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

import {
	ICredentialsDecrypted,
	ICredentialTestFunctions,
	IDataObject,
	INodeCredentialTestResult,
	INodeExecutionData,
	INodeType,
	INodeTypeDescription,
	JsonObject,
} from 'n8n-workflow';

import {
	downloadAttachments,
	formatSubmission,
	koBoToolboxApiRequest,
	loadForms,
	parseStringList,
} from './GenericFunctions';

import {
	formFields,
	formOperations
} from './FormDescription';

import {
	submissionFields,
	submissionOperations,
} from './SubmissionDescription';

import {
	hookFields,
	hookOperations,
} from './HookDescription';

export class KoBoToolbox implements INodeType {
	description: INodeTypeDescription = {
		displayName: 'KoBoToolbox',
		name: 'koBoToolbox',
		icon: 'file:koBoToolbox.svg',
		group: ['transform'],
		version: 1,
		description: 'Work with KoBoToolbox forms and submissions',
		subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}',
		defaults: {
			name: 'KoBoToolbox',
			color: '#64C0FF',
		},
		inputs: ['main'],
		outputs: ['main'],
		credentials: [
			{
				name: 'koBoToolboxApi',
				required: true,
				testedBy: 'koBoToolboxApiCredentialTest',
			},
		],
		properties: [
			{
				displayName: 'Resource',
				name: 'resource',
				type: 'options',
				noDataExpression: true,
				options: [
					{
						name: 'Form',
						value: 'form',
					},
					{
						name: 'Hook',
						value: 'hook',
					},
					{
						name: 'Submission',
						value: 'submission',
					},
				],
				default: 'submission',
				required: true,
			},
			...formOperations,
			...formFields,
			...hookOperations,
			...hookFields,
			...submissionOperations,
			...submissionFields,
		],
	};

	methods = {
		credentialTest: {
			async koBoToolboxApiCredentialTest(this: ICredentialTestFunctions, credential: ICredentialsDecrypted): Promise<INodeCredentialTestResult> {
				const credentials = credential.data;
				try {
					const response = await this.helpers.request({
						url: `${credentials!.URL}/api/v2/assets/hash`,
						headers: {
							'Accept': 'application/json',
							'Authorization': `Token ${credentials!.token}`,
						},
						json: true,
					});

					if (response.hash) {
						return {
							status: 'OK',
							message: 'Connection successful!',
						};
					}
					else {
						return {
							status: 'Error',
							message: `Credentials are not valid. Response: ${response.detail}`,
						};
					}
				}
				catch (err) {
					return {
						status: 'Error',
						message: `Credentials validation failed: ${(err as JsonObject).message}`,
					};
				}
			},
		},

		loadOptions: {
			loadForms,
		},
	};

	async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
		// tslint:disable-next-line:no-any
		let responseData: any;
		// tslint:disable-next-line:no-any
		let returnData: any[] = [];
		const binaryItems: INodeExecutionData[] = [];
		const items = this.getInputData();
		const resource = this.getNodeParameter('resource', 0) as string;
		const operation = this.getNodeParameter('operation', 0) as string;

		for (let i = 0; i < items.length; i++) {

			if (resource === 'form') {
				// *********************************************************************
				//                             Form
				// *********************************************************************

				if (operation === 'get') {
					// ----------------------------------
					//          Form: get
					// ----------------------------------
					const formId = this.getNodeParameter('formId', i) as string;
					responseData = [await koBoToolboxApiRequest.call(this, {
						url: `/api/v2/assets/${formId}`,
					})];
				}

				if (operation === 'getAll') {
					// ----------------------------------
					//          Form: getAll
					// ----------------------------------
					const formQueryOptions = this.getNodeParameter('options', i) as {
						sort: {
							value: {
								descending: boolean,
								ordering: string,
							}
						}
					};
					const formFilterOptions = this.getNodeParameter('filters', i) as IDataObject;

					responseData = await koBoToolboxApiRequest.call(this, {
						url: '/api/v2/assets/',
						qs: {
							limit: this.getNodeParameter('limit', i, 1000) as number,
							...(formFilterOptions.filter && { q: formFilterOptions.filter }),
							...(formQueryOptions?.sort?.value?.ordering && { ordering: (formQueryOptions?.sort?.value?.descending ? '-' : '') + formQueryOptions?.sort?.value?.ordering }),
						},
						scroll: this.getNodeParameter('returnAll', i) as boolean,
					});
				}
			}
			if (resource === 'submission') {
				// *********************************************************************
				//                             Submissions
				// *********************************************************************
				const formId = this.getNodeParameter('formId', i) as string;

				if (operation === 'getAll') {
					// ----------------------------------
					//          Submissions: getAll
					// ----------------------------------

					const submissionQueryOptions = this.getNodeParameter('options', i) as IDataObject;
					const filterJson = this.getNodeParameter('filterJson', i, null) as string;

					responseData = await koBoToolboxApiRequest.call(this, {
						url: `/api/v2/assets/${formId}/data/`,
						qs: {
							limit: this.getNodeParameter('limit', i, 1000) as number,
							...(filterJson && { query: filterJson }),
							...(submissionQueryOptions.sort && { sort: submissionQueryOptions.sort }),
							...(submissionQueryOptions.fields && { fields: JSON.stringify(parseStringList(submissionQueryOptions.fields as string)) }),
						},
						scroll: this.getNodeParameter('returnAll', i) as boolean,
					});

					if (submissionQueryOptions.reformat) {
						responseData = responseData.map((submission: IDataObject) => {
							return formatSubmission(submission, parseStringList(submissionQueryOptions.selectMask as string), parseStringList(submissionQueryOptions.numberMask as string));
						});
					}

					if (submissionQueryOptions.download) {
						// Download related attachments
						for (const submission of responseData) {
							binaryItems.push(await downloadAttachments.call(this, submission, submissionQueryOptions));
						}
					}
				}

				if (operation === 'get') {
					// ----------------------------------
					//          Submissions: get
					// ----------------------------------
					const submissionId = this.getNodeParameter('submissionId', i) as string;
					const options = this.getNodeParameter('options', i) as IDataObject;

					responseData = [await koBoToolboxApiRequest.call(this, {
						url: `/api/v2/assets/${formId}/data/${submissionId}`,
						qs: {
							...(options.fields && { fields: JSON.stringify(parseStringList(options.fields as string)) }),
						},
					})];

					if (options.reformat) {
						responseData = responseData.map((submission: IDataObject) => {
							return formatSubmission(submission, parseStringList(options.selectMask as string), parseStringList(options.numberMask as string));
						});
					}

					if (options.download) {
						// Download related attachments
						for (const submission of responseData) {
							binaryItems.push(await downloadAttachments.call(this, submission, options));
						}
					}
				}

				if (operation === 'delete') {
					// ----------------------------------
					//          Submissions: delete
					// ----------------------------------
					const id = this.getNodeParameter('submissionId', i) as string;

					await koBoToolboxApiRequest.call(this, {
						method: 'DELETE',
						url: `/api/v2/assets/${formId}/data/${id}`,
					});

					responseData = [{
						success: true,
					}];
				}

				if (operation === 'getValidation') {
					// ----------------------------------
					//          Submissions: getValidation
					// ----------------------------------
					const submissionId = this.getNodeParameter('submissionId', i) as string;

					responseData = [await koBoToolboxApiRequest.call(this, {
						url: `/api/v2/assets/${formId}/data/${submissionId}/validation_status/`,
					})];
				}

				if (operation === 'setValidation') {
					// ----------------------------------
					//          Submissions: setValidation
					// ----------------------------------
					const submissionId = this.getNodeParameter('submissionId', i) as string;
					const status = this.getNodeParameter('validationStatus', i) as string;

					responseData = [await koBoToolboxApiRequest.call(this, {
						method: 'PATCH',
						url: `/api/v2/assets/${formId}/data/${submissionId}/validation_status/`,
						body: {
							'validation_status.uid': status,
						},
					})];
				}
			}

			if (resource === 'hook') {
				const formId = this.getNodeParameter('formId', i) as string;
				// *********************************************************************
				//                             Hook
				// *********************************************************************

				if (operation === 'getAll') {
					// ----------------------------------
					//          Hook: getAll
					// ----------------------------------
					responseData = await koBoToolboxApiRequest.call(this, {
						url: `/api/v2/assets/${formId}/hooks/`,
						qs: {
							limit: this.getNodeParameter('limit', i, 1000) as number,
						},
						scroll: this.getNodeParameter('returnAll', i) as boolean,
					});
				}

				if (operation === 'get') {
					// ----------------------------------
					//          Hook: get
					// ----------------------------------
					const hookId = this.getNodeParameter('hookId', i) as string;
					responseData = [await koBoToolboxApiRequest.call(this, {
						url: `/api/v2/assets/${formId}/hooks/${hookId}`,
					})];
				}

				if (operation === 'retryAll') {
					// ----------------------------------
					//          Hook: retryAll
					// ----------------------------------
					const hookId = this.getNodeParameter('hookId', i) as string;
					responseData = [await koBoToolboxApiRequest.call(this, {
						method: 'PATCH',
						url: `/api/v2/assets/${formId}/hooks/${hookId}/retry/`,
					})];
				}

				if (operation === 'getLogs') {
					// ----------------------------------
					//          Hook: getLogs
					// ----------------------------------
					const hookId = this.getNodeParameter('hookId', i) as string;
					responseData = await koBoToolboxApiRequest.call(this, {
						url: `/api/v2/assets/${formId}/hooks/${hookId}/logs/`,
						qs: {
							start: this.getNodeParameter('start', i, 0) as number,
							limit: this.getNodeParameter('limit', i, 1000) as number,
						},
						scroll: this.getNodeParameter('returnAll', i) as boolean,
					});
				}

				if (operation === 'retryOne') {
					// ----------------------------------
					//          Hook: retryOne
					// ----------------------------------
					const hookId = this.getNodeParameter('hookId', i) as string;
					const logId = this.getNodeParameter('logId', i) as string;

					responseData = [await koBoToolboxApiRequest.call(this, {
						url: `/api/v2/assets/${formId}/hooks/${hookId}/logs/${logId}/retry/`,
					})];
				}
			}

			returnData = returnData.concat(responseData);
		}

		// Map data to n8n data
		return binaryItems.length > 0
			? [binaryItems]
			: [this.helpers.returnJsonArray(returnData)];
	}
}