/* global GeoTIFF:false, plotty:false */
const { Pool, fromUrl } = GeoTIFF;

const imageWindow = [0, 0, 500, 500];
const tiffs = [
  'stripped.tiff',
  'tiled.tiff',
  'interleave.tiff',
  'tiledplanar.tiff',
  'float32.tiff',
  'uint32.tiff',
  'int32.tiff',
  'float64.tiff',
  'lzw.tiff',
  'tiledplanarlzw.tiff',
  'float64lzw.tiff',
  'lzw_predictor.tiff',
  'deflate.tiff',
  'deflate_predictor.tiff',
  'deflate_predictor_tiled.tiff',
  'lerc.tiff',
  'lerc_interleave.tiff',
  'lerc_deflate.tiff',
  'float32lerc.tiff',
  'float32lerc_interleave.tiff',
  'float32lerc_deflate.tiff',
  // "n_bit_tiled_10.tiff",
  // "n_bit_11.tiff",
  // "n_bit_12.tiff",
  // "n_bit_13.tiff",
  // "n_bit_14.tiff",
  // "n_bit_15.tiff",
  // "n_bit_interleave_10.tiff",
  // "n_bit_interleave_12.tiff",
  // "n_bit_interleave_14.tiff",
  // "n_bit_interleave_15.tiff",
  // "float_n_bit_16.tiff",
  // "float_n_bit_tiled_16.tiff",
  // "float_n_bit_interleave_16.tiff",
];

const rgbtiffs = [
  'stripped.tiff',
  'rgb.tiff',
  'BigTIFF.tif',
  'rgb_paletted.tiff',
  'cmyk.tif',
  'ycbcr.tif',
  'cielab.tif',
  '5ae862e00b093000130affda.tif',
  'jpeg.tiff',
  'jpeg_ycbcr.tiff',
];

const pool = new Pool();

const bandsSelect = document.getElementById('bands');
for (let i = 0; i < 15; ++i) {
  const option = document.createElement('option');
  option.value = i;
  option.text = i + 1;
  bandsSelect.appendChild(option);
}

async function render(image, sample, canvas, width, height) {
  try {
    const data = await image.readRasters({
      samples: [sample],
      window: imageWindow,
      fillValue: 0,
      pool,
    });
    const plot = new plotty.plot(canvas, data[0], width, height, [10, 65000], 'viridis', false); // eslint-disable-line new-cap
    plot.render();
  } catch (exc) {
    // pass
  }
}

async function renderRGB(image, canvas, width, height) {
  try {
    const rgb = await image.readRGB({
      window: imageWindow,
      pool,
    });

    const ctx = canvas.getContext('2d');
    const imageData = ctx.createImageData(width, height);
    const { data } = imageData;
    let o = 0;
    for (let i = 0; i < rgb.length; i += 3) {
      data[o] = rgb[i];
      data[o + 1] = rgb[i + 1];
      data[o + 2] = rgb[i + 2];
      data[o + 3] = 255;
      o += 4;
    }
    ctx.putImageData(imageData, 0, 0);
  } catch (exc) {
    // pass
  }
}

tiffs.forEach(async (filename) => {
  const div = document.createElement('div');
  div.style.float = 'left';
  const header = document.createElement('p');
  header.innerHTML = filename;

  const canvas = document.createElement('canvas');
  canvas.id = filename;
  canvas.width = imageWindow[2] - imageWindow[0];
  canvas.height = imageWindow[3] - imageWindow[1];

  div.appendChild(header);
  div.appendChild(canvas);

  document.getElementById('canvases').appendChild(div);

  const tiff = await fromUrl(`http://localhost:8090/test/data/${filename}`, {
    allowFullFile: true,
    cache: true,
  });
  const image = await tiff.getImage();

  await render(image, 0, canvas, canvas.width, canvas.height);

  bandsSelect.addEventListener('change', () => {
    render(image, parseInt(bandsSelect.options[bandsSelect.selectedIndex].value, 10), canvas, canvas.width, canvas.height);
  });
});

rgbtiffs.forEach(async (filename) => {
  const div = document.createElement('div');
  div.style.float = 'left';
  const header = document.createElement('p');
  header.innerHTML = filename;

  const canvas = document.createElement('canvas');
  canvas.id = filename;
  canvas.width = imageWindow[2] - imageWindow[0];
  canvas.height = imageWindow[3] - imageWindow[1];

  div.appendChild(header);
  div.appendChild(canvas);

  document.getElementById('canvases').appendChild(div);

  const tiff = await fromUrl(`http://localhost:8090/test/data/${filename}`, {
    allowFullFile: true,
    cache: true,
  });
  const image = await tiff.getImage();

  await renderRGB(image, canvas, canvas.width, canvas.height);
});

// tiffs.forEach(function (filename) {
//   const xhr = new XMLHttpRequest();
//   xhr.open('GET', 'data/' + filename, true);
//   xhr.responseType = 'arraybuffer';

//   const div = document.createElement("div");
//   div.style.float = "left";
//   const header = document.createElement("p");
//   header.innerHTML = filename;

//   const canvas = document.createElement("canvas");
//   canvas.id = filename;
//   canvas.width = 500;
//   canvas.height = 500;

//   div.appendChild(header);
//   div.appendChild(canvas);

//   document.getElementById("canvases").appendChild(div);

//   xhr.onload = function (e) {
//     console.time("readRasters " + filename);
//     fromArrayBuffer(this.response)
//       .then(parser => parser.getImage())
//       .then((image) => {
//         // console.log(image);
//         // console.log(image.getTiePoints());

//         // var imageWindow = null;
//         let width = image.getWidth();
//         let height = image.getHeight();
//         if (imageWindow) {
//           width = imageWindow[2] - imageWindow[0];
//           height = imageWindow[3] - imageWindow[1];
//         }

//         let plot;
//         bandsSelect.addEventListener("change", function (e) {
//           image.readRasters({ samples: [parseInt(bandsSelect.options[bandsSelect.selectedIndex].value)], poolSize: 8 })
//             .then(function (rasters) {
//               const canvas = document.getElementById(filename);
//               plot = new plotty.plot(canvas, rasters[0], width, height, [10, 65000], "viridis", false);
//               plot.render();
//             });
//         });
//         image.readRasters({
//           samples: [0],
//           window: imageWindow,
//           fillValue: 0,
//           pool,
//         })
//           .then(function (rasters) {
//             console.timeEnd("readRasters " + filename);
//             const canvas = document.getElementById(filename);
//             plot = new plotty.plot(canvas, rasters[0], width, height, [10, 65000], "viridis", false);
//             plot.render();
//           });
//       });
//   };
//   xhr.send();
// });

// rgbtiffs.forEach(function (filename) {
//   const xhr = new XMLHttpRequest();
//   xhr.open('GET', 'data/' + filename, true);
//   xhr.responseType = 'arraybuffer';

//   const div = document.createElement("div");
//   div.style.float = "left";
//   const header = document.createElement("p");
//   header.innerHTML = filename;

//   const canvas = document.createElement("canvas");
//   canvas.id = filename;
//   div.appendChild(header);
//   div.appendChild(canvas);
//   document.getElementById("canvases").appendChild(div);

//   xhr.onload = function (e) {
//     fromArrayBuffer(this.response)
//       .then(parser => parser.getImage())
//       .then((image) => {
//         console.time("readRGB " + filename);
//         image.readRGB({ pool }).then(function (raster) {
//           console.timeEnd("readRGB " + filename);
//           canvas.width = image.getWidth();
//           canvas.height = image.getHeight();
//           const ctx = canvas.getContext("2d");
//           const imageData = ctx.createImageData(image.getWidth(), image.getHeight());
//           const data = imageData.data;
//           let o = 0;
//           for (var i = 0; i < raster.length; i += 3) {
//             data[o] = raster[i];
//             data[o + 1] = raster[i + 1];
//             data[o + 2] = raster[i + 2];
//             data[o + 3] = 255;
//             o += 4;
//           }
//           ctx.putImageData(imageData, 0, 0);
//         });
//       });
//   };
//   xhr.send();
// });