import type {
	IDataObject,
	IExecuteFunctions,
	IExecuteSingleFunctions,
	ILoadOptionsFunctions,
	IPollFunctions,
	JsonObject,
} from 'n8n-workflow';
import { ApplicationError, jsonParse, NodeApiError } from 'n8n-workflow';

export const messageFields = [
	'bccRecipients',
	'body',
	'bodyPreview',
	'categories',
	'ccRecipients',
	'changeKey',
	'conversationId',
	'createdDateTime',
	'flag',
	'from',
	'hasAttachments',
	'importance',
	'inferenceClassification',
	'internetMessageId',
	'isDeliveryReceiptRequested',
	'isDraft',
	'isRead',
	'isReadReceiptRequested',
	'lastModifiedDateTime',
	'parentFolderId',
	'receivedDateTime',
	'replyTo',
	'sender',
	'sentDateTime',
	'subject',
	'toRecipients',
	'webLink',
].map((field) => ({ name: field, value: field }));

export const eventfields = [
	'allowNewTimeProposals',
	'attendees',
	'body',
	'bodyPreview',
	'categories',
	'changeKey',
	'createdDateTime',
	'end',
	'hasAttachments',
	'hideAttendees',
	'iCalUId',
	'importance',
	'isAllDay',
	'isCancelled',
	'isDraft',
	'isOnlineMeeting',
	'isOrganizer',
	'isReminderOn',
	'lastModifiedDateTime',
	'location',
	'locations',
	'onlineMeeting',
	'onlineMeetingProvider',
	'onlineMeetingUrl',
	'organizer',
	'originalEndTimeZone',
	'originalStartTimeZone',
	'recurrence',
	'reminderMinutesBeforeStart',
	'responseRequested',
	'responseStatus',
	'sensitivity',
	'seriesMasterId',
	'showAs',
	'start',
	'subject',
	'transactionId',
	'type',
	'webLink',
].map((field) => ({ name: field, value: field }));

export const contactFields = [
	'createdDateTime',
	'lastModifiedDateTime',
	'changeKey',
	'categories',
	'parentFolderId',
	'birthday',
	'fileAs',
	'displayName',
	'givenName',
	'initials',
	'middleName',
	'nickName',
	'surname',
	'title',
	'yomiGivenName',
	'yomiSurname',
	'yomiCompanyName',
	'generation',
	'imAddresses',
	'jobTitle',
	'companyName',
	'department',
	'officeLocation',
	'profession',
	'businessHomePage',
	'assistantName',
	'manager',
	'homePhones',
	'mobilePhone',
	'businessPhones',
	'spouseName',
	'personalNotes',
	'children',
	'emailAddresses',
	'homeAddress',
	'businessAddress',
	'otherAddress',
].map((field) => ({ name: field, value: field }));

export function makeRecipient(email: string) {
	return {
		emailAddress: {
			address: email,
		},
	};
}

export function createMessage(fields: IDataObject) {
	const message: IDataObject = {};

	// Create body object
	if (fields.bodyContent || fields.bodyContentType) {
		const bodyObject = {
			content: fields.bodyContent,
			contentType: fields.bodyContentType,
		};

		message.body = bodyObject;
		delete fields.bodyContent;
		delete fields.bodyContentType;
	}

	// Handle custom headers
	if (
		'internetMessageHeaders' in fields &&
		'headers' in (fields.internetMessageHeaders as IDataObject)
	) {
		fields.internetMessageHeaders = (fields.internetMessageHeaders as IDataObject).headers;
	}

	for (const [key, value] of Object.entries(fields)) {
		if (['bccRecipients', 'ccRecipients', 'replyTo', 'sender', 'toRecipients'].includes(key)) {
			if (Array.isArray(value)) {
				message[key] = (value as string[]).map((email) => makeRecipient(email));
			} else if (typeof value === 'string') {
				message[key] = value.split(',').map((recipient: string) => makeRecipient(recipient.trim()));
			} else {
				throw new ApplicationError(`The "${key}" field must be a string or an array of strings`, {
					level: 'warning',
				});
			}
			continue;
		}

		if (['from', 'sender'].includes(key)) {
			if (value) {
				message[key] = makeRecipient(value as string);
			}
			continue;
		}

		message[key] = value;
	}

	return message;
}

export function simplifyOutputMessages(data: IDataObject[]) {
	return data.map((item: IDataObject) => {
		return {
			id: item.id,
			conversationId: item.conversationId,
			subject: item.subject,
			bodyPreview: item.bodyPreview,
			from: ((item.from as IDataObject)?.emailAddress as IDataObject)?.address,
			to: (item.toRecipients as IDataObject[]).map(
				(recipient: IDataObject) => (recipient.emailAddress as IDataObject)?.address,
			),
			categories: item.categories,
			hasAttachments: item.hasAttachments,
		};
	});
}

export function prepareContactFields(fields: IDataObject) {
	const returnData: IDataObject = {};

	const typeStringCollection = [
		'businessPhones',
		'categories',
		'children',
		'homePhones',
		'imAddresses',
	];
	const typeValuesToExtract = ['businessAddress', 'emailAddresses', 'homePhones', 'otherAddress'];

	for (const [key, value] of Object.entries(fields)) {
		if (value === undefined || value === '') {
			continue;
		}

		if (typeStringCollection.includes(key) && !Array.isArray(value)) {
			returnData[key] = (value as string).split(',').map((item) => item.trim());
			continue;
		}

		if (typeValuesToExtract.includes(key)) {
			if ((value as IDataObject).values === undefined) continue;
			returnData[key] = (value as IDataObject).values;
			continue;
		}

		returnData[key] = value;
	}

	return returnData;
}

export function prepareEventFields(fields: IDataObject): IDataObject {
	const result = { ...fields };

	if (result.location) {
		result.location = { displayName: result.location };
	}

	if (result.attendees) {
		const attendeeEntries = ((result.attendees as IDataObject).values as IDataObject[]) ?? [];
		result.attendees = attendeeEntries.map((entry) => ({
			emailAddress: {
				address: entry.email,
				...(entry.name ? { name: entry.name } : {}),
			},
			type: entry.type,
		}));
	}

	return result;
}

export function prepareFilterString(filters: IDataObject) {
	const selectedFilters = filters.filters as IDataObject;
	const filterString: string[] = [];

	if (selectedFilters.foldersToInclude) {
		const folders = (selectedFilters.foldersToInclude as string[])
			.filter((folder) => folder !== '')
			.map((folder) => `parentFolderId eq '${folder}'`)
			.join(' or ');

		filterString.push(`(${folders})`);
	}

	if (selectedFilters.foldersToExclude) {
		for (const folder of selectedFilters.foldersToExclude as string[]) {
			filterString.push(`parentFolderId ne '${folder}'`);
		}
	}

	if (selectedFilters.sender) {
		const sender = selectedFilters.sender as string;
		const byMailAddress = `from/emailAddress/address eq '${sender}'`;
		const byName = `from/emailAddress/name eq '${sender}'`;
		filterString.push(`(${byMailAddress} or ${byName})`);
	}

	if (selectedFilters.hasAttachments) {
		filterString.push(`hasAttachments eq ${selectedFilters.hasAttachments}`);
	}

	if (selectedFilters.readStatus && selectedFilters.readStatus !== 'both') {
		filterString.push(`isRead eq ${selectedFilters.readStatus === 'read'}`);
	}

	if (selectedFilters.receivedAfter) {
		filterString.push(`receivedDateTime ge ${selectedFilters.receivedAfter}`);
	}

	if (selectedFilters.receivedBefore) {
		filterString.push(`receivedDateTime le ${selectedFilters.receivedBefore}`);
	}

	if (selectedFilters.custom) {
		filterString.push(selectedFilters.custom as string);
	}

	return filterString.length ? filterString.join(' and ') : undefined;
}

export function prepareApiError(
	this: IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions | IPollFunctions,
	error: IDataObject,
	itemIndex = 0,
) {
	const [httpCode, err, message] = (error.description as string).split(' - ');
	const json = jsonParse(err);
	return new NodeApiError(this.getNode(), json as JsonObject, {
		itemIndex,
		httpCode,
		//In UI we are replacing some of the field names to make them more user friendly, updating error message to reflect that
		message: message
			.replace(/toRecipients/g, 'toRecipients (To)')
			.replace(/bodyContent/g, 'bodyContent (Message)')
			.replace(/bodyContentType/g, 'bodyContentType (Message Type)'),
	});
}

export const encodeOutlookId = (id: string) => {
	return id.replace(/-/g, '%2F').replace(/=/g, '%3D').replace(/\+/g, '%2B');
};

export const decodeOutlookId = (id: string) => {
	return id.replace(/%2F/g, '-').replace(/%3D/g, '=').replace(/%2B/g, '+');
};