/*
Copyright 2019 New Vector Ltd
Copyright 2019 The Matrix.org Foundation C.I.C.

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 PropTypes from 'prop-types';

import { _t } from "../../../../languageHandler";
import { MatrixClientPeg } from "../../../../MatrixClientPeg";
import * as sdk from '../../../../index';
import Modal from '../../../../Modal';
import AddThreepid from '../../../../AddThreepid';
import { replaceableComponent } from "../../../../utils/replaceableComponent";

/*
TODO: Improve the UX for everything in here.
This is a copy/paste of EmailAddresses, mostly.
 */

// TODO: Combine EmailAddresses and PhoneNumbers to be 3pid agnostic

export class PhoneNumber extends React.Component {
    static propTypes = {
        msisdn: PropTypes.object.isRequired,
    };

    constructor(props) {
        super(props);

        const { bound } = props.msisdn;

        this.state = {
            verifying: false,
            verificationCode: "",
            addTask: null,
            continueDisabled: false,
            bound,
        };
    }

    // TODO: [REACT-WARNING] Replace with appropriate lifecycle event
    UNSAFE_componentWillReceiveProps(nextProps) { // eslint-disable-line camelcase
        const { bound } = nextProps.msisdn;
        this.setState({ bound });
    }

    async changeBinding({ bind, label, errorTitle }) {
        if (!await MatrixClientPeg.get().doesServerSupportSeparateAddAndBind()) {
            return this.changeBindingTangledAddBind({ bind, label, errorTitle });
        }

        const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
        const { medium, address } = this.props.msisdn;

        try {
            if (bind) {
                const task = new AddThreepid();
                this.setState({
                    verifying: true,
                    continueDisabled: true,
                    addTask: task,
                });
                // XXX: Sydent will accept a number without country code if you add
                // a leading plus sign to a number in E.164 format (which the 3PID
                // address is), but this goes against the spec.
                // See https://github.com/matrix-org/matrix-doc/issues/2222
                await task.bindMsisdn(null, `+${address}`);
                this.setState({
                    continueDisabled: false,
                });
            } else {
                await MatrixClientPeg.get().unbindThreePid(medium, address);
            }
            this.setState({ bound: bind });
        } catch (err) {
            console.error(`Unable to ${label} phone number ${address} ${err}`);
            this.setState({
                verifying: false,
                continueDisabled: false,
                addTask: null,
            });
            Modal.createTrackedDialog(`Unable to ${label} phone number`, '', ErrorDialog, {
                title: errorTitle,
                description: ((err && err.message) ? err.message : _t("Operation failed")),
            });
        }
    }

    async changeBindingTangledAddBind({ bind, label, errorTitle }) {
        const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
        const { medium, address } = this.props.msisdn;

        const task = new AddThreepid();
        this.setState({
            verifying: true,
            continueDisabled: true,
            addTask: task,
        });

        try {
            await MatrixClientPeg.get().deleteThreePid(medium, address);
            // XXX: Sydent will accept a number without country code if you add
            // a leading plus sign to a number in E.164 format (which the 3PID
            // address is), but this goes against the spec.
            // See https://github.com/matrix-org/matrix-doc/issues/2222
            if (bind) {
                await task.bindMsisdn(null, `+${address}`);
            } else {
                await task.addMsisdn(null, `+${address}`);
            }
            this.setState({
                continueDisabled: false,
                bound: bind,
            });
        } catch (err) {
            console.error(`Unable to ${label} phone number ${address} ${err}`);
            this.setState({
                verifying: false,
                continueDisabled: false,
                addTask: null,
            });
            Modal.createTrackedDialog(`Unable to ${label} phone number`, '', ErrorDialog, {
                title: errorTitle,
                description: ((err && err.message) ? err.message : _t("Operation failed")),
            });
        }
    }

    onRevokeClick = (e) => {
        e.stopPropagation();
        e.preventDefault();
        this.changeBinding({
            bind: false,
            label: "revoke",
            errorTitle: _t("Unable to revoke sharing for phone number"),
        });
    }

    onShareClick = (e) => {
        e.stopPropagation();
        e.preventDefault();
        this.changeBinding({
            bind: true,
            label: "share",
            errorTitle: _t("Unable to share phone number"),
        });
    }

    onVerificationCodeChange = (e) => {
        this.setState({
            verificationCode: e.target.value,
        });
    }

    onContinueClick = async (e) => {
        e.stopPropagation();
        e.preventDefault();

        this.setState({ continueDisabled: true });
        const token = this.state.verificationCode;
        try {
            await this.state.addTask.haveMsisdnToken(token);
            this.setState({
                addTask: null,
                continueDisabled: false,
                verifying: false,
                verifyError: null,
                verificationCode: "",
            });
        } catch (err) {
            this.setState({ continueDisabled: false });
            if (err.errcode !== 'M_THREEPID_AUTH_FAILED') {
                const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
                console.error("Unable to verify phone number: " + err);
                Modal.createTrackedDialog('Unable to verify phone number', '', ErrorDialog, {
                    title: _t("Unable to verify phone number."),
                    description: ((err && err.message) ? err.message : _t("Operation failed")),
                });
            } else {
                this.setState({ verifyError: _t("Incorrect verification code") });
            }
        }
    }

    render() {
        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
        const Field = sdk.getComponent('elements.Field');
        const { address } = this.props.msisdn;
        const { verifying, bound } = this.state;

        let status;
        if (verifying) {
            status = <span className="mx_ExistingPhoneNumber_verification">
                <span>
                    { _t("Please enter verification code sent via text.") }
                    <br />
                    { this.state.verifyError }
                </span>
                <form onSubmit={this.onContinueClick} autoComplete="off" noValidate={true}>
                    <Field
                        type="text"
                        label={_t("Verification code")}
                        autoComplete="off"
                        disabled={this.state.continueDisabled}
                        value={this.state.verificationCode}
                        onChange={this.onVerificationCodeChange}
                    />
                </form>
            </span>;
        } else if (bound) {
            status = <AccessibleButton
                className="mx_ExistingPhoneNumber_confirmBtn"
                kind="danger_sm"
                onClick={this.onRevokeClick}
            >
                { _t("Revoke") }
            </AccessibleButton>;
        } else {
            status = <AccessibleButton
                className="mx_ExistingPhoneNumber_confirmBtn"
                kind="primary_sm"
                onClick={this.onShareClick}
            >
                { _t("Share") }
            </AccessibleButton>;
        }

        return (
            <div className="mx_ExistingPhoneNumber">
                <span className="mx_ExistingPhoneNumber_address">+{ address }</span>
                { status }
            </div>
        );
    }
}

@replaceableComponent("views.settings.discovery.PhoneNumbers")
export default class PhoneNumbers extends React.Component {
    static propTypes = {
        msisdns: PropTypes.array.isRequired,
    }

    render() {
        let content;
        if (this.props.msisdns.length > 0) {
            content = this.props.msisdns.map((e) => {
                return <PhoneNumber msisdn={e} key={e.address} />;
            });
        } else {
            content = <span className="mx_SettingsTab_subsectionText">
                { _t("Discovery options will appear once you have added a phone number above.") }
            </span>;
        }

        return (
            <div className="mx_PhoneNumbers">
                { content }
            </div>
        );
    }
}
