import React from 'react';
import { dataqueryService, authenticationService } from '@/_services';
import { ToastContainer, toast } from 'react-toastify';
import 'react-toastify/dist/ReactToastify.css';
import { Restapi } from './Restapi';
import { Mysql } from './Mysql';
import { Postgresql } from './Postgresql';
import { Stripe } from './Stripe';
import { Firestore } from './Firestore';
import { Redis } from './Redis';
import { Googlesheets } from './Googlesheets';
import SelectSearch, { fuzzySearch } from 'react-select-search';
import ReactTooltip from 'react-tooltip';
import { Elasticsearch } from './Elasticsearch';

const allSources = {
    Restapi,
    Mysql,
    Postgresql,
    Stripe,
    Firestore,
    Redis,
    Googlesheets,
    Elasticsearch
}

const queryNameRegex = new RegExp("^[A-Za-z0-9_-]*$");

const staticDataSources = [
    { kind: 'restapi', id: 'restapi', name: 'REST API' },
]

const defaultOptions = {
    'postgresql': {

    },
    'redis': {
        query: 'PING'
    },
    'mysql': {

    },
    'firestore': {
        path: '',
    },
    'elasticsearch': {
        query: '',
    },
    'restapi': {
        method: 'GET',
        url: null,
        url_params: [ ['', ''] ],
        headers: [ ['', ''] ],
        body: [ ['', ''] ],
    },
    'stripe': {
    },
    'googlesheets': {
        operation: 'read'
    }
}

class QueryManager extends React.Component {
    constructor(props) {
        super(props);

        this.state = {
           
        };
    }

    setStateFromProps = (props) => {
        const selectedQuery = props.selectedQuery;

        this.setState({
            appId: props.appId,
            dataSources: props.dataSources,
            dataQueries: props.dataQueries,
            mode: props.mode,
            currentTab: 1,
            addingQuery: props.addingQuery, 
            editingQuery: props.editingQuery,
            queryPaneHeight: props.queryPaneHeight,
            currentState: props.currentState
        }, () => {
            if(this.props.mode === 'edit') {
                const source = props.dataSources.find(source => source.id === selectedQuery.data_source_id) 
    
                this.setState({
                    options: selectedQuery.options,
                    selectedDataSource: source,
                    selectedQuery,
                    queryName: selectedQuery.name
                })
            } else { 
                this.setState({
                    options: {},
                    selectedDataSource: null,
                    selectedQuery: null,
                })
            }
        });
    }

    componentWillReceiveProps(nextProps) {
        this.setStateFromProps(nextProps);
    }

    componentDidMount() {
        this.setStateFromProps(this.props);
    }

    changeDataSource = (sourceId) => {
        const source = [...this.state.dataSources, ...staticDataSources].find(source => source.id === sourceId);
        this.setState({ selectedDataSource: source, options: defaultOptions[source.kind], queryName: this.computeQueryName(source.kind) });
    }

    switchCurrentTab = (tab) => {
        this.setState({
            currentTab: tab
        });
    }

    validateQueryName = () => {
        const { queryName, dataQueries, mode, selectedQuery} = this.state;

        if(mode === 'create') { 
            return (dataQueries.find(query => query.name === queryName) === undefined) && queryNameRegex.test(queryName);
        } else {
            const existingQuery = dataQueries.find(query => query.name === queryName);
            if (existingQuery) {
                return (existingQuery.id === selectedQuery.id) && queryNameRegex.test(queryName);
            } else {
                queryNameRegex.test(queryName);
            }
        }
    }

    computeQueryName = (kind) => {
        const { dataQueries } = this.state;
        const currentQueriesForKind = dataQueries.filter(query => query.kind === kind);
        let found = false;
        let name = '';
        let currentNumber = currentQueriesForKind.length + 1;

        while(!found) { 
            name = `${kind}${currentNumber}`;
            if(dataQueries.find(query => query.name === name) === undefined) {
                found = true;
            }
            currentNumber = currentNumber + 1
        }

        return name;
    }

    createOrUpdateDataQuery = () => {
        const  { appId, options, selectedDataSource, mode, queryName } = this.state;
        const kind = selectedDataSource.kind;
        const dataSourceId = selectedDataSource.id;

        const isQueryNameValid = this.validateQueryName();
        if(!isQueryNameValid) {
            toast.error('Invalid query name. Should be unique and only include letters, numbers and underscore.', { hideProgressBar: true, position: "bottom-center", });
            return;
        }

        if ( mode === 'edit') {
            this.setState({ isUpdating: true });
            dataqueryService.update(this.state.selectedQuery.id, queryName, options).then((data) => {
                toast.success('Query Updated', { hideProgressBar: true, position: "bottom-center", });
                this.setState({ isUpdating: false });
                this.props.dataQueriesChanged();
            });
        } else { 
            this.setState({ isCreating: true });
            dataqueryService.create(appId, queryName, kind, options, dataSourceId).then((data) => {
                toast.success('Query Added', { hideProgressBar: true, position: "bottom-center", });
                this.setState({ isCreating: false });
                this.props.dataQueriesChanged();
            });
        }
    }

    optionchanged = (option, value) => {
        this.setState( { options: { ...this.state.options, [option]: value } } );
    }

    optionsChanged = (newOptions) => {
        this.setState({ options: newOptions });
    }

    toggleOption = (option) => {
        const currentValue = this.state.options[option] ? this.state.options[option] : false;
        this.optionchanged(option, !currentValue);
    }

    renderDataSourceOption = (props, option, snapshot, className) => {
        return (
            <button {...props} className={className} type="button">
                <div className="row">
                    <div className="col-md-9">
                        <span className="text-muted mx-2">{option.name}</span>
                    </div>
                </div>
            </button>
        );
    }

    render() {
        const { 
            dataSources, 
            selectedDataSource, 
            mode, 
            currentTab, 
            isUpdating, 
            isCreating, 
            addingQuery, 
            editingQuery, 
            selectedQuery,
            queryPaneHeight,
            currentState,
            queryName
        } = this.state;

        let ElementToRender = '';

        if(selectedDataSource) {
            const sourcecomponentName = selectedDataSource.kind.charAt(0).toUpperCase() + selectedDataSource.kind.slice(1);
            ElementToRender = allSources[sourcecomponentName];
        }

        let buttonText = mode === 'edit' ? 'Save' : 'Create';
        const buttonDisabled = isUpdating || isCreating;

        if(isUpdating) { buttonText = 'Saving...'}
        if(isCreating) { buttonText = 'Creating...'}

        return (
            <div className="query-manager" key={selectedQuery ? selectedQuery.id : ''}>
                <ReactTooltip type="dark" effect="solid" delayShow={250} />
                <div className="row header">
                    <div className="col">
                        {(addingQuery || editingQuery) && 
                            <div className="nav-header">
                                <ul className="nav nav-tabs" data-bs-toggle="tabs">
                                    <li className="nav-item">
                                        <a 
                                            onClick={() => this.switchCurrentTab(1)} 
                                            className={currentTab === 1 ? 'nav-link active' : 'nav-link'} 
                                        >
                                            &nbsp; General
                                        </a>
                                    </li>
                                    <li className="nav-item">
                                        <a 
                                            onClick={() => this.switchCurrentTab(2)} 
                                            className={currentTab === 2 ? 'nav-link active' : 'nav-link'}  
                                        >
                                            &nbsp; Advanced
                                        </a>
                                    </li>
                                    
                                </ul>
                            </div>
                        }
                    </div>
                    {(addingQuery || editingQuery) && 
                        <div className="col query-name-field">
                            <div className="input-icon" style={{width: '160px'}}>
                                <input 
                                    type="text" 
                                    onChange={(e) => this.setState({ queryName: e.target.value })}
                                    class="form-control-plaintext form-control-plaintext-sm mt-1" 
                                    value={queryName}
                                    style={{width: '160px'}}
                                    autoFocus
                                />
                                <span class="input-icon-addon">
                                    <img src="https://www.svgrepo.com/show/149235/edit.svg" width="12" height="12"/>
                                </span>
                            </div>
                        </div>
                    }
                    <div className="col-auto">
                        {((addingQuery || editingQuery) && selectedQuery) && 
                            <span
                                data-tip="NOTE: Query should be saved before running." 
                                onClick={() => this.props.runQuery(selectedQuery.id, selectedQuery.name)} 
                                className={`btn btn-secondary m-1 float-right1 ${currentState.queries[selectedQuery.name].isLoading === true ? ' btn-loading' : '' }`}
                            >
                                Run
                            </span>
                        }
                        {(addingQuery || editingQuery) && 
                            <button onClick={this.createOrUpdateDataQuery} disabled={buttonDisabled} className="btn btn-primary m-1 float-right">
                                { buttonText }
                            </button>
                        }
                        {queryPaneHeight === '30%' ?
                            <span className="btn btn-light m-1" onClick={this.props.toggleQueryPaneHeight} data-tip="Maximize query editor">
                                <img src="https://www.svgrepo.com/show/129993/expand.svg" width="12" height="12"/>
                            </span>
                            :
                            <span className="btn btn-light m-1" onClick={this.props.toggleQueryPaneHeight} data-tip="Minimize query editor">
                                <img src="https://www.svgrepo.com/show/310476/arrow-minimize.svg" width="12" height="12"/>
                            </span>
                        }
                        
                    </div>
                </div>

                {(addingQuery || editingQuery) && 
                    <div>
                        {currentTab === 1 && 
                            <div className="row row-deck p-3">
                                {(dataSources && mode ==='create') && 
                                    <div className="datasource-picker mb-2">
                                        <label className="form-label col-md-2">Datasource</label>
                                        <SelectSearch 
                                            options={[
                                                ...dataSources.map(source => { return  { name: source.name, value: source.id } }),
                                                ...staticDataSources.map(source => { return  {name: source.name, value: source.id} }),
                                            ]}
                                            value={selectedDataSource ? selectedDataSource.id : ''} 
                                            search={true}
                                            onChange={(value) => this.changeDataSource(value) }
                                            filterOptions={fuzzySearch}
                                            renderOption={this.renderDataSourceOption}
                                            placeholder="Select a data source" 
                                        />
                                    </div>
                                }   

                                {selectedDataSource && 
                                    <div>
                                    
                                            <ElementToRender
                                                options={this.state.options}
                                                optionsChanged={this.optionsChanged}
                                            />
                                        
                                    </div>
                                }

                            </div>
                        }

                        {currentTab === 2 && 
                            <div className="advanced-options-container p-2 m-2">
                                <label className="form-check form-switch">
                                    <input 
                                        className="form-check-input" 
                                        type="checkbox" 
                                        onClick={() => this.toggleOption('runOnPageLoad')}
                                        checked={this.state.options.runOnPageLoad} 
                                    />
                                    <span className="form-check-label">Run this query on page load?</span>
                                </label>
                                <label className="form-check form-switch">
                                    <input 
                                        className="form-check-input" 
                                        type="checkbox" 
                                        onClick={() => this.toggleOption('requestConfirmation')}
                                        checked={this.state.options.requestConfirmation} 
                                    />
                                    <span className="form-check-label">Request confirmation before running query?</span>
                                </label>

                                <hr/>

                                <label className="form-check form-switch">
                                    <input 
                                        className="form-check-input" 
                                        type="checkbox" 
                                        onClick={() => this.toggleOption('showSuccessNotification')}
                                        checked={this.state.options.showSuccessNotification} 
                                    />
                                    <span className="form-check-label">Show notification on success?</span>

                                </label>

                                <div class="row mt-3">
                                    <div class="col-auto">
                                        <label class="form-label p-2">Success Message</label>
                                    </div>
                                    <div class="col">
                                        <input 
                                            type="text" 
                                            disabled={!this.state.options.showSuccessNotification}
                                            value={this.state.options.successMessage}
                                            onChange={(e) => this.optionchanged('successMessage', e.target.value)}
                                            placeholder="Query ran successfully"
                                            class="form-control" 
                                            value={this.state.options.successMessage} 
                                        />
                                    </div>
                                </div>

                                <hr/>

                                <div class="row mt-3">
                                    <div class="col-auto">
                                        <label class="form-label p-2">Notification duration (s)</label>
                                    </div>
                                    <div class="col">
                                        <input 
                                            type="number" 
                                            disabled={!this.state.options.showSuccessNotification}
                                            value={this.state.options.notificationDuration}
                                            onChange={(e) => this.optionchanged('notificationDuration', e.target.value)}
                                            placeholder={5}
                                            class="form-control" 
                                            value={this.state.options.notificationDuration} 
                                        />
                                    </div>
                                </div>
                            </div>
                        }
                </div>
            }
            </div>
        )
    }
}

export { QueryManager };