import { CSSProperties } from 'react';
import * as echarts from 'echarts';
import { PieSeriesOption } from 'echarts';
import { useRef, useEffect } from 'react';
import { isEmpty, sumBy, head, merge, gt, gte, lte, ceil } from 'lodash';
import { CHARTS_COLORS, LOADING_COLOR } from './type';
import { useSize } from 'ahooks';
// 通过 ComposeOption 来组合出一个只有必须组件和图表的 Option 类型
type ECOption = echarts.ComposeOption<PieSeriesOption>;

export interface PieProps {
	color?: Array<string>;
	series: Array<any>;
	loading?: boolean;
	smooth?: boolean;
	style?: CSSProperties;
	options?: ECOption;
	onDownCallBack?: any;
	loadingType?: any;
}

function getOptions(width: number) {
	if (gt(width, 1920)) {
		return {
			legend: {
				textStyle: {
					width: 140,
					fontSize: 14,
					overflow: 'truncate',
				},
			},
			radius: ['60%', '80%'],
			center: ['40%', '50%'],
			title: {
				left: '40%',
			},
		};
	} else if (gte(width, 1680)) {
		return {
			legend: {
				textStyle: {
					width: 120,
					fontSize: 12,
					overflow: 'truncate',
				},
			},
			radius: ['60%', '80%'],
			center: ['35%', '50%'],
			title: {
				left: '35%',
			},
		};
	} else if (gte(width, 1440)) {
		return {
			legend: {
				textStyle: {
					width: 100,
					fontSize: 10,
					overflow: 'truncate',
				},
			},
			radius: ['50%', '70%'],
			center: ['35%', '50%'],
			title: {
				left: '35%',
			},
		};
	} else if (lte(width, 1440)) {
		return {
			legend: {
				textStyle: {
					width: 80,
					fontSize: 8,
					overflow: 'truncate',
				},
			},
			radius: ['40%', '60%'],
			center: ['30%', '50%'],
			title: {
				left: '30%',
			},
		};
	} else {
		return {
			legend: {
				textStyle: {
					width: 100,
					fontSize: 10,
					overflow: 'truncate',
				},
			},
			radius: ['50%', '70%'],
			center: ['35%', '50%'],
			title: {
				left: '35%',
			},
		};
	}
}

export function ChartsPie(props: PieProps) {
	const {
		color = CHARTS_COLORS,
		series,
		loading,
		style,
		options,
		onDownCallBack,
		loadingType = { color: LOADING_COLOR },
	} = props;

	const contentEle = useRef<any>();

	const chartRef = useRef<any>();

	const size = useSize(document.querySelector('body'));
	// @ts-ignore
	const sizeOptions = getOptions(size?.width);
	// @ts-ignore
	const legendShow = options?.legend?.show;

	const defaultOptions: ECOption = merge(
		{
			color: color,
			tooltip: {
				trigger: 'item',
				formatter: '{b}<br />数量: {c}<br />占比: {d}%',
			},
			label: {
				formatter(params: { [key: string]: any }): any {
					return `${params?.name}: ${params?.percent ?? 0}%`;
				},
			},
			legend: {
				show: false,
				itemWidth: 10,
				itemHeight: 10,
			},
			title: {
				text: ceil(sumBy(head(series)?.data, 'value'), 2) || 0,
				top: '47%',
				textAlign: 'center',
				left: '50%',
				textStyle: {
					color: '#333',
					fontSize: 22,
					fontWeight: '400',
				},
			},
		},
		options,
		legendShow ? sizeOptions : {},
	);
	const responsive = useSize(contentEle.current);

	useEffect(() => {
		chartRef.current?.resize();
	}, [JSON.stringify(responsive)]);

	useEffect(() => {
		if (!chartRef.current) {
			chartRef.current = echarts.init(contentEle.current);
		}
		if (loading) {
			chartRef.current.showLoading(Object.assign({ text: '' }, loadingType));
			return;
		} else {
			chartRef.current.hideLoading();
		}

		if (!isEmpty(series)) {
			chartRef.current.setOption({
				...defaultOptions,
				series: series.map((item) => ({
					radius: sizeOptions.radius,
					center: legendShow ? sizeOptions.center : ['50%', '50%'],
					...item,
					type: 'pie',
				})),
			});
			if (onDownCallBack) {
				chartRef.current.on('click', function (params: any) {
					onDownCallBack(chartRef.current, params, options);
				});
			}
		}
	}, [series, loading]);

	return (
		<div ref={contentEle} style={{ width: '100%', height: '100%', ...style }} />
	);
}