"use strict";

module.exports = function (ngApp) {

    ngApp.controller('ImageManagerController', ['$scope', '$attrs', '$http', '$timeout', 'imageManagerService',
        function ($scope, $attrs, $http, $timeout, imageManagerService) {
            $scope.images = [];
            $scope.imageType = $attrs.imageType;
            $scope.selectedImage = false;
            $scope.dependantPages = false;
            $scope.showing = false;
            $scope.hasMore = false;
            $scope.imageUpdateSuccess = false;
            $scope.imageDeleteSuccess = false;
            var page = 0;
            var previousClickTime = 0;
            var dataLoaded = false;
            var callback = false;

            $scope.getUploadUrl = function () {
                return '/images/' + $scope.imageType + '/upload';
            };

            $scope.uploadSuccess = function (file, data) {
                $scope.$apply(() => {
                    $scope.images.unshift(data);
                });
            };

            function callbackAndHide(returnData) {
                if (callback) callback(returnData);
                $scope.showing = false;
            }

            $scope.imageSelect = function (image) {
                var dblClickTime = 300;
                var currentTime = Date.now();
                var timeDiff = currentTime - previousClickTime;

                if (timeDiff < dblClickTime) {
                    // If double click
                    callbackAndHide(image);
                } else {
                    // If single
                    $scope.selectedImage = image;
                    $scope.dependantPages = false;
                }
                previousClickTime = currentTime;
            };

            $scope.selectButtonClick = function () {
                callbackAndHide($scope.selectedImage);
            };

            function show(doneCallback) {
                callback = doneCallback;
                $scope.showing = true;
                // Get initial images if they have not yet been loaded in.
                if (!dataLoaded) {
                    fetchData();
                    dataLoaded = true;
                }
            }

            imageManagerService.show = show;
            imageManagerService.showExternal = function (doneCallback) {
                $scope.$apply(() => {
                    show(doneCallback);
                });
            };
            window.ImageManager = imageManagerService;

            $scope.hide = function () {
                $scope.showing = false;
            };

            function fetchData() {
                var url = '/images/' + $scope.imageType + '/all/' + page;
                $http.get(url).then((response) => {
                    $scope.images = $scope.images.concat(response.data.images);
                    $scope.hasMore = response.data.hasMore;
                    page++;
                });
            }

            $scope.saveImageDetails = function (event) {
                event.preventDefault();
                var url = '/images/update/' + $scope.selectedImage.id;
                $http.put(url, this.selectedImage).then((response) => {
                    $scope.imageUpdateSuccess = true;
                    $timeout(() => {
                        $scope.imageUpdateSuccess = false;
                    }, 3000);
                }, (response) => {
                    var errors = response.data;
                    var message = '';
                    Object.keys(errors).forEach((key) => {
                        message += errors[key].join('\n');
                    });
                    $scope.imageUpdateFailure = message;
                    $timeout(() => {
                        $scope.imageUpdateFailure = false;
                    }, 5000);
                });
            };

            $scope.deleteImage = function (event) {
                event.preventDefault();
                var force = $scope.dependantPages !== false;
                var url = '/images/' + $scope.selectedImage.id;
                if (force) url += '?force=true';
                $http.delete(url).then((response) => {
                    $scope.images.splice($scope.images.indexOf($scope.selectedImage), 1);
                    $scope.selectedImage = false;
                    $scope.imageDeleteSuccess = true;
                    $timeout(() => {
                        $scope.imageDeleteSuccess = false;
                    }, 3000);
                }, (response) => {
                    // Pages failure
                    if (response.status === 400) {
                        $scope.dependantPages = response.data;
                    }
                });
            };

        }]);


    ngApp.controller('BookShowController', ['$scope', '$http', '$attrs', function ($scope, $http, $attrs) {
        $scope.searching = false;
        $scope.searchTerm = '';
        $scope.searchResults = '';

        $scope.searchBook = function (e) {
            e.preventDefault();
            var term = $scope.searchTerm;
            if (term.length == 0) return;
            $scope.searching = true;
            $scope.searchResults = '';
            var searchUrl = '/search/book/' + $attrs.bookId;
            searchUrl += '?term=' + encodeURIComponent(term);
            $http.get(searchUrl).then((response) => {
                $scope.searchResults = response.data;
            });
        };

        $scope.checkSearchForm = function () {
            if ($scope.searchTerm.length < 1) {
                $scope.searching = false;
            }
        };

        $scope.clearSearch = function () {
            $scope.searching = false;
            $scope.searchTerm = '';
        };

    }]);


};