define(['dialogHelper', 'dom', 'layoutManager', 'connectionManager', 'globalize', 'loading', 'browser', 'focusManager', 'scrollHelper', 'material-icons', 'formDialogStyle', 'emby-button', 'emby-itemscontainer', 'cardStyle'], function (dialogHelper, dom, layoutManager, connectionManager, globalize, loading, browser, focusManager, scrollHelper) {
    'use strict';

    var enableFocusTransform = !browser.slow && !browser.edge;

    function getEditorHtml() {
        var html = '';
        html += '<div class="formDialogContent scrollY">';
        html += '<div class="dialogContentInner dialog-content-centered">';
        html += '<div class="loadingContent hide">';
        html += '<h1>' + globalize.translate('DetectingDevices') + '...</h1>';
        html += '<p>' + globalize.translate('MessagePleaseWait') + '</p>';
        html += '</div>';
        html += '<h1 style="margin-bottom:.25em;" class="devicesHeader hide">' + globalize.translate('HeaderNewDevices') + '</h1>';
        html += '<div is="emby-itemscontainer" class="results vertical-wrap">';
        html += '</div>';
        html += '</div>';
        return html += '</div>';
    }

    function getDeviceHtml(device) {
        var padderClass;
        var html = '';
        var cssClass = 'card scalableCard';
        var cardBoxCssClass = 'cardBox visualCardBox';
        cssClass += ' backdropCard backdropCard-scalable';
        padderClass = 'cardPadder-backdrop';

        // TODO move card creation code to Card component

        if (layoutManager.tv) {
            cssClass += ' show-focus';

            if (enableFocusTransform) {
                cssClass += ' show-animation';
            }
        }

        html += '<button type="button" class="' + cssClass + '" data-id="' + device.DeviceId + '" style="min-width:33.3333%;">';
        html += '<div class="' + cardBoxCssClass + '">';
        html += '<div class="cardScalable visualCardBox-cardScalable">';
        html += '<div class="' + padderClass + '"></div>';
        html += '<div class="cardContent searchImage">';
        html += '<div class="cardImageContainer coveredImage"><span class="cardImageIcon material-icons dvr"></span></div>';
        html += '</div>';
        html += '</div>';
        html += '<div class="cardFooter visualCardBox-cardFooter">';
        html += '<div class="cardText cardTextCentered">' + getTunerName(device.Type) + '</div>';
        html += '<div class="cardText cardTextCentered cardText-secondary">' + device.FriendlyName + '</div>';
        html += '<div class="cardText cardText-secondary cardTextCentered">';
        html += device.Url || '&nbsp;';
        html += '</div>';
        html += '</div>';
        html += '</div>';
        return html += '</button>';
    }

    function getTunerName(providerId) {
        switch (providerId = providerId.toLowerCase()) {
            case 'm3u':
                return 'M3U';

            case 'hdhomerun':
                return 'HDHomerun';

            case 'hauppauge':
                return 'Hauppauge';

            case 'satip':
                return 'DVB';

            default:
                return 'Unknown';
        }
    }

    function renderDevices(view, devices) {
        var i;
        var length;
        var html = '';

        for (i = 0, length = devices.length; i < length; i++) {
            html += getDeviceHtml(devices[i]);
        }

        if (devices.length) {
            view.querySelector('.devicesHeader').classList.remove('hide');
        } else {
            html = '<p><br/>' + globalize.translate('NoNewDevicesFound') + '</p>';
            view.querySelector('.devicesHeader').classList.add('hide');
        }

        var elem = view.querySelector('.results');
        elem.innerHTML = html;

        if (layoutManager.tv) {
            focusManager.autoFocus(elem);
        }
    }

    function discoverDevices(view, apiClient) {
        loading.show();
        view.querySelector('.loadingContent').classList.remove('hide');
        return ApiClient.getJSON(ApiClient.getUrl('LiveTv/Tuners/Discvover', {
            NewDevicesOnly: true
        })).then(function (devices) {
            currentDevices = devices;
            renderDevices(view, devices);
            view.querySelector('.loadingContent').classList.add('hide');
            loading.hide();
        });
    }

    function tunerPicker() {
        this.show = function (options) {
            var dialogOptions = {
                removeOnClose: true,
                scrollY: false
            };

            if (layoutManager.tv) {
                dialogOptions.size = 'fullscreen';
            } else {
                dialogOptions.size = 'small';
            }

            var dlg = dialogHelper.createDialog(dialogOptions);
            dlg.classList.add('formDialog');
            var html = '';
            html += '<div class="formDialogHeader">';
            html += '<button is="paper-icon-button-light" class="btnCancel autoSize" tabindex="-1"><span class="material-icons arrow_back"></span></button>';
            html += '<h3 class="formDialogHeaderTitle">';
            html += globalize.translate('HeaderLiveTvTunerSetup');
            html += '</h3>';
            html += '</div>';
            html += getEditorHtml();
            dlg.innerHTML = html;
            dlg.querySelector('.btnCancel').addEventListener('click', function () {
                dialogHelper.close(dlg);
            });
            var deviceResult;
            dlg.querySelector('.results').addEventListener('click', function (e) {
                var tunerCard = dom.parentWithClass(e.target, 'card');

                if (tunerCard) {
                    var deviceId = tunerCard.getAttribute('data-id');
                    deviceResult = currentDevices.filter(function (d) {
                        return d.DeviceId === deviceId;
                    })[0];
                    dialogHelper.close(dlg);
                }
            });

            if (layoutManager.tv) {
                scrollHelper.centerFocus.on(dlg.querySelector('.formDialogContent'), false);
            }

            var apiClient = connectionManager.getApiClient(options.serverId);
            discoverDevices(dlg, apiClient);

            if (layoutManager.tv) {
                scrollHelper.centerFocus.off(dlg.querySelector('.formDialogContent'), false);
            }

            return dialogHelper.open(dlg).then(function () {
                if (deviceResult) {
                    return Promise.resolve(deviceResult);
                }

                return Promise.reject();
            });
        };
    }

    var currentDevices = [];
    return tunerPicker;
});
