/*
Copyright 2019 Michael Telatynski <7t3chguy@gmail.com>

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

import React, {PureComponent} from 'react';
import sdk from '../../../index';
import { _t } from '../../../languageHandler';
import PropTypes from "prop-types";
import {MatrixEvent} from "matrix-js-sdk";
import MatrixClientPeg from "../../../MatrixClientPeg";

/*
 * A dialog for reporting an event.
 */
export default class ReportEventDialog extends PureComponent {
    static propTypes = {
        mxEvent: PropTypes.instanceOf(MatrixEvent).isRequired,
        onFinished: PropTypes.func.isRequired,
    };

    constructor(props, context) {
        super(props, context);

        this.state = {
            reason: "",
            busy: false,
            err: null,
        };
    }

    _onReasonChange = ({target: {value: reason}}) => {
        this.setState({ reason });
    };

    _onCancel = () => {
        this.props.onFinished(false);
    };

    _onSubmit = async () => {
        if (!this.state.reason || !this.state.reason.trim()) {
            this.setState({
                err: _t("Please fill why you're reporting."),
            });
            return;
        }

        this.setState({
            busy: true,
            err: null,
        });

        try {
            const ev = this.props.mxEvent;
            await MatrixClientPeg.get().reportEvent(ev.getRoomId(), ev.getId(), -100, this.state.reason.trim());
            this.props.onFinished(true);
        } catch (e) {
            this.setState({
                busy: false,
                err: e.message,
            });
        }
    };

    render() {
        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
        const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
        const Loader = sdk.getComponent('elements.Spinner');
        const Field = sdk.getComponent('elements.Field');

        let error = null;
        if (this.state.err) {
            error = <div className="error">
                {this.state.err}
            </div>;
        }

        let progress = null;
        if (this.state.busy) {
            progress = (
                <div className="progress">
                    <Loader />
                </div>
            );
        }

        return (
            <BaseDialog
                className="mx_BugReportDialog"
                onFinished={this.props.onFinished}
                title={_t('Report Content')}
                contentId='mx_ReportEventDialog'
            >
                <div className="mx_ReportEventDialog" id="mx_ReportEventDialog">
                    <Field
                        id="mx_ReportEventDialog_reason"
                        className="mx_ReportEventDialog_reason"
                        element="textarea"
                        label={_t("Reason")}
                        rows={5}
                        onChange={this._onReasonChange}
                        value={this.state.reason}
                        disabled={this.state.busy}
                    />
                    {progress}
                    {error}
                </div>
                <DialogButtons
                    primaryButton={_t("Send report")}
                    onPrimaryButtonClick={this._onSubmit}
                    focus={true}
                    onCancel={this._onCancel}
                    disabled={this.state.busy}
                />
            </BaseDialog>
        );
    }
}