'use strict';

/* global angular, $, async */

// create main application module
var app = angular.module('Application', ['angular-md5', 'ui-notification']);

angular.module('Application').filter('prettyOwner', function () {
    return function (uid) {
        if (uid === 0) return 'root';
        if (uid === 33) return 'cloudron';
        if (uid === 1000) return 'cloudron';
        if (uid === 1001) return 'git';

        return uid;
    }
});

app.controller('FileManagerController', ['$scope', 'Client', function ($scope, Client) {
    var search = decodeURIComponent(window.location.search).slice(1).split('&').map(function (item) { return item.split('='); }).reduce(function (o, k) { o[k[0]] = k[1]; return o; }, {});

    $scope.initialized = false;
    $scope.client = Client;
    $scope.cwd = '/';
    $scope.cwdParts = [];
    $scope.appId = search.appId;
    $scope.app = null;
    $scope.entries = [];

    function sanitize(filePath) {
        filePath = filePath.split('/').filter(function (a) { return !!a; }).reduce(function (a, v) {
            if (v === '.'); // do nothing
            else if (v === '..') a.pop();
            else a.push(v);
            return a;
        }, []).join('/');

        return '/' + filePath;
    }

    $scope.refresh = function () {
        Client.filesGet($scope.appId, $scope.cwd, function (error, result) {
            if (error) return Client.error(error);

            console.log(result);

            $scope.entries = result.entries;
        });
    };

    $scope.uploadFile = function () {
        console.log('uploadFile');
    };

    $scope.uploadFolder = function () {
        console.log('uploadFolder');
    };

    $scope.open = function (entry) {
        var filePath = sanitize($scope.cwd + '/' + entry.fileName);

        if (entry.isDirectory) {
            setDirectory(filePath);
        } else if (entry.isFile) {
            Client.filesGet($scope.appId, filePath, function (error, result) {
                if (error) return Client.error(error);

                console.log('open', result);
            });
        } else {}
    };

    $scope.goDirectoryUp = function () {
        setDirectory($scope.cwd + '/..');
    };

    $scope.changeDirectory = function (path) {
        setDirectory(path);
    };

    function setDirectory(path) {
        path = sanitize(path);

        if ($scope.cwd === path) return;

        $scope.cwd = path;
        $scope.cwdParts = path.split('/').filter(function (p) { return !!p; }).map(function (p, i) { return { name: p, path: path.split('/').slice(0, i+2).join('/') }; });
        $scope.refresh();
    }

    $scope.uploadStatus = {
        busy: false,
        count: 0,
        size: 0,
        done: 0,
        percentDone: 0
    };

    function uploadFiles(files) {
        if (!files || !files.length) return;

        $scope.uploadStatus.busy = true;
        $scope.uploadStatus.count = files.length;
        $scope.uploadStatus.size = 0;
        $scope.uploadStatus.done = 0;
        $scope.uploadStatus.percentDone = 0;

        for (var i = 0; i < files.length; ++i) {
            $scope.uploadStatus.size += files[i].size;
        }

        async.eachSeries(files, function (file, callback) {
            var finishedUploadSize = $scope.uploadStatus.done;

            var filePath = sanitize($scope.cwd + '/' + (file.webkitRelativePath || file.name));

            Client.filesUpload($scope.appId, filePath, file, callback);
        }, function (error) {
            if (error) console.error(error);

            $scope.uploadStatus.busy = false;
            $scope.uploadStatus.count = 0;
            $scope.uploadStatus.size = 0;
            $scope.uploadStatus.done = 0;
            $scope.uploadStatus.percentDone = 100;

            $scope.refresh();
        });
    }

    // file upload
    $('#uploadFileInput').on('change', function (e) { uploadFiles(e.target.files || []); });
    $scope.onUploadFile = function () { $('#uploadFileInput').click(); };

    // folder upload
    $('#uploadFolderInput').on('change', function (e ) { uploadFiles(e.target.files || []); });
    $scope.onUploadFolder = function () { $('#uploadFolderInput').click(); };

    $scope.newDirectory = {
        busy: false,
        error: null,
        name: '',

        show: function () {
            $scope.newDirectory.error = null;
            $scope.newDirectory.name = '';
            $scope.newDirectory.busy = false;

            $scope.newDirectoryForm.$setUntouched();
            $scope.newDirectoryForm.$setPristine();

            $('#newDirectoryModal').modal('show');
        },

        submit: function () {
            $scope.newDirectory.busy = true;
            $scope.newDirectory.error = null;

            var filePath = sanitize($scope.cwd + '/' + $scope.newDirectory.name);

            Client.filesCreateDirectory($scope.appId, filePath, function (error, result) {
                $scope.newDirectory.busy = false;
                if (error && error.statusCode === 409) return $scope.newDirectory.error = 'Already exists';
                if (error) return Client.error(error);

                console.log('create direcotory', result);

                $scope.refresh();

                $('#newDirectoryModal').modal('hide');
            });
        }
    };

    $scope.renameEntry = {
        busy: false,
        error: null,
        entry: null,
        newName: '',

        show: function (entry) {
            $scope.renameEntry.error = null;
            $scope.renameEntry.entry = entry;
            $scope.renameEntry.newName = entry.fileName;
            $scope.renameEntry.busy = false;

            $('#renameEntryModal').modal('show');
        },

        submit: function () {
            $scope.renameEntry.busy = true;

            var oldFilePath = sanitize($scope.cwd + '/' + $scope.renameEntry.entry.fileName);
            var newFilePath = sanitize($scope.cwd + '/' + $scope.renameEntry.newName);

            Client.filesRename($scope.appId, oldFilePath, newFilePath, function (error, result) {
                $scope.renameEntry.busy = false;
                if (error) return Client.error(error);

                console.log('rename', result);

                $scope.refresh();

                $('#renameEntryModal').modal('hide');
            });
        }
    };

    $scope.entryRemove = {
        busy: false,
        error: null,
        entry: null,

        show: function (entry) {
            $scope.entryRemove.error = null;
            $scope.entryRemove.entry = entry;

            $('#entryRemoveModal').modal('show');
        },

        submit: function () {
            $scope.entryRemove.busy = true;

            var filePath = sanitize($scope.cwd + '/' + $scope.entryRemove.entry.fileName);

            Client.filesRemove($scope.appId, filePath, function (error, result) {
                $scope.entryRemove.busy = false;
                if (error) return Client.error(error);

                console.log('remove', result);

                $scope.refresh();

                $('#entryRemoveModal').modal('hide');
            });
        }
    };

    function init() {

        Client.getStatus(function (error, status) {
            if (error) return Client.initError(error, init);

            if (!status.activated) {
                console.log('Not activated yet, redirecting', status);
                window.location.href = '/';
                return;
            }

            // check version and force reload if needed
            if (!localStorage.version) {
                localStorage.version = status.version;
            } else if (localStorage.version !== status.version) {
                localStorage.version = status.version;
                window.location.reload(true);
            }

            console.log('Running filemanager version ', localStorage.version);

            // get user profile as the first thing. this populates the "scope" and affects subsequent API calls
            Client.refreshUserInfo(function (error) {
                if (error) return Client.initError(error, init);

                Client.refreshConfig(function (error) {
                    if (error) return Client.initError(error, init);

                    Client.getApp($scope.appId, function (error, result) {
                        if (error) return Client.initError(error, init);

                        $scope.app = result;

                        // now mark the Client to be ready
                        Client.setReady();

                        $scope.refresh();

                        $scope.initialized = true;
                    });
                });
            });
        });
    }

    init();

    // setup all the dialog focus handling
    ['newDirectoryModal'].forEach(function (id) {
        $('#' + id).on('shown.bs.modal', function () {
            $(this).find("[autofocus]:first").focus();
        });
    });
}]);