use super::*;
use the_module::*;

use inc::helper::
{
  ProjectBuilder,
  WorkspaceBuilder,
  // BINARY_NAME,
};

use collection::BTreeSet;
// use std::
// {
//   fs::{ self, File },
//   io::Write,
// };
// use path::{ Path, PathBuf };
use assert_fs::TempDir;

use action::test::{ test, TestsCommandOptions };
use channel::*;
use optimization::*;
// qqq : for Petro : no astersisks import
use willbe::test::TestVariant;

#[ test ]
// if the test fails => the report is returned as an error ( Err(Report) )
fn fail_test()
{
  let temp = TempDir::new().unwrap();
  let temp = &temp;

  let project = ProjectBuilder::new( "fail_test" )
  .toml_file( "[features]\nenabled = []" )
  .test_file( r#"
    #[test]
    fn should_fail()
    {
      panic!()
    }
  "#)
  .build( temp )
  .unwrap();
  let abs = AbsolutePath::try_from( project ).unwrap();

  let args = TestsCommandOptions::former()
  .dir( abs )
  .channels([ Channel::Stable ])
  .optimizations([ Optimization::Debug ])
  .with_none_features( true )
  .form();

  let rep = test( args, false ).unwrap_err().0;
  println!( "========= OUTPUT =========\n{}\n==========================", rep );

  let no_features = rep
  .failure_reports[ 0 ]
  .tests.get( &TestVariant::former().optimization( Optimization::Debug ).channel( Channel::Stable ).features( BTreeSet::default() ).form() )
  .unwrap();

  assert!( no_features.is_err() );
  assert!( no_features.clone().unwrap_err().out.contains( "failures" ) );
}

#[ test ]
// if a compilation error occurred => the report is returned as an error ( Err(Report) )
fn fail_build()
{
  let temp = TempDir::new().unwrap();
  let temp = &temp;

  let project = ProjectBuilder::new( "fail_build" )
  .lib_file( "compile_error!( \"achtung\" );" )
  .toml_file( "[features]\nenabled = []" )
  .test_file( r#"
    #[test]
    fn should_pass() {
      assert!(true);
    }
  "#)
  .build( temp )
  .unwrap();
  let abs = AbsolutePath::try_from( project ).unwrap();

  let args = TestsCommandOptions::former()
  .dir( abs )
  .channels([ Channel::Stable ])
  .optimizations([ Optimization::Debug ])
  .with_none_features( true )
  .form();

  let rep = test( args, false ).unwrap_err().0;
  println!( "========= OUTPUT =========\n{}\n==========================", rep );

  let no_features = rep
  .failure_reports[ 0 ]
  .tests.get( &TestVariant::former().optimization( Optimization::Debug ).channel( Channel::Stable ).features( BTreeSet::default() ).form() )
  .unwrap();

  assert!( no_features.clone().unwrap_err().out.contains( "error" ) && no_features.clone().unwrap_err().out.contains( "achtung" ) );
}

#[ test ]
// if there are 3 members in the workspace (two of them pass the tests and one of them fails) => the global report will contain 2 successful reports and 1 defeats
fn call_from_workspace_root()
{
  let temp = TempDir::new().unwrap();
  let temp = &temp;

  let fail_project = ProjectBuilder::new( "fail_test" )
  .toml_file( "[features]\nenabled = []" )
  .test_file( r#"
  #[test]
  fn should_fail123() {
    panic!()
  }
  "#);

  let pass_project = ProjectBuilder::new( "apass_test" )
  .toml_file( "[features]\nenabled = []" )
  .test_file( r#"
  #[test]
  fn should_pass() {
    assert_eq!(1,1);
  }
  "#);

  let pass_project2 = ProjectBuilder::new( "pass_test2" )
  .toml_file( "[features]\nenabled = []" )
  .test_file( r#"
  #[test]
  fn should_pass() {
    assert_eq!(1,1);
  }
  "#);

  let workspace = WorkspaceBuilder::new()
  .member( fail_project )
  .member( pass_project )
  .member( pass_project2 )
  .build( temp );

  // from workspace root
  let abs = AbsolutePath::try_from( workspace.clone() ).unwrap();

  let args = TestsCommandOptions::former()
  .dir( abs )
  .concurrent( 1u32 )
  .channels([ Channel::Stable ])
  .optimizations([ optimization::Optimization::Debug ])
  .with_none_features( true )
  .form();


  let rep = test( args, false );
  let rep = rep.unwrap_err().0;


  assert_eq!( rep.failure_reports.len(), 1 );
  assert_eq!( rep.success_reports.len(), 2 );
}

#[ test ]
fn plan()
{
  let temp = TempDir::new().unwrap();
  let temp = &temp;

  let project = ProjectBuilder::new( "plan_test" )
  .toml_file( "[features]\nenabled = []" )
  .test_file( r#"
  #[test]
  fn should_pass() {
    assert!(true);
  }
  "#)
  .build( temp )
  .unwrap();
  let abs = AbsolutePath::try_from( project ).unwrap();

  let args = TestsCommandOptions::former()
  .dir( abs )
  .channels([ Channel::Stable, Channel::Nightly ])
  .optimizations([ Optimization::Debug, Optimization::Release ])
  .with_none_features( true )
  .with_progress( false )
  .form();

  let rep = test( args, true ).unwrap().success_reports[ 0 ].clone().tests;

  assert!( rep.get( &TestVariant::former().optimization( Optimization::Debug ).channel( Channel::Stable ).features( BTreeSet::default() ).form() ).is_some() );
  assert!( rep.get( &TestVariant::former().optimization( Optimization::Debug ).channel( Channel::Nightly ).features( BTreeSet::default() ).form() ).is_some() );
  assert!( rep.get( &TestVariant::former().optimization( Optimization::Release ).channel( Channel::Stable ).features( BTreeSet::default() ).form() ).is_some() );
  assert!( rep.get( &TestVariant::former().optimization( Optimization::Release ).channel( Channel::Nightly ).features( BTreeSet::default() ).form() ).is_some() );
}

#[ test ]
fn backtrace_should_be()
{
  let temp = TempDir::new().unwrap();
  let temp = &temp;

  let project = ProjectBuilder::new( "fail_build" )
  .toml_file( "[features]\nenabled = []" )
  .test_file( r#"
  #[test]
  fn fail() {
    assert!(false);
  }
  "#)
  .build( temp )
  .unwrap();
  let abs = AbsolutePath::try_from( project ).unwrap();

  let args = TestsCommandOptions::former()
  .dir( abs )
  .channels([ Channel::Stable ])
  .optimizations([ Optimization::Debug ])
  .with_none_features( true )
  .form();

  let rep = test( args, false ).unwrap_err().0;
  println!( "========= OUTPUT =========\n{}\n==========================", rep );

  let no_features = rep
  .failure_reports[ 0 ]
  .tests.get( &TestVariant::former().optimization( Optimization::Debug ).channel( Channel::Stable ).features( BTreeSet::default() ).form() )
  .unwrap();

  assert!( !no_features.clone().unwrap_err().out.contains( "RUST_BACKTRACE" ) );
  assert!( no_features.clone().unwrap_err().out.contains( "stack backtrace" ) );
}