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const fs = document.querySelector("fieldset");
const form = document.querySelector("form");
let init = true;
const popup = document.querySelector(".popup");
const popupImage = document.querySelector("#popup-img");
const saveBtn = document.querySelector("#save-btn");
const slider = document.querySelector("#rotation-slider");
const controlButtons = document.querySelectorAll(".control-btns button");
let cropper = undefined;
const crop = (ratio, imageID) => {
popupImage.dataset.id = imageID;
return new Cropper(popupImage, { aspectRatio: ratio.x / ratio.y });
};
NodeList.prototype.on = function (listener, event) {
for (const node of this) {
node.addEventListener(listener, event);
}
};
function updateHeading(user) {
document.getElementById("username").textContent = `Steckbrief: ${user.name} ${user.middlename || ""} ${
user.surname
}`;
}
function appendQuestions(question) {
const div = document.createElement("div");
const label = document.createElement("label");
label.for = "id_" + question.id;
label.textContent = question.question;
div.appendChild(label);
if (question.type === "file" && question.answer) {
const img = document.createElement("img");
img.src = "uploads/" + question.answer;
img.alt = "Image";
div.appendChild(img); // TODO: Max size
}
const field = document.createElement("input");
field.id = "id_" + question.id;
field.name = question.id;
if (question.answer !== undefined && question.type !== "file") init = false;
field.value = question.answer || "";
field.placeholder = question.question;
field.type = question.type;
field.maxLength = 100;
if (question.type === "file") {
const imageID = question.id;
field.accept = "image/*";
field.addEventListener("input", (e) => {
const file = e.target.files[0];
popupImage.file = file;
const reader = new FileReader();
reader.addEventListener("load", (e) => {
popupImage.src = e.target.result;
popup.style.display = "block";
cropper = crop(question.ratio, imageID);
});
reader.readAsDataURL(file);
});
}
div.appendChild(field);
fs.insertBefore(div, fs.querySelector("button"));
}
form.addEventListener("submit", async (evt) => {
evt.preventDefault();
const method = init ? "POST" : "PUT";
const inputs = form.querySelectorAll("input");
const rawBody = {};
for (const input of inputs) {
if (input.type !== "file") rawBody[input.name] = input.value;
}
const body = JSON.stringify(rawBody);
const resp = await fetch("api/answer", { method, body, headers: { "Content-Type": "application/json" } });
const res = await resp.json();
if (!res.success) {
alert("An error occurred");
} else {
init = false;
alert("Okidoki, danke!");
}
});
saveBtn.addEventListener("click", (e) => {
cropper.getCroppedCanvas().toBlob(async (blob) => {
const url = "api/answerImage";
const method = "POST";
const body = new FormData();
const imageID = popupImage.dataset.id;
body.append(imageID, blob);
const resp = await fetch(url, { method, body });
const res = await resp.json();
if (!res.success) {
alert("An error occurred");
} else {
popup.style.display = "none";
cropper.destroy();
document.querySelectorAll("img").forEach((elem) => {
if (elem.src.startsWith("http")) elem.src += "#" + new Date().getTime();
});
}
}, "image/jpeg");
});
slider.addEventListener("input", (e) => {
cropper.rotateTo(-e.target.value);
});
controlButtons.on("click", (e) => {
if (e.target.dataset.rot === "true") cropper.rotate(+e.target.dataset.value);
else cropper.rotateTo(+e.target.dataset.value);
});
fetch("/auth/api/self")
.then((response) => response.json())
.then(updateHeading)
.catch(console.error);
fetch("api/questions")
.then((response) => response.json())
.then((response) => response.forEach(appendQuestions))
.catch(console.error);
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