{{ template "base" . }}

{{ define "content" }}

  
<form action="javascript:void(0);">
    <div class="container text-center">
        <div class="row">
            <div class="col">
                <input type="text" class="form-control" id="new-todo-text" placeholder="TODO text">
            </div>
            <div class="col">
                <button id="new-todo-submit" class="btn btn-primary">Add</button>
                <button class="btn btn-secondary" id="show-done">Show Done</button>
            </div>
        </div>
    </div>
</form>


<div class="container text-center" style="margin-top: 4ch;">
    <table id="todos" class="table table-hover" style="word-wrap: break-word;"></table>
</div>


<script>
async function displayTodos(showDone) {
    let username = getUsername();
    let password = getUserPassword();

    // Fetch and display TODOs
    response = await getTodos(username, password);
    let todosJson = await response.json();    
    let todosDisplayed = [];

    if (response.ok && todosJson != null) {
        let todosDiv = document.getElementById("todos");
        // Clear what we've had before
        todosDiv.innerHTML = "";

        todosJson.forEach((item) => {
            if (showDone === true && item.isDone == true) {
                // An already done Todo

                let todoDeleteBtnID = "btn-delete-" + String(item.id);

                // Display
                let timeCreated = new Date(item.timeCreatedUnix * 1000);
                let timeDone = new Date(item.completionTimeUnix * 1000);
                todosDiv.innerHTML += "<tr><td>" +  item.text + "</td>" +
                "<td>" + " " + timeCreated.getDate() + "/" + (timeCreated.getMonth() + 1) + "/" + timeCreated.getFullYear() + " | " +
                timeDone.getDate() + "/" + (timeDone.getMonth() + 1) + "/" + timeDone.getFullYear() + "</td>" +
                "<td>" + "<button class='btn btn-danger' id='" +
                todoDeleteBtnID + "'><img src='/static/images/trash3-fill.svg'></button></td></tr>";

             

                todosDisplayed.push({item: item, buttonDel: todoDeleteBtnID});


            } else if (showDone === false && item.isDone == false) {
                // A yet to be done Todo

                let todoCompleteBtnID = "btn-complete-" + String(item.id);
                let todoDeleteBtnID = "btn-delete-" + String(item.id);
                let todoEditBtnID = "btn-edit-" + String(item.id);

                // Display
                let timeCreated = new Date(item.timeCreatedUnix * 1000);
                todosDiv.innerHTML += "<tr><td>" +  item.text + "</td>" +
                    "<td>" + " " + timeCreated.getDate() + "/" + (timeCreated.getMonth() + 1) + "/" + timeCreated.getFullYear() + "</td>" +
                    "<td><button class='btn btn-success' id='" + todoCompleteBtnID + "'>" + 
                    "<img src='/static/images/check.svg'></button><button class='btn btn-danger' id='" +
                    todoDeleteBtnID + "'><img src='/static/images/trash3-fill.svg'></button></td></tr>";
                
                todosDisplayed.push({item: item, buttonDel: todoDeleteBtnID, buttonComplete: todoCompleteBtnID});

            }
        });
    }


    // Loop over all buttons (doesn't matter which ones because the amounts are equal)
    for (let i = 0; i < todosDisplayed.length; i++) {
        let elem = todosDisplayed[i];

        if (showDone === false && elem.item.isDone === false) {
            // Done button
            document.getElementById(elem.buttonComplete).addEventListener("click", async (event) => {
                // Mark as done
                elem.item.isDone = true;
                // Set completion time
                elem.item.completionTimeUnix = Math.floor(Date.now() / 1000);

                // Update
                response = await updateTodo(username, password, elem.item.id, elem.item);
                if (response.ok) {
                    location.reload();
                }
            });

            // Delete button
            document.getElementById(elem.buttonDel).addEventListener("click", async (event) => {
                response = await deleteTodo(username, password, elem.item.id);
                if (response.ok) {
                    location.reload();
                }
            });
        } else {
            // Delete button
            document.getElementById(elem.buttonDel).addEventListener("click", async (event) => {
                response = await deleteTodo(username, password, elem.item.id);
                if (response.ok) {
                    location.reload();
                }
            });
        }
    }
}


document.addEventListener('DOMContentLoaded', async function() {
    let username = getUsername();
    let password = getUserPassword();

    document.getElementById("new-todo-text").focus();


    let showDoneButton = document.getElementById("show-done");
    showDoneButton.addEventListener("click", (event) => {
        displayTodos(true); // Re-display without reloading

        // Rename the button
        showDoneButton.innerText = "Show To Do";
        showDoneButton.className = "btn btn-success";
        
        // Make it "reset to default"
        showDoneButton.addEventListener("click", (event) => {
            location.reload();
        });
    });


    // "Add" button
    document.getElementById("new-todo-submit").addEventListener("click", async (event) => {
        let newTodoTextInput =  document.getElementById("new-todo-text");
        let newTodoText = newTodoTextInput.value;
        if (newTodoText.length < 1) {
            newTodoTextInput.setCustomValidity("At least one character is needed!");
            return;
        } else {
            newTodoTextInput.setCustomValidity("");
        }
        newTodoTextInput.value = "";

        // Make a request
        let response = await postNewTodo(username, password, {text: newTodoText});
        if (response.ok) {
            location.reload();
        }
    });


    // Fetch and display TODOs
    await displayTodos(false);
}, false)
</script>

{{ end }}