package org.tm.archive.logsubmit;

import android.content.Context;

import androidx.annotation.NonNull;

import org.signal.core.util.concurrent.DeadlockDetector;
import org.tm.archive.dependencies.ApplicationDependencies;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import java.util.Map;

public class LogSectionThreadDump implements LogSection {

  private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS zzz", Locale.US);

  @Override
  public @NonNull String getTitle() {
    return "LAST THREAD DUMP";
  }

  @Override
  public @NonNull CharSequence getContent(@NonNull Context context) {
    Map<Thread, StackTraceElement[]> traces = ApplicationDependencies.getDeadlockDetector().getLastThreadDump();
    long                             time   = ApplicationDependencies.getDeadlockDetector().getLastThreadDumpTime();

    if (traces == null) {
      return "None";
    }

    StringBuilder out = new StringBuilder();

    out.append("Time: ").append(DATE_FORMAT.format(new Date(time))).append(" (").append(time).append(")\n\n");

    for (Map.Entry<Thread, StackTraceElement[]> entry : traces.entrySet()) {
      Thread thread = entry.getKey();
      out.append("-- [").append(thread.getId()).append("] ")
         .append(thread.getName()).append(" (").append(thread.getState()).append(")\n");

      for (StackTraceElement element : entry.getValue()) {
        out.append(element.toString()).append("\n");
      }

      out.append("\n");
    }

    return out;
  }
}