document.getElementById("getAssignment").addEventListener("click", function () {
  dateInput = document.getElementById("calendar").value;

  if (!dateInput) {
    dateInput = getToday();
  }

  const url = `/api/getAssignment?date=${dateInput}`;

  fetch(url)
    .then((response) => {
      if (!response.ok) {
        throw new Error("网络响应失败");
      }
      return response.json();
    })
    .then((data) => {
      const responseDiv = document.getElementById("response");
      responseDiv.innerHTML = ""; // 清除旧内容

      const table = document.createElement("table");

      data.forEach((subArray) => {
        const row = document.createElement("tr");

        subArray.forEach((item) => {
          const cell = document.createElement("td");
          cell.textContent = item.Name || item.ID;

          // 优先判断 Access 条件
          if (item.Access <= 3) {
            cell.classList.add("cell_Moderator");
          } else if (item.Note === 1) {
            cell.classList.add("cell_SwitchOrRepay");
          } else if (item.Note === 2) {
            cell.classList.add("cell_Volunteering");
          }

          row.appendChild(cell);
        });

        table.appendChild(row);
      });
      const title = `<i><h5 align=center >${dateInput}网维值班表</h5></i>`;
      const titleContainer = document.createElement("div");
      titleContainer.innerHTML = title;
      responseDiv.appendChild(titleContainer);
      // 插入表格
      responseDiv.appendChild(table);

      // 添加图例说明
      const legendHTML = `
                <i class="table_notes"><span class="ZoneHead"></span>片区负责人<br></i>
                <i class="table_notes"><span class="Moderator"></span>管理层<br></i>
                <i class="table_notes"><span class="SwitchOrRepay"></span>换班/补班<br></i>
                <i class="table_notes"><span class="Volunteering"></span>蹭班<br></i>
            `;
      const legendContainer = document.createElement("div");
      legendContainer.innerHTML = legendHTML;
      responseDiv.appendChild(legendContainer);
    })
    .catch((error) => {
      console.error("请求失败:", error);
      document.getElementById("response").innerHTML = "获取任务失败，请重试。";
    });
});

function getToday() {
  const today = new Date();

  const year = today.getFullYear();
  const month = String(today.getMonth() + 1).padStart(2, "0"); // 月份从0开始，需要+1
  const day = String(today.getDate()).padStart(2, "0");

  return `${year}-${month}-${day}`;
}