1 files changed, 47 insertions, 0 deletions
diff --git a/src/scripts/functionality/mutation-application.ts b/src/scripts/functionality/mutation-application.ts
new file mode 100644
index 0000000..3283089
--- /dev/null
+++ b/src/scripts/functionality/mutation-application.ts
@@ -0,0 +1,47 @@
+import { PDFDocument } from "pdf-lib";
+import { observeDOM } from "@/shared/observe-dom";
+
+const sanghaFacilitationCentreBannerUrl = chrome.runtime.getURL("/assets/sangha-facilitation-centre-banner.jpg");
+
+document.addEventListener("DOMContentLoaded", () => {
+	observeDOM(() => {
+		const formElement = document.querySelector("#form_MutationApplication > div > div:nth-child(14) > div.col-sm-2.btreset > form");
+		const submitButtonElement = document.getElementById("btnDeclareForm");
+		if (formElement && submitButtonElement) {
+			formElement.removeAttribute("action");
+			submitButtonElement.addEventListener("click", e => {
+				e.preventDefault();
+
+				(async () => {
+					const pdfDoc = await PDFDocument.load(await fetch("/BanglarBhumi/MutationDeclarationForm.action", {
+						method: "post",
+						credentials: "same-origin",
+						headers: {
+							"Content-Type": "application/x-www-form-urlencoded"
+						},
+						body: "hdnAppNo="
+					}).then(res => res.arrayBuffer()));
+					const pages = pdfDoc.getPages();
+					const lastPage = pages[pages.length - 1];
+					const { width, height } = lastPage.getSize();
+					const bannerImage = await pdfDoc.embedJpg(await fetch(sanghaFacilitationCentreBannerUrl).then(res => res.arrayBuffer()));
+					lastPage.drawImage(bannerImage, {
+						x: 0,
+						y: 0,
+						width: width,
+						height: width * (bannerImage.height / bannerImage.width),
+					});
+
+					const link = document.createElement("a");
+					link.href = window.URL.createObjectURL(new Blob([new Uint8Array(await pdfDoc.save())], {type: "application/pdf"}));
+					link.download = "Declaration.pdf";
+					link.click();
+				})();
+			});
+
+			return true;
+		} else {
+			return false;
+		}
+	});
+});