var shoreline_annual = ee.FeatureCollection("projects/sat-io/open-datasets/DEA/COASTLINES/coastlines_v220_shorelines_annual");
var hotspot_zoom_1 = ee.FeatureCollection("projects/sat-io/open-datasets/DEA/COASTLINES/coastlines_v220_hotspots_zoom_1");
var hotspot_zoom_2 = ee.FeatureCollection("projects/sat-io/open-datasets/DEA/COASTLINES/coastlines_v220_hotspots_zoom_2");
var hotspot_zoom_3 = ee.FeatureCollection("projects/sat-io/open-datasets/DEA/COASTLINES/coastlines_v220_hotspots_zoom_3");
var rate_of_change = ee.FeatureCollection("projects/sat-io/open-datasets/DEA/COASTLINES/coastlines_v220_shorelines_annual");

Map.centerObject(shoreline_annual.first(),18)

// Get a color for a year
var yearColor = ee.Dictionary({
    '1988': '#4d4d7a',
    '1989': '#535a88',
    '1990': '#5a608d',
    '1991': '#616692',
    '1992': '#686c97',
    '1993': '#6f719c',
    '1994': '#7677a1',
    '1995': '#7d7ca6',
    '1996': '#8482ab',
    '1997': '#8b87b0',
    '1998': '#922db9',
    '1999': '#9922b3',
    '2000': '#a01db0',
    '2001': '#a717aa',
    '2002': '#af11a4',
    '2003': '#b70d9e',
    '2004': '#bf0898',
    '2005': '#c70292',
    '2006': '#ce027e',
    '2007': '#d5016a',
    '2008': '#dc0156',
    '2009': '#e40042',
    '2010': '#ec003e',
    '2011': '#f3003a',
    '2012': '#fa0036',
    '2013': '#ff0033',
    '2014': '#ff4733',
    '2015': '#ff6d33',
    '2016': '#ff9333',
    '2017': '#ffb933',
    '2018': '#ffd033',
    '2019': '#ffe54c',
    '2020': '#ffe54c',
    '2021': '#ffe54c',
    '2022': '#52b033',
    '2023': '#33a8ff' 
});


function addStyle(ft) {
  var color = yearColor.get(ft.get('year'));
  return ft.set('styleProperty', ee.Dictionary({'color': color}));
}

// Make a FeatureCollection out of years database
var pp = ee.FeatureCollection(shoreline_annual).map(addStyle);

function addLayer(year) {
  Map.addLayer(pp.filter(ee.Filter.eq('year', ee.Number.parse(year))).style({styleProperty: 'styleProperty', neighborhood: 50}), {}, year, true, 0.8);
}

// Apply `addLayer` to each record in years
yearColor.keys().getInfo().map(addLayer);

// Define a dictionary which will be used to make legend and visualize image on map
var dict = {
  "names": [
      "1988",
    "1989",
    "1990",
    "1991",
    "1992",
    "1993",
    "1994",
    "1995",
    "1996",
    "1997",
    "1998",
    "1999",
    "2000",
    "2001",
    "2002",
    "2003",
    "2004",
    "2005",
    "2006",
    "2007",
    "2008",
    "2009",
    "2010",
    "2011",
    "2012",
    "2013",
    "2014",
    "2015",
    "2016",
    "2017",
    "2018",
    "2019",
    "2020",
    "2021",
    "2022",
    "2023"
  ],
    "colors": [
    '#4d4d7a',
    '#535a88',
    '#5a608d',
    '#616692',
    '#686c97',
    '#6f719c',
    '#7677a1',
    '#7d7ca6',
    '#8482ab',
    '#8b87b0',
    '#922db9',
    '#9922b3',
    '#a01db0',
    '#a717aa',
    '#af11a4',
    '#b70d9e',
    '#bf0898',
    '#c70292',
    '#ce027e',
    '#d5016a',
    '#dc0156',
    '#e40042',
    '#ec003e',
    '#f3003a',
    '#fa0036',
    '#ff0033',
    '#ff4733',
    '#ff6d33',
    '#ff9333',
    '#ffb933',
    '#ffd033',
    '#ffe54c',
    '#ffe54c',
    '#ffe54c',
    '#52b033',
    '#33a8ff'
  ]};

var legend = ui.Panel({
  style: {
    position: 'middle-right',
    padding: '8px 15px'
  }
});

// Create and add the legend title.
var legendTitle = ui.Label({
  value: 'Shoreline Year',
  style: {
    fontWeight: 'bold',
    fontSize: '18px',
    margin: '0 0 4px 0',
    padding: '0'
  }
});
legend.add(legendTitle);

var loading = ui.Label('Loading legend...', {margin: '2px 0 4px 0'});
legend.add(loading);

  // Creates and styles 1 row of the legend.
  var makeRow = function(color, name) {
    // Create the label that is actually the colored box.
    var colorBox = ui.Label({
      style: {
        backgroundColor: color,
        // Use padding to give the box height and width.
        padding: '8px',
        margin: '0 0 4px 0'
      }
    });

  // Create the label filled with the description text.
  var description = ui.Label({
    value: name,
    style: {margin: '0 0 4px 6px'}
  });

  return ui.Panel({
    widgets: [colorBox, description],
    layout: ui.Panel.Layout.Flow('horizontal')
  });
};
  var palette = dict['colors'];
  var names = dict['names'];
  loading.style().set('shown', false);

  for (var i = 0; i < names.length; i++) {
    legend.add(makeRow(palette[i], names[i]));
  }

// Print the panel containing the legend
print(legend);