import dom from 'dom';
import dialogHelper from 'dialogHelper';
import loading from 'loading';
import appHost from 'apphost';
import layoutManager from 'layoutManager';
import connectionManager from 'connectionManager';
import appRouter from 'appRouter';
import globalize from 'globalize';
import 'emby-checkbox';
import 'emby-input';
import 'paper-icon-button-light';
import 'emby-select';
import 'material-icons';
import 'css!./../formdialog';
import 'emby-button';
import 'flexStyles';

/* eslint-disable indent */

    let currentServerId;

    function onSubmit(e) {
        loading.show();

        const panel = dom.parentWithClass(this, 'dialog');

        const collectionId = panel.querySelector('#selectCollectionToAddTo').value;

        const apiClient = connectionManager.getApiClient(currentServerId);

        if (collectionId) {
            addToCollection(apiClient, panel, collectionId);
        } else {
            createCollection(apiClient, panel);
        }

        e.preventDefault();
        return false;
    }

    function createCollection(apiClient, dlg) {

        const url = apiClient.getUrl('Collections', {

            Name: dlg.querySelector('#txtNewCollectionName').value,
            IsLocked: !dlg.querySelector('#chkEnableInternetMetadata').checked,
            Ids: dlg.querySelector('.fldSelectedItemIds').value || ''
        });

        apiClient.ajax({
            type: 'POST',
            url: url,
            dataType: 'json'

        }).then(result => {

            loading.hide();

            const id = result.Id;

            dlg.submitted = true;
            dialogHelper.close(dlg);
            redirectToCollection(apiClient, id);

        });
    }

    function redirectToCollection(apiClient, id) {

        appRouter.showItem(id, apiClient.serverId());
    }

    function addToCollection(apiClient, dlg, id) {

        const url = apiClient.getUrl(`Collections/${id}/Items`, {

            Ids: dlg.querySelector('.fldSelectedItemIds').value || ''
        });

        apiClient.ajax({
            type: 'POST',
            url: url

        }).then(() => {

            loading.hide();

            dlg.submitted = true;
            dialogHelper.close(dlg);

            import('toast').then(({default: toast}) => {
                toast(globalize.translate('MessageItemsAdded'));
            });
        });
    }

    function triggerChange(select) {
        select.dispatchEvent(new CustomEvent('change', {}));
    }

    function populateCollections(panel) {

        loading.show();

        const select = panel.querySelector('#selectCollectionToAddTo');

        panel.querySelector('.newCollectionInfo').classList.add('hide');

        const options = {

            Recursive: true,
            IncludeItemTypes: 'BoxSet',
            SortBy: 'SortName',
            EnableTotalRecordCount: false
        };

        const apiClient = connectionManager.getApiClient(currentServerId);
        apiClient.getItems(apiClient.getCurrentUserId(), options).then(result => {

            let html = '';

            html += `<option value="">${globalize.translate('OptionNew')}</option>`;

            html += result.Items.map(i => {

                return `<option value="${i.Id}">${i.Name}</option>`;
            });

            select.innerHTML = html;
            select.value = '';
            triggerChange(select);

            loading.hide();
        });
    }

    function getEditorHtml() {

        let html = '';

        html += '<div class="formDialogContent smoothScrollY" style="padding-top:2em;">';
        html += '<div class="dialogContentInner dialog-content-centered">';
        html += '<form class="newCollectionForm" style="margin:auto;">';

        html += '<div>';
        html += globalize.translate('NewCollectionHelp');
        html += '</div>';

        html += '<div class="fldSelectCollection">';
        html += '<br/>';
        html += '<br/>';
        html += '<div class="selectContainer">';
        html += `<select is="emby-select" label="${globalize.translate('LabelCollection')}" id="selectCollectionToAddTo" autofocus></select>`;
        html += '</div>';
        html += '</div>';

        html += '<div class="newCollectionInfo">';

        html += '<div class="inputContainer">';
        html += `<input is="emby-input" type="text" id="txtNewCollectionName" required="required" label="${globalize.translate('LabelName')}" />`;
        html += `<div class="fieldDescription">${globalize.translate('NewCollectionNameExample')}</div>`;
        html += '</div>';

        html += '<label class="checkboxContainer">';
        html += '<input is="emby-checkbox" type="checkbox" id="chkEnableInternetMetadata" />';
        html += `<span>${globalize.translate('SearchForCollectionInternetMetadata')}</span>`;
        html += '</label>';

        // newCollectionInfo
        html += '</div>';

        html += '<div class="formDialogFooter">';
        html += `<button is="emby-button" type="submit" class="raised btnSubmit block formDialogFooterItem button-submit">${globalize.translate('ButtonOk')}</button>`;
        html += '</div>';

        html += '<input type="hidden" class="fldSelectedItemIds" />';

        html += '</form>';
        html += '</div>';
        html += '</div>';

        return html;
    }

    function initEditor(content, items) {

        content.querySelector('#selectCollectionToAddTo').addEventListener('change', function () {
            if (this.value) {
                content.querySelector('.newCollectionInfo').classList.add('hide');
                content.querySelector('#txtNewCollectionName').removeAttribute('required');
            } else {
                content.querySelector('.newCollectionInfo').classList.remove('hide');
                content.querySelector('#txtNewCollectionName').setAttribute('required', 'required');
            }
        });

        content.querySelector('form').addEventListener('submit', onSubmit);

        content.querySelector('.fldSelectedItemIds', content).value = items.join(',');

        if (items.length) {
            content.querySelector('.fldSelectCollection').classList.remove('hide');
            populateCollections(content);
        } else {
            content.querySelector('.fldSelectCollection').classList.add('hide');

            const selectCollectionToAddTo = content.querySelector('#selectCollectionToAddTo');
            selectCollectionToAddTo.innerHTML = '';
            selectCollectionToAddTo.value = '';
            triggerChange(selectCollectionToAddTo);
        }
    }

    function centerFocus(elem, horiz, on) {
        import('scrollHelper').then(scrollHelper => {
            const fn = on ? 'on' : 'off';
            scrollHelper.centerFocus[fn](elem, horiz);
        });
    }

    export class showEditor {
        constructor(options) {

            const items = options.items || {};
            currentServerId = options.serverId;

            const dialogOptions = {
                removeOnClose: true,
                scrollY: false
            };

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

            const dlg = dialogHelper.createDialog(dialogOptions);

            dlg.classList.add('formDialog');

            let html = '';
            const title = items.length ? globalize.translate('HeaderAddToCollection') : globalize.translate('NewCollection');

            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 += title;
            html += '</h3>';

            if (appHost.supports('externallinks')) {
                // TODO: Change to Jellyfin docs
                html += `<a is="emby-linkbutton" class="button-link btnHelp flex align-items-center" href="https://web.archive.org/web/20181216120305/https://github.com/MediaBrowser/Wiki/wiki/Collections" target="_blank" style="margin-left:auto;margin-right:.5em;padding:.25em;" title="${globalize.translate('Help')}"><span class="material-icons info"></span><span style="margin-left:.25em;">${globalize.translate('Help')}</span></a>`;
            }

            html += '</div>';

            html += getEditorHtml();

            dlg.innerHTML = html;

            initEditor(dlg, items);

            dlg.querySelector('.btnCancel').addEventListener('click', () => {

                dialogHelper.close(dlg);
            });

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

            return dialogHelper.open(dlg).then(() => {

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

                if (dlg.submitted) {
                    return Promise.resolve();
                }

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

/* eslint-enable indent */
export default showEditor;