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

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

import {
	getTableColumns,
	getTableViews,
	rowExport,
	rowFormatColumns,
	rowMapKeyToName,
	seaTableApiRequest,
	setableApiRequestAllItems,
	split,
	updateAble,
} from './GenericFunctions';

import {
	rowFields,
	rowOperations,
} from './RowDescription';

import {
	TColumnsUiValues,
	TColumnValue,
} from './types';

import {
	ICtx,
	IRow,
	IRowObject,
} from './Interfaces';

export class SeaTable implements INodeType {
	description: INodeTypeDescription = {
		displayName: 'SeaTable',
		name: 'seaTable',
		icon: 'file:seaTable.svg',
		group: ['input'],
		version: 1,
		subtitle: '={{$parameter["resource"] + ": " + $parameter["operation"]}}',
		description: 'Consume the SeaTable API',
		defaults: {
			name: 'SeaTable',
		},
		inputs: ['main'],
		outputs: ['main'],
		credentials: [
			{
				name: 'seaTableApi',
				required: true,
			},
		],
		properties: [
			{
				displayName: 'Resource',
				name: 'resource',
				type: 'options',
				noDataExpression: true,
				options: [
					{
						name: 'Row',
						value: 'row',
					},
				],
				default: 'row',
			},
			...rowOperations,
			...rowFields,
		],
	};

	methods = {
		loadOptions: {
			async getTableNames(this: ILoadOptionsFunctions) {
				const returnData: INodePropertyOptions[] = [];
				const { metadata: { tables } } = await seaTableApiRequest.call(this, {}, 'GET', `/dtable-server/api/v1/dtables/{{dtable_uuid}}/metadata`);
				for (const table of tables) {
					returnData.push({
						name: table.name,
						value: table.name,
					});
				}
				return returnData;
			},
			async getTableIds(this: ILoadOptionsFunctions) {
				const returnData: INodePropertyOptions[] = [];
				const { metadata: { tables } } = await seaTableApiRequest.call(this, {}, 'GET', `/dtable-server/api/v1/dtables/{{dtable_uuid}}/metadata`);
				for (const table of tables) {
					returnData.push({
						name: table.name,
						value: table._id,
					});
				}
				return returnData;
			},

			async getTableUpdateAbleColumns(this: ILoadOptionsFunctions) {
				const tableName = this.getNodeParameter('tableName') as string;
				const columns = await getTableColumns.call(this, tableName,);
				return columns.filter(column => column.editable).map(column => ({ name: column.name, value: column.name }));
			},
			async getAllSortableColumns(this: ILoadOptionsFunctions) {
				const tableName = this.getNodeParameter('tableName') as string;
				const columns = await getTableColumns.call(this, tableName);
				return columns.filter(column => !['file', 'image', 'url', 'collaborator', 'long-text'].includes(column.type)).map(column => ({ name: column.name, value: column.name }));
			},
			async getViews(this: ILoadOptionsFunctions) {
				const tableName = this.getNodeParameter('tableName') as string;
				const views = await getTableViews.call(this, tableName);
				return views.map(view => ({ name: view.name, value: view.name }));
			},
		},
	};

	async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
		const items = this.getInputData();
		const returnData: IDataObject[] = [];
		let responseData;

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

		const body: IDataObject = {};
		const qs: IDataObject = {};
		const ctx: ICtx = {};

		if (resource === 'row') {
			if (operation === 'create') {
				// ----------------------------------
				//         row:create
				// ----------------------------------

				const tableName = this.getNodeParameter('tableName', 0) as string;
				const tableColumns = await getTableColumns.call(this, tableName);

				body.table_name = tableName;

				const fieldsToSend = this.getNodeParameter('fieldsToSend', 0) as 'defineBelow' | 'autoMapInputData';
				let rowInput: IRowObject = {};

				for (let i = 0; i < items.length; i++) {
					rowInput = {} as IRowObject;
					try {
						if (fieldsToSend === 'autoMapInputData') {
							const incomingKeys = Object.keys(items[i].json);
							const inputDataToIgnore = split(this.getNodeParameter('inputsToIgnore', i, '') as string);
							for (const key of incomingKeys) {
								if (inputDataToIgnore.includes(key)) continue;
								rowInput[key] = items[i].json[key] as TColumnValue;
							}
						} else {
							const columns = this.getNodeParameter('columnsUi.columnValues', i, []) as TColumnsUiValues;
							for (const column of columns) {
								rowInput[column.columnName] = column.columnValue;
							}
						}
						body.row = rowExport(rowInput, updateAble(tableColumns));

						responseData = await seaTableApiRequest.call(this, ctx, 'POST', `/dtable-server/api/v1/dtables/{{dtable_uuid}}/rows/`, body);

						const { _id: insertId } = responseData;
						if (insertId === undefined) {
							throw new NodeOperationError(this.getNode(), 'SeaTable: No identity after appending row.', { itemIndex: i });
						}

						const newRowInsertData = rowMapKeyToName(responseData, tableColumns);

						qs.table_name = tableName;
						qs.convert = true;
						const newRow = await seaTableApiRequest.call(this, ctx, 'GET', `/dtable-server/api/v1/dtables/{{dtable_uuid}}/rows/${encodeURIComponent(insertId)}/`, body, qs);

						if (newRow._id === undefined) {
							throw new NodeOperationError(this.getNode(), 'SeaTable: No identity for appended row.', { itemIndex: i });
						}

						const row = rowFormatColumns({ ...newRowInsertData, ...newRow }, tableColumns.map(({ name }) => name).concat(['_id', '_ctime', '_mtime']));

						returnData.push(row);
					} catch (error) {
						if (this.continueOnFail()) {
							returnData.push({ error: error.message });
							continue;
						}
						throw error;
					}
				}
			} else if (operation === 'get') {
				for (let i = 0; i < items.length; i++) {
					try {
						const tableId = this.getNodeParameter('tableId', 0) as string;
						const rowId = this.getNodeParameter('rowId', i) as string;
						const response = await seaTableApiRequest.call(this, ctx, 'GET', `/dtable-server/api/v1/dtables/{{dtable_uuid}}/rows/${rowId}`, {}, { table_id: tableId, convert: true }) as IDataObject;
						returnData.push(response);

					} catch (error) {
						if (this.continueOnFail()) {
							returnData.push({ error: error.message });
							continue;
						}
						throw error;
					}
				}
			} else if (operation === 'getAll') {
				// ----------------------------------
				//         row:getAll
				// ----------------------------------

				const tableName = this.getNodeParameter('tableName', 0) as string;
				const tableColumns = await getTableColumns.call(this, tableName);

				try {
					for (let i = 0; i < items.length; i++) {
						const endpoint = `/dtable-server/api/v1/dtables/{{dtable_uuid}}/rows/`;
						qs.table_name = tableName;
						const filters = this.getNodeParameter('filters', i) as IDataObject;
						const options = this.getNodeParameter('options', i) as IDataObject;
						const returnAll = this.getNodeParameter('returnAll', 0) as boolean;

						Object.assign(qs, filters, options);

						if (returnAll) {
							responseData = await setableApiRequestAllItems.call(this, ctx, 'rows', 'GET', endpoint, body, qs);
						} else {
							qs.limit = this.getNodeParameter('limit', 0) as number;
							responseData = await seaTableApiRequest.call(this, ctx, 'GET', endpoint, body, qs);
							responseData = responseData.rows;
						}

						const rows = responseData.map((row: IRow) => rowFormatColumns({ ...row }, tableColumns.map(({ name }) => name).concat(['_id', '_ctime', '_mtime'])));

						returnData.push(...rows);
					}
				} catch (error) {
					if (this.continueOnFail()) {
						returnData.push({ error: error.message });
					}
					throw error;
				}
			} else if (operation === 'delete') {
				for (let i = 0; i < items.length; i++) {
					try {
						const tableName = this.getNodeParameter('tableName', 0) as string;
						const rowId = this.getNodeParameter('rowId', i) as string;
						const body: IDataObject = {
							table_name: tableName,
							row_id: rowId,
						};
						const response = await seaTableApiRequest.call(this, ctx, 'DELETE', `/dtable-server/api/v1/dtables/{{dtable_uuid}}/rows/`, body, qs) as IDataObject;
						returnData.push(response);
					} catch (error) {
						if (this.continueOnFail()) {
							returnData.push({ error: error.message });
							continue;
						}
						throw error;
					}
				}
			} else if (operation === 'update') {
				// ----------------------------------
				//         row:update
				// ----------------------------------

				const tableName = this.getNodeParameter('tableName', 0) as string;
				const tableColumns = await getTableColumns.call(this, tableName);

				body.table_name = tableName;

				const fieldsToSend = this.getNodeParameter('fieldsToSend', 0) as 'defineBelow' | 'autoMapInputData';
				let rowInput: IRowObject = {};

				for (let i = 0; i < items.length; i++) {
					const rowId = this.getNodeParameter('rowId', i) as string;
					rowInput = {} as IRowObject;
					try {
						if (fieldsToSend === 'autoMapInputData') {
							const incomingKeys = Object.keys(items[i].json);
							const inputDataToIgnore = split(this.getNodeParameter('inputsToIgnore', i, '') as string);
							for (const key of incomingKeys) {
								if (inputDataToIgnore.includes(key)) continue;
								rowInput[key] = items[i].json[key] as TColumnValue;
							}
						} else {
							const columns = this.getNodeParameter('columnsUi.columnValues', i, []) as TColumnsUiValues;
							for (const column of columns) {
								rowInput[column.columnName] = column.columnValue;
							}
						}
						body.row = rowExport(rowInput, updateAble(tableColumns));
						body.table_name = tableName;
						body.row_id = rowId;
						responseData = await seaTableApiRequest.call(this, ctx, 'PUT', `/dtable-server/api/v1/dtables/{{dtable_uuid}}/rows/`, body);

						returnData.push({ _id: rowId, ... responseData });
					} catch (error) {
						if (this.continueOnFail()) {
							returnData.push({ error: error.message });
							continue;
						}
						throw error;
					}
				}
			} else {
				throw new NodeOperationError(this.getNode(), `The operation "${operation}" is not known!`);
			}
		}
		return [this.helpers.returnJsonArray(returnData)];
	}
}