//reviewDetails.js
import {getReviewsFromStorage, saveReviewsToStorage} from "./localStorage.js";

// Run the init() function when the page has loaded
window.addEventListener("DOMContentLoaded", init);

function init(){
	setupDelete();
	setupUpdate();
}

function setupDelete(){
	let deleteBtn = document.getElementById("delete-btn");
	let currID = JSON.parse(sessionStorage.getItem("currID"));
	let activeIDS = JSON.parse(localStorage.getItem("activeIDS"));
	deleteBtn.addEventListener("click", function(){
		if(window.confirm("Are you sure you want to delete this entry?")){
			for (let i in activeIDS) {
				if (activeIDS[i] == currID) {
					activeIDS.splice(i,1);
					localStorage.setItem('activeIDS', JSON.stringify(activeIDS));
					sessionStorage.removeItem('currID');
					localStorage.removeItem(`review${currID}`);
					window.location.assign("./index.html");
					break;
				}
			}
		}
	});
}

function setupUpdate(){
	let updateBtn = document.getElementById("update-btn");
	let currID = JSON.parse(sessionStorage.getItem("currID"));
	let currReview = JSON.parse(localStorage.getItem(`review${currID}`));
	let form = document.getElementById("update-food-entry");
	updateBtn.addEventListener("click", function(){
		//update function
		if(currReview){
			form.style.display = "block";
			let tagContainer = document.getElementById("tag-container-form");

			//Set value of each input element to current's values
			document.getElementById("mealImg").defaultValue = currReview["mealImg"];
			document.getElementById("imgAlt").defaultValue = currReview["imgAlt"];
			document.getElementById("mealName").defaultValue = currReview["mealName"];
			document.getElementById("comments").textContent = currReview["comments"];
			document.getElementById("s" + `${currReview["rating"]}`).checked = true;
			document.getElementById("restaurant").defaultValue = currReview["restaurant"];

			if(currReview["tags"]){
				while (tagContainer.firstChild) {
					tagContainer.removeChild(tagContainer.firstChild);
				}
				for (let i = 0; i < currReview["tags"].length; i++) {
					let newTag = document.createElement("label");
					newTag.setAttribute("class","tag");
					newTag.innerHTML = currReview["tags"][i];
					newTag.addEventListener("click",()=> {
						tagContainer.removeChild(newTag);
					});
					tagContainer.append(newTag);
				}
			}
			//Take formdata values as newData when submit
			form.addEventListener("submit", function(){
				/*
                *  User submits the form for their review.
                *  We create reviewCard and put in storage
                */
				let formData = new FormData(form);
				let newData = {};
				for (let [key, value] of formData) {
					console.log(`${key}`);
					console.log(`${value}`);
					if (`${key}` !== "tag-form") {
						newData[`${key}`] = `${value}`;
					}
				}
				newData["tags"] = [];
            
				let tags = document.querySelectorAll(".tag");
				for(let i = 0; i < tags.length; i ++) {
					newData["tags"].push(tags[i].innerHTML);
					tagContainer.removeChild(tags[i]);
				}

				newData["reviewID"] = currID;


				localStorage.setItem("review"+currID, JSON.stringify(newData));

				form.style.display = "none";

			});

			let tagAddBtn = document.getElementById("tag-add-btn");
			tagAddBtn.addEventListener("click", ()=> {
				let tagField = document.getElementById("tag-form");
				if (tagField.value.length > 0) {
					let tagLabel = document.createElement("label");
					tagLabel.innerHTML = tagField.value;
					tagLabel.setAttribute("class","tag");
					tagLabel.addEventListener("click",()=> {
						tagContainer.removeChild(tagLabel);
					});
                
					tagContainer.append(tagLabel);
					tagField.value = "";
				}
			});
		}
	});
}