import React, { Component } from "react";
import Form from 'react-bootstrap/Form';
import Button from "react-bootstrap/esm/Button";

import { connect } from "react-redux";
import { bindActionCreators } from "redux";

import * as applicationManagementActions from "../state/ApplicationManagementActions"

const mapStateToProps = state => {
    return {
        accessToken: state.AuthenticationReducer.accessToken,
        isAdmin: state.AuthenticationReducer.isAdmin,
        user: state.AuthenticationReducer.user
    };
}

class CreateNewApplicationForm extends Component {
    constructor(props) {
        super(props);

        if (!this.props.isAdmin) {
            this.state = {
                degreeCourseID: this.props.degreeCourse.id,
                targetPeriodYear: "",
                targetPeriodShortName: ""
            }
        } else {
            this.state = {
                applicantUserID: "",
                degreeCourseID: this.props.degreeCourse.id,
                targetPeriodYear: "",
                targetPeriodShortName: ""
            };
        }
        this.handleChange = this.handleChange.bind(this);
        this.handleSubmit = this.handleSubmit.bind(this);
    }

    handleChange(e) {
        const { name, value } = e.target;
        this.setState({ [name]: value })
    }

    async handleSubmit(e) {
        e.preventDefault();
        const { createNewApplicationAction } = this.props;
        this.props.goBack()
        await createNewApplicationAction(this.state, this.props.accessToken)
    }

    handle

    render() {
        let degreeCourse = this.props.degreeCourse
        let userIDField
        if (this.props.isAdmin) {
            userIDField = (
                <>
                    <Form.Group className="mb-3">
                        <Form.Label>User-ID</Form.Label>
                        <Form.Control id="CreateDegreeCourseApplicationEditUserID" name="applicantUserID" type="text" placeholder="Bitte User-ID eingeben" onChange={this.handleChange} />
                    </Form.Group>
                </>)
        } else {
            userIDField = (
                <>
                    <Form.Group className="mb-3">
                        <Form.Label>User-ID</Form.Label>
                        <Form.Control id="CreateDegreeCourseApplicationEditUserID" name="applicantUserID" type="read" disabled value={this.props.user} />
                    </Form.Group>
                </>)
        }

        return (
            <div style={{ display: 'flex', flexFlow: 'column', alignItems: 'center', textAlign: 'left', padding: '2em', background: "#fff", borderRadius: '30px', margin: '3rem' }}>
                <Form style={{ width: '60rem' }}>
                <h2>Bewerbung Anlegen</h2>
                    <Form.Group className="mb-3">
                        <Form.Label>Studiengang</Form.Label>
                        <Form.Control id="CreateDegreeCourseComponentEditDegreeCourseName" disabled value={degreeCourse.shortName + ": " + degreeCourse.name} type="text" onChange={this.handleChange} required />
                    </Form.Group>

                    {userIDField}

                    <Form.Group className="mb-3">
                        <Form.Label>Year</Form.Label>
                        <Form.Control id="CreateDegreeCourseApplicationEditTargetPeriodYear" name="targetPeriodYear" type="number" min={new Date().getFullYear()} placeholder="Year" onChange={this.handleChange} />
                    </Form.Group>

                    <Form.Group>
                        <Form.Label>Semester</Form.Label>
                        <Form.Control style={{ marginBottom: '1rem' }} id="CreateDegreeCourseApplicationEditTargetPeriodName" as="select" name="targetPeriodShortName" aria-label="Default select example" onChange={this.handleChange}>
                            <option value="">Bitte Semester auswählen</option>
                            <option value="WiSe">Wintersemester</option>
                            <option value="SoSe">Sommersemester</option>
                        </Form.Control>
                    </Form.Group>

                    <Button style={{ marginRight: '1rem' }} id="CreateDegreeCourseApplicationCancelButton" variant="primary" type="button" onClick={this.props.goBack}>
                        Cancel
                    </Button>
                    <Button id="CreateDegreeCourseApplicationCreateButton" variant="primary" type="submit" onClick={this.handleSubmit}>
                        Submit
                    </Button>
                </Form>
            </div>
        )
    }
}

const mapDispatchToProps = dispatch => bindActionCreators({
    createNewApplicationAction: applicationManagementActions.passNewApplication
}, dispatch)

const ConnectedApplicationForm = connect(mapStateToProps, mapDispatchToProps)(CreateNewApplicationForm)
export default ConnectedApplicationForm