package Gitprep::API;

use Mojo::Base -base;

use Digest::MD5 'md5_hex';

has 'cntl';

sub get_user_row_id {

  my ($self, $user_id) = @_;

  my $user_row_id = $self->app->dbi->model('user')->select('row_id', where => {id => $user_id})->value;

  return $user_row_id;

}

sub get_project_row_id {

  my ($self, $user_id, $project_id) = @_;

  my $user_row_id = $self->app->dbi->model('user')->select('row_id', where => {id => $user_id})->value;

  my $project_row_id = $self->app->dbi->model('project')->model('project')->select(

    'row_id',

    where => {user => $user_row_id, id => $project_id}

  )->value;

  return $project_row_id;

}

sub app { shift->cntl->app }

sub encrypt_password {

  my ($self, $password) = @_;

  my $salt;

  $salt .= int(rand 10) for (1 .. 40);

  my $password_encryped = md5_hex md5_hex "$salt$password";

  return ($password_encryped, $salt);

}

sub check_password {

  my ($self, $password, $salt, $password_encrypted) = @_;

  return unless defined $password && $salt && $password_encrypted;

  return md5_hex(md5_hex "$salt$password") eq $password_encrypted;

}

sub check_user_and_password {

  my ($self, $user, $password) = @_;

  my $row

    = $self->app->dbi->model('user')->select(['password', 'salt'], id => $user)->one;

  return unless $row;

  my $is_valid = $self->check_password(

    $password,

    $row->{salt},

    $row->{password}

  );

  return $is_valid;

}

sub is_collaborator {

  my ($self, $user_id, $project_id, $collaborator_id) = @_;

  my $user_row_id = $self->get_user_row_id($user_id);

  my $project_row_id = $self->app->dbi->model('project')->select(

    where => {user => $user_row_id, id => $project_id}

  )->value;

  my $collaborator_row_id = $self->get_user_row_id($collaborator_id);

  my $row = $self->app->dbi->model('collaboration')->select(

    where => {project => $project_row_id, collaborator => $collaborator_row_id}

  )->one;

  return $row ? 1 : 0;

}

sub can_access_private_project {

  my ($self, $user_id, $project_id) = @_;

  my $session_user_row_id = $self->cntl->session('user_row_id');

  my $session_user_id = $self->app->dbi->model('user')->select(

    'id', where => {row_id => $session_user_row_id}

  )->value;

  my $is_valid =

    ($user_id eq $session_user_id || $self->is_collaborator($user_id, $project_id, $session_user_id))

    && $self->logined;

  return $is_valid;

}

sub new {

  my ($class, $cntl) = @_;

  my $self = $class->SUPER::new(cntl => $cntl);

  return $self;

}

sub logined_admin {

  my $self = shift;

  # Controler

  my $c = $self->cntl;

  # Check logined as admin

  my $session_user_id = $self->session_user_id;

  return $self->app->manager->is_admin($session_user_id) && $self->logined($session_user_id);

}

sub session_user_id {

  my $self = shift;

  my $session_user_row_id = $self->cntl->session('user_row_id');

  my $session_user_id = $self->app->dbi->model('user')->select(

    'id', where => {row_id => $session_user_row_id}

  )->value;

  return $session_user_id;

}

sub logined {

  my ($self, $user_id) = @_;

  my $c = $self->cntl;

  my $dbi = $c->app->dbi;

  my $session_user_row_id = $c->session('user_row_id');

  my $session_user_id = $self->session_user_id;

  my $password = $c->session('password');

  return unless defined $password;

  my $correct_password = $dbi->model('user')->select(

    'password',

    where => {row_id => $session_user_row_id}

  )->value;

  return unless defined $correct_password;

  my $logined;

  if (defined $user_id) {

    $logined = $user_id eq $session_user_id && $password eq $correct_password;

  }

  else {

    $logined = $password eq $correct_password

  }

  return $logined;

}

sub params {

  my $self = shift;

  my $c = $self->cntl;

  my %params;

  for my $name ($c->param) {

    my @values = $c->param($name);

    if (@values > 1) {

      $params{$name} = \@values;

    }

    elsif (@values) {

      $params{$name} = $values[0];

    }

  }

  return \%params;

}

1;