/*
Copyright 2019 New Vector Ltd

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 from 'react';
import {_t} from "../../../../languageHandler";
import MatrixClientPeg from "../../../../MatrixClientPeg";
import GroupUserSettings from "../../groups/GroupUserSettings";
import PropTypes from "prop-types";
import {MatrixClient} from "matrix-js-sdk";
import { DragDropContext } from 'react-beautiful-dnd';
import ProfileSettings from "../ProfileSettings";
import EmailAddresses from "../EmailAddresses";
import PhoneNumbers from "../PhoneNumbers";
import Field from "../../elements/Field";
import * as languageHandler from "../../../../languageHandler";
import {SettingLevel} from "../../../../settings/SettingsStore";
import SettingsStore from "../../../../settings/SettingsStore";
import LanguageDropdown from "../../elements/LanguageDropdown";
import AccessibleButton from "../../elements/AccessibleButton";
import DeactivateAccountDialog from "../../dialogs/DeactivateAccountDialog";
const PlatformPeg = require("../../../../PlatformPeg");
const sdk = require('../../../../index');
const Modal = require("../../../../Modal");
const dis = require("../../../../dispatcher");

export default class GeneralSettingsTab extends React.Component {
    static childContextTypes = {
        matrixClient: PropTypes.instanceOf(MatrixClient),
    };

    constructor() {
        super();

        this.state = {
            language: languageHandler.getCurrentLanguage(),
            theme: SettingsStore.getValueAt(SettingLevel.ACCOUNT, "theme"),
        };
    }

    getChildContext() {
        return {
            matrixClient: MatrixClientPeg.get(),
        };
    }

    _onLanguageChange = (newLanguage) => {
        if (this.state.language === newLanguage) return;

        SettingsStore.setValue("language", null, SettingLevel.DEVICE, newLanguage);
        this.setState({language: newLanguage});
        PlatformPeg.get().reload();
    };

    _onThemeChange = (e) => {
        const newTheme = e.target.value;
        if (this.state.theme === newTheme) return;

        SettingsStore.setValue("theme", null, SettingLevel.ACCOUNT, newTheme);
        dis.dispatch({action: 'set_theme', value: newTheme});
    };

    _onPasswordChangeError = (err) => {
        // TODO: Figure out a design that doesn't involve replacing the current dialog
        let errMsg = err.error || "";
        if (err.httpStatus === 403) {
            errMsg = _t("Failed to change password. Is your password correct?");
        } else if (err.httpStatus) {
            errMsg += ` (HTTP status ${err.httpStatus})`;
        }
        const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
        console.error("Failed to change password: " + errMsg);
        Modal.createTrackedDialog('Failed to change password', '', ErrorDialog, {
            title: _t("Error"),
            description: errMsg,
        });
    };

    _onPasswordChanged = () => {
        // TODO: Figure out a design that doesn't involve replacing the current dialog
        const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
        Modal.createTrackedDialog('Password changed', '', ErrorDialog, {
            title: _t("Success"),
            description: _t(
                "Your password was successfully changed. You will not receive " +
                "push notifications on other devices until you log back in to them",
            ) + ".",
        });
    };

    _onDeactivateClicked = () => {
        Modal.createTrackedDialog('Deactivate Account', '', DeactivateAccountDialog, {});
    };

    _renderProfileSection() {
        // HACK/TODO: Using DragDropContext feels wrong, but we need it.
        return (
            <div className="mx_SettingsTab_section">
                <span className="mx_SettingsTab_subheading">{_t("Profile")}</span>
                <ProfileSettings />

                <span className="mx_SettingsTab_subheading">{_t("Flair")}</span>
                <DragDropContext>
                    <GroupUserSettings />
                </DragDropContext>
            </div>
        );
    }

    _renderAccountSection() {
        const ChangePassword = sdk.getComponent("views.settings.ChangePassword");
        const passwordChangeForm = (
            <ChangePassword
                className="mx_GeneralSettingsTab_changePassword"
                rowClassName=""
                buttonKind="primary"
                onError={this._onPasswordChangeError}
                onFinished={this._onPasswordChanged} />
        );

        return (
            <div className="mx_SettingsTab_section mx_GeneralSettingsTab_accountSection">
                <span className="mx_SettingsTab_subheading">{_t("Account")}</span>
                <p className="mx_SettingsTab_subsectionText">
                    {_t("Set a new account password...")}
                </p>
                {passwordChangeForm}

                <span className="mx_SettingsTab_subheading">{_t("Email addresses")}</span>
                <EmailAddresses />

                <span className="mx_SettingsTab_subheading">{_t("Phone numbers")}</span>
                <PhoneNumbers />
            </div>
        );
    }

    _renderLanguageSection() {
        // TODO: Convert to new-styled Field
        return (
            <div className="mx_SettingsTab_section">
                <span className="mx_SettingsTab_subheading">{_t("Language and region")}</span>
                <LanguageDropdown className="mx_GeneralSettingsTab_languageInput"
                                  onOptionChange={this._onLanguageChange} value={this.state.language} />
            </div>
        );
    }

    _renderThemeSection() {
        // TODO: Re-enable theme selection once the themes actually work
        const SettingsFlag = sdk.getComponent("views.elements.SettingsFlag");
        return (
            <div className="mx_SettingsTab_section mx_GeneralSettingsTab_themeSection">
                <span className="mx_SettingsTab_subheading">{_t("Theme")}</span>
                <Field id="theme" label={_t("Theme")} element="select" disabled={true}
                       value={this.state.theme} onChange={this._onThemeChange}>
                    <option value="light">{_t("Light theme")}</option>
                    <option value="dark">{_t("Dark theme")}</option>
                    <option value="dharma">{_t("2018 theme")}</option>
                    <option value="status">{_t("Status.im theme")}</option>
                </Field>
                <SettingsFlag name="useCompactLayout" level={SettingLevel.ACCOUNT} />
            </div>
        );
    }

    _renderManagementSection() {
        // TODO: Improve warning text for account deactivation
        return (
            <div className="mx_SettingsTab_section">
                <span className="mx_SettingsTab_subheading">{_t("Account management")}</span>
                <span className="mx_SettingsTab_subsectionText">
                    {_t("Deactivating your account is a permanent action - be careful!")}
                </span>
                <AccessibleButton onClick={this._onDeactivateClicked} kind="danger">
                    {_t("Close Account")}
                </AccessibleButton>
            </div>
        );
    }

    render() {
        return (
            <div className="mx_SettingsTab">
                <div className="mx_SettingsTab_heading">{_t("General")}</div>
                {this._renderProfileSection()}
                {this._renderAccountSection()}
                {this._renderLanguageSection()}
                {this._renderThemeSection()}
                {this._renderManagementSection()}
            </div>
        );
    }
}