import { IExecuteFunctions } from 'n8n-core';

import {
	IDataObject,
	ILoadOptionsFunctions,
	INodeExecutionData,
	INodePropertyOptions,
	INodeType,
	INodeTypeDescription,
	NodeOperationError,
} from 'n8n-workflow';

import { getAttachemnts, webexApiRequest, webexApiRequestAllItems } from './GenericFunctions';

import {
	meetingFields,
	meetingOperations,
	// meetingTranscriptFields,
	// meetingTranscriptOperations,
	messageFields,
	messageOperations,
} from './descriptions';

import moment from 'moment-timezone';

export class CiscoWebex implements INodeType {
	description: INodeTypeDescription = {
		displayName: 'Webex by Cisco',
		name: 'ciscoWebex',
		// eslint-disable-next-line n8n-nodes-base/node-class-description-icon-not-svg
		icon: 'file:ciscoWebex.png',
		group: ['transform'],
		version: 1,
		subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}',
		description: 'Consume the Cisco Webex API',
		defaults: {
			name: 'Webex by Cisco',
		},
		credentials: [
			{
				name: 'ciscoWebexOAuth2Api',
				required: true,
			},
		],
		inputs: ['main'],
		outputs: ['main'],
		properties: [
			{
				displayName: 'Resource',
				name: 'resource',
				type: 'options',
				noDataExpression: true,
				options: [
					{
						name: 'Meeting',
						value: 'meeting',
					},
					// {
					// 	name: 'Meeeting Transcript',
					// 	value: 'meetingTranscript',
					// },
					{
						name: 'Message',
						value: 'message',
					},
				],
				default: 'message',
			},
			...meetingOperations,
			...meetingFields,
			// ...meetingTranscriptOperations,
			// ...meetingTranscriptFields,
			...messageOperations,
			...messageFields,
		],
	};

	methods = {
		loadOptions: {
			async getRooms(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
				const returnData: INodePropertyOptions[] = [];
				const rooms = await webexApiRequestAllItems.call(this, 'items', 'GET', '/rooms');
				for (const room of rooms) {
					returnData.push({
						name: room.title,
						value: room.id,
					});
				}
				return returnData;
			},
			async getSites(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
				const returnData: INodePropertyOptions[] = [];
				const sites = await webexApiRequestAllItems.call(
					this,
					'sites',
					'GET',
					'/meetingPreferences/sites',
				);
				for (const site of sites) {
					returnData.push({
						name: site.siteUrl,
						value: site.siteUrl,
					});
				}
				return returnData;
			},
		},
	};

	async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
		const items = this.getInputData();
		const returnData: INodeExecutionData[] = [];
		const timezone = this.getTimezone();
		const resource = this.getNodeParameter('resource', 0);
		const operation = this.getNodeParameter('operation', 0);

		let responseData;

		for (let i = 0; i < items.length; i++) {
			try {
				if (resource === 'message') {
					// **********************************************************************
					//                                message
					// **********************************************************************

					if (operation === 'create') {
						// ----------------------------------------
						//             message: create
						// ----------------------------------------

						// https://developer.webex.com/docs/api/v1/messages/create-a-message
						const destination = this.getNodeParameter('destination', i);
						const file = this.getNodeParameter(
							'additionalFields.fileUi.fileValue',
							i,
							{},
						) as IDataObject;
						const markdown = this.getNodeParameter('additionalFields.markdown', i, '') as boolean;
						const body = {} as IDataObject;
						if (destination === 'room') {
							body.roomId = this.getNodeParameter('roomId', i);
						}

						if (destination === 'person') {
							const specifyPersonBy = this.getNodeParameter('specifyPersonBy', 0) as string;
							if (specifyPersonBy === 'id') {
								body.toPersonId = this.getNodeParameter('toPersonId', i);
							} else {
								body.toPersonEmail = this.getNodeParameter('toPersonEmail', i);
							}
						}

						if (markdown) {
							body.markdown = markdown;
						}

						body.text = this.getNodeParameter('text', i);

						body.attachments = getAttachemnts(
							this.getNodeParameter(
								'additionalFields.attachmentsUi.attachmentValues',
								i,
								[],
							) as IDataObject[],
						);

						if (Object.keys(file).length) {
							const isBinaryData = file.fileLocation === 'binaryData' ? true : false;

							if (isBinaryData) {
								if (!items[i].binary) {
									throw new NodeOperationError(this.getNode(), 'No binary data exists on item!', {
										itemIndex: i,
									});
								}

								const binaryPropertyName = file.binaryPropertyName as string;

								const binaryData = items[i].binary![binaryPropertyName];
								const binaryDataBuffer = await this.helpers.getBinaryDataBuffer(
									i,
									binaryPropertyName,
								);

								const formData = {
									files: {
										value: binaryDataBuffer,
										options: {
											filename: binaryData.fileName,
											contentType: binaryData.mimeType,
										},
									},
								};
								Object.assign(body, formData);
							} else {
								const url = file.url as string;
								Object.assign(body, { files: url });
							}
						}

						if (file.fileLocation === 'binaryData') {
							responseData = await webexApiRequest.call(
								this,
								'POST',
								'/messages',
								{},
								{},
								undefined,
								{ formData: body },
							);
						} else {
							responseData = await webexApiRequest.call(this, 'POST', '/messages', body);
						}
						responseData = this.helpers.constructExecutionMetaData(
							this.helpers.returnJsonArray(responseData),
							{ itemData: { item: i } },
						);
					} else if (operation === 'delete') {
						// ----------------------------------------
						//             message: delete
						// ----------------------------------------

						// https://developer.webex.com/docs/api/v1/messages/delete-a-message
						const messageId = this.getNodeParameter('messageId', i);

						const endpoint = `/messages/${messageId}`;
						responseData = await webexApiRequest.call(this, 'DELETE', endpoint);
						responseData = this.helpers.constructExecutionMetaData(
							this.helpers.returnJsonArray({ success: true }),
							{ itemData: { item: i } },
						);
					} else if (operation === 'get') {
						// ----------------------------------------
						//               message: get
						// ----------------------------------------

						// https://developer.webex.com/docs/api/v1/messages/get-message-details
						const messageId = this.getNodeParameter('messageId', i);

						const endpoint = `/messages/${messageId}`;
						responseData = await webexApiRequest.call(this, 'GET', endpoint);
						responseData = this.helpers.constructExecutionMetaData(
							this.helpers.returnJsonArray(responseData),
							{ itemData: { item: i } },
						);
					} else if (operation === 'getAll') {
						// ----------------------------------------
						//             message: getAll
						// ----------------------------------------

						// https://developer.webex.com/docs/api/v1/messages/list-messages
						const qs: IDataObject = {
							roomId: this.getNodeParameter('roomId', i),
						};
						const filters = this.getNodeParameter('filters', i);
						const returnAll = this.getNodeParameter('returnAll', i);

						if (Object.keys(filters).length) {
							Object.assign(qs, filters);
						}

						if (returnAll) {
							responseData = await webexApiRequestAllItems.call(
								this,
								'items',
								'GET',
								'/messages',
								{},
								qs,
							);
						} else {
							qs.max = this.getNodeParameter('limit', i);
							responseData = await webexApiRequest.call(this, 'GET', '/messages', {}, qs);
							responseData = responseData.items;
						}
						responseData = this.helpers.constructExecutionMetaData(
							this.helpers.returnJsonArray(responseData.items),
							{ itemData: { item: i } },
						);
					} else if (operation === 'update') {
						// ----------------------------------------
						//             message: update
						// ----------------------------------------

						// https://developer.webex.com/docs/api/v1/messages/edit-a-message
						const messageId = this.getNodeParameter('messageId', i) as string;
						const markdown = this.getNodeParameter('markdown', i) as boolean;

						const endpoint = `/messages/${messageId}`;

						responseData = await webexApiRequest.call(this, 'GET', endpoint);

						const body = {
							roomId: responseData.roomId,
						} as IDataObject;

						if (markdown) {
							body.markdown = this.getNodeParameter('markdownText', i);
						} else {
							body.text = this.getNodeParameter('text', i);
						}

						responseData = await webexApiRequest.call(this, 'PUT', endpoint, body);
						responseData = this.helpers.constructExecutionMetaData(
							this.helpers.returnJsonArray(responseData),
							{ itemData: { item: i } },
						);
					}
				}

				if (resource === 'meeting') {
					if (operation === 'create') {
						const title = this.getNodeParameter('title', i) as string;
						const start = this.getNodeParameter('start', i) as string;
						const end = this.getNodeParameter('end', i) as string;
						const invitees = this.getNodeParameter(
							'additionalFields.inviteesUi.inviteeValues',
							i,
							[],
						) as IDataObject[];
						const additionalFields = this.getNodeParameter('additionalFields', i);

						const body: IDataObject = {
							title,
							start: moment.tz(start, timezone).format(),
							end: moment.tz(end, timezone).format(),
							...additionalFields,
						};

						if (body.requireRegistrationInfo) {
							body.registration = (body.requireRegistrationInfo as string[]).reduce(
								(obj, value) => Object.assign(obj, { [`${value}`]: true }),
								{},
							);
							delete body.requireRegistrationInfo;
						}

						if (invitees) {
							body.invitees = invitees;
							delete body.inviteesUi;
						}

						responseData = await webexApiRequest.call(this, 'POST', '/meetings', body);
						responseData = this.helpers.constructExecutionMetaData(
							this.helpers.returnJsonArray(responseData),
							{ itemData: { item: i } },
						);
					}

					if (operation === 'delete') {
						const meetingId = this.getNodeParameter('meetingId', i) as string;
						const options = this.getNodeParameter('options', i);

						const qs: IDataObject = {
							...options,
						};

						responseData = await webexApiRequest.call(
							this,
							'DELETE',
							`/meetings/${meetingId}`,
							{},
							qs,
						);
						responseData = this.helpers.constructExecutionMetaData(
							this.helpers.returnJsonArray({ success: true }),
							{ itemData: { item: i } },
						);
					}

					if (operation === 'get') {
						const meetingId = this.getNodeParameter('meetingId', i) as string;
						const options = this.getNodeParameter('options', i);
						let headers = {};

						const qs: IDataObject = {
							...options,
						};

						if (options.passsword) {
							headers = {
								passsword: options.passsword,
							};
						}

						responseData = await webexApiRequest.call(
							this,
							'GET',
							`/meetings/${meetingId}`,
							{},
							qs,
							undefined,
							{ headers },
						);
						responseData = this.helpers.constructExecutionMetaData(
							this.helpers.returnJsonArray(responseData),
							{ itemData: { item: i } },
						);
					}

					if (operation === 'getAll') {
						const filters = this.getNodeParameter('filters', i);
						const returnAll = this.getNodeParameter('returnAll', i);

						const qs: IDataObject = {
							...filters,
						};

						if (qs.from) {
							qs.from = moment(qs.from as string)
								.utc(true)
								.format();
						}

						if (qs.to) {
							qs.to = moment(qs.to as string)
								.utc(true)
								.format();
						}

						if (returnAll) {
							responseData = await webexApiRequestAllItems.call(
								this,
								'items',
								'GET',
								'/meetings',
								{},
								qs,
							);
						} else {
							qs.max = this.getNodeParameter('limit', i);
							responseData = await webexApiRequest.call(this, 'GET', '/meetings', {}, qs);
							responseData = responseData.items;
						}
						responseData = this.helpers.constructExecutionMetaData(
							this.helpers.returnJsonArray(responseData),
							{ itemData: { item: i } },
						);
					}

					if (operation === 'update') {
						const meetingId = this.getNodeParameter('meetingId', i) as string;
						const invitees = this.getNodeParameter(
							'updateFields.inviteesUi.inviteeValues',
							i,
							[],
						) as IDataObject[];
						const updateFields = this.getNodeParameter('updateFields', i);

						const { title, password, start, end } = await webexApiRequest.call(
							this,
							'GET',
							`/meetings/${meetingId}`,
						);

						const body: IDataObject = {
							...updateFields,
						};

						if (body.requireRegistrationInfo) {
							body.registration = (body.requireRegistrationInfo as string[]).reduce(
								(obj, value) => Object.assign(obj, { [`${value}`]: true }),
								{},
							);
							delete body.requireRegistrationInfo;
						}

						if (invitees.length) {
							body.invitees = invitees;
						}

						if (body.start) {
							body.start = moment.tz(updateFields.start, timezone).format();
						} else {
							body.start = start;
						}

						if (body.end) {
							body.end = moment.tz(updateFields.end, timezone).format();
						} else {
							body.end = end;
						}

						if (!body.title) {
							body.title = title;
						}

						if (!body.password) {
							body.password = password;
						}

						responseData = await webexApiRequest.call(this, 'PUT', `/meetings/${meetingId}`, body);
						responseData = this.helpers.constructExecutionMetaData(
							this.helpers.returnJsonArray(responseData),
							{ itemData: { item: i } },
						);
					}
				}

				returnData.push(...responseData);
			} catch (error) {
				if (this.continueOnFail()) {
					returnData.push({ error: error.toString(), json: {}, itemIndex: i });
					continue;
				}

				throw error;
			}
		}

		// if (resource === 'meetingTranscript') {

		// 	if (operation === 'download') {
		// 		for (let i = 0; i < items.length; i++) {
		// 			const transcriptId = this.getNodeParameter('transcriptId', i) as string;
		// 			const binaryPropertyName = this.getNodeParameter('binaryPropertyName', i);
		// 			const meetingId = this.getNodeParameter('meetingId', i) as string;
		// 			const options = this.getNodeParameter('options', i);

		// 			const qs: IDataObject = {
		// 				meetingId,
		// 				...options,
		// 			};
		// 			const transcription = await webexApiRequest.call(this, 'GET', `/meetingTranscripts/${transcriptId}/download`, {}, qs);

		// 			responseData = {
		// 				json: {},
		// 				binary: {
		// 					[binaryPropertyName]: {
		// 						data: Buffer.from(transcription, BINARY_ENCODING),
		// 						//contentType:
		// 						//FILE
		// 					}
		// 				}
		// 			}

		// 		}
		// 	}

		// 	if (operation === 'getAll') {
		// 		for (let i = 0; i < items.length; i++) {
		// 			try {
		// 				const meetingId = this.getNodeParameter('meetingId', i) as string;
		// 				const filters = this.getNodeParameter('filters', i);
		// 				const returnAll = this.getNodeParameter('returnAll', i);

		// 				const qs: IDataObject = {
		// 					meetingId,
		// 					...filters,
		// 				};

		// 				if (returnAll === true) {
		// 					responseData = await webexApiRequestAllItems.call(this, 'items', 'GET', '/meetingTranscripts', {}, qs);
		// 					returnData.push(...responseData);
		// 				} else {
		// 					qs.max = this.getNodeParameter('limit', i);
		// 					responseData = await webexApiRequest.call(this, 'GET', '/meetingTranscripts', {}, qs);
		// 					returnData.push(...responseData.items);
		// 				}
		// 			} catch (error) {
		// 				if (this.continueOnFail()) {
		// 					returnData.push({
		// 						error: error.message,
		// 					});
		// 				}
		// 			}
		// 		}
		// 	}
		// }

		return this.prepareOutputData(returnData);
	}
}