -1);
		const idTime = Math.round(Date.now() / 1000);
		const isChat = await ChatModel.getByField(id, userId);
		const isCompanionChat = await ChatModel.getByField(userId, id);
		const originalName = req.file.originalname;
		const pathToFile = req.file.path;
		const videoUrl = `${Math.round(Date.now() / 1000)}${originalName}`;
		const fullType = req.file.mimetype;
		const fileContent = await fs.readFile(pathToFile);
		const params = {
			Bucket: AWS_BUCKET_NAME,
			Key: `${videoUrl}`,
			Body: fileContent,
		};
		s3.upload(params, async (err, _data) => {
			if (err) throw err;
			fs.unlink(pathToFile);
		});
		if (isChat && isCompanionChat) {
			const { name, lastName, avatarUrl, color, number } = req.user;
			const newMessage = await MessageModel.add({
				message: videoUrl,
				name: isCompanionChat.name,
				lastName: isCompanionChat.lastName,
				avatarUrl,
				color,
				number,
				type: 'video',
				fullType,
				caption,
				idTime,
				companionIdFlow: userId,
				companionId: id,
				owner: userId,
			});
			await MessageModel.add({
				message: videoUrl,
				name,
				lastName,
				avatarUrl,
				color,
				number,
				type: 'video',
				fullType,
				caption,
				idTime,
				companionIdFlow: userId,
				companionId: userId,
				owner: id,
			});
			const { total } = await MessageModel.getList(
				{ owner: userId, companionId: id },
				{}
			);
			await ChatModel.update(isChat._id, userId, {
				total,
				seen: total,
				watched: false,
				lastMessage: videoUrl,
				lastMessageCreatedAt: newMessage.createdAt,
			});
			const { total: Total } = await MessageModel.getList(
				{ owner: id, companionId: userId },
				{}
			);
			await ChatModel.update(isCompanionChat._id, id, {
				total: Total,
				seenCompanion: Total,
				lastMessage: videoUrl,
				lastMessageCreatedAt: newMessage.createdAt,
			});
			return res.status(201).json({
				status: 'success',
				code: 201,
				data: newMessage,
			});
		}
	} catch (e) {
		next(e);
	}
};

const fileMessage = async (req, res, next) => {
	try {
		const userId = req.user.id;
		const [id, ...rest] = req.params.companionIdAndCaption.split(' ');
		let caption = rest.join(' ');
		if (caption.length === 1) caption.slice(0, -1);
		const idTime = Math.round(Date.now() / 1000);
		const isChat = await ChatModel.getByField(id, userId);
		const isCompanionChat = await ChatModel.getByField(userId, id);
		const pathToFile = req.file.path;
		const fullType = req.file.mimetype;
		let type;
		switch (fullType) {
			case 'application/pdf':
				type = 'pdf';
				break;
			case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':
				type = 'docx';
				break;
			case 'application/octet-stream':
				type = 'docx';
				break;
			default:
				break;
		}
		const fileUrl = `${Math.round(Date.now() / 1000)}file.${type}`;
		const fileContent = await fs.readFile(pathToFile);
		const params = {
			Bucket: AWS_BUCKET_NAME,
			Key: `${fileUrl}`,
			Body: fileContent,
		};
		s3.upload(params, async (err, _data) => {
			if (err) throw err;
			fs.unlink(pathToFile);
		});
		if (isChat && isCompanionChat) {
			const { name, lastName, avatarUrl, color, number } = req.user;
			const newMessage = await MessageModel.add({
				message: fileUrl,
				name,
				lastName,
				avatarUrl,
				color,
				number,
				type,
				fullType,
				caption,
				idTime,
				companionIdFlow: userId,
				companionId: id,
				owner: userId,
			});
			await MessageModel.add({
				message: fileUrl,
				name: isCompanionChat.name,
				lastName: isCompanionChat.lastName,
				avatarUrl,
				color,
				number,
				type,
				fullType,
				caption,
				idTime,
				companionIdFlow: userId,
				companionId: userId,
				owner: id,
			});
			const { total } = await MessageModel.getList(
				{ owner: userId, companionId: id },
				{}
			);
			await ChatModel.update(isChat._id, userId, {
				total,
				seen: total,
				watched: false,
				lastMessage: fileUrl,
				lastMessageCreatedAt: newMessage.createdAt,
			});
			const { total: Total } = await MessageModel.getList(
				{ owner: id, companionId: userId },
				{}
			);
			await ChatModel.update(isCompanionChat._id, id, {
				total: Total,
				seenCompanion: Total,
				lastMessage: fileUrl,
				lastMessageCreatedAt: newMessage.createdAt,
			});
			return res.status(201).json({
				status: 'success',
				code: 201,
				data: newMessage,
			});
		}
	} catch (e) {
		next(e);
	}
};

module.exports = {
	listMessages,
	removeMessage,
	removeSelected,
	updateMessageEmoji,
	updateMessagePin,
	unpinAllMessage,
	listMessagesById,
	sentMessage,
	sentMessageReply,
	sentMessageForward,
	imageMessage,
	audioMessage,
	videoMessage,
	fileMessage,
};