// Copyright (C) The Arvados Authors. All rights reserved.
//
// SPDX-License-Identifier: AGPL-3.0

import * as React from 'react';
import { Dialog, DialogActions, DialogTitle, DialogContent, WithStyles, withStyles, StyleRulesCallback, Button, Typography, Paper } from '@material-ui/core';
import { ArvadosTheme } from '~/common/custom-theme';
import { withDialog } from '~/store/dialog/with-dialog';
import { WithDialogProps } from '~/store/dialog/with-dialog';
import { compose } from 'redux';
import { connect } from 'react-redux';
import { CurrentTokenDialogData, getCurrentTokenDialogData } from '~/store/current-token-dialog/current-token-dialog-actions';
import { RootState } from '~/store/store';
import { DefaultCodeSnippet } from '~/components/default-code-snippet/default-code-snippet';

type CssRules = 'link' | 'paper' | 'button';

const styles: StyleRulesCallback<CssRules> = (theme: ArvadosTheme) => ({
    link: {
        color: theme.palette.primary.main,
        textDecoration: 'none',
        margin: '0px 4px'
    },
    paper: {
        padding: theme.spacing.unit,
        marginBottom: theme.spacing.unit * 2,
        backgroundColor: theme.palette.grey["200"],
        border: `1px solid ${theme.palette.grey["300"]}`
    },
    button: {
        fontSize: '0.8125rem',
        fontWeight: 600
    }
});

type CurrentTokenProps = CurrentTokenDialogData & WithDialogProps<{}> & WithStyles<CssRules>;

export const CurrentTokenDialog = compose(
    withStyles(styles),
    connect(getCurrentTokenDialogData),
    withDialog('currentTokenDialog')
)(class extends React.Component<CurrentTokenProps> {
    render() {
        const { classes, open, closeDialog, ...data } = this.props;
        return <Dialog
            open={open}
            onClose={closeDialog}
            fullWidth={true}
            maxWidth='md'>
            <DialogTitle>Current Token</DialogTitle>
            <DialogContent>
                <Typography variant='body1' paragraph={true}>
                    The Arvados API token is a secret key that enables the Arvados SDKs to access Arvados with the proper permissions.
                            <Typography component='p'>
                        For more information see
                                <a href='http://doc.arvados.org/user/reference/api-tokens.html' target='blank' className={classes.link}>
                            Getting an API token.
                                </a>
                    </Typography>
                </Typography>
                <Typography variant='body1' paragraph={true}>
                    Paste the following lines at a shell prompt to set up the necessary environment for Arvados SDKs to authenticate to your klingenc account.
                        </Typography>
                <DefaultCodeSnippet lines={[getSnippet(data)]} />
                <Typography variant='body1'>
                    Arvados
                            <a href='http://doc.arvados.org/user/reference/api-tokens.html' target='blank' className={classes.link}>virtual machines</a>
                    do this for you automatically. This setup is needed only when you use the API remotely (e.g., from your own workstation).
                        </Typography>
            </DialogContent>
            <DialogActions>
                <Button onClick={closeDialog} className={classes.button} color="primary">CLOSE</Button>
            </DialogActions>
        </Dialog>;
    }
}
);

const getSnippet = ({ apiHost, currentToken }: CurrentTokenDialogData) =>
`HISTIGNORE=$HISTIGNORE:'export ARVADOS_API_TOKEN=*'
export ARVADOS_API_TOKEN=${currentToken}
export ARVADOS_API_HOST=${apiHost}
unset ARVADOS_API_HOST_INSECURE`;