/** 등분(DIVIDE)·길이분할(MEASURE) — 객체를 자르지 않고 점만 놓는다 */
import { toast } from 'react-toastify';
import {
	dividePoints,
	measurePoints,
	sampleEntityPoints,
} from '../../helpers/geometry/sample-entity';
import { addEntities } from '../../state';
import { Tool } from '../../tools';
import { pointEntity } from '../factories/entity-factory';
import { createSequenceTool } from '../factories/sequence-tool';

export const divideToolStateMachine = createSequenceTool({
	tool: Tool.DIVIDE,
	helpers: false,
	steps: [
		{ kind: 'entity', instructions: '등분할 객체를 선택하십시오.' },
		{ kind: 'number', instructions: '세그먼트 수를 입력하십시오 <4>.', defaultValue: 4 },
	],
	commit: (input) => {
		const points = dividePoints(sampleEntityPoints(input.entity(0)), input.number(1));
		if (!points.length) {
			toast.warn('등분할 수 없는 객체입니다.');
			return;
		}
		addEntities(points.map(pointEntity), true);
	},
});

export const measureLengthToolStateMachine = createSequenceTool({
	tool: Tool.MEASURE_LENGTH,
	helpers: false,
	steps: [
		{ kind: 'entity', instructions: '길이로 분할할 객체를 선택하십시오.' },
		{ kind: 'number', instructions: '세그먼트 길이를 입력하십시오 <10>.', defaultValue: 10 },
	],
	commit: (input) => {
		const points = measurePoints(sampleEntityPoints(input.entity(0)), input.number(1));
		if (!points.length) {
			toast.warn('지정한 길이로 나눌 수 없습니다.');
			return;
		}
		addEntities(points.map(pointEntity), true);
	},
});