main.logic

let title = "";
let lane = "Design";
let filter = "all";
let rows = [];
let shown = [];
let activeCount = 0;
let doneCount = 0;
let totalCount = 0;
let message = "Your sample workspace is ready. Try adding a task.";
let error = "";

function refresh() {
  rows = db.query("tasks");
  activeCount = 0;
  doneCount = 0;
  shown = [];
  for (let i = 0; i < rows.length; i = i + 1) {
    let record = rows[i];
    if (record.data.done) doneCount = doneCount + 1;
    else activeCount = activeCount + 1;
    if (filter === "all" || (filter === "active" && !record.data.done) || (filter === "done" && record.data.done)) {
      shown.push(record);
    }
  }
  totalCount = rows.length;
}

function addTask() {
  const clean = String(title || "").trim();
  if (!clean) {
    error = "Give your task a name first.";
    return;
  }
  if (clean.length > 100) {
    error = "Keep the task name under 100 characters.";
    return;
  }
  db.create("tasks", { title: clean, lane: lane, done: false });
  title = "";
  error = "";
  filter = "all";
  refresh();
  message = "Task saved to the collection. Your dashboard is up to date.";
}

function toggleTask(id) {
  for (let i = 0; i < rows.length; i = i + 1) {
    if (rows[i].id === id) {
      const next = !rows[i].data.done;
      db.update(id, { done: next });
      message = next ? "Task completed. Your totals have updated." : "Task reopened. Back on your list.";
      break;
    }
  }
  refresh();
}

function showTasks(value) {
  filter = value;
  refresh();
}

function _init() {
  refresh();
}