tiles-mock

var fs = require('fs'),
  gm = require('gm').subClass({
    imageMagick: true
  });

module.exports = MockBase => class MockRivers extends MockBase {

  mocks(options) {
    return [{
      route: '/tiles/:z/:x\::y/tile.png',
      responses: [{
        request: {
          method: 'GET'
        },
        response: function(ctx, z, x, y) {
          ctx.respond = false;
          ctx.type = "image/png";
          ctx.res.writeHead(200, {
            'Content-Type': 'image/png'
          });

          var color = x * y * z;
          color = String("000000" + color).slice(-6);

          gm(256, 256, "#" + color)
            .fontSize(20)
            .drawText(10, 50, "/" + z + "/" + x + ":" + y)
            .drawText(10, 100, "/tile.png")
            .toBuffer("PNG", function(err, buffer) {
              if (err) console.log(err);
              ctx.res.write(buffer);
              ctx.res.end();
            });
        }
      }]
    }];
  }

}