// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.

import React from 'react';

import * as Utils from 'utils/utils.jsx';

import AdminSettings from './admin_settings.jsx';
import BooleanSetting from './boolean_setting.jsx';
import DropdownSetting from './dropdown_setting.jsx';
import {FormattedMessage, FormattedHTMLMessage} from 'react-intl';
import SettingsGroup from './settings_group.jsx';
import TextSetting from './text_setting.jsx';

export default class LogSettings extends AdminSettings {
    constructor(props) {
        super(props);

        this.getConfigFromState = this.getConfigFromState.bind(this);

        this.renderSettings = this.renderSettings.bind(this);
    }

    getConfigFromState(config) {
        config.LogSettings.EnableConsole = this.state.enableConsole;
        config.LogSettings.ConsoleLevel = this.state.consoleLevel;
        config.LogSettings.EnableFile = this.state.enableFile;
        config.LogSettings.FileLevel = this.state.fileLevel;
        config.LogSettings.FileLocation = this.state.fileLocation;
        config.LogSettings.FileFormat = this.state.fileFormat;
        config.LogSettings.EnableWebhookDebugging = this.state.enableWebhookDebugging;
        config.LogSettings.EnableDiagnostics = this.state.enableDiagnostics;

        return config;
    }

    getStateFromConfig(config) {
        return {
            enableConsole: config.LogSettings.EnableConsole,
            consoleLevel: config.LogSettings.ConsoleLevel,
            enableFile: config.LogSettings.EnableFile,
            fileLevel: config.LogSettings.FileLevel,
            fileLocation: config.LogSettings.FileLocation,
            fileFormat: config.LogSettings.FileFormat,
            enableWebhookDebugging: config.LogSettings.EnableWebhookDebugging,
            enableDiagnostics: config.LogSettings.EnableDiagnostics
        };
    }

    renderTitle() {
        return (
            <FormattedMessage
                id='admin.general.log'
                defaultMessage='Logging'
            />
        );
    }

    renderSettings() {
        const logLevels = [
            {value: 'DEBUG', text: 'DEBUG'},
            {value: 'INFO', text: 'INFO'},
            {value: 'ERROR', text: 'ERROR'}
        ];

        return (
            <SettingsGroup>
                <BooleanSetting
                    id='enableConsole'
                    label={
                        <FormattedMessage
                            id='admin.log.consoleTitle'
                            defaultMessage='Output logs to console: '
                        />
                    }
                    helpText={
                        <FormattedMessage
                            id='admin.log.consoleDescription'
                            defaultMessage='Typically set to false in production. Developers may set this field to true to output log messages to console based on the console level option.  If true, server writes messages to the standard output stream (stdout).'
                        />
                    }
                    value={this.state.enableConsole}
                    onChange={this.handleChange}
                />
                <DropdownSetting
                    id='consoleLevel'
                    values={logLevels}
                    label={
                        <FormattedMessage
                            id='admin.log.levelTitle'
                            defaultMessage='Console Log Level:'
                        />
                    }
                    value={this.state.consoleLevel}
                    onChange={this.handleChange}
                    disabled={!this.state.enableConsole}
                    helpText={
                        <FormattedMessage
                            id='admin.log.levelDescription'
                            defaultMessage='This setting determines the level of detail at which log events are written to the console. ERROR: Outputs only error messages. INFO: Outputs error messages and information around startup and initialization. DEBUG: Prints high detail for developers working on debugging issues.'
                        />
                    }
                />
                <BooleanSetting
                    id='enableFile'
                    label={
                        <FormattedMessage
                            id='admin.log.fileTitle'
                            defaultMessage='Output logs to file: '
                        />
                    }
                    helpText={
                        <FormattedMessage
                            id='admin.log.fileDescription'
                            defaultMessage='Typically set to true in production. When true, logged events are written to the mattermost.log file in the directory specified in the File Log Directory field. The logs are rotated at 10,000 lines and archived to a file in the same directory, and given a name with a datestamp and serial number. For example, mattermost.2017-03-31.001.'
                        />
                    }
                    value={this.state.enableFile}
                    onChange={this.handleChange}
                />
                <DropdownSetting
                    id='fileLevel'
                    values={logLevels}
                    label={
                        <FormattedMessage
                            id='admin.log.fileLevelTitle'
                            defaultMessage='File Log Level:'
                        />
                    }
                    value={this.state.fileLevel}
                    onChange={this.handleChange}
                    disabled={!this.state.enableFile}
                    helpText={
                        <FormattedMessage
                            id='admin.log.fileLevelDescription'
                            defaultMessage='This setting determines the level of detail at which log events are written to the log file. ERROR: Outputs only error messages. INFO: Outputs error messages and information around startup and initialization. DEBUG: Prints high detail for developers working on debugging issues.'
                        />
                    }
                />
                <TextSetting
                    id='fileLocation'
                    label={
                        <FormattedMessage
                            id='admin.log.locationTitle'
                            defaultMessage='File Log Directory:'
                        />
                    }
                    placeholder={Utils.localizeMessage('admin.log.locationPlaceholder', 'Enter your file location')}
                    helpText={
                        <FormattedMessage
                            id='admin.log.locationDescription'
                            defaultMessage='The location of the log files. If blank, they are stored in the ./logs directory. The path that you set must exist and Mattermost must have write permissions in it.'
                        />
                    }
                    value={this.state.fileLocation}
                    onChange={this.handleChange}
                    disabled={!this.state.enableFile}
                />
                <TextSetting
                    id='fileFormat'
                    label={
                        <FormattedMessage
                            id='admin.log.formatTitle'
                            defaultMessage='File Log Format:'
                        />
                    }
                    placeholder={Utils.localizeMessage('admin.log.formatPlaceholder', 'Enter your file format')}
                    helpText={this.renderFileFormatHelpText()}
                    value={this.state.fileFormat}
                    onChange={this.handleChange}
                    disabled={!this.state.enableFile}
                />
                <BooleanSetting
                    id='enableWebhookDebugging'
                    label={
                        <FormattedMessage
                            id='admin.log.enableWebhookDebugging'
                            defaultMessage='Enable Webhook Debugging:'
                        />
                    }
                    helpText={
                        <FormattedMessage
                            id='admin.log.enableWebhookDebuggingDescription'
                            defaultMessage='You can set this to false to disable the debug logging of all incoming webhook request bodies.'
                        />
                    }
                    value={this.state.enableWebhookDebugging}
                    onChange={this.handleChange}
                />
                <BooleanSetting
                    id='enableDiagnostics'
                    label={
                        <FormattedMessage
                            id='admin.log.enableDiagnostics'
                            defaultMessage='Enable Diagnostics and Error Reporting:'
                        />
                    }
                    helpText={
                        <FormattedHTMLMessage
                            id='admin.log.enableDiagnosticsDescription'
                            defaultMessage='Enable this feature to improve the quality and performance of Mattermost by sending error reporting and diagnostic information to Mattermost, Inc. Read our <a href="https://about.mattermost.com/default-privacy-policy/" target="_blank">privacy policy</a> to learn more.'
                        />
                    }
                    value={this.state.enableDiagnostics}
                    onChange={this.handleChange}
                />
            </SettingsGroup>
        );
    }

    renderFileFormatHelpText() {
        return (
            <div>
                <FormattedMessage
                    id='admin.log.formatDescription'
                    defaultMessage='Format of log message output. If blank will be set to "[%D %T] [%L] %M", where:'
                />
                <table
                    className='table table-bordered'
                    cellPadding='5'
                >
                    <tbody>
                        <tr>
                            <td>{'%T'}</td>
                            <td>
                                <FormattedMessage
                                    id='admin.log.formatTime'
                                    defaultMessage='Time (15:04:05 MST)'
                                />
                            </td>
                        </tr>
                        <tr>
                            <td>{'%D'}</td>
                            <td>
                                <FormattedMessage
                                    id='admin.log.formatDateLong'
                                    defaultMessage='Date (2006/01/02)'
                                />
                            </td>
                        </tr>
                        <tr>
                            <td>{'%d'}</td>
                            <td>
                                <FormattedMessage
                                    id='admin.log.formatDateShort'
                                    defaultMessage='Date (01/02/06)'
                                />
                            </td>
                        </tr>
                        <tr>
                            <td>{'%L'}</td>
                            <td>
                                <FormattedMessage
                                    id='admin.log.formatLevel'
                                    defaultMessage='Level (DEBG, INFO, EROR)'
                                />
                            </td>
                        </tr>
                        <tr>
                            <td>{'%S'}</td>
                            <td>
                                <FormattedMessage
                                    id='admin.log.formatSource'
                                    defaultMessage='Source'
                                />
                            </td>
                        </tr>
                        <tr>
                            <td>{'%M'}</td>
                            <td>
                                <FormattedMessage
                                    id='admin.log.formatMessage'
                                    defaultMessage='Message'
                                />
                            </td>
                        </tr>
                    </tbody>
                </table>
            </div>
        );
    }
}