let myChart; // Declare a global variable to hold the chart instance

document.addEventListener("DOMContentLoaded", () => {
  // Objects / variables
  const video_selector = document.getElementById("video_selector");
  const urlParams = new URLSearchParams(window.location.search);
  const projectId = urlParams.get("id");

  // Initialisation
  generateViewMetric(projectId);

  PopulateSelect(video_selector, projectId);

  video_selector.addEventListener("change", () => {
    generateViewMetric(projectId);
  });

  // button

  document.getElementById('show-form-button').addEventListener('click', function() {
    document.getElementById('form-container').style.display = 'flex';
});

document.getElementById('close-form-button').addEventListener('click', function() {
    document.getElementById('form-container').style.display = 'none';
});
document.getElementById('increment-button').addEventListener('click', function() {
  let durationInput = document.getElementById('duration');
  durationInput.value = parseInt(durationInput.value) + 1;
});

document.getElementById('decrement-button').addEventListener('click', function() {
  let durationInput = document.getElementById('duration');
  if (parseInt(durationInput.value) > 0) {
      durationInput.value = parseInt(durationInput.value) - 1;
  }
});

document.getElementById('my-form').addEventListener('submit', function(event) {
  event.preventDefault();
  alert('Nouveau Projet enregistré :\nNom : ' + document.getElementById('name').value + '\nDurée : ' + document.getElementById('duration').value + ' secondes');
});

  document.getElementById("projets").addEventListener("click", () => {
    window.location.href = "../index.html";
    current_project = "";
  });

  global_project_list = JSON.parse(localStorage.getItem("project_list"));
  document.getElementById("name_project").innerHTML =
    global_project_list[projectId - 1].name;

  fetch("https://timelapse.kerboul.me/api/smile")
    .then((response) => response.blob())
    .then((blob) => {
      const url = URL.createObjectURL(blob);
      let tableBody = document.getElementById("imageSource");
      let row = document.createElement("tr");

      for (let i = 0; i < 1500; i++) {
        let imageTD = document.createElement("td");
        imageTD.innerHTML = `<img id="${i}" src="${url}" />`;
        row.appendChild(imageTD);

        if ((i + 1) % 3 === 0 && i !== 0) {
          tableBody.appendChild(row);
          row = document.createElement("tr"); // Create a new row
        }
      }

      // Append the last row if there are remaining images
      if (row.childNodes.length > 0) {
        tableBody.appendChild(row);
      }
    });

  // Add event listener for the toggle button
  document.getElementById("toggle-view").addEventListener("click", () => {
    const tableImage = document.getElementById("content1");
    if (tableImage.classList.contains("hiddenTable")) {
      tableImage.classList.remove("hiddenTable");
      tableImage.classList.add("full-view");
      document.getElementById("toggle-view").innerHTML = "See first images";
    } else {
      tableImage.classList.remove("full-view");
      tableImage.classList.add("hiddenTable");
      document.getElementById("toggle-view").innerHTML = "See all images";
    }
  });
});

async function generateViewMetric(projectId) {
  const ctx = document.getElementById("metric_viewer").getContext("2d");
  let Hygrometrie = [];
  let Temperature = [];
  let datesMeasurement = [];

  let measurements;
  let current_video_datas;

  // Wait for the video_selector to be populated
  await new Promise((resolve) => {
    const checkExist = setInterval(() => {
      if (document.getElementById("video_selector").options.length > 0) {
        clearInterval(checkExist);
        resolve();
      }
    }, 100); // check every 100ms
  });

  const videoId = document.getElementById("video_selector").value;

  measurements = await getDataMetrics(projectId);
  current_video_datas = await getDataVideoFromApi(videoId);

  let samples = convertStringToArray(current_video_datas[0]["measurement_ids"]);
  tempoMeasure = filterAndSortMeasurementsByIds(measurements,samples)
  tempoMeasure.forEach((measure) => {
    datesMeasurement.push(measure.timestamp)
    Temperature.push(measure.temperature)
    Hygrometrie.push(measure.humidity)
  });

  // Destroy the existing chart instance if it exists
  if (myChart) {
    myChart.destroy();
  }

  // Create a new chart instance
  myChart = new Chart(ctx, {
    type: "line",
    data: {
      labels: datesMeasurement,
      datasets: [
        {
          label: "Température (F°)",
          data: Temperature,
          fill: false,
          borderColor: "rgba(75, 192, 192, 1)",
          tension: 0.1,
          yAxisID: "y", // Use the default y-axis
        },
        {
          label: "Hygrometrie (%)",
          data: Hygrometrie,
          fill: false,
          borderColor: "rgba(153, 102, 255, 1)",
          tension: 0.1,
          yAxisID: "y1", // Use the second y-axis
        },
      ],
    },
    options: {
      scales: {
        y: {
          beginAtZero: true,
          position: "left",
        },
        y1: {
          beginAtZero: true,
          position: "right",
          grid: {
            drawOnChartArea: false, // Only want the grid lines for one axis to show up
          },
        },
      },
    },
  });
}