// Routes for photo administration.
var config = require('./config.js').config;
var multer = require('multer');
var ExifImage = require('exif').ExifImage;
var jade = require('jade');
var upload = multer({ dest: config.uploadDir });
var uuid = require('node-uuid');

module.exports = function(app) {

    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;
            }

            Photo.getPhotos(count, start, function(err, photos) {
                res.render('admin-photo-list', {
                    successNotice: req.flash('successNotice'),
                    failureNotice: req.flash('failureNotice'),
                    photos,
                    user: req.user
                });
            });
        }
    );

    app.get('/admin/photo/view/:uuid?',
        function (req, res, next) {
            if (req.params.uuid) {
                Photo.getByUUID(req.params.uuid, function(err, photo) {
                    var jadeOut = jade.renderFile('views/partial-photo.jade', {
                        pretty: true,
                        photo: photo
                    });
                    res.render('admin-photo-view', {
                        successNotice: req.flash('successNotice'),
                        failureNotice: req.flash('failureNotice'),
                        photo,
                        htmlSnippet: jadeOut,
                        user: req.user
                    });
                });
            }
            else {
                res.redirect('/admin/photo/list');
            }
        }
    );

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

    app.post('/admin/photo/new',
        upload.single('photo'),
        function(req, res, next) {
            var photo = new Photo({'uuid': uuid.v1()});
            if (req.body.title != '') {
                photo.set('title', req.body.title);
            } else {
                photo.set('title', req.file.originalname.split('.').slice(0,-1).join(' '));
            }
            photo.set('extension', req.file.originalname.split('.').slice(-1));
            if (req.body.photoDate != "") {
                photo.set('photoDate', new Date(req.body.photoDate));
            } else {
                photo.set('photoDate', new Date());
            }
            if (req.body.slug != "") {
                photo.set('slug', req.body.slug);
            } else {
                photo.set('slug', photo.makeSlug());
            }
            photo.set('mimetype', req.file.mimetype);
            photo.set('markdown', req.body.markdown);
            photo.set('createdDate', new Date());
            photo.set('masterPath', req.file.path);
            photo.tagPhoto(req.body.tags);
            if (req.body.published) {
                photo.set("published", true);
            } else {
                photo.set("published", false);
            }

            ExifImage({image: photo.get('masterPath')}, function (err, exifData) {
                if (!err) {
                    photo.set('exif', exifData.exif || {});
                    photo.set('gps', exifData.gps || {});
                    photo.save(null, function (err) {
                        if (!err) {
                            req.flash('successNotice', 'Photo created.');
                            res.redirect('/admin/photo/view/'+photo.get('uuid'));
                        } else {
                            console.log(err);
                            req.flash('failureNotice', 'Photo failed to be created');
                            res.redirect(req.header('Referer') || '/admin');
                        }
                    });
                } else {
                    console.log(err);
                    req.flash('failureNotice', 'Photo failed to be created');
                    res.redirect(req.header('Referer') || '/admin');
                }
            });
        }
    );

    app.get('/admin/photo/edit/:uuid',
        function(req, res, next) {
            Photo.getByUUID(req.params.uuid, function (err, photo) {
                var tags = ""
                for (i=0; i<photo.get("tags").length; i++) {
                    tags += photo.get("tags")[i].name + " ";
                }
                res.render('admin-photo-edit', {
                    successNotice: req.flash('successNotice'),
                    failureNotice: req.flash('failureNotice'),
                    photo: photo,
                    tags: tags,
                    user: req.user
                });
            })
        }
    );

    app.post('/admin/photo/edit/:uuid',
        function(req, res, next) {
            Photo.getByUUID(req.params.uuid, function (err, photo) {
                photo.set('title', req.body.title);
                if (req.body.slug != '') {
                    photo.set('slug', req.body.slug);
                } else {
                    photo.set('slug', photo.makeSlug());
                }
                photo.set('markdown', req.body.markdown);
                photo.set('photoDate', new Date(req.body.photoDate));
                photo.tagPhoto(req.body.tags);
                if (req.body.published) {
                    photo.set("published", true);
                } else {
                    photo.set("published", false);
                }
                console.log('Updating photo: '+photo.get('title'));
                photo.save(null, function (err) {
                    if (!err) {
                        console.log('Photo updated.');
                        req.flash('successNotice', 'Photo updated.');
                        res.redirect('/admin/photo/edit/'+photo.get('uuid'));
                    } else {
                        console.log(err);
                        req.flash('failureNotice', 'Photo failed to update.');
                        res.redirect('/admin/photo/edit/'+photo.get('uuid'));
                    }
                });
            });
        }
    );

    app.get('/admin/photo/build/:uuid',
        function(req, res, next) {
            if (req.params.uuid) {
                Static.updateBuildFolder(function (err) {
                    if (err) console.log(err);
                });
                Photo.getByUUID(req.params.uuid, function (err, photo) {
                    console.log('Building '+photo.get('title'));
                    photo.build(function (err) {
                        if (!err) {
                            console.log(photo.get('title') + ' built.');
                            req.flash("successNotice", 'Photo "'+photo.get('title')+'" built');
                            res.redirect(req.header('Referer') || '/admin');
                        }
                        else {
                            console.log(err);
                            req.flash('failureNotice', 'Unable to build photo.');
                            res.redirect(req.header('Referer') || '/admin');
                        }
                    });
                });
            } else {
                res.redirect('/admin/photos/list');
            }
        }
    );
}