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import * as React from 'react';
import { fetchConfigs } from 'src/api/configs';
import { BackendList } from 'src/components/BackendList';
import { addClashAPIConfig, getClashAPIConfig } from 'src/store/app';
import { State } from 'src/store/types';
import { ClashAPIConfig } from 'src/types';
import s0 from './APIConfig.module.scss';
import Button from './Button';
import Field from './Field';
import { connect } from './StateProvider';
import SvgYacd from './SvgYacd';
const { useState, useRef, useCallback, useEffect } = React;
const Ok = 0;
const mapState = (s: State) => ({
apiConfig: getClashAPIConfig(s),
});
function APIConfig({ dispatch }) {
const [baseURL, setBaseURL] = useState('');
const [secret, setSecret] = useState('');
const [errMsg, setErrMsg] = useState('');
const userTouchedFlagRef = useRef(false);
const contentEl = useRef(null);
const handleInputOnChange = useCallback((e) => {
userTouchedFlagRef.current = true;
setErrMsg('');
const target = e.target;
const { name } = target;
const value = target.value;
switch (name) {
case 'baseURL':
setBaseURL(value);
break;
case 'secret':
setSecret(value);
break;
default:
throw new Error(`unknown input name ${name}`);
}
}, []);
const onConfirm = useCallback(() => {
verify({ baseURL, secret }).then((ret) => {
if (ret[0] !== Ok) {
setErrMsg(ret[1]);
} else {
dispatch(addClashAPIConfig({ baseURL, secret }));
}
});
}, [baseURL, secret, dispatch]);
const handleContentOnKeyDown = useCallback(
(e: React.KeyboardEvent<HTMLInputElement>) => {
if (
e.target instanceof Element &&
(!e.target.tagName || e.target.tagName.toUpperCase() !== 'INPUT')
) {
return;
}
if (e.key !== 'Enter') return;
onConfirm();
},
[onConfirm]
);
const detectApiServer = async () => {
// if there is already a clash API server at `/`, just use it as default value
const res = await fetch('/');
res.json().then(data => {
if (data['hello'] === 'clash') {
setBaseURL(window.location.origin)
}
});
};
useEffect(() => {
detectApiServer();
}, []);
return (
// eslint-disable-next-line jsx-a11y/no-static-element-interactions
<div className={s0.root} ref={contentEl} onKeyDown={handleContentOnKeyDown}>
<div className={s0.header}>
<div className={s0.icon}>
<SvgYacd width={160} height={160} stroke="var(--stroke)" />
</div>
</div>
<div className={s0.body}>
<div className={s0.hostnamePort}>
<Field
id="baseURL"
name="baseURL"
label="API Base URL"
type="text"
placeholder="http://127.0.0.1:9090"
value={baseURL}
onChange={handleInputOnChange}
/>
<Field
id="secret"
name="secret"
label="Secret(optional)"
value={secret}
type="text"
onChange={handleInputOnChange}
/>
</div>
</div>
<div className={s0.error}>{errMsg ? errMsg : null}</div>
<div className={s0.footer}>
<Button label="Add" onClick={onConfirm} />
</div>
<div style={{ height: 20 }} />
<BackendList />
</div>
);
}
export default connect(mapState)(APIConfig);
async function verify(apiConfig: ClashAPIConfig): Promise<[number, string?]> {
try {
new URL(apiConfig.baseURL);
} catch (e) {
if (apiConfig.baseURL) {
const prefix = apiConfig.baseURL.substring(0, 7);
if (prefix !== 'http://' && prefix !== 'https:/') {
return [1, 'Must starts with http:// or https://'];
}
}
return [1, 'Invalid URL'];
}
try {
const res = await fetchConfigs(apiConfig);
if (res.status > 399) {
return [1, res.statusText];
}
return [Ok];
} catch (e) {
return [1, 'Failed to connect'];
}
}
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