import {
	IExecuteFunctions,
} from 'n8n-core';

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

import {
	egoiApiRequest,
	egoiApiRequestAllItems,
	simplify,
} from './GenericFunctions';

import {
	ICreateMemberBody,
} from './Interfaces';

import moment from 'moment-timezone';

export class Egoi implements INodeType {
	description: INodeTypeDescription = {
		displayName: 'E-goi',
		name: 'egoi',
		icon: 'file:egoi.png',
		group: ['output'],
		version: 1,
		subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}',
		description: 'Consume E-goi API',
		defaults: {
			name: 'E-goi',
		},
		inputs: ['main'],
		outputs: ['main'],
		credentials: [
			{
				name: 'egoiApi',
				required: true,
			},
		],
		properties: [
			{
				displayName: 'Resource',
				name: 'resource',
				type: 'options',
				noDataExpression: true,
				required: true,
				options: [
					{
						name: 'Contact',
						value: 'contact',
					},
				],
				default: 'contact',
			},
			{
				displayName: 'Operation',
				name: 'operation',
				type: 'options',
				noDataExpression: true,
				required: true,
				options: [
					{
						name: 'Create',
						value: 'create',
						description: 'Create a member',
					},
					{
						name: 'Get',
						value: 'get',
						description: 'Get a member',
					},
					{
						name: 'Get All',
						value: 'getAll',
						description: 'Get all members',
					},
					{
						name: 'Update',
						value: 'update',
						description: 'Update a member',
					},
				],
				default: 'create',
			},
			{
				displayName: 'List ID',
				name: 'list',
				type: 'options',
				typeOptions: {
					loadOptionsMethod: 'getLists',
				},
				displayOptions: {
					show: {
						operation: [
							'getAll',
							'create',
							'update',
							'get',
						],
					},
				},
				default: '',
				description: 'ID of list to operate on',
			},
			{
				displayName: 'Email',
				name: 'email',
				type: 'string',
				displayOptions: {
					show: {
						operation: [
							'create',
						],
					},
				},
				default: '',
				description: 'Email address for a subscriber',
			},
			{
				displayName: 'Contact ID',
				name: 'contactId',
				type: 'string',
				displayOptions: {
					show: {
						resource: [
							'contact',
						],
						operation: [
							'update',
						],
					},
				},
				default: '',
				description: 'Contact ID of the subscriber',
			},
			{
				displayName: 'Resolve Data',
				name: 'resolveData',
				type: 'boolean',
				displayOptions: {
					show: {
						operation: [
							'create',
							'update',
						],
					},
				},
				default: true,
				description: 'By default the response just includes the contact ID. If this option gets activated, it will resolve the data automatically.',
			},
			{
				displayName: 'Additional Fields',
				name: 'additionalFields',
				type: 'collection',
				placeholder: 'Add Field',
				displayOptions: {
					show: {
						operation: [
							'create',
						],
						resource: [
							'contact',
						],
					},
				},
				default: {},
				options: [
					{
						displayName: 'Birth Date',
						name: 'birth_date',
						type: 'dateTime',
						default: '',
						description: 'Birth date of a subscriber',
					},
					{
						displayName: 'Cellphone',
						name: 'cellphone',
						type: 'string',
						default: '',
						description: 'Cellphone of a subscriber',
					},
					{
						displayName: 'Extra Fields',
						name: 'extraFieldsUi',
						type: 'fixedCollection',
						placeholder: 'Add Field',
						default: {},
						typeOptions: {
							multipleValues: true,
						},
						options: [
							{
								displayName: 'Extra Field',
								name: 'extraFieldValues',
								typeOptions: {
									multipleValueButtonText: 'Add Field',
								},
								values: [
									{
										displayName: 'Field ID',
										name: 'field_id',
										type: 'options',
										typeOptions: {
											loadOptionsMethod: 'getExtraFields',
											loadOptionsDependsOn: [
												'list',
											],
										},
										default: '',
									},
									{
										displayName: 'Value',
										name: 'value',
										type: 'string',
										default: '',
									},
								],
							},
						],
					},
					{
						displayName: 'First Name',
						name: 'first_name',
						type: 'string',
						default: '',
						description: 'Name of a subscriber',
					},
					{
						displayName: 'Last Name',
						name: 'last_name',
						type: 'string',
						default: '',
						description: 'Name of a subscriber',
					},
					{
						displayName: 'Status',
						name: 'status',
						type: 'options',
						options: [
							{
								name: 'Unconfirmed',
								value: 'unconfirmed',
							},
							{
								name: 'Active',
								value: 'active',
							},
							{
								name: 'Inactive',
								value: 'inactive',
							},
							{
								name: 'Removed',
								value: 'removed',
							},
						],
						default: 'active',
						description: 'Subscriber\'s current status',
					},
					{
						displayName: 'Tags IDs',
						name: 'tagIds',
						type: 'multiOptions',
						typeOptions: {
							loadOptionsMethod: 'getListTags',
						},
						default: [],
						description: 'List of tag IDs to be added',
					},
				],
			},
			//--------------------
			//----UPDATE MEMBER---
			//--------------------
			{
				displayName: 'Update Fields',
				name: 'updateFields',
				type: 'collection',
				placeholder: 'Add Field',
				default: {},
				displayOptions: {
					show: {
						operation: [
							'update',
						],
					},
				},
				options: [
					{
						displayName: 'Birth Date',
						name: 'birth_date',
						type: 'dateTime',
						default: '',
						description: 'Birth date of subscriber',
					},
					{
						displayName: 'Cellphone',
						name: 'cellphone',
						type: 'string',
						default: '',
						description: 'Cellphone of subscriber',
					},
					{
						displayName: 'Email',
						name: 'email',
						type: 'string',
						default: '',
						description: 'Email address for subscriber',
					},
					{
						displayName: 'Extra Fields',
						name: 'extraFieldsUi',
						type: 'fixedCollection',
						placeholder: 'Add Field',
						default: {},
						typeOptions: {
							multipleValues: true,
						},
						options: [
							{
								displayName: 'Extra Field',
								name: 'extraFieldValues',
								typeOptions: {
									multipleValueButtonText: 'Add Field',
								},
								values: [
									{
										displayName: 'Field ID',
										name: 'field_id',
										type: 'options',
										typeOptions: {
											loadOptionsMethod: 'getExtraFields',
											loadOptionsDependsOn: [
												'list',
											],
										},
										default: '',
									},
									{
										displayName: 'Value',
										name: 'value',
										type: 'string',
										default: '',
									},
								],
							},
						],
					},
					{
						displayName: 'First Name',
						name: 'first_name',
						type: 'string',
						default: '',
						description: 'Name of subscriber',
					},
					{
						displayName: 'Last Name',
						name: 'last_name',
						type: 'string',
						default: '',
						description: 'Name of subscriber',
					},
					{
						displayName: 'Status',
						name: 'status',
						type: 'options',
						options: [
							{
								name: 'Unconfirmed',
								value: 'unconfirmed',
							},
							{
								name: 'Active',
								value: 'active',
							},
							{
								name: 'Inactive',
								value: 'inactive',
							},
							{
								name: 'Removed',
								value: 'removed',
							},

						],
						default: 'active',
						description: 'Subscriber\'s current status',
					},
					{
						displayName: 'Tags IDs',
						name: 'tagIds',
						type: 'multiOptions',
						typeOptions: {
							loadOptionsMethod: 'getListTags',
						},
						default: [],
						description: 'List of tag IDs to be added',
					},
				],
			},
			{
				displayName: 'By',
				name: 'by',
				type: 'options',
				options: [
					{
						name: 'Contact ID',
						value: 'id',
					},
					{
						name: 'Email',
						value: 'email',
					},
				],
				displayOptions: {
					show: {
						operation: [
							'get',
						],
						resource: [
							'contact',
						],
					},
				},
				default: 'id',
				description: 'Search by',
			},
			{
				displayName: 'Contact ID',
				name: 'contactId',
				type: 'string',
				displayOptions: {
					show: {
						resource: [
							'contact',
						],
						operation: [
							'get',
						],
						by: [
							'id',
						],
					},
				},
				default: '',
				description: 'Contact ID of the subscriber',
			},
			{
				displayName: 'Email',
				name: 'email',
				type: 'string',
				displayOptions: {
					show: {
						resource: [
							'contact',
						],
						operation: [
							'get',
						],
						by: [
							'email',
						],
					},
				},
				default: '',
				description: 'Email address for subscriber',
			},
			{
				displayName: 'Return All',
				name: 'returnAll',
				type: 'boolean',
				displayOptions: {
					show: {
						operation: [
							'getAll',
						],
						resource: [
							'contact',
						],
					},
				},
				default: false,
				description: 'Whether to return all results or only up to a given limit',
			},
			{
				displayName: 'Limit',
				name: 'limit',
				type: 'number',
				displayOptions: {
					show: {
						operation: [
							'getAll',
						],
						resource: [
							'contact',
						],
						returnAll: [
							false,
						],
					},
				},
				typeOptions: {
					minValue: 1,
					maxValue: 500,
				},
				default: 100,
				description: 'Max number of results to return',
			},
			{
				displayName: 'Simplify',
				name: 'simple',
				type: 'boolean',
				displayOptions: {
					show: {
						operation: [
							'get',
							'getAll',
						],
						resource: [
							'contact',
						],
					},
				},
				default: true,
				description: 'Whether to return a simplified version of the response instead of the raw data',
			},
		],
	};

	methods = {
		loadOptions: {
			async getLists(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
				const returnData: INodePropertyOptions[] = [];
				const lists = await egoiApiRequestAllItems.call(this, 'items', 'GET', '/lists');
				for (const list of lists) {
					const listName = list.internal_name;
					const listId = list.list_id;
					returnData.push({
						name: listName,
						value: listId,
					});
				}
				return returnData;
			},

			async getExtraFields(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
				const returnData: INodePropertyOptions[] = [];
				const listId = this.getCurrentNodeParameter('list');
				const extraFields = await egoiApiRequest.call(this, 'GET', `/lists/${listId}/fields`);
				for (const field of extraFields) {
					if (field.type === 'extra') {
						const fieldName = field.name;
						const fieldId = field.field_id;
						returnData.push({
							name: fieldName,
							value: fieldId,
						});
					}
				}
				return returnData;
			},

			async getListTags(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
				const returnData: INodePropertyOptions[] = [];
				const tagList = await egoiApiRequestAllItems.call(this, 'items', 'GET', '/tags');
				for (const tag of tagList) {
					const tagName = tag.name;
					const tagId = tag.tag_id;
					returnData.push({
						name: tagName,
						value: tagId,
					});
				}
				return returnData;
			},
		},
	};

	async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {

		let responseData;
		const returnData: IDataObject[] = [];
		const items = this.getInputData();
		const length = items.length;
		const operation = this.getNodeParameter('operation', 0) as string;
		const resource = this.getNodeParameter('resource', 0) as string;
		for (let i = 0; i < length; i++) {
			try {
				if (resource === 'contact') {
					if (operation === 'create') {
						const listId = this.getNodeParameter('list', i) as string;

						const email = this.getNodeParameter('email', i) as string;

						const resolveData = this.getNodeParameter('resolveData', i) as boolean;

						const additionalFields = this.getNodeParameter('additionalFields', i) as IDataObject;

						const body: ICreateMemberBody = {
							base: {
								email,
							},
							extra: [],
						};

						if (additionalFields.birth_date) {
							additionalFields.birth_date = moment(additionalFields.birth_date as string).format('YYYY-MM-DD');
						}

						if (additionalFields.extraFieldsUi) {
							const extraFields = (additionalFields.extraFieldsUi as IDataObject).extraFieldValues as IDataObject[];
							if (extraFields) {
								body.extra = extraFields as unknown as [];
							}
						}

						Object.assign(body.base, additionalFields);

						responseData = await egoiApiRequest.call(this, 'POST', `/lists/${listId}/contacts`, body);

						const contactId = responseData.contact_id;

						if (additionalFields.tagIds) {
							const tags = additionalFields.tagIds as string[];
							for (const tag of tags) {
								await egoiApiRequest.call(this, 'POST', `/lists/${listId}/contacts/actions/attach-tag`, { tag_id: tag, contacts: [contactId] });
							}
						}

						if (resolveData) {
							responseData = await egoiApiRequest.call(this, 'GET', `/lists/${listId}/contacts/${contactId}`);
						}
					}

					if (operation === 'get') {

						const listId = this.getNodeParameter('list', i) as string;

						const simple = this.getNodeParameter('simple', i) as boolean;

						const by = this.getNodeParameter('by', 0) as string;

						let endpoint = '';

						if (by === 'id') {
							const contactId = this.getNodeParameter('contactId', i) as string;
							endpoint = `/lists/${listId}/contacts/${contactId}`;
						} else {
							const email = this.getNodeParameter('email', i) as string;
							endpoint = `/lists/${listId}/contacts?email=${email}`;
						}

						responseData = await egoiApiRequest.call(this, 'GET', endpoint, {});

						if (responseData.items) {
							responseData = responseData.items;
						}

						if (simple === true) {
							const data = (await simplify.call(this, [responseData], listId))[0];

							responseData = {
								...data,
								email_stats: responseData.email_stats,
								sms_stats: responseData.sms_stats,
								push_stats: responseData.push_stats,
								webpush_stats: responseData.webpush_stats,
								voice_stats: responseData.voice_stats,
							};
						}
					}

					if (operation === 'getAll') {

						const listId = this.getNodeParameter('list', i) as string;

						const returnAll = this.getNodeParameter('returnAll', 0) as boolean;

						const simple = this.getNodeParameter('simple', i) as boolean;

						if (returnAll) {

							responseData = await egoiApiRequestAllItems.call(this, 'items', 'GET', `/lists/${listId}/contacts`, {});

						} else {
							const limit = this.getNodeParameter('limit', i) as number;

							responseData = await egoiApiRequest.call(this, 'GET', `/lists/${listId}/contacts`, {}, { limit });

							responseData = responseData.items;
						}

						if (simple === true) {
							responseData = await simplify.call(this, responseData, listId);
						}
					}

					if (operation === 'update') {
						const listId = this.getNodeParameter('list', i) as string;
						const contactId = this.getNodeParameter('contactId', i) as string;
						const resolveData = this.getNodeParameter('resolveData', i) as boolean;

						const updateFields = this.getNodeParameter('updateFields', i) as IDataObject;
						const body: ICreateMemberBody = {
							base: {
							},
							extra: [],
						};

						if (updateFields.birth_date) {
							updateFields.birth_date = moment(updateFields.birth_date as string).format('YYYY-MM-DD');
						}

						if (updateFields.extraFieldsUi) {
							const extraFields = (updateFields.extraFieldsUi as IDataObject).extraFieldValues as IDataObject[];
							if (extraFields) {
								body.extra = extraFields as unknown as [];
							}
						}

						Object.assign(body.base, updateFields);

						responseData = await egoiApiRequest.call(this, 'PATCH', `/lists/${listId}/contacts/${contactId}`, body);

						if (updateFields.tagIds) {
							const tags = updateFields.tagIds as string[];
							for (const tag of tags) {
								await egoiApiRequest.call(this, 'POST', `/lists/${listId}/contacts/actions/attach-tag`, { tag_id: tag, contacts: [contactId] });
							}
						}

						if (resolveData) {
							responseData = await egoiApiRequest.call(this, 'GET', `/lists/${listId}/contacts/${contactId}`);
						}
					}
				}
			} catch (error) {
				if (this.continueOnFail() !== true) {
					throw error;
				} else {
					// Return the actual reason as error
					returnData.push(
						{
							error: error.message,
						},
					);
					continue;
				}
			}

			if (Array.isArray(responseData)) {
				returnData.push.apply(returnData, responseData as IDataObject[]);
			} else {
				returnData.push(responseData as IDataObject);
			}
		}
		return [this.helpers.returnJsonArray(returnData)];
	}
}