import React, { Component, Fragment } from 'react';
import { ValidatorForm, TextValidator, SelectValidator } from 'react-material-ui-form-validator';

import { Checkbox, Typography, Box, Link } from '@material-ui/core';
import SaveIcon from '@material-ui/icons/Save';
import MenuItem from '@material-ui/core/MenuItem';

import { ENDPOINT_ROOT } from '../api';
import { restController, RestControllerProps, RestFormLoader, RestFormProps, FormActions, FormButton, BlockFormControlLabel, SectionContent } from '../components';

import { isIP, isHostname, or } from '../validators';

import { EMSESPSettings } from './EMSESPtypes';

export const EMSESP_SETTINGS_ENDPOINT = ENDPOINT_ROOT + "emsespSettings";

type EMSESPSettingsControllerProps = RestControllerProps<EMSESPSettings>;

class EMSESPSettingsController extends Component<EMSESPSettingsControllerProps> {

    componentDidMount() {
        ValidatorForm.addValidationRule('isIPOrHostname', or(isIP, isHostname));
        this.props.loadData();
    }

    render() {
        return (
            <SectionContent title='EMS-ESP Settings' titleGutter>
                <RestFormLoader
                    {...this.props}
                    render={props => (
                        <EMSESPSettingsControllerForm {...props} />
                    )}
                />
            </SectionContent>
        )
    }

}

export default restController(EMSESP_SETTINGS_ENDPOINT, EMSESPSettingsController);

type EMSESPSettingsControllerFormProps = RestFormProps<EMSESPSettings>;

function EMSESPSettingsControllerForm(props: EMSESPSettingsControllerFormProps) {
    const { data, saveData, loadData, handleValueChange } = props;
    return (
        <ValidatorForm onSubmit={saveData}>
            <Box bgcolor="info.main" p={2} mt={2} mb={2}>
                <Typography variant="body1">
                    Customize EMS-ESP by editing the default settings here. Refer to the <Link href="https://emsesp.github.io/docs/#/" color="primary">{'Wiki'}</Link>&nbsp;for descriptions of each setting.
                </Typography>
            </Box>
            <TextValidator
                validators={['required', 'isNumber', 'minNumber:0', 'maxNumber:255']}
                errorMessages={['TX mode is required', "Must be a number", "Must be 0 or higher", "Max value is 255"]}
                name="tx_mode"
                label="Tx Mode (0=off, 1=EMS1.0, 2=EMS+, 3=HT3)"
                fullWidth
                variant="outlined"
                value={data.tx_mode}
                type="number"
                onChange={handleValueChange('tx_mode')}
                margin="normal"
            />
            <SelectValidator name="ems_bus_id"
                label="Bus ID"
                value={data.ems_bus_id}
                fullWidth
                variant="outlined"
                onChange={handleValueChange('ems_bus_id')}
                margin="normal">
                <MenuItem value={0x0B}>Service Key (0x0B)</MenuItem>
                <MenuItem value={0x0D}>Modem (0x0D)</MenuItem>
                <MenuItem value={0x0A}>Terminal (0x0A)</MenuItem>
                <MenuItem value={0x0F}>Time Module (0x0F)</MenuItem>
                <MenuItem value={0x12}>Alarm Module (0x12)</MenuItem>
            </SelectValidator>
            <BlockFormControlLabel
                control={
                    <Checkbox
                        checked={data.shower_timer}
                        onChange={handleValueChange('shower_timer')}
                        value="shower_timer"
                    />
                }
                label="Shower Timer"
            />
            <BlockFormControlLabel
                control={
                    <Checkbox
                        checked={data.shower_alert}
                        onChange={handleValueChange('shower_alert')}
                        value="shower_alert"
                    />
                }
                label="Shower Alert"
            />
            <SelectValidator name="syslog_level"
                label="Syslog Log Level"
                value={data.syslog_level}
                fullWidth
                variant="outlined"
                onChange={handleValueChange('syslog_level')}
                margin="normal">
                <MenuItem value={-1}>OFF</MenuItem>
                <MenuItem value={3}>ERR</MenuItem>
                <MenuItem value={6}>INFO</MenuItem>
                <MenuItem value={7}>DEBUG</MenuItem>
            </SelectValidator>
            {data.syslog_level !== -1 &&
                <Fragment>
                    <TextValidator
                        validators={['isIPOrHostname']}
                        errorMessages={["Not a valid IP address or hostname"]}
                        name="syslog_host"
                        label="Syslog IP/Host"
                        fullWidth
                        variant="outlined"
                        value={data.syslog_host}
                        onChange={handleValueChange('syslog_host')}
                        margin="normal"
                    />
                    <TextValidator
                        validators={['required', 'isNumber', 'minNumber:0', 'maxNumber:65535']}
                        errorMessages={['Syslog Mark is required', "Must be a number", "Must be 0 or higher (0=off)", "Max value is 65535"]}
                        name="syslog_mark_interval"
                        label="Syslog Mark Interval (seconds, 0=off)"
                        fullWidth
                        variant="outlined"
                        value={data.syslog_mark_interval}
                        type="number"
                        onChange={handleValueChange('syslog_mark_interval')}
                        margin="normal"
                    />
                </Fragment>
            }
            <FormActions>
                <FormButton startIcon={<SaveIcon />} variant="contained" color="primary" type="submit">
                    Save
        </FormButton>
                <FormButton variant="contained" color="secondary" onClick={loadData}>
                    Reset
        </FormButton>
            </FormActions>
        </ValidatorForm>
    );
}