import React from 'react';
import {
    Card,
    CardHeader,
    CardContent
} from '@material-ui/core';


class CloudUser extends React.Component {
    constructor() {
        super()
        this.state = {

        }
    }

    copyToClipboard(element) {
        const range = document.createRange();
        const selection = window.getSelection();

        // Clear selection from any previous data.
        selection.removeAllRanges();

        // Make the range select the entire content of the contentHolder paragraph.
        range.selectNodeContents(document.querySelector(element));

        // Add that range to the selection.
        selection.addRange(range);

        // Copy the selection to clipboard.
        document.execCommand('copy');

        // Clear selection if you want to.
        selection.removeAllRanges();
    }


    handleExpandChange = (expanded) => {
        this.setState({ expanded: expanded });
    };

    handleToggle = (event, toggle) => {
        this.setState({ expanded: toggle });
    };

    handleExpand = () => {
        this.setState({ expanded: true });
    };

    handleReduce = () => {
        this.setState({ expanded: false });
    };

    render() {
        let TABLE = "User";
        let columnsData = ["createdAt", "expires", "username"]
        return (
            <div>
                <div className="method">
                    <a id="CloudUser-constructor" name="CloudObject-constructor" className="section-anchor" />
                    <Card style={{marginBottom:16}}>
                        <CardHeader
                            title="Instantiate a CloudUser"
                            style={{backgroundColor:"#f4f4f4", padding:"10px 16px"}}
                        />
                        <CardContent>
                            {/*overlay={<CardHeader title="Overlay title" subheaderTypographyProps={{ style: { fontSize: '12px !important' }  }} subheader="Overlay subtitle" />}
                        >*/}
                            <div className="method-example" id="api-summary-example">

                                <span className="pull-right flag fa fa-clipboard" title="Copy.." onClick={this.copyToClipboard.bind(this, "#pre_initiateUser")}>

                                </span>
                                <pre id="pre_initiateUser">
                                    <span className="code-red">{`var`}</span>{` obj = `}<span className="code-red">{`new`}</span>{` CB.CloudUser();`}
                                </pre>
                            </div>{/* method-example */}
                        </CardContent>
                        <CardHeader title="Constructor : CloudUser()" subheaderTypographyProps={{ style: { fontSize: '12px !important' }  }} subheader="Instantiates a CloudUser object." />
                        <CardContent>
                            <div className="method-description">
                                <div className="method-list">
                                    <h6>Argument</h6>
                                    <p>It takes no argument.</p>
                                    <h6>Returns</h6>
                                    <p>void</p>
                                </div>
                            </div>
                        </CardContent>
                    </Card>
                    <a id="CloudUser-signup" name="CloudObject-set" className="section-anchor" />
                    <Card style={{marginBottom:16}}>
                        <CardHeader
                            title="Sign Up a new User"
                            style={{backgroundColor:"#f4f4f4", padding:"10px 16px"}}
                        />
                        <CardContent>
                            {/*overlay={<CardHeader title="Overlay title" subheaderTypographyProps={{ style: { fontSize: '12px !important' }  }} subheader="Overlay subtitle" />}
                        >*/}
                            <div className="method-example" id="api-summary-example">

                                <span className="pull-right flag fa fa-clipboard" title="Copy.." onClick={this.copyToClipboard.bind(this, "#pre_signUp")}>
                                    </span>
                                <pre id="pre_signUp">
                                    {
                                        `//create a new user.
`}<span className="code-red">{`var`}</span>{` user = `}<span className="code-red">{`new`}</span>{` CB.CloudUser(`}<span className="code-yellow">{`"${TABLE}"`}</span>{`); 
user.set(`}<span className="code-yellow">{`"${columnsData[0].name}", "${columnsData[0].value}"`}</span>{`);
user.set(`}<span className="code-yellow">{`"${columnsData[1].name}", "${columnsData[1].value}"`}</span>{`);
user.set(`}<span className="code-yellow">{`"${columnsData[2].name}", "${columnsData[2].value}"`}</span>{`);
user.signUp({
success:`}<span className="code-red">{`function`}</span>{`(user) {
    //Registration successfull
},
error: `}<span className="code-red">{`function`}</span>{`(err) {
    //Error in user registration.
}
});`

                                    }
                                </pre>
                            </div>{/* method-example */}
                        </CardContent>
                        <CardHeader title="CloudUser.signUp( [callback] )" subheaderTypographyProps={{ style: { fontSize: '12px !important' }  }} subheader="Registers new user given its username, email and password. " />
                        <CardContent>
                            <div className="method-description">
                                <div className="method-list">
                                    <h6>Arguments</h6>
                                    <dl className="argument-list">
                                        <dt>callback</dt>
                                        <dd className>Object <span>[optional] if provided must have success and error functions to handle respective response.</span></dd>
                                        <div className="clearfix" />
                                    </dl>
                                    <h6>Returns</h6>
                                    <p>It returns a CloudUser object which has the user information if registration is successful otherwise an error object along with JQuery promise (if callback is not provided).</p>
                                </div>
                            </div>
                        </CardContent>
                    </Card>
                    <a id="CloudUser-login" name="CloudObject-get" className="section-anchor" />
                    <Card style={{marginBottom:16}}>
                        <CardHeader
                            title="Login a User"
                            style={{backgroundColor:"#f4f4f4", padding:"10px 16px"}}
                        />
                        <CardContent>
                            {/*overlay={<CardHeader title="Overlay title" subheaderTypographyProps={{ style: { fontSize: '12px !important' }  }} subheader="Overlay subtitle" />}
                        >*/}
                            <div className="method-example" id="api-summary-example">
                                <span className="pull-right flag fa fa-clipboard" title="Copy.." onClick={this.copyToClipboard.bind(this, "#pre_login")}>
                                    </span>
                                <pre id="pre_login">
                                    {
                                        `//login a user.
`}<span className="code-red">{`var`}</span>{` user = `}<span className="code-red">{`new`}</span>{` CB.CloudUser(`}<span className="code-yellow">{`"${TABLE}"`}</span>{`); 
user.set(`}<span className="code-yellow">{`"${columnsData[0].name}", "${columnsData[0].value}"`}</span>{`);
user.set(`}<span className="code-yellow">{`"${columnsData[1].name}", "${columnsData[1].value}"`}</span>{`);
user.logIn({
success:`}<span className="code-red">{`function`}</span>{`(user) {
    //Registration successfull
},
error: `}<span className="code-red">{`function`}</span>{`(err) {
    //Error in user registration.
}
});`

                                    }
                                </pre>
                            </div>{/* method-example */}
                        </CardContent>
                        <CardHeader title="CloudUser.logIn( [callback] )" subheaderTypographyProps={{ style: { fontSize: '12px !important' }  }} subheader="Logins user given its username and password." />
                        <CardContent>
                            <div className="method-description">
                                <div className="method-list">
                                    <h6>Argument</h6>
                                    <dl className="argument-list">
                                        <dt>callback</dt>
                                        <dd className>Object<span>[optional] if provided must have success and error functions to handle respective response.</span></dd>
                                        <div className="clearfix" />
                                    </dl>
                                    <h6>Returns</h6>
                                    <p>It returns a CloudUser object which has the user information if registration is successful otherwise an error object along with JQuery promise (if callback is not provided).</p>
                                </div>
                            </div>
                        </CardContent>
                    </Card>
                </div>
            </div>
        );
    }
}

export default CloudUser;