//Lib
import React from 'react';
import classes from './SetupWizard.module.css';
import { useState, useEffect } from 'react';
import { useRouter } from 'next/router';
import Select from 'react-select';

//Components
import WizardStepBar from '../../Components/WizardSteps/WizardStepBar/WizardStepBar';
import WizardStep1 from '../../Components/WizardSteps/WizardStep1/WizardStep1';
import WizardStep2 from '../../Components/WizardSteps/WizardStep2/WizardStep2';
import WizardStep3 from '../../Components/WizardSteps/WizardStep3/WizardStep3';
import WizardStep4 from '../../Components/WizardSteps/WizardStep4/WizardStep4';

function SetupWizard(props) {
    ////Var
    const router = useRouter();

    ////States
    const [list, setList] = useState([]);
    const [listIsLoading, setListIsLoading] = useState(true);
    const [step, setStep] = useState();
    const [selectedOption, setSelectedOption] = useState({
        id: '#id',
        repository: 'repo',
        unixUser: 'user',
    });

    ////LifeCycle
    //ComponentDidMount
    useEffect(() => {
        //retrieve the repository list
        const repoList = async () => {
            try {
                const response = await fetch('/api/repo', {
                    method: 'GET',
                    headers: {
                        'Content-type': 'application/json',
                    },
                });
                setList((await response.json()).repoList);
                setListIsLoading(false);
            } catch (error) {
                console.log('Fetching datas error');
            }
        };
        repoList();
    }, []);
    //Component did update
    useEffect(() => {
        //Go to the step in the URL param when URL change
        setStep(props.step);
    }, [props.step]);

    ////Functions

    //Options for react-select
    const options = list.map((repo) => ({
        label: `${repo.alias} - #${repo.id}`,
        value: `${repo.alias} - #${repo.id}`,
        id: repo.id,
        repository: repo.repository,
        unixUser: repo.unixUser,
    }));

    //Step button (free selection of user)
    const changeStepHandler = (x) => router.push('/setup-wizard/' + x);

    //Next Step button
    const nextStepHandler = () => {
        if (step < 4) {
            router.push('/setup-wizard/' + `${Number(step) + 1}`);
        }
    };

    //Previous Step button
    const previousStepHandler = () => {
        if (step > 1) {
            router.push('/setup-wizard/' + `${Number(step) - 1}`);
        }
    };

    //Change Step with State
    const wizardStep = (step) => {
        if (step == 1) {
            return <WizardStep1 />;
        } else if (step == 2) {
            return <WizardStep2 selectedOption={selectedOption} />;
        } else if (step == 3) {
            return <WizardStep3 selectedOption={selectedOption} />;
        } else {
            return <WizardStep4 selectedOption={selectedOption} />;
        }
    };

    return (
        <div className={classes.container}>
            <WizardStepBar
                setStep={(x) => changeStepHandler(x)}
                step={step}
                nextStepHandler={() => nextStepHandler()}
                previousStepHandler={() => previousStepHandler()}
            />
            <div className={classes.selectRepo}>
                <Select
                    onChange={setSelectedOption}
                    isLoading={listIsLoading}
                    isDisabled={listIsLoading}
                    options={options}
                    isSearchable
                    placeholder='Select your repository...'
                    theme={(theme) => ({
                        ...theme,
                        borderRadius: '5px',
                        colors: {
                            ...theme.colors,
                            primary25: '#c3b6fa',
                            primary: '#6d4aff',
                        },
                    })}
                />
            </div>

            {wizardStep(step)}
        </div>
    );
}

export default SetupWizard;