import React, { useState } from 'react';
import { Form, Input, TextArea, DatePicker, Grid, Popup, Radio, Stepper, Switch, Button, } from 'antd-mobile';
import OakIcon from '../icon';
import RefAttr from '../refAttr';
import Locate from '../map/locate';
import dayjs from 'dayjs';
function makeAttrInput(attrRender, onValueChange, t, label, Map) {
    const [sl, setSl] = useState(false);
    const [dt, setDt] = useState(false);
    const [poi, setPoi] = useState(undefined);
    const { value, type, params, defaultValue, enumeration, required, placeholder, min, max, maxLength } = attrRender;
    switch (type) {
        case 'string':
        case 'varchar':
        case 'char':
        case 'poiName': {
            return (<Input clearable={!required} placeholder={placeholder || `请输入${label}`} value={value} defaultValue={defaultValue} maxLength={maxLength} onChange={(value) => {
                    onValueChange(value);
                }}/>);
        }
        case 'text': {
            return (<TextArea autoSize={true} placeholder={`请输入${label}`} defaultValue={defaultValue} value={value || ''} rows={6} showCount={true} maxLength={maxLength || 1000} onChange={(value) => {
                    onValueChange(value);
                }}/>);
        }
        case 'int': {
            return (<Stepper min={min} max={max} defaultValue={defaultValue} value={value} digits={0} onChange={(value) => onValueChange(value)}/>);
        }
        case 'decimal': {
            const precision = params?.precision || 10;
            const scale = params?.scale || 0;
            const scaleValue = Math.pow(10, 0 - scale);
            /*
            const threshold = Math.pow(10, precision - scale);
            const max = threshold - scaleValue;     // 小数在这里可能会有bug
            const min = 0 - max; */
            return (<Stepper min={min} max={max} defaultValue={defaultValue} value={value} digits={scale} step={scaleValue} onChange={(value) => onValueChange(value)}/>);
        }
        case 'money': {
            // money在数据上统一用分来存储
            const valueShowed = parseFloat((value / 100).toFixed(2));
            const defaultValueShowed = parseFloat((defaultValue / 100).toFixed(2));
            return (<Stepper min={0} defaultValue={defaultValueShowed} value={valueShowed} digits={2} step={0.01} formatter={value => `￥ ${value}`} parser={text => parseFloat(text.replace('￥', ''))} onChange={(value) => {
                    if (value !== null) {
                        const v2 = Math.round(value * 100);
                        onValueChange(v2);
                    }
                    else {
                        onValueChange(value);
                    }
                }}/>);
        }
        case 'datetime':
        case 'date': {
            const precision = type === 'date' ? 'day' : 'second';
            const format = type === 'date' ? 'YYYY-MM-DD' : 'YYYY-MM-DD HH:mm:ss';
            return (<div style={{ display: 'flex', alignItems: 'center' }}>
                    <DatePicker visible={dt} onClose={() => setDt(false)} precision={precision} value={new Date(value)} defaultValue={new Date()} min={min ? new Date(min) : undefined} max={max ? new Date(max) : undefined}>
                        {value => dayjs(value).format(format)}
                    </DatePicker>
                    <Button onClick={() => setDt(true)}>
                        {type === 'date' ? t('chooseDate') : t('chooseDatetime')}
                    </Button>
                </div>);
        }
        case 'time': {
            return (<div>待实现</div>);
        }
        case 'boolean': {
            return (<Switch checkedText={<OakIcon name="right"/>} uncheckedText={<OakIcon name="close"/>} checked={value} onChange={(checked) => {
                    onValueChange(checked);
                }}/>);
        }
        case 'enum': {
            return (<Radio.Group value={value} onChange={(value) => onValueChange(value)}>
                    {enumeration.map(({ label, value }) => (<Radio value={value}>{t(label)}</Radio>))}
                </Radio.Group>);
        }
        case 'ref': {
            return (<RefAttr multiple={false} entityId={value} pickerRender={attrRender} onChange={(value) => { onValueChange(value[0]); }}/>);
        }
        case 'coordinate': {
            const { coordinate } = value || {};
            const { extra } = attrRender;
            const poiNameAttr = extra?.poiName || 'poiName';
            const areaIdAttr = extra?.areaId || 'areaId';
            return (<>
                    <Popup closeOnMaskClick={true} destroyOnClose={true} position='bottom' visible={sl} onClose={() => setSl(false)} bodyStyle={{
                    height: '100%',
                    display: 'flex',
                    flexDirection: 'column',
                    alignItems: 'stretch',
                }}>
                        <div style={{ flex: 1 }}>
                            <Locate coordinate={coordinate} onLocated={(poi) => setPoi(poi)}/>
                        </div>
                        <Grid columns={2} gap={8}>
                            <Button block color="primary" disabled={!poi} onClick={() => {
                    if (poi) {
                        const { poiName, coordinate, areaId } = poi;
                        onValueChange({
                            type: 'point',
                            coordinate,
                        }, {
                            [poiNameAttr]: poiName,
                            [areaIdAttr]: areaId,
                        });
                    }
                    setSl(false);
                }}>
                                {t('common::action.confirm')}
                            </Button>
                            <Button block fill="outline" onClick={() => {
                    setSl(false);
                }}>
                                {t('common::action.cancel')}
                            </Button>
                        </Grid>
                    </Popup>
                    <div style={{
                    display: 'flex',
                    width: '100%',
                    alignItems: 'center',
                }} onClick={() => setSl(true)}>
                        <Map undragable={true} unzoomable={true} zoom={13} disableWheelZoom={true} style={{ height: 200, flex: 1 }} autoLocate={true} center={coordinate} markers={coordinate ? [coordinate] : undefined}/>
                    </div>
                </>);
        }
        default: {
            throw new Error(`【Abstract Update】无法支持的数据类别${type}的渲染`);
        }
    }
}
export default function render(props) {
    const { renderData = [], helps, layout = 'horizontal', mode = 'default', entity, Map } = props.data;
    const { update, t } = props.methods;
    return (<Form layout={layout} mode={mode}>
            {renderData.map((ele) => {
            // 因为i18n渲染机制的缘故，t必须放到这里来计算
            const { label, attr, type, required } = ele;
            let label2 = label;
            if (!label2) {
                if (type === 'ref') {
                    const { entity: refEntity } = ele;
                    if (attr === 'entityId') {
                        // 反指
                        label2 = t(`${refEntity}:name`);
                    }
                    else {
                        label2 = t(`${entity}:attr.${attr}`);
                    }
                }
                else {
                    label2 = t(`${entity}:attr.${attr}`);
                }
            }
            return (<Form.Item label={label2} rules={[
                    {
                        required: !!required,
                    },
                ]} help={helps && helps[attr]}>
                                <>
                                    {makeAttrInput(ele, (value, extra) => {
                    const { attr } = ele;
                    update({
                        [attr]: value,
                        ...extra,
                    });
                }, t, label2, Map)}
                                </>
                            </Form.Item>);
        })}
        </Form>);
}