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module trial.reporters.landing;

import std.stdio;
import std.array;
import std.conv;
import std.datetime;
import std.string;
import std.algorithm;

import trial.interfaces;
import trial.reporters.writer;


struct LandingGlyphs {
  string plane = "✈";
  string margin = "━";
  string lane = "⋅";
}


string landingGlyphsToCode(LandingGlyphs glyphs) {
  return "LandingGlyphs(`"~ glyphs.plane ~"`,`"~ glyphs.margin ~"`,`"~ glyphs.lane ~"`)";
}


class LandingReporter : ITestCaseLifecycleListener, ILifecycleListener
{
  private
  {
    ReportWriter writer;
    LandingGlyphs glyphs;

    ulong testCount;
    ulong currentTest;
    bool success = true;
  }

  this(LandingGlyphs glyphs)
  {
    writer = defaultWriter;
    this.glyphs = glyphs;
  }

  this(ReportWriter writer)
  {
    this.writer = writer;
  }

  void begin(ulong testCount)
  {
    this.testCount = testCount;
    writer.writeln("\n\n");
    drawLane;
  }

  void update()
  {

  }

  void end(SuiteResult[])
  {

  }

  void begin(string suite, ref TestResult test)
  {
  }

  void end(string suite, ref TestResult test)
  {
    currentTest++;
    success = success && test.status == TestResult.Status.success;
    drawLane;
  }

  private void drawLane()
  {
    size_t size = (writer.width / 4) * 3;
    size_t position = ((cast(double) currentTest / cast(double) testCount) * size).to!size_t;

    writer.goTo(3);
    writer.writeln(glyphs.margin.replicate(size), ReportWriter.Context.inactive);

    if (currentTest < testCount)
    {
      writer.write(glyphs.lane.replicate(position), ReportWriter.Context.inactive);
      writer.write(glyphs.plane, success ? ReportWriter.Context.active : ReportWriter.Context.danger);
      writer.writeln(glyphs.lane.replicate(size - position - 1), ReportWriter.Context.inactive);
    }
    else
    {
      writer.write(glyphs.lane.replicate(size), ReportWriter.Context.inactive);
      writer.writeln(glyphs.plane, success ? ReportWriter.Context.active : ReportWriter.Context.danger);
    }

    writer.writeln(glyphs.margin.replicate(size), ReportWriter.Context.inactive);
  }
}