import type {
	IExecuteFunctions,
	IDataObject,
	ILoadOptionsFunctions,
	INodeExecutionData,
	INodeListSearchResult,
	INodePropertyOptions,
	INodeType,
	INodeTypeBaseDescription,
	INodeTypeDescription,
} from 'n8n-workflow';
import { NodeConnectionType } from 'n8n-workflow';

import { todoistApiRequest } from '../GenericFunctions';

import type { OperationType } from './Service';
import { TodoistService } from './Service';

// interface IBodyCreateTask {
// 	content?: string;
// 	description?: string;
// 	project_id?: number;
// 	section_id?: number;
// 	parent_id?: number;
// 	order?: number;
// 	label_ids?: number[];
// 	priority?: number;
// 	due_string?: string;
// 	due_datetime?: string;
// 	due_date?: string;
// 	due_lang?: string;
// }

const versionDescription: INodeTypeDescription = {
	displayName: 'Todoist',
	name: 'todoist',
	icon: 'file:todoist.svg',
	group: ['output'],
	version: 1,
	subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}',
	description: 'Consume Todoist API',
	defaults: {
		name: 'Todoist',
	},
	inputs: [NodeConnectionType.Main],
	outputs: [NodeConnectionType.Main],
	credentials: [
		{
			name: 'todoistApi',
			required: true,
			displayOptions: {
				show: {
					authentication: ['apiKey'],
				},
			},
		},
		{
			name: 'todoistOAuth2Api',
			required: true,
			displayOptions: {
				show: {
					authentication: ['oAuth2'],
				},
			},
		},
	],
	properties: [
		{
			displayName: 'Authentication',
			name: 'authentication',
			type: 'options',
			options: [
				{
					name: 'API Key',
					value: 'apiKey',
				},
				{
					name: 'OAuth2',
					value: 'oAuth2',
				},
			],
			default: 'apiKey',
		},
		{
			displayName: 'Resource',
			name: 'resource',
			type: 'options',
			noDataExpression: true,
			options: [
				{
					name: 'Task',
					value: 'task',
					description: 'Task resource',
				},
			],
			default: 'task',
			required: true,
		},
		{
			displayName: 'Operation',
			name: 'operation',
			type: 'options',
			noDataExpression: true,
			required: true,
			displayOptions: {
				show: {
					resource: ['task'],
				},
			},
			options: [
				{
					name: 'Close',
					value: 'close',
					description: 'Close a task',
					action: 'Close a task',
				},
				{
					name: 'Create',
					value: 'create',
					description: 'Create a new task',
					action: 'Create a task',
				},
				{
					name: 'Delete',
					value: 'delete',
					description: 'Delete a task',
					action: 'Delete a task',
				},
				{
					name: 'Get',
					value: 'get',
					description: 'Get a task',
					action: 'Get a task',
				},
				{
					name: 'Get Many',
					value: 'getAll',
					description: 'Get many tasks',
					action: 'Get many tasks',
				},
				{
					name: 'Move',
					value: 'move',
					description: 'Move a task',
					action: 'Move a task',
				},
				{
					name: 'Reopen',
					value: 'reopen',
					description: 'Reopen a task',
					action: 'Reopen a task',
				},
				// {
				// 	name: 'Sync',
				// 	value: 'sync',
				// 	description: 'Sync a project',
				// },
				{
					name: 'Update',
					value: 'update',
					description: 'Update a task',
					action: 'Update a task',
				},
			],
			default: 'create',
		},
		{
			displayName: 'Task ID',
			name: 'taskId',
			type: 'string',
			default: '',
			required: true,
			displayOptions: {
				show: {
					resource: ['task'],
					operation: ['delete', 'close', 'get', 'reopen', 'update', 'move'],
				},
			},
		},
		{
			displayName: 'Project Name or ID',
			name: 'project',
			type: 'resourceLocator',
			default: { mode: 'list', value: '' },
			required: true,
			modes: [
				{
					displayName: 'From List',
					name: 'list',
					type: 'list',
					placeholder: 'Select a project...',
					typeOptions: {
						searchListMethod: 'searchProjects',
						searchable: true,
					},
				},
				{
					displayName: 'ID',
					name: 'id',
					type: 'string',
					placeholder: '2302163813',
				},
			],
			displayOptions: {
				show: {
					resource: ['task'],
					operation: ['create', 'move', 'sync'],
				},
			},
			description: 'The project you want to operate on. Choose from the list, or specify an ID.',
		},
		{
			displayName: 'Section Name or ID',
			name: 'section',
			type: 'options',
			typeOptions: {
				loadOptionsMethod: 'getSections',
				loadOptionsDependsOn: ['project'],
			},
			displayOptions: {
				show: {
					resource: ['task'],
					operation: ['move'],
				},
			},
			default: '',
			description:
				'Section to which you want move the task. Choose from the list, or specify an ID using an <a href="https://docs.n8n.io/code/expressions/">expression</a>.',
		},
		{
			displayName: 'Label Names or IDs',
			name: 'labels',
			type: 'multiOptions',
			typeOptions: {
				loadOptionsMethod: 'getLabels',
			},
			displayOptions: {
				show: {
					resource: ['task'],
					operation: ['create'],
				},
			},
			default: [],
			description:
				'Optional labels that will be assigned to a created task. Choose from the list, or specify IDs using an <a href="https://docs.n8n.io/code/expressions/">expression</a>.',
		},
		{
			displayName: 'Content',
			name: 'content',
			type: 'string',
			typeOptions: {
				rows: 5,
			},
			displayOptions: {
				show: {
					resource: ['task'],
					operation: ['create'],
				},
			},
			default: '',
			required: true,
			description: 'Task content',
		},
		{
			displayName: 'Sync Commands',
			name: 'commands',
			type: 'string',
			displayOptions: {
				show: {
					resource: ['task'],
					operation: ['sync'],
				},
			},
			default: '[]',
			hint: 'See docs for possible commands: https://developer.todoist.com/sync/v8/#sync',
			description: 'Sync body',
		},
		{
			displayName: 'Additional Fields',
			name: 'options',
			type: 'collection',
			placeholder: 'Add option',
			default: {},
			displayOptions: {
				show: {
					resource: ['task'],
					operation: ['create'],
				},
			},
			options: [
				{
					displayName: 'Description',
					name: 'description',
					type: 'string',
					default: '',
					description: 'A description for the task',
				},
				{
					displayName: 'Due Date Time',
					name: 'dueDateTime',
					type: 'dateTime',
					default: '',
					description: 'Specific date and time in RFC3339 format in UTC',
				},
				{
					displayName: 'Due String Locale',
					name: 'dueLang',
					type: 'string',
					default: '',
					description:
						'2-letter code specifying language in case due_string is not written in English',
				},
				{
					displayName: 'Due String',
					name: 'dueString',
					type: 'string',
					default: '',
					description:
						'Human defined task due date (ex.: “next Monday”, “Tomorrow”). Value is set using local (not UTC) time.',
				},
				{
					displayName: 'Parent Name or ID',
					name: 'parentId',
					type: 'options',
					typeOptions: {
						loadOptionsMethod: 'getItems',
						loadOptionsDependsOn: ['project', 'options.section'],
					},
					default: {},
					description:
						'The parent task you want to operate on. Choose from the list, or specify an ID using an <a href="https://docs.n8n.io/code/expressions/">expression</a>.',
				},
				{
					displayName: 'Priority',
					name: 'priority',
					type: 'number',
					typeOptions: {
						maxValue: 4,
						minValue: 1,
					},
					default: 1,
					description: 'Task priority from 1 (normal) to 4 (urgent)',
				},
				{
					displayName: 'Section Name or ID',
					name: 'section',
					type: 'options',
					typeOptions: {
						loadOptionsMethod: 'getSections',
						loadOptionsDependsOn: ['project'],
					},
					default: {},
					description:
						'The section you want to operate on. Choose from the list, or specify an ID using an <a href="https://docs.n8n.io/code/expressions/">expression</a>.',
				},
			],
		},
		{
			displayName: 'Return All',
			name: 'returnAll',
			type: 'boolean',
			displayOptions: {
				show: {
					operation: ['getAll'],
					resource: ['task'],
				},
			},
			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: ['task'],
					returnAll: [false],
				},
			},
			typeOptions: {
				minValue: 1,
				maxValue: 500,
			},
			default: 50,
			description: 'Max number of results to return',
		},
		{
			displayName: 'Filters',
			name: 'filters',
			type: 'collection',
			placeholder: 'Add option',
			default: {},
			displayOptions: {
				show: {
					resource: ['task'],
					operation: ['getAll'],
				},
			},
			options: [
				{
					displayName: 'Filter',
					name: 'filter',
					type: 'string',
					default: '',
					description:
						'Filter by any <a href="https://get.todoist.help/hc/en-us/articles/205248842">supported filter.</a>',
				},
				{
					displayName: 'IDs',
					name: 'ids',
					type: 'string',
					default: '',
					description: 'A list of the task IDs to retrieve, this should be a comma-separated list',
				},
				{
					displayName: 'Label Name or ID',
					name: 'labelId',
					type: 'options',
					typeOptions: {
						loadOptionsMethod: 'getLabels',
					},
					default: {},
					description:
						'Filter tasks by label. Choose from the list, or specify an ID using an <a href="https://docs.n8n.io/code/expressions/">expression</a>.',
				},
				{
					displayName: 'Lang',
					name: 'lang',
					type: 'string',
					default: '',
					description:
						'IETF language tag defining what language filter is written in, if differs from default English',
				},
				{
					displayName: 'Parent Name or ID',
					name: 'parentId',
					type: 'options',
					typeOptions: {
						loadOptionsMethod: 'getItems',
						loadOptionsDependsOn: ['filters.projectId', 'filters.sectionId'],
					},
					default: '',
					description:
						'Filter tasks by parent task ID. Choose from the list, or specify an ID using an <a href="https://docs.n8n.io/code/expressions/">expression</a>.',
				},
				{
					displayName: 'Project Name or ID',
					name: 'projectId',
					type: 'options',
					typeOptions: {
						loadOptionsMethod: 'getProjects',
					},
					default: '',
					description:
						'Filter tasks by project ID. Choose from the list, or specify an ID using an <a href="https://docs.n8n.io/code/expressions/">expression</a>.',
				},
				{
					displayName: 'Section Name or ID',
					name: 'sectionId',
					type: 'options',
					typeOptions: {
						loadOptionsMethod: 'getSections',
						loadOptionsDependsOn: ['filters.projectId'],
					},
					default: '',
					description:
						'Filter tasks by section ID. Choose from the list, or specify an ID using an <a href="https://docs.n8n.io/code/expressions/">expression</a>.',
				},
			],
		},
		{
			displayName: 'Update Fields',
			name: 'updateFields',
			type: 'collection',
			placeholder: 'Add Field',
			default: {},
			displayOptions: {
				show: {
					resource: ['task'],
					operation: ['update'],
				},
			},
			options: [
				{
					displayName: 'Content',
					name: 'content',
					type: 'string',
					default: '',
					description: 'Task content',
				},
				{
					displayName: 'Description',
					name: 'description',
					type: 'string',
					default: '',
					description: 'A description for the task',
				},
				{
					displayName: 'Due Date Time',
					name: 'dueDateTime',
					type: 'dateTime',
					default: '',
					description: 'Specific date and time in RFC3339 format in UTC',
				},
				{
					displayName: 'Due String Locale',
					name: 'dueLang',
					type: 'string',
					default: '',
					description:
						'2-letter code specifying language in case due_string is not written in English',
				},
				{
					displayName: 'Due String',
					name: 'dueString',
					type: 'string',
					default: '',
					description:
						'Human defined task due date (ex.: “next Monday”, “Tomorrow”). Value is set using local (not UTC) time.',
				},
				{
					displayName: 'Due String Locale',
					name: 'dueLang',
					type: 'string',
					default: '',
					description:
						'2-letter code specifying language in case due_string is not written in English',
				},
				{
					displayName: 'Label Names or IDs',
					name: 'labels',
					type: 'multiOptions',
					description:
						'Choose from the list, or specify IDs using an <a href="https://docs.n8n.io/code/expressions/">expression</a>',
					typeOptions: {
						loadOptionsMethod: 'getLabels',
					},
					default: [],
				},
				{
					displayName: 'Priority',
					name: 'priority',
					type: 'number',
					typeOptions: {
						maxValue: 4,
						minValue: 1,
					},
					default: 1,
					description: 'Task priority from 1 (normal) to 4 (urgent)',
				},
			],
		},
	],
};

export class TodoistV1 implements INodeType {
	description: INodeTypeDescription;

	constructor(baseDescription: INodeTypeBaseDescription) {
		this.description = {
			...baseDescription,
			...versionDescription,
		};
	}

	methods = {
		listSearch: {
			async searchProjects(this: ILoadOptionsFunctions): Promise<INodeListSearchResult> {
				const projects = await todoistApiRequest.call(this, 'GET', '/projects');
				return {
					results: projects.map((project: IDataObject) => ({
						name: project.name,
						value: project.id,
					})),
				};
			},
			async searchLabels(this: ILoadOptionsFunctions): Promise<INodeListSearchResult> {
				const labels = await todoistApiRequest.call(this, 'GET', '/labels');
				return {
					results: labels.map((label: IDataObject) => ({
						name: label.name,
						value: label.id,
					})),
				};
			},
		},
		loadOptions: {
			// Get all the available projects to display them to user so that they can
			// select them easily
			async getProjects(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
				const returnData: INodePropertyOptions[] = [];
				const projects = await todoistApiRequest.call(this, 'GET', '/projects');
				for (const project of projects) {
					const projectName = project.name;
					const projectId = project.id;

					returnData.push({
						name: projectName,
						value: projectId,
					});
				}

				return returnData;
			},

			// Get all the available sections in the selected project, to display them
			// to user so that they can select one easily
			async getSections(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
				const returnData: INodePropertyOptions[] = [];

				const options = Object.assign(
					{},
					this.getNodeParameter('options', {}),
					this.getNodeParameter('filters', {}),
				) as IDataObject;

				const projectId =
					(options.projectId as number) ??
					(this.getCurrentNodeParameter('project', { extractValue: true }) as number);
				if (projectId) {
					const qs: IDataObject = { project_id: projectId };
					const sections = await todoistApiRequest.call(this, 'GET', '/sections', {}, qs);
					for (const section of sections) {
						const sectionName = section.name;
						const sectionId = section.id;

						returnData.push({
							name: sectionName,
							value: sectionId,
						});
					}
				}

				return returnData;
			},

			// Get all the available parents in the selected project and section,
			// to display them to user so that they can select one easily
			async getItems(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
				const returnData: INodePropertyOptions[] = [];

				const options = Object.assign(
					{},
					this.getNodeParameter('options', {}),
					this.getNodeParameter('filters', {}),
				) as IDataObject;

				const projectId =
					(options.projectId as number) ??
					(this.getCurrentNodeParameter('project', { extractValue: true }) as number);

				const sectionId =
					(options.sectionId as number) ||
					(options.section as number) ||
					(this.getCurrentNodeParameter('sectionId') as number);

				if (projectId) {
					const qs: IDataObject = sectionId
						? { project_id: projectId, section_id: sectionId }
						: { project_id: projectId };

					const items = await todoistApiRequest.call(this, 'GET', '/tasks', {}, qs);
					for (const item of items) {
						const itemContent = item.content;
						const itemId = item.id;

						returnData.push({
							name: itemContent,
							value: itemId,
						});
					}
				}

				return returnData;
			},

			// Get all the available labels to display them to user so that they can
			// select them easily
			async getLabels(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
				const returnData: INodePropertyOptions[] = [];
				const labels = await todoistApiRequest.call(this, 'GET', '/labels');

				for (const label of labels) {
					const labelName = label.name;
					const labelId = label.id;
					returnData.push({
						name: labelName,
						value: labelId,
					});
				}

				return returnData;
			},
		},
	};

	async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
		const items = this.getInputData();
		const returnData: IDataObject[] = [];
		const length = items.length;
		const service = new TodoistService();
		let responseData;
		const resource = this.getNodeParameter('resource', 0);
		const operation = this.getNodeParameter('operation', 0) as OperationType;
		for (let i = 0; i < length; i++) {
			try {
				if (resource === 'task') {
					responseData = await service.execute(this, operation, i);
				}
				if (Array.isArray(responseData?.data)) {
					returnData.push.apply(returnData, responseData?.data as IDataObject[]);
				} else {
					if (responseData?.hasOwnProperty('success')) {
						returnData.push({ success: responseData.success });
					} else {
						returnData.push(responseData?.data as IDataObject);
					}
				}
			} catch (error) {
				if (this.continueOnFail()) {
					returnData.push({ error: error.message });
					continue;
				}
				throw error;
			}
		}
		return [this.helpers.returnJsonArray(returnData)];
	}
}