/* globals gitHubInjection, pageDetect, diffFileHeader, addReactionParticipants, addFileCopyButton */

'use strict';

const {ownerName, repoName} = pageDetect.getOwnerAndRepo();

const repoUrl = `${ownerName}/${repoName}`;

const getUsername = () => $('meta[name="user-login"]').attr('content');

function linkifyBranchRefs() {

$('.commit-ref').each((i, el) => {

const parts = $(el).find('.css-truncate-target');

const branch = parts.eq(parts.length - 1).text();

let username = ownerName;

// if there are two parts the first part is the username

if (parts.length > 1) {

username = parts.eq(0).text();

}

$(el).wrap(`<a href="https://github.com/${username}/${repoName}/tree/${branch}">`);

});

}

function appendReleasesCount(count) {

if (!count) {

return;

}

$('.reponav-releases').append(`<span class="counter">${count}</span>`);

}

function cacheReleasesCount() {

const releasesCountCacheKey = `${repoUrl}-releases-count`;

if (pageDetect.isRepoRoot()) {

const releasesCount = $('.numbers-summary a[href$="/releases"] .num').text().trim();

appendReleasesCount(releasesCount);

chrome.storage.local.set({[releasesCountCacheKey]: releasesCount});

} else {

chrome.storage.local.get(releasesCountCacheKey, items => {

appendReleasesCount(items[releasesCountCacheKey]);

});

}

}

function addReleasesTab() {

const $repoNav = $('.js-repo-nav');

let $releasesTab = $repoNav.children('[data-selected-links~="repo_releases"]');

const hasReleases = $releasesTab.length > 0;

if (!hasReleases) {

$releasesTab = $(`<a href="/${repoUrl}/releases" class="reponav-item reponav-releases" data-hotkey="g r" data-selected-links="repo_releases /${repoUrl}/releases">

<svg class="octicon octicon-tag" height="16" version="1.1" viewBox="0 0 14 16" width="14"><path d="M6.73 2.73c-0.47-0.47-1.11-0.73-1.77-0.73H2.5C1.13 2 0 3.13 0 4.5v2.47c0 0.66 0.27 1.3 0.73 1.77l6.06 6.06c0.39 0.39 1.02 0.39 1.41 0l4.59-4.59c0.39-0.39 0.39-1.02 0-1.41L6.73 2.73zM1.38 8.09c-0.31-0.3-0.47-0.7-0.47-1.13V4.5c0-0.88 0.72-1.59 1.59-1.59h2.47c0.42 0 0.83 0.16 1.13 0.47l6.14 6.13-4.73 4.73L1.38 8.09z m0.63-4.09h2v2H2V4z"></path></svg>

<span>Releases</span>

</a>`);

}

if (pageDetect.isReleases()) {

$repoNav.find('.selected')

.removeClass('js-selected-navigation-item selected');

$releasesTab.addClass('js-selected-navigation-item selected');

}

if (!hasReleases) {

$repoNav.append($releasesTab);

cacheReleasesCount();

}

}

function infinitelyMore() {

const btn = $('.ajax-pagination-btn').get(0);

// if there's no more button remove unnecessary event listeners

if (!btn) {

window.removeEventListener('scroll', infinitelyMore);

window.removeEventListener('resize', infinitelyMore);

return;

}

// grab dimensions to see if we should load

const wHeight = window.innerHeight;

const wScroll = window.pageYOffset || document.scrollTop;

const btnOffset = $('.ajax-pagination-btn').offset().top;

// smash the button if it's coming close to being in view

if (wScroll > (btnOffset - wHeight)) {

btn.click();

}

}

function addBlameParentLinks() {

$('.blame-sha:not(.js-blame-parent)').each((index, commitLink) => {

const $commitLink = $(commitLink);

const $blameMetaContainer = $commitLink.nextAll('.blame-commit-meta');

if ($blameMetaContainer.find('.js-blame-parent').length > 0) {

return;

}

const $blameParentLink = $commitLink.clone();

const commitSha = /\w{40}$/.exec(commitLink.href)[0];

$blameParentLink

.text('Blame ^')

.addClass('js-blame-parent')

.prop('href', location.pathname.replace(

/(\/blame\/)[^\/]+/,

`$1${commitSha}${encodeURI('^')}`

));

$blameMetaContainer.append($blameParentLink);

});

}

function addReadmeEditButton() {

const readmeContainer = $('#readme');

if (!readmeContainer.length) {

return;

}

const readmeName = $('#readme > h3').text().trim();

const path = $('.js-repo-root ~ .js-path-segment, .final-path').map((idx, el) => $(el).text()).get().join('/');

const currentBranch = $('.file-navigation .select-menu.left button.select-menu-button').attr('title');

const editHref = `/${repoUrl}/edit/${currentBranch}/${path ? `${path}/` : ''}${readmeName}`;

const editButtonHtml = `<div id="refined-github-readme-edit-link">

<a href="${editHref}">

<svg class="octicon octicon-pencil" height="16" version="1.1" viewBox="0 0 14 16" width="14"><path d="M0 12v3h3l8-8-3-3L0 12z m3 2H1V12h1v1h1v1z m10.3-9.3l-1.3 1.3-3-3 1.3-1.3c0.39-0.39 1.02-0.39 1.41 0l1.59 1.59c0.39 0.39 0.39 1.02 0 1.41z"></path></svg>

</a>

</div>`;

readmeContainer.append(editButtonHtml);

}

function addDeleteForkLink() {

const postMergeContainer = $('#partial-pull-merging');

if (postMergeContainer.length > 0) {

const postMergeDescription = $(postMergeContainer).find('.merge-branch-description').get(0);

const forkPath = $(postMergeContainer).attr('data-channel').split(':')[0];

if (forkPath !== repoUrl) {

$(postMergeDescription).append(

`<p id="refined-github-delete-fork-link">

<a href="https://github.com/${forkPath}/settings">

<svg aria-hidden="true" class="octicon octicon-repo-forked" height="16" role="img" version="1.1" viewBox="0 0 10 16" width="10"><path d="M8 1c-1.11 0-2 0.89-2 2 0 0.73 0.41 1.38 1 1.72v1.28L5 8 3 6v-1.28c0.59-0.34 1-0.98 1-1.72 0-1.11-0.89-2-2-2S0 1.89 0 3c0 0.73 0.41 1.38 1 1.72v1.78l3 3v1.78c-0.59 0.34-1 0.98-1 1.72 0 1.11 0.89 2 2 2s2-0.89 2-2c0-0.73-0.41-1.38-1-1.72V9.5l3-3V4.72c0.59-0.34 1-0.98 1-1.72 0-1.11-0.89-2-2-2zM2 4.2c-0.66 0-1.2-0.55-1.2-1.2s0.55-1.2 1.2-1.2 1.2 0.55 1.2 1.2-0.55 1.2-1.2 1.2z m3 10c-0.66 0-1.2-0.55-1.2-1.2s0.55-1.2 1.2-1.2 1.2 0.55 1.2 1.2-0.55 1.2-1.2 1.2z m3-10c-0.66 0-1.2-0.55-1.2-1.2s0.55-1.2 1.2-1.2 1.2 0.55 1.2 1.2-0.55 1.2-1.2 1.2z"></path></svg>

Delete fork

</a>

</p>`

);

}

}

}

function linkifyIssuesInTitles() {

const $title = $('.js-issue-title');

const titleText = $title.text();

if (/(#\d+)/.test(titleText)) {

$title.html(titleText.replace(

/#(\d+)/g,

`<a href="https://github.com/${repoUrl}/issues/$1">#$1</a>`

));

}

}

function addPatchDiffLinks() {

if ($('.sha-block.patch-diff-links').length > 0) {

return;

}

let commitUrl = location.pathname.replace(/\/$/, '');

if (pageDetect.isPRCommit()) {

commitUrl = commitUrl.replace(/\/pull\/\d+\/commits/, '/commit');

}

const commitMeta = $('.commit-meta span.right').get(0);

$(commitMeta).append(`

<span class="sha-block patch-diff-links">

<a href="${commitUrl}.patch" class="sha">.patch</a>

<a href="${commitUrl}.diff" class="sha">.diff</a>

</span>

`);

}

function markMergeCommitsInList() {

$('.commit.commits-list-item.table-list-item:not(.refined-github-merge-commit)').each((index, element) => {

const $element = $(element);

const messageText = $element.find('.commit-title').text();

if (/Merge pull request #/.test(messageText)) {

$element

.addClass('refined-github-merge-commit')

.find('.commit-avatar-cell')

.prepend('<svg aria-hidden="true" class="octicon octicon-git-pull-request" height="36" role="img" version="1.1" viewBox="0 0 12 16" width="27"><path d="M11 11.28c0-1.73 0-6.28 0-6.28-0.03-0.78-0.34-1.47-0.94-2.06s-1.28-0.91-2.06-0.94c0 0-1.02 0-1 0V0L4 3l3 3V4h1c0.27 0.02 0.48 0.11 0.69 0.31s0.3 0.42 0.31 0.69v6.28c-0.59 0.34-1 0.98-1 1.72 0 1.11 0.89 2 2 2s2-0.89 2-2c0-0.73-0.41-1.38-1-1.72z m-1 2.92c-0.66 0-1.2-0.55-1.2-1.2s0.55-1.2 1.2-1.2 1.2 0.55 1.2 1.2-0.55 1.2-1.2 1.2zM4 3c0-1.11-0.89-2-2-2S0 1.89 0 3c0 0.73 0.41 1.38 1 1.72 0 1.55 0 5.56 0 6.56-0.59 0.34-1 0.98-1 1.72 0 1.11 0.89 2 2 2s2-0.89 2-2c0-0.73-0.41-1.38-1-1.72V4.72c0.59-0.34 1-0.98 1-1.72z m-0.8 10c0 0.66-0.55 1.2-1.2 1.2s-1.2-0.55-1.2-1.2 0.55-1.2 1.2-1.2 1.2 0.55 1.2 1.2z m-1.2-8.8c-0.66 0-1.2-0.55-1.2-1.2s0.55-1.2 1.2-1.2 1.2 0.55 1.2 1.2-0.55 1.2-1.2 1.2z"></path></svg>')

.find('img')

.addClass('avatar-child');

}

});

}

function indentInput(el, size = 4) {

el.focus();

const value = el.value;

const selectionStart = el.selectionStart;

const indentSize = (size - el.selectionEnd % size) || size;

const indentationText = ' '.repeat(indentSize);

el.value = value.slice(0, selectionStart) + indentationText + value.slice(el.selectionEnd);

el.selectionEnd = el.selectionStart = selectionStart + indentationText.length;

}

function showRecentlyPushedBranches() {

// Don't duplicate on back/forward in history

if ($('.recently-touched-branches-wrapper').length) {

return;

}

const uri = `/${repoUrl}/show_partial?partial=tree/recently_touched_branches_list`;

const fragMarkup = `<include-fragment src=${uri}></include-fragment>`;

const div = document.createElement('div');

div.innerHTML = fragMarkup;

$('.repository-content').prepend(div);

}

// Support indent with tab key in textarea elements

$(document).on('keydown', event => {

// Check event.target instead of using a delegate, because Sprint doesn't support them

if (!$(event.target).is('textarea')) {

return;

}

if (event.which === 9 && !event.shiftKey) {

event.preventDefault();

indentInput(event.target);

return false;

}

});

// Prompt user to confirm erasing a comment with the Cancel button

$(document).on('click', event => {

// Check event.target instead of using a delegate, because Sprint doesn't support them

const $target = $(event.target);

if (!$target.hasClass('js-hide-inline-comment-form')) {

return;

}

// Do not prompt if textarea is empty

const text = $target.closest('.js-inline-comment-form').find('.js-comment-field').val();

if (text.length === 0) {

return;

}

if (window.confirm('Are you sure you want to discard your unsaved changes?') === false) { // eslint-disable-line no-alert

event.stopPropagation();

event.stopImmediatePropagation();

}

});

// Collapse file diffs when clicking the file header

$(document).on('click', event => {

// Check event.target instead of using a delegate, because Sprint doesn't support them

const $target = $(event.target);

if (!($target.closest('.file-header').length > 0 && $target.closest('.file-actions').length === 0)) {

return;

}

$target.closest('.js-details-container').toggleClass('refined-github-minimized');

});

document.addEventListener('DOMContentLoaded', () => {

const username = getUsername();

if (pageDetect.isDashboard()) {

// hide other users starring/forking your repos

const hideStarsOwnRepos = () => {

$('#dashboard .news .watch_started, #dashboard .news .fork')

.has(`.title a[href^="/${username}"]`)

.css('display', 'none');

};

hideStarsOwnRepos();

new MutationObserver(() => hideStarsOwnRepos())

.observe($('#dashboard .news').get(0), {childList: true});

// event binding for infinite scroll

window.addEventListener('scroll', infinitelyMore);

window.addEventListener('resize', infinitelyMore);

}

if (pageDetect.isRepo()) {

gitHubInjection(window, () => {

addReleasesTab();

diffFileHeader.destroy();

if (pageDetect.isPR()) {

linkifyBranchRefs();

addDeleteForkLink();

}

if (pageDetect.isPR() || pageDetect.isIssue()) {

linkifyIssuesInTitles();

}

if (pageDetect.isBlame()) {

addBlameParentLinks();

}

if (pageDetect.isRepoRoot() || pageDetect.isRepoTree()) {

addReadmeEditButton();

}

if (pageDetect.isPRList() || pageDetect.isIssueList()) {

showRecentlyPushedBranches();

}

if (pageDetect.isCommit()) {

addPatchDiffLinks();

}

if (pageDetect.isPR() || pageDetect.isIssue() || pageDetect.isCommit()) {

addReactionParticipants.add(username);

addReactionParticipants.addListener(username);

}

if (pageDetect.isCommitList()) {

markMergeCommitsInList();

}

if (pageDetect.isPRFiles() || pageDetect.isPRCommit()) {

diffFileHeader.setup();

}

if (pageDetect.isSingleFile()) {

addFileCopyButton();

}

});

}

});