import ListItem from '@material-ui/core/ListItem'
import ListItemIcon from '@material-ui/core/ListItemIcon'
import ListItemText from '@material-ui/core/ListItemText'
import React, { useEffect } from 'react'
import SettingsIcon from '@material-ui/icons/Settings'
import Dialog from '@material-ui/core/Dialog'
import DialogTitle from '@material-ui/core/DialogTitle'
import DialogContent from '@material-ui/core/DialogContent'
import TextField from '@material-ui/core/TextField'
import DialogActions from '@material-ui/core/DialogActions'
import Button from '@material-ui/core/Button'
import { FormControlLabel, InputLabel, Select, Switch } from '@material-ui/core'
import { settingsHost, setTorrServerHost, torrserverHost } from '../utils/Hosts'

export default function SettingsDialog() {
    const [open, setOpen] = React.useState(false)
    const [settings, setSets] = React.useState({})
    const [show, setShow] = React.useState(false)
    const [tsHost, setTSHost] = React.useState(torrserverHost ? torrserverHost : window.location.protocol + '//' + window.location.hostname + (window.location.port ? ':' + window.location.port : ''))

    const handleClickOpen = () => {
        setOpen(true)
    }
    const handleClose = () => {
        setOpen(false)
    }
    const handleCloseSave = () => {
        setOpen(false)
        let sets = JSON.parse(JSON.stringify(settings))
        sets.CacheSize *= 1024 * 1024
        sets.PreloadBufferSize *= 1024 * 1024
        fetch(settingsHost(), {
            method: 'post',
            body: JSON.stringify({ action: 'set', sets: sets }),
            headers: {
                Accept: 'application/json, text/plain, */*',
                'Content-Type': 'application/json',
            },
        })
    }

    useEffect(() => {
        fetch(settingsHost(), {
            method: 'post',
            body: JSON.stringify({ action: 'get' }),
            headers: {
                Accept: 'application/json, text/plain, */*',
                'Content-Type': 'application/json',
            },
        })
            .then((res) => res.json())
            .then(
                (json) => {
                    json.CacheSize /= 1024 * 1024
                    json.PreloadBufferSize /= 1024 * 1024
                    setSets(json)
                    setShow(true)
                },
                (error) => {
                    setShow(false)
                    console.log(error)
                }
            )
            .catch((e) => {
                setShow(false)
                console.log(e)
            })
    }, [tsHost])

    const onInputHost = (event) => {
        let host = event.target.value
        setTorrServerHost(host)
        setTSHost(host)
    }

    const inputForm = (event) => {
        let sets = JSON.parse(JSON.stringify(settings))
        if (event.target.type === 'number' || event.target.type === 'select-one') {
            sets[event.target.id] = Number(event.target.value)
        } else if (event.target.type === 'checkbox') {
            sets[event.target.id] = Boolean(event.target.checked)
        }
        setSets(sets)
    }

    return (
        <div>
            <ListItem button key="Settings" onClick={handleClickOpen}>
                <ListItemIcon>
                    <SettingsIcon />
                </ListItemIcon>
                <ListItemText primary="Settings" />
            </ListItem>
            <Dialog open={open} onClose={handleClose} aria-labelledby="form-dialog-title" fullWidth={true}>
                <DialogTitle id="form-dialog-title">Settings</DialogTitle>
                <DialogContent>
                    <TextField onChange={onInputHost} margin="dense" id="TorrServerHost" label="Host" value={tsHost} type="url" fullWidth />
                    {show && (
                        <>
                            <TextField onChange={inputForm} margin="dense" id="CacheSize" label="Cache size" value={settings.CacheSize} type="number" fullWidth />
                            <FormControlLabel control={<Switch checked={settings.PreloadBuffer} onChange={inputForm} id="PreloadBuffer" color="primary" />} label="Preload buffer" />
                            <TextField onChange={inputForm} margin="dense" id="ReaderReadAHead" label="Reader readahead" value={settings.ReaderReadAHead} type="number" fullWidth />
                            <h1 />
                            <InputLabel htmlFor="RetrackersMode">Retracker mode</InputLabel>
                            <Select onChange={inputForm} type="number" native="true" id="RetrackersMode" value={settings.RetrackersMode}>
                                <option value={0}>Don't add retrackers</option>
                                <option value={1}>Add retrackers</option>
                                <option value={2}>Remove retrackers</option>
                                <option value={3}>Replace retrackers</option>
                            </Select>
                            <TextField
                                onChange={inputForm}
                                margin="dense"
                                id="TorrentDisconnectTimeout"
                                label="Torrent disconnect timeout"
                                value={settings.TorrentDisconnectTimeout}
                                type="number"
                                fullWidth
                            />
                            <FormControlLabel control={<Switch checked={settings.EnableIPv6} onChange={inputForm} id="EnableIPv6" color="primary" />} label="Enable IPv6" />
                            <br />
                            <FormControlLabel control={<Switch checked={settings.ForceEncrypt} onChange={inputForm} id="ForceEncrypt" color="primary" />} label="Force encrypt" />
                            <br />
                            <FormControlLabel control={<Switch checked={settings.DisableTCP} onChange={inputForm} id="DisableTCP" color="primary" />} label="Disable TCP" />
                            <br />
                            <FormControlLabel control={<Switch checked={settings.DisableUTP} onChange={inputForm} id="DisableUTP" color="primary" />} label="Disable UTP" />
                            <br />
                            <FormControlLabel control={<Switch checked={settings.DisableUPNP} onChange={inputForm} id="DisableUPNP" color="primary" />} label="Disable UPNP" />
                            <br />
                            <FormControlLabel control={<Switch checked={settings.DisableDHT} onChange={inputForm} id="DisableDHT" color="primary" />} label="Disable DHT" />
                            <br />
                            <FormControlLabel control={<Switch checked={settings.DisablePEX} onChange={inputForm} id="DisablePEX" color="primary" />} label="Disable PEX" />
                            <br />
                            <FormControlLabel control={<Switch checked={settings.DisableUpload} onChange={inputForm} id="DisableUpload" color="primary" />} label="Disable upload" />
                            <br />
                            <TextField onChange={inputForm} margin="dense" id="DownloadRateLimit" label="Download rate limit" value={settings.DownloadRateLimit} type="number" fullWidth />
                            <TextField onChange={inputForm} margin="dense" id="UploadRateLimit" label="Upload rate limit" value={settings.UploadRateLimit} type="number" fullWidth />
                            <TextField onChange={inputForm} margin="dense" id="ConnectionsLimit" label="Connections limit" value={settings.ConnectionsLimit} type="number" fullWidth />
                            <TextField onChange={inputForm} margin="dense" id="DhtConnectionLimit" label="Dht connection limit" value={settings.DhtConnectionLimit} type="number" fullWidth />
                            <TextField onChange={inputForm} margin="dense" id="PeersListenPort" label="Peers listen port" value={settings.PeersListenPort} type="number" fullWidth />
                        </>
                    )}
                </DialogContent>
                <DialogActions>
                    <Button onClick={handleClose} color="primary" variant="outlined">
                        Cancel
                    </Button>
                    <Button onClick={handleCloseSave} color="primary" variant="outlined">
                        Save
                    </Button>
                </DialogActions>
            </Dialog>
        </div>
    )
}