org_web/assets/scripts/competency-status-board.js

const STATES = [
  { key: "completed",    label: "Completed" },
  { key: "manager_review",  label: "Manager Review" },
  { key: "in_progress",   label: "In Progress" },
  { key: "not_started",    label: "Not Started" },
  { key: "comments",    label: "Comments" }
];

function isMobile() {
  return window.matchMedia("(max-width: 600px)").matches;
}

function populateMobileControls(items) {
  if (!isMobile()) return;

  const panel = document.getElementById("mobile-move-panel");
  const itemSelect = document.getElementById("move-item");
  const fromSelect = document.getElementById("move-from");
  const toSelect = document.getElementById("move-to");

  itemSelect.innerHTML = "<option value=''>Select competency</option>";
  fromSelect.innerHTML = "<option value=''>From</option>";
  toSelect.innerHTML   = "<option value=''>To</option>";

  items.forEach(item => {
    const opt = document.createElement("option");
    opt.value = item.id;
    opt.textContent = item.title;
    opt.dataset.state = item.state;
    itemSelect.appendChild(opt);
  });

  STATES.forEach(s => {
    fromSelect.appendChild(new Option(s.label, s.key));
    toSelect.appendChild(new Option(s.label, s.key));
  });

  // Auto-fill "from" when item selected
  itemSelect.onchange = () => {
    const selected = itemSelect.selectedOptions[0];
    if (selected?.dataset.state) {
      fromSelect.value = selected.dataset.state;
    }
  };
}

document.getElementById("move-confirm").addEventListener("click", async () => {
  const itemId = document.getElementById("move-item").value;
  const from   = document.getElementById("move-from").value;
  const to     = document.getElementById("move-to").value;

  if (!itemId || !to) {
    alert("Select an item and target column");
    return;
  }

  if (from === to) {
    alert("Item is already in that column");
    return;
  }

  const res = await fetch(`/api/competencies/items/${itemId}/state`, {
    method: "POST",
    headers: { "Content-Type": "application/json" },
    body: JSON.stringify({ state: to })
  });

  if (res.ok) {
    loadBoard();
  } else {
    alert("Failed to move competency");
  }
});



let draggedItemId = null;

function countByState(items) {
  return items.reduce((acc, item) => {
    acc[item.state] = (acc[item.state] || 0) + 1;
    return acc;
  }, {});
}

function createCard(item) {
  const card = document.createElement("div");
  card.className = "kanban-card";
  card.draggable = true;
  card.dataset.id = item.id;
  card.textContent = item.title;

  card.addEventListener("dragstart", () => {
    draggedItemId = item.id;
    card.classList.add("dragging");
  });

  card.addEventListener("dragend", () => {
    draggedItemId = null;
    card.classList.remove("dragging");
  });

  return card;
}

function createColumn(state, items, counts) {
  const col = document.createElement("div");
  col.className = "kanban-column";
  col.dataset.state = state.key;

  const header = document.createElement("h3");
  header.innerHTML = `
  <span class="kanban-title">${state.label}</span>
  <span class="kanban-count">${counts[state.key] || 0}</span>
`;
  
  const list = document.createElement("div");
  list.className = "kanban-list";

  list.addEventListener("dragover", e => e.preventDefault());

  list.addEventListener("drop", async () => {
    if (!draggedItemId) return;

    const res = await fetch(`/api/competencies/items/${draggedItemId}/state`, {
      method: "POST",
      headers: { "Content-Type": "application/json" },
      body: JSON.stringify({ state: state.key })
    });

    if (res.ok) {
      loadBoard(); // simple & safe re-render
    } else {
      alert("Failed to update state");
    }
  });

  items
    .filter(i => i.state === state.key)
    .forEach(i => list.appendChild(createCard(i)));

  col.appendChild(header);
  col.appendChild(list);

  return col;
}

function renderBoard(items) {
  const board = document.getElementById("kanban-board");
  if (!board) return;
  board.innerHTML = "";

  const counts = countByState(items);

  STATES.forEach(state => {
    board.appendChild(createColumn(state, items, counts));
  });
}


async function loadBoard() {
  const res = await fetch("/api/competencies/items");
  const items = await res.json();
  renderBoard(items);
  populateMobileControls(items);
}


loadBoard();