'use strict';


var	assert = require('assert');
var async = require('async');

var db = require('./mocks/databasemock');
var topics = require('../src/topics');
var posts = require('../src/posts');
var categories = require('../src/categories');
var privileges = require('../src/privileges');
var user = require('../src/user');
var groups = require('../src/groups');
var socketPosts = require('../src/socket.io/posts');

describe('Post\'s', function () {
	var voterUid;
	var voteeUid;
	var globalModUid;
	var postData;
	var topicData;
	var cid;

	before(function (done) {
		groups.resetCache();
		async.series({
			voterUid: function (next) {
				user.create({ username: 'upvoter' }, next);
			},
			voteeUid: function (next) {
				user.create({ username: 'upvotee' }, next);
			},
			globalModUid: function (next) {
				user.create({ username: 'globalmod' }, next);
			},
			category: function (next) {
				categories.create({
					name: 'Test Category',
					description: 'Test category created by testing script',
				}, next);
			},
		}, function (err, results) {
			if (err) {
				return done(err);
			}

			voterUid = results.voterUid;
			voteeUid = results.voteeUid;
			globalModUid = results.globalModUid;
			cid = results.category.cid;

			topics.post({
				uid: results.voteeUid,
				cid: results.category.cid,
				title: 'Test Topic Title',
				content: 'The content of test topic',
			}, function (err, data) {
				if (err) {
					return done(err);
				}
				postData = data.postData;
				topicData = data.topicData;

				groups.join('Global Moderators', globalModUid, done);
			});
		});
	});

	describe('voting', function () {
		it('should upvote a post', function (done) {
			socketPosts.upvote({ uid: voterUid }, { pid: postData.pid, room_id: 'topic_1' }, function (err, result) {
				assert.ifError(err);
				assert.equal(result.post.upvotes, 1);
				assert.equal(result.post.downvotes, 0);
				assert.equal(result.post.votes, 1);
				assert.equal(result.user.reputation, 1);
				posts.hasVoted(postData.pid, voterUid, function (err, data) {
					assert.ifError(err);
					assert.equal(data.upvoted, true);
					assert.equal(data.downvoted, false);
					done();
				});
			});
		});

		it('should get voters', function (done) {
			socketPosts.getVoters({ uid: globalModUid }, { pid: postData.pid, cid: cid }, function (err, data) {
				assert.ifError(err);
				assert.equal(data.upvoteCount, 1);
				assert.equal(data.downvoteCount, 0);
				assert(Array.isArray(data.upvoters));
				assert.equal(data.upvoters[0].username, 'upvoter');
				done();
			});
		});

		it('should get upvoters', function (done) {
			socketPosts.getUpvoters({ uid: globalModUid }, [postData.pid], function (err, data) {
				assert.ifError(err);
				assert.equal(data[0].otherCount, 0);
				assert.equal(data[0].usernames, 'upvoter');
				done();
			});
		});

		it('should unvote a post', function (done) {
			socketPosts.unvote({ uid: voterUid }, { pid: postData.pid, room_id: 'topic_1' }, function (err, result) {
				assert.ifError(err);
				assert.equal(result.post.upvotes, 0);
				assert.equal(result.post.downvotes, 0);
				assert.equal(result.post.votes, 0);
				assert.equal(result.user.reputation, 0);
				posts.hasVoted(postData.pid, voterUid, function (err, data) {
					assert.ifError(err);
					assert.equal(data.upvoted, false);
					assert.equal(data.downvoted, false);
					done();
				});
			});
		});

		it('should downvote a post', function (done) {
			socketPosts.downvote({ uid: voterUid }, { pid: postData.pid, room_id: 'topic_1' }, function (err, result) {
				assert.ifError(err);
				assert.equal(result.post.upvotes, 0);
				assert.equal(result.post.downvotes, 1);
				assert.equal(result.post.votes, -1);
				assert.equal(result.user.reputation, -1);
				posts.hasVoted(postData.pid, voterUid, function (err, data) {
					assert.ifError(err);
					assert.equal(data.upvoted, false);
					assert.equal(data.downvoted, true);
					done();
				});
			});
		});
	});

	describe('bookmarking', function () {
		it('should bookmark a post', function (done) {
			socketPosts.bookmark({ uid: voterUid }, { pid: postData.pid, room_id: 'topic_' + postData.tid }, function (err, data) {
				assert.ifError(err);
				assert.equal(data.isBookmarked, true);
				posts.hasBookmarked(postData.pid, voterUid, function (err, hasBookmarked) {
					assert.ifError(err);
					assert.equal(hasBookmarked, true);
					done();
				});
			});
		});

		it('should unbookmark a post', function (done) {
			socketPosts.unbookmark({ uid: voterUid }, { pid: postData.pid, room_id: 'topic_' + postData.tid }, function (err, data) {
				assert.ifError(err);
				assert.equal(data.isBookmarked, false);
				posts.hasBookmarked([postData.pid], voterUid, function (err, hasBookmarked) {
					assert.ifError(err);
					assert.equal(hasBookmarked[0], false);
					done();
				});
			});
		});
	});

	describe('post tools', function () {
		it('should error if data is invalid', function (done) {
			socketPosts.loadPostTools({ uid: globalModUid }, null, function (err) {
				assert.equal(err.message, '[[error:invalid-data]]');
				done();
			});
		});

		it('should load post tools', function (done) {
			socketPosts.loadPostTools({ uid: globalModUid }, { pid: postData.pid, cid: cid }, function (err, data) {
				assert.ifError(err);
				assert(data.posts.display_edit_tools);
				assert(data.posts.display_delete_tools);
				assert(data.posts.display_moderator_tools);
				assert(data.posts.display_move_tools);
				done();
			});
		});
	});

	describe('delete/restore/purge', function () {
		function createTopicWithReply(callback) {
			topics.post({
				uid: voterUid,
				cid: cid,
				title: 'topic to delete/restore/purge',
				content: 'A post to delete/restore/purge',
			}, function (err, topicPostData) {
				assert.ifError(err);
				topics.reply({
					uid: voterUid,
					tid: topicPostData.topicData.tid,
					timestamp: Date.now(),
					content: 'A post to delete/restore and purge',
				}, function (err, replyData) {
					assert.ifError(err);
					callback(topicPostData, replyData);
				});
			});
		}

		var tid;
		var mainPid;
		var replyPid;

		before(function (done) {
			createTopicWithReply(function (topicPostData, replyData) {
				tid = topicPostData.topicData.tid;
				mainPid = topicPostData.postData.pid;
				replyPid = replyData.pid;
				privileges.categories.give(['purge'], cid, 'registered-users', done);
			});
		});

		it('should error with invalid data', function (done) {
			socketPosts.delete({ uid: voterUid }, null, function (err) {
				assert.equal(err.message, '[[error:invalid-data]]');
				done();
			});
		});

		it('should delete a post', function (done) {
			socketPosts.delete({ uid: voterUid }, { pid: replyPid, tid: tid }, function (err) {
				assert.ifError(err);
				posts.getPostField(replyPid, 'deleted', function (err, isDeleted) {
					assert.ifError(err);
					assert.equal(parseInt(isDeleted, 10), 1);
					done();
				});
			});
		});

		it('should restore a post', function (done) {
			socketPosts.restore({ uid: voterUid }, { pid: replyPid, tid: tid }, function (err) {
				assert.ifError(err);
				posts.getPostField(replyPid, 'deleted', function (err, isDeleted) {
					assert.ifError(err);
					assert.equal(parseInt(isDeleted, 10), 0);
					done();
				});
			});
		});

		it('should delete posts', function (done) {
			socketPosts.deletePosts({ uid: globalModUid }, { pids: [replyPid, mainPid], tid: tid }, function (err) {
				assert.ifError(err);
				posts.getPostField(replyPid, 'deleted', function (err, deleted) {
					assert.ifError(err);
					assert.equal(parseInt(deleted, 10), 1);
					posts.getPostField(mainPid, 'deleted', function (err, deleted) {
						assert.ifError(err);
						assert.equal(parseInt(deleted, 10), 1);
						done();
					});
				});
			});
		});

		it('should delete topic if last main post is deleted', function (done) {
			topics.post({ uid: voterUid, cid: cid, title: 'test topic', content: 'test topic' }, function (err, data) {
				assert.ifError(err);
				socketPosts.deletePosts({ uid: globalModUid }, { pids: [data.postData.pid], tid: data.topicData.tid }, function (err) {
					assert.ifError(err);
					topics.getTopicField(data.topicData.tid, 'deleted', function (err, deleted) {
						assert.ifError(err);
						assert.equal(parseInt(deleted, 10), 1);
						done();
					});
				});
			});
		});

		it('should purge posts and delete topic', function (done) {
			createTopicWithReply(function (topicPostData, replyData) {
				socketPosts.purgePosts({ uid: voterUid }, { pids: [replyData.pid, topicPostData.postData.pid], tid: topicPostData.topicData.tid }, function (err) {
					assert.ifError(err);
					posts.exists('post:' + replyData.pid, function (err, exists) {
						assert.ifError(err);
						assert.equal(exists, false);
						topics.getTopicField(topicPostData.topicData.tid, 'deleted', function (err, deleted) {
							assert.ifError(err);
							assert.equal(parseInt(deleted, 10), 1);
							done();
						});
					});
				});
			});
		});
	});

	describe('edit', function () {
		var pid;
		var replyPid;
		var tid;
		var meta = require('../src/meta');
		before(function (done) {
			topics.post({
				uid: voterUid,
				cid: cid,
				title: 'topic to edit',
				content: 'A post to edit',
			}, function (err, data) {
				assert.ifError(err);
				pid = data.postData.pid;
				tid = data.topicData.tid;
				topics.reply({
					uid: voterUid,
					tid: tid,
					timestamp: Date.now(),
					content: 'A reply to edit',
				}, function (err, data) {
					assert.ifError(err);
					replyPid = data.pid;
					privileges.categories.give(['posts:edit'], cid, 'registered-users', done);
				});
			});
		});

		it('should error if user is not logged in', function (done) {
			socketPosts.edit({ uid: 0 }, {}, function (err) {
				assert.equal(err.message, '[[error:not-logged-in]]');
				done();
			});
		});

		it('should error if data is invalid or missing', function (done) {
			socketPosts.edit({ uid: voterUid }, {}, function (err) {
				assert.equal(err.message, '[[error:invalid-data]]');
				done();
			});
		});

		it('should error if title is too short', function (done) {
			socketPosts.edit({ uid: voterUid }, { pid: pid, content: 'edited post content', title: 'a' }, function (err) {
				assert.equal(err.message, '[[error:title-too-short, ' + meta.config.minimumTitleLength + ']]');
				done();
			});
		});

		it('should error if title is too long', function (done) {
			var longTitle = new Array(parseInt(meta.config.maximumTitleLength, 10) + 2).join('a');
			socketPosts.edit({ uid: voterUid }, { pid: pid, content: 'edited post content', title: longTitle }, function (err) {
				assert.equal(err.message, '[[error:title-too-long, ' + meta.config.maximumTitleLength + ']]');
				done();
			});
		});

		it('should error with too few tags', function (done) {
			var oldValue = meta.config.minimumTagsPerTopic;
			meta.config.minimumTagsPerTopic = 1;
			socketPosts.edit({ uid: voterUid }, { pid: pid, content: 'edited post content', tags: [] }, function (err) {
				assert.equal(err.message, '[[error:not-enough-tags, ' + meta.config.minimumTagsPerTopic + ']]');
				meta.config.minimumTagsPerTopic = oldValue;
				done();
			});
		});

		it('should error with too many tags', function (done) {
			var tags = [];
			for (var i = 0; i < meta.config.maximumTagsPerTopic + 1; i += 1) {
				tags.push('tag' + i);
			}
			socketPosts.edit({ uid: voterUid }, { pid: pid, content: 'edited post content', tags: tags }, function (err) {
				assert.equal(err.message, '[[error:too-many-tags, ' + meta.config.maximumTagsPerTopic + ']]');
				done();
			});
		});

		it('should error if content is too short', function (done) {
			socketPosts.edit({ uid: voterUid }, { pid: pid, content: 'e' }, function (err) {
				assert.equal(err.message, '[[error:content-too-short, ' + meta.config.minimumPostLength + ']]');
				done();
			});
		});

		it('should error if content is too long', function (done) {
			var longContent = new Array(parseInt(meta.config.maximumPostLength, 10) + 2).join('a');
			socketPosts.edit({ uid: voterUid }, { pid: pid, content: longContent }, function (err) {
				assert.equal(err.message, '[[error:content-too-long, ' + meta.config.maximumPostLength + ']]');
				done();
			});
		});

		it('should edit post', function (done) {
			socketPosts.edit({ uid: voterUid }, { pid: pid, content: 'edited post content', title: 'edited title', tags: ['edited'] }, function (err, data) {
				assert.ifError(err);
				assert.equal(data.content, 'edited post content');
				assert.equal(data.editor, voterUid);
				assert.equal(data.topic.title, 'edited title');
				assert.equal(data.topic.tags[0].value, 'edited');
				done();
			});
		});

		it('should edit a deleted post', function (done) {
			socketPosts.delete({ uid: voterUid }, { pid: pid, tid: tid }, function (err) {
				assert.ifError(err);
				socketPosts.edit({ uid: voterUid }, { pid: pid, content: 'edited deleted content', title: 'edited deleted title', tags: ['deleted'] }, function (err, data) {
					assert.ifError(err);
					assert.equal(data.content, 'edited deleted content');
					assert.equal(data.editor, voterUid);
					assert.equal(data.topic.title, 'edited deleted title');
					assert.equal(data.topic.tags[0].value, 'deleted');
					done();
				});
			});
		});

		it('should edit a reply post', function (done) {
			socketPosts.edit({ uid: voterUid }, { pid: replyPid, content: 'edited reply' }, function (err, data) {
				assert.ifError(err);
				assert.equal(data.content, 'edited reply');
				assert.equal(data.editor, voterUid);
				assert.equal(data.topic.isMainPost, false);
				assert.equal(data.topic.renamed, false);
				done();
			});
		});
	});

	describe('move', function () {
		var replyPid;
		var tid;
		var moveTid;

		before(function (done) {
			async.waterfall([
				function (next) {
					topics.post({
						uid: voterUid,
						cid: cid,
						title: 'topic 1',
						content: 'some content',
					}, next);
				},
				function (data, next) {
					tid = data.topicData.tid;
					topics.post({
						uid: voterUid,
						cid: cid,
						title: 'topic 2',
						content: 'some content',
					}, next);
				},
				function (data, next) {
					moveTid = data.topicData.tid;
					topics.reply({
						uid: voterUid,
						tid: tid,
						timestamp: Date.now(),
						content: 'A reply to move',
					}, function (err, data) {
						assert.ifError(err);
						replyPid = data.pid;
						next();
					});
				},
			], done);
		});

		it('should error if uid is not logged in', function (done) {
			socketPosts.movePost({ uid: 0 }, {}, function (err) {
				assert.equal(err.message, '[[error:not-logged-in]]');
				done();
			});
		});

		it('should error if data is invalid', function (done) {
			socketPosts.movePost({ uid: globalModUid }, {}, function (err) {
				assert.equal(err.message, '[[error:invalid-data]]');
				done();
			});
		});

		it('should error if user does not have move privilege', function (done) {
			socketPosts.movePost({ uid: voterUid }, { pid: replyPid, tid: moveTid }, function (err) {
				assert.equal(err.message, '[[error:no-privileges]]');
				done();
			});
		});


		it('should move a post', function (done) {
			socketPosts.movePost({ uid: globalModUid }, { pid: replyPid, tid: moveTid }, function (err) {
				assert.ifError(err);
				posts.getPostField(replyPid, 'tid', function (err, tid) {
					assert.ifError(err);
					assert(tid, moveTid);
					done();
				});
			});
		});
	});

	describe('getPostSummaryByPids', function () {
		it('should return empty array for empty pids', function (done) {
			posts.getPostSummaryByPids([], 0, {}, function (err, data) {
				assert.ifError(err);
				assert.equal(data.length, 0);
				done();
			});
		});

		it('should get post summaries', function (done) {
			posts.getPostSummaryByPids([postData.pid], 0, {}, function (err, data) {
				assert.ifError(err);
				assert(data[0].user);
				assert(data[0].topic);
				assert(data[0].category);
				done();
			});
		});
	});

	it('should get recent poster uids', function (done) {
		topics.reply({
			uid: voterUid,
			tid: topicData.tid,
			timestamp: Date.now(),
			content: 'some content',
		}, function (err) {
			assert.ifError(err);
			posts.getRecentPosterUids(0, 1, function (err, uids) {
				assert.ifError(err);
				assert(Array.isArray(uids));
				assert.equal(uids.length, 2);
				assert.equal(uids[0], voterUid);
				done();
			});
		});
	});

	describe('parse', function () {
		it('should store post content in cache', function (done) {
			var oldValue = global.env;
			global.env = 'production';
			var postData = {
				pid: 9999,
				content: 'some post content',
			};
			posts.parsePost(postData, function (err) {
				assert.ifError(err);
				posts.parsePost(postData, function (err) {
					assert.ifError(err);
					global.env = oldValue;
					done();
				});
			});
		});

		it('should parse signature and remove links and images', function (done) {
			var meta = require('../src/meta');
			meta.config['signatures:disableLinks'] = 1;
			meta.config['signatures:disableImages'] = 1;
			var userData = {
				signature: '<img src="boop"/><a href="link">test</a> derp',
			};

			posts.parseSignature(userData, 1, function (err, data) {
				assert.ifError(err);
				assert.equal(data.userData.signature, 'test derp');
				meta.config['signatures:disableLinks'] = 0;
				meta.config['signatures:disableImages'] = 0;
				done();
			});
		});

		it('should turn relative links in post body to absolute urls', function (done) {
			var nconf = require('nconf');
			var content = '<a href="/users">test</a> <a href="youtube.com">youtube</a>';
			var parsedContent = posts.relativeToAbsolute(content);
			assert.equal(parsedContent, '<a href="' + nconf.get('url') + '/users">test</a> <a href="//youtube.com">youtube</a>');
			done();
		});
	});

	describe('socket methods', function () {
		var pid;
		before(function (done) {
			topics.reply({
				uid: voterUid,
				tid: topicData.tid,
				timestamp: Date.now(),
				content: 'raw content',
			}, function (err, postData) {
				assert.ifError(err);
				pid = postData.pid;
				privileges.categories.rescind(['read'], cid, 'guests', done);
			});
		});

		it('should error with invalid data', function (done) {
			socketPosts.reply({ uid: 0 }, null, function (err) {
				assert.equal(err.message, '[[error:invalid-data]]');
				done();
			});
		});

		it('should error with invalid tid', function (done) {
			socketPosts.reply({ uid: 0 }, { tid: 0, content: 'derp' }, function (err) {
				assert.equal(err.message, '[[error:invalid-data]]');
				done();
			});
		});

		it('should fail to get raw post because of privilege', function (done) {
			socketPosts.getRawPost({ uid: 0 }, pid, function (err) {
				assert.equal(err.message, '[[error:no-privileges]]');
				done();
			});
		});

		it('should fail to get raw post because post is deleted', function (done) {
			posts.setPostField(pid, 'deleted', 1, function (err) {
				assert.ifError(err);
				socketPosts.getRawPost({ uid: voterUid }, pid, function (err) {
					assert.equal(err.message, '[[error:no-post]]');
					done();
				});
			});
		});

		it('should get raw post content', function (done) {
			posts.setPostField(pid, 'deleted', 0, function (err) {
				assert.ifError(err);
				socketPosts.getRawPost({ uid: voterUid }, pid, function (err, postContent) {
					assert.ifError(err);
					assert.equal(postContent, 'raw content');
					done();
				});
			});
		});

		it('should get post', function (done) {
			socketPosts.getPost({ uid: voterUid }, pid, function (err, postData) {
				assert.ifError(err);
				assert(postData);
				done();
			});
		});

		it('shold error with invalid data', function (done) {
			socketPosts.loadMoreBookmarks({ uid: voterUid }, { uid: voterUid, after: null }, function (err) {
				assert.equal(err.message, '[[error:invalid-data]]');
				done();
			});
		});

		it('should load more bookmarks', function (done) {
			socketPosts.loadMoreBookmarks({ uid: voterUid }, { uid: voterUid, after: 0 }, function (err, data) {
				assert.ifError(err);
				assert(data);
				done();
			});
		});

		it('should load more user posts', function (done) {
			socketPosts.loadMoreUserPosts({ uid: voterUid }, { uid: voterUid, after: 0 }, function (err, data) {
				assert.ifError(err);
				assert(data);
				done();
			});
		});

		it('should load more best posts', function (done) {
			socketPosts.loadMoreBestPosts({ uid: voterUid }, { uid: voterUid, after: 0 }, function (err, data) {
				assert.ifError(err);
				assert(data);
				done();
			});
		});

		it('should load more up voted posts', function (done) {
			socketPosts.loadMoreUpVotedPosts({ uid: voterUid }, { uid: voterUid, after: 0 }, function (err, data) {
				assert.ifError(err);
				assert(data);
				done();
			});
		});

		it('should load more down voted posts', function (done) {
			socketPosts.loadMoreDownVotedPosts({ uid: voterUid }, { uid: voterUid, after: 0 }, function (err, data) {
				assert.ifError(err);
				assert(data);
				done();
			});
		});

		it('should get post category', function (done) {
			socketPosts.getCategory({ uid: voterUid }, pid, function (err, postCid) {
				assert.ifError(err);
				assert.equal(cid, postCid);
				done();
			});
		});

		it('should error with invalid data', function (done) {
			socketPosts.getPidIndex({ uid: voterUid }, null, function (err) {
				assert.equal(err.message, '[[error:invalid-data]]');
				done();
			});
		});

		it('should get pid index', function (done) {
			socketPosts.getPidIndex({ uid: voterUid }, { pid: pid, tid: topicData.tid, topicPostSort: 'oldest-to-newest' }, function (err, index) {
				assert.ifError(err);
				assert.equal(index, 2);
				done();
			});
		});
	});

	after(function (done) {
		db.emptydb(done);
	});
});