import type {
	IDataObject,
	IExecuteFunctions,
	INodeExecutionData,
	INodeProperties,
} from 'n8n-workflow';

import { updateDisplayOptions } from '../../../../../utils/utilities';
import { pipedriveApiRequest } from '../../transport';
import { coerceToNumber } from '../../helpers';

const properties: INodeProperties[] = [
	{
		displayName: 'Deal ID',
		name: 'dealId',
		type: 'number',
		default: 0,
		required: true,
		description: 'ID of the deal whose product to update',
	},
	{
		displayName: 'Product Attachment ID',
		name: 'productAttachmentId',
		type: 'number',
		default: 0,
		required: true,
		description:
			'ID of the deal-product (the ID of the product attached to the deal, not the product ID itself)',
	},
	{
		displayName: 'Update Fields',
		name: 'updateFields',
		type: 'collection',
		placeholder: 'Add Field',
		default: {},
		options: [
			{
				displayName: 'Comments',
				name: 'comments',
				type: 'string',
				typeOptions: {
					rows: 4,
				},
				default: '',
				description: 'Text to describe this product-deal attachment',
			},
			{
				displayName: 'Discount',
				name: 'discount',
				type: 'number',
				default: 0,
				description:
					'The value of the discount. The discount type can be specified in discount_type.',
			},
			{
				displayName: 'Discount Type',
				name: 'discount_type',
				type: 'options',
				default: 'percentage',
				options: [
					{
						name: 'Percentage',
						value: 'percentage',
					},
					{
						name: 'Amount',
						value: 'amount',
					},
				],
				description: 'The type of the discount',
			},
			{
				displayName: 'Item Price',
				name: 'item_price',
				type: 'number',
				typeOptions: {
					numberPrecision: 2,
				},
				default: 0,
				description: 'Price at which to update this product in the deal',
			},
			{
				displayName: 'Quantity',
				name: 'quantity',
				type: 'number',
				default: 1,
				typeOptions: {
					minValue: 1,
				},
				description: 'How many items of this product in the deal',
			},
			{
				displayName: 'Tax',
				name: 'tax',
				type: 'number',
				default: 0,
				description: 'The tax percentage',
				typeOptions: {
					minValue: 0,
					maxValue: 100,
				},
			},
		],
	},
];

const displayOptions = {
	show: {
		resource: ['dealProduct'],
		operation: ['update'],
	},
};

export const description = updateDisplayOptions(displayOptions, properties);

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

	for (let i = 0; i < items.length; i++) {
		try {
			const dealId = this.getNodeParameter('dealId', i) as number;
			const productAttachmentId = this.getNodeParameter('productAttachmentId', i) as number;
			const updateFields = this.getNodeParameter('updateFields', i);

			const body: IDataObject = {};
			Object.assign(body, updateFields);

			if (body.item_price !== undefined) {
				body.item_price = coerceToNumber(body.item_price);
			}
			if (body.quantity !== undefined) {
				body.quantity = coerceToNumber(body.quantity);
			}
			if (body.discount !== undefined) {
				body.discount = coerceToNumber(body.discount);
			}
			if (body.tax !== undefined) {
				body.tax = coerceToNumber(body.tax);
			}

			const responseData = await pipedriveApiRequest.call(
				this,
				'PATCH',
				`/deals/${dealId}/products/${productAttachmentId}`,
				body,
			);

			const executionData = this.helpers.constructExecutionMetaData(
				this.helpers.returnJsonArray(responseData.data as IDataObject),
				{ itemData: { item: i } },
			);
			returnData.push(...executionData);
		} catch (error) {
			if (this.continueOnFail()) {
				returnData.push(
					...this.helpers.constructExecutionMetaData(
						this.helpers.returnJsonArray({ error: (error as Error).message }),
						{ itemData: { item: i } },
					),
				);
				continue;
			}
			throw error;
		}
	}

	return returnData;
}