var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __generator = (this && this.__generator) || function (thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
    function verb(n) { return function (v) { return step([n, v]); }; }
    function step(op) {
        if (f) throw new TypeError("Generator is already executing.");
        while (g && (g = 0, op[0] && (_ = 0)), _) try {
            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
            if (y = 0, t) op = [op[0] & 2, t.value];
            switch (op[0]) {
                case 0: case 1: t = op; break;
                case 4: _.label++; return { value: op[1], done: false };
                case 5: _.label++; y = op[1]; op = [0]; continue;
                case 7: op = _.ops.pop(); _.trys.pop(); continue;
                default:
                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                    if (t[2]) _.ops.pop();
                    _.trys.pop(); continue;
            }
            op = body.call(thisArg, _);
        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
    }
};
var List = PSPDFKit.Immutable.List;
var Rect = PSPDFKit.Geometry.Rect;
var SignatureFormField = PSPDFKit.FormFields.SignatureFormField;
var _a = PSPDFKit.ElectronicSignatureCreationMode, DRAW = _a.DRAW, TYPE = _a.TYPE;
var DISABLED = PSPDFKit.AutoSaveMode.DISABLED;
var App = /** @class */ (function () {
    function App() {
    }
    // This function will be called in the ShowEnvelope.razor page
    // and will trigger loading of the Editor Interface
    App.loadPDFFromUrl = function (container, envelopeKey) {
        return __awaiter(this, void 0, void 0, function () {
            var envelopeObject, arrayBuffer, e_1, _a, annotations, createdAnnotations;
            return __generator(this, function (_b) {
                switch (_b.label) {
                    case 0:
                        App.UI = new UI();
                        App.Network = new Network();
                        App.Annotation = new Annotation();
                        console.debug("Loading PSPDFKit..");
                        return [4 /*yield*/, App.Network.loadData(envelopeKey)];
                    case 1:
                        envelopeObject = _b.sent();
                        App.envelopeKey = envelopeKey;
                        App.currentDocument = envelopeObject.envelope.documents[0];
                        _b.label = 2;
                    case 2:
                        _b.trys.push([2, 4, , 5]);
                        return [4 /*yield*/, App.Network.loadDocument(envelopeKey, App.currentDocument.id)];
                    case 3:
                        arrayBuffer = _b.sent();
                        return [3 /*break*/, 5];
                    case 4:
                        e_1 = _b.sent();
                        console.error(e_1);
                        return [3 /*break*/, 5];
                    case 5:
                        _a = App;
                        return [4 /*yield*/, App.UI.loadPSPDFKit(arrayBuffer, container)];
                    case 6:
                        _a.Instance = _b.sent();
                        App.UI.configurePSPDFKit(this.Instance, App.handleClick);
                        console.debug(envelopeObject.envelope);
                        console.debug("PSPDFKit configured!");
                        annotations = [];
                        App.currentDocument.elements.forEach(function (element) {
                            console.log("Creating annotation for element", element.id);
                            var _a = App.Annotation.createAnnotationFromElement(element), annotation = _a[0], formField = _a[1];
                            annotations.push(annotation);
                            annotations.push(formField);
                        });
                        return [4 /*yield*/, App.Instance.create(annotations)];
                    case 7:
                        createdAnnotations = _b.sent();
                        console.debug(createdAnnotations);
                        return [2 /*return*/];
                }
            });
        });
    };
    App.handleClick = function (eventType) {
        return __awaiter(this, void 0, void 0, function () {
            var _a;
            return __generator(this, function (_b) {
                switch (_b.label) {
                    case 0:
                        _a = eventType;
                        switch (_a) {
                            case "RESET": return [3 /*break*/, 1];
                            case "FINISH": return [3 /*break*/, 3];
                        }
                        return [3 /*break*/, 5];
                    case 1: return [4 /*yield*/, App.handleReset(null)];
                    case 2:
                        _b.sent();
                        return [3 /*break*/, 5];
                    case 3: return [4 /*yield*/, App.handleFinish(null)];
                    case 4:
                        _b.sent();
                        return [3 /*break*/, 5];
                    case 5: return [2 /*return*/];
                }
            });
        });
    };
    App.handleFinish = function (event) {
        return __awaiter(this, void 0, void 0, function () {
            var json, buffer, result;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, App.Instance.save()];
                    case 1:
                        _a.sent();
                        return [4 /*yield*/, App.Instance.exportInstantJSON()];
                    case 2:
                        json = _a.sent();
                        console.log(json);
                        return [4 /*yield*/, App.Instance.exportPDF({ flatten: true })];
                    case 3:
                        buffer = _a.sent();
                        return [4 /*yield*/, App.Network.postDocument(App.envelopeKey, App.currentDocument.id, buffer)];
                    case 4:
                        result = _a.sent();
                        console.log(result);
                        return [2 /*return*/];
                }
            });
        });
    };
    App.handleReset = function (event) {
        return __awaiter(this, void 0, void 0, function () {
            var result;
            return __generator(this, function (_a) {
                if (confirm("Wollen Sie das Dokument und alle erstellten Signaturen zurücksetzen?")) {
                    result = App.Annotation.deleteAnnotations(App.Instance);
                }
                return [2 /*return*/];
            });
        });
    };
    App.downloadDocument = function () {
        return __awaiter(this, void 0, void 0, function () {
            function downloadPdf(blob) {
                var a = document.createElement("a");
                a.href = blob;
                a.style.display = "none";
                a.download = "download.pdf";
                a.setAttribute("download", "download.pdf");
                document.body.appendChild(a);
                a.click();
                document.body.removeChild(a);
            }
            var buffer, supportsDownloadAttribute, blob, reader_1, objectUrl;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, App.Instance.exportPDF({ flatten: true })];
                    case 1:
                        buffer = _a.sent();
                        supportsDownloadAttribute = HTMLAnchorElement.prototype.hasOwnProperty("download");
                        blob = new Blob([buffer], { type: "application/pdf" });
                        if (!supportsDownloadAttribute) {
                            reader_1 = new FileReader();
                            reader_1.onloadend = function () {
                                var dataUrl = reader_1.result;
                                downloadPdf(dataUrl);
                            };
                            reader_1.readAsDataURL(blob);
                        }
                        else {
                            objectUrl = window.URL.createObjectURL(blob);
                            downloadPdf(objectUrl);
                            window.URL.revokeObjectURL(objectUrl);
                        }
                        return [2 /*return*/];
                }
            });
        });
    };
    return App;
}());
export { App };
var Annotation = /** @class */ (function () {
    function Annotation() {
    }
    Annotation.prototype.createAnnotationFromElement = function (element) {
        var id = PSPDFKit.generateInstantId();
        var width = this.inchToPoint(element.width);
        var height = this.inchToPoint(element.height);
        var top = this.inchToPoint(element.top) - (height / 2);
        var left = this.inchToPoint(element.left) - (width / 2);
        var page = element.page - 1;
        var annotation = this.createSignatureAnnotation(id, width, height, top, left, page);
        console.log(annotation);
        var formField = new SignatureFormField({
            name: id,
            annotationIds: List([annotation.id])
        });
        console.log(formField);
        return [annotation, formField];
    };
    Annotation.prototype.deleteAnnotations = function (instance) {
        return __awaiter(this, void 0, void 0, function () {
            var pageAnnotations;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, Promise.all(Array.from({ length: instance.totalPageCount }).map(function (_, pageIndex) {
                            return instance.getAnnotations(pageIndex);
                        }))];
                    case 1:
                        pageAnnotations = (_a.sent()).flatMap(function (annotations) {
                            return annotations.reduce(function (acc, annotation) { return acc.concat(annotation); }, []);
                        }).filter(function (annotation) { return !!annotation.isSignature; });
                        return [4 /*yield*/, instance.delete(pageAnnotations)];
                    case 2: 
                    //deleting all Annotations
                    return [2 /*return*/, _a.sent()];
                }
            });
        });
    };
    Annotation.prototype.createSignatureAnnotation = function (id, width, height, top, left, pageIndex) {
        var annotation = new PSPDFKit.Annotations.WidgetAnnotation({
            id: id,
            pageIndex: pageIndex,
            formFieldName: id,
            boundingBox: new Rect({ width: width, height: height, top: top, left: left })
        });
        return annotation;
    };
    Annotation.prototype.inchToPoint = function (inch) {
        return inch * 72;
    };
    return Annotation;
}());
var Network = /** @class */ (function () {
    function Network() {
    }
    // Makes a call to the supplied url and fetches the binary response as an array buffer
    Network.prototype.loadDocument = function (envelopeKey, documentId) {
        return fetch("/api/file/".concat(envelopeKey, "?id=").concat(documentId), { credentials: "include" })
            .then(function (res) { return res.arrayBuffer(); });
    };
    // Makes a call to the supplied url and fetches the json response as an object
    Network.prototype.loadData = function (envelopeKey) {
        return fetch("/api/envelope/".concat(envelopeKey), { credentials: "include" })
            .then(function (res) { return res.json(); });
    };
    Network.prototype.postDocument = function (envelopeKey, documentId, buffer) {
        return fetch("/api/upload/".concat(envelopeKey, "/").concat(documentId), { credentials: "include", method: "POST", body: buffer })
            .then(function (res) { return res.json(); });
    };
    return Network;
}());
var UI = /** @class */ (function () {
    function UI() {
        this.allowedToolbarItems = [
            "sidebar-thumbnails",
            "sidebar-document-ouline",
            "sidebar-bookmarks",
            "pager",
            "pan",
            "zoom-out",
            "zoom-in",
            "zoom-mode",
            "spacer",
            "search"
        ];
        this.getCustomItems = function (callback) {
            var customItems = [
                {
                    type: "custom",
                    id: "button-reset",
                    title: "Zurücksetzen",
                    onPress: function () {
                        callback("RESET");
                    },
                    icon: "<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"20\" height=\"20\" fill=\"currentColor\" class=\"bi bi-arrow-counterclockwise\" viewBox=\"0 0 16 16\">\n                      <path fill-rule=\"evenodd\" d=\"M8 3a5 5 0 1 1-4.546 2.914.5.5 0 0 0-.908-.417A6 6 0 1 0 8 2v1z\"/>\n                      <path d=\"M8 4.466V.534a.25.25 0 0 0-.41-.192L5.23 2.308a.25.25 0 0 0 0 .384l2.36 1.966A.25.25 0 0 0 8 4.466z\"/>\n                    </svg>"
                },
                {
                    type: "custom",
                    id: "button-finish",
                    title: "Abschließen",
                    onPress: function () {
                        callback("FINISH");
                    },
                    icon: "<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"20\" height=\"20\" fill=\"currentColor\" class=\"bi bi-check2-circle\" viewBox=\"0 0 16 16\">\n                        <path d=\"M2.5 8a5.5 5.5 0 0 1 8.25-4.764.5.5 0 0 0 .5-.866A6.5 6.5 0 1 0 14.5 8a.5.5 0 0 0-1 0 5.5 5.5 0 1 1-11 0z\"/>\n                        <path d=\"M15.354 3.354a.5.5 0 0 0-.708-.708L8 9.293 5.354 6.646a.5.5 0 1 0-.708.708l3 3a.5.5 0 0 0 .708 0l7-7z\" />\n                      </svg>"
                }
            ];
            return customItems;
        };
    }
    // Load the PSPDFKit UI by setting a target element as the container to render in
    // and a arraybuffer which represents the document that should be displayed.
    UI.prototype.loadPSPDFKit = function (arrayBuffer, container) {
        return PSPDFKit.load({
            container: container,
            document: arrayBuffer,
            autoSaveMode: DISABLED,
            annotationPresets: this.getPresets(),
            electronicSignatures: {
                creationModes: [DRAW, TYPE]
            },
            isEditableAnnotation: function (annotation) {
                // Check if the annotation is a signature
                // This will allow new signatures, but not allow edits.
                return !annotation.isSignature;
            }
        });
    };
    UI.prototype.configurePSPDFKit = function (instance, handler) {
        var _this = this;
        instance.addEventListener("annotations.load", function (loadedAnnotations) {
            console.log("annotations loaded", loadedAnnotations.toJS());
        });
        instance.addEventListener("annotations.change", function () {
            console.log("annotations changed");
        });
        instance.addEventListener("annotations.create", function (createdAnnotations) { return __awaiter(_this, void 0, void 0, function () {
            return __generator(this, function (_a) {
                console.log("annotations created");
                return [2 /*return*/];
            });
        }); });
        var toolbarItems = this.getToolbarItems(instance, handler);
        instance.setToolbarItems(toolbarItems);
    };
    UI.prototype.getToolbarItems = function (instance, handler) {
        var customItems = this.getCustomItems(handler);
        var defaultItems = this.getDefaultItems(instance.toolbarItems);
        return defaultItems.concat(customItems);
    };
    UI.prototype.getDefaultItems = function (items) {
        var _this = this;
        return items.filter(function (item) { return _this.allowedToolbarItems.includes(item.type); });
    };
    UI.prototype.getPresets = function () {
        var annotationPresets = PSPDFKit.defaultAnnotationPresets;
        annotationPresets.ink = {
            lineWidth: 10
        };
        annotationPresets.widget = {
            readOnly: true
        };
        return annotationPresets;
    };
    return UI;
}());
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