// Routes for photo administration.
var config = require('./config.js').config;
var multer = require('multer');
var upload = multer({ dest: config.uploadDir });

module.exports = function(app) {
    // Photo management Routing
    app.get('/admin/photo/list/:start?',
        function(req, res, next) {
            var count = 25;
            if (req.params.start) {
                var start = req.params.start;
            } else {
                var start = 0;
            }
            database.listPhotos(count, start, function(photos){
                for (photo in photos) {
                    var date = new Date(photos[photo].photoDate);
                    photos[photo].dateString = date.getFullYear() + '-' +
                        ("0" + (date.getMonth()+1)).slice(-2) + '-' +
                        ("0" + date.getDate()).slice(-2);
                }
                res.render('admin-photo-list', {photos, user: req.user});
            });
    }
    );

    app.get('/admin/photo/view/:id?',
        function (req, res, next) {
            if (req.params.id) {
                database.getPhotoById(req.params.id, function(row) {
                    res.render('admin-photo-view', {
                        successNotice: req.flash('successNotice'),
                        failureNotice: req.flash('failureNotice'),
                        photo: row,
                        srcPath: '/'+row.path,
                        user: req.user
                    })
                })
            }
            else {
                res.redirect('/admin/photo/list');
            }
    }
    );

    app.get('/admin/photo/new',
        function(req, res, next) {
            res.render('admin-photo-new', { user: req.user });
    }
    );

    app.post('/admin/photo/new',
        upload.single('photo'),
        function(req, res, next) {
            console.log(req.file);
            if ( req.body.title != "") {
                var title = req.body.title;
            }
            else {
                var title = req.file.originalname.split('.').slice(0,-1).join(' ');
            }
            var extension = req.file.originalname.split('.').slice(-1);
            if (req.body.photoDate != "") {
                var photoDate = helper.dateToEpoch(new Date(req.body.photoDate));
            }
            else {
                var photoDate = helper.dateToEpoch(new Date());
            }
            if (req.body.slug != "") {
                var slug = req.body.slug;
            }
            else if ( req.body.title != "" ){
                var slug = helper.makeSlug(title+'-'+photoDate);
            }
            else {
                var cleanFileName = req.file.originalname.split('.').slice(0,-1).join('-');
                var slug = helper.makeSlug(cleanFileName+'-'+photoDate);
            }
            var mimetype = req.file.mimetype;
            var tags = helper.parseTags(req.body.tags);
            var markdown = req.body.markdown;
            var updatedDate = photoDate;
            var createDate = helper.dateToEpoch(new Date());
            var categoryName = req.body.category;
            var path = req.file.path;

            database.createPhoto(title, slug, markdown, extension, mimetype, photoDate, updatedDate, createDate, path, function(err, row) {
                if (err) console.log(err);
                console.log(row);
                database.tagPhoto(row.id, tags);
                req.flash('successNotice', 'Photo created.');
                res.redirect('/admin/photo/view/'+row.id);
            });
    }
    );

    app.get('/admin/photo/edit/:id',
        function(req, res, next) {
            var id = req.params.id;
            async.parallel({
                photoTags: function(callback) {
                    database.getPhotoTagsAsString(id, function(tagString) {
                        callback(null, tagString);
                    })
                },
                photo: function(callback) {
                    database.getPhotoById(id, function(photo) {
                        callback(null, photo);
                    })
                }
            },
            function(err, results) {
                res.render('admin-photo-edit', {
                    successNotice: req.flash('successNotice'),
                    failureNotice: req.flash('failureNotice'),
                    photo: results.photo,
                    srcPath: '/'+results.photo.path,
                    photoTags: results.photoTags,
                    formattedDate: helper.epochToDateString(results.photo.photoDate),
                    user: req.user
                });
            });
    }
    );

    app.post('/admin/photo/edit/:id',
        function(req, res, next) {
            var id = req.params.id;
            var title = req.body.title;
            var slug = req.body.slug;
            var markdown = req.body.markdown;
            var photoDate = helper.dateToEpoch(new Date(req.body.photoDate));
            var tags = helper.parseTags(req.body.tags);
            console.log('Post '+id+' update request received');
            database.tagPhoto(id, tags);
            database.updatePhoto(id, title, slug, markdown, photoDate, function(err, row) {
                req.flash('successNotice', 'Photo updated.');
                res.redirect('/admin/photo/view/'+id);
            });
    }
    );

    app.get('/admin/photo/regenerate/:id',
        function(req, res, next) {
            console.log('Generating resized images for: '+req.params.id);
            genStatic.generateStatic(function(err){ if (err) console.log(err) });
            genPhotos.generatePhotoSizesById(req.params.id, function(err) {
                if (!err) {
                    genPhotos.generatePhotoPage(req.params.id, function(err) {
                        if (!err) {
                            req.flash("successNotice", "Photo regenerated");
                            res.redirect('/admin/photo/view/'+req.params.id);
                        }
                        else {
                            req.flash('failureNotice', 'Photo was unable to be resized.');
                            res.redirect('/admin/photo/view/'+req.params.id);
                        }
                    })
                }
                else {
                    req.flash('failureNotice', 'Photo was unable to be resized.');
                    res.redirect('/admin/photo/view/'+req.params.id);
                }
            });
    }
    );
}