var config = require('./config.js').config;
var uuid = require('node-uuid');

// Post management routing

module.exports = function(app) {

    // GET /admin/post/list
    app.get('/admin/post/list/:start?',
        function(req, res, next) {
            var count = 25;
            if (req.params.start) {
                var start = req.params.start;
            } else {
                var start = 0;
            }
            Post.getPosts(count, start, function(err, posts){
                res.render('admin-post-list', {
                    successNotice: req.flash('successNotice'),
                    failureNotice: req.flash('failureNotice'),
                    posts: posts,
                    user: req.user
                });
            });
        }
    );

    // GET /admin/post/view
    app.get('/admin/post/view/:uuid?',
        function (req, res, next) {
            if (req.params.uuid) {
                Post.getByUUID(req.params.uuid, function(err, post) {
                    res.render('admin-post-view', {
                        successNotice: req.flash('successNotice'),
                        failureNotice: req.flash('failureNotice'),
                        post: post,
                        user: req.user
                    });
                });
            }
            else {
                res.redirect('/admin/post/list');
            }
        }
    );

    // GET /admin/post/new
    app.get('/admin/post/new',
        function(req, res, next) {
            Category.getCategories(null, null, function (err, categories) {
                res.render('admin-post-new', { categories: categories, user: req.user });
            });
        }
    );

    // POST /admin/post/new
    app.post('/admin/post/new',
        function(req, res, next) {
            var post = new Post({'uuid': uuid.v1()});
            post.set("title", req.body.title);
            if (req.body.slug != "") {
                post.set("slug", req.body.slug);
            } else {
                post.set("slug", post.makeSlug());
            }
            if (req.body.postDate != "") {
                post.set("postDate", new Date(req.body.postDate));
                post.set("updatedDate", new Date(req.body.postDate));
            }
            post.tagPost(req.body.tags);
            post.set("markdown", req.body.markdown);
            if (req.body.published) {
                post.set("published", true);
            } else {
                post.set("published", false);
            }
            Category.getByName(req.body.category, function (err, category) {
                post.set("category", category.get("uuid"));
                post.save(null, function (err) {
                    if (!err) {
                        req.flash('successNotice', 'Post created.');
                        res.redirect('/admin/post/edit/'+post.get("uuid"));
                    }
                    else {
                        req.flash('failureNotice', 'Post creation failed');
                        res.redirect('/admin/post/new/');
                    }
                });
            });
        }
    );

    // GET /admin/post/edit
    app.get('/admin/post/edit/:uuid',
        function(req, res, next) {
            Post.getByUUID(req.params.uuid, function(err, post) {
                Category.getByUUID(post.get("category"), function(err, category) {
                    Category.getCategories(null, null, function(err, categories) {
                        var tags = ""
                        for (i=0; i<post.get("tags").length; i++) {
                            tags += post.get("tags")[i].name + " ";
                        }
                        res.render('admin-post-edit', {
                            successNotice: req.flash('successNotice'),
                            failureNotice: req.flash('failureNotice'),
                            categories: categories,
                            category: category,
                            post: post,
                            postTags: tags,
                            user: req.user
                        });
                    });
                });
            });
        }
    );

    // POST /admin/post/edit
    app.post('/admin/post/edit/:uuid',
        function(req, res, next) {
            Post.getByUUID(req.params.uuid, function(err, post) {
                post.set("title", req.body.title);
                post.set("slug", req.body.slug);
                post.set("markdown", req.body.markdown);
                post.set("postDate", new Date(req.body.postDate));
                post.tagPost(req.body.tags);
                if (req.body.published) {
                    post.set("published", true);
                } else {
                    post.set("published", false);
                }
                Category.getByName(req.body.category, function(err, category) {
                    post.set("category", category.get("uuid"));
                    post.save(null, function(err) {
                        if (!err) {
                            req.flash("successNotice", "Post updated.");
                            res.redirect("/admin/post/edit/"+post.get("uuid"));
                        }
                        else {
                            req.flash("failureNotice", "Post failed to update.");
                            res.redirect("/admin/post/edit/"+post.get("uuid"));
                        }
                    });
                });
            });
        }
    );

    // GET /admin/post/build
    app.get('/admin/post/build/:uuid?',
        function(req, res, next) {
            if (req.params.uuid) {
                Static.updateBuildFolder(function (err) {
                    if (err) console.log(err);
                });
                post = Post.getByUUID(req.params.uuid, function (err, post) {
                    if (!err && post) {
                        post.build(function (err) {
                            if (!err) {
                                req.flash('successNotice', 'Post rebuilt successfully.');
                                res.redirect(req.header('Referer') || '/admin');
                            }
                            else {
                                console.log(err);
                                req.flash('failureNotice', 'Post regeneration failed, check logs.');
                                res.redirect(req.header('Referer') || '/admin');
                            }
                        });
                    } else {
                        console.log(err);
                        req.flash('failureNotice', 'Post regeneration failed, check logs.');
                        res.redirect(req.header('Referer') || '/admin');
                    }
                });
            }
            else {
                res.redirect('/admin/post/list');
            }
        }
    );
}