require "grit"

class Project < ActiveRecord::Base
  include Repository
  include GitPush
  include Authority
  include Team

  #
  # Relations
  # 
  belongs_to :owner, :class_name => "User"
  has_many :users,          :through => :users_projects
  has_many :events,         :dependent => :destroy
  has_many :merge_requests, :dependent => :destroy
  has_many :issues,         :dependent => :destroy, :order => "closed, created_at DESC"
  has_many :milestones,     :dependent => :destroy
  has_many :users_projects, :dependent => :destroy
  has_many :notes,          :dependent => :destroy
  has_many :snippets,       :dependent => :destroy
  has_many :deploy_keys,    :dependent => :destroy, :foreign_key => "project_id", :class_name => "Key"
  has_many :web_hooks,      :dependent => :destroy
  has_many :wikis,          :dependent => :destroy
  has_many :protected_branches, :dependent => :destroy

  # 
  # Protected attributes
  #
  attr_protected :private_flag, :owner_id

  # 
  # Scopes
  #
  scope :public_only, where(:private_flag => false)
  scope :without_user, lambda { |user|  where("id not in (:ids)", :ids => user.projects.map(&:id) ) }

  def self.active
    joins(:issues, :notes, :merge_requests).order("issues.created_at, notes.created_at, merge_requests.created_at DESC")
  end

  def self.search query
    where("name like :query or code like :query or path like :query", :query => "%#{query}%")
  end

  def self.create_by_user(params, user)
    project = Project.new params

    Project.transaction do
      project.owner = user

      return project unless project.save

      # Add user as project master
      project.users_projects.create!(:project_access => UsersProject::MASTER, :user => user)

      # when project saved no team member exist so
      # project repository should be updated after first user add
      project.update_repository
    end

    project
  end

  #
  # Validations
  #
  validates :name,
            :uniqueness => true,
            :presence => true,
            :length   => { :within => 0..255 }

  validates :path,
            :uniqueness => true,
            :presence => true,
            :format => { :with => /^[a-zA-Z][a-zA-Z0-9_\-\.]*$/,
                         :message => "only letters, digits & '_' '-' '.' allowed. Letter should be first" },
            :length   => { :within => 0..255 }

  validates :description,
            :length   => { :within => 0..2000 }

  validates :code,
            :presence => true,
            :uniqueness => true,
            :format => { :with => /^[a-zA-Z][a-zA-Z0-9_\-\.]*$/,
                         :message => "only letters, digits & '_' '-' '.' allowed. Letter should be first"  },
            :length   => { :within => 1..255 }

  validates :owner, :presence => true
  validate :check_limit
  validate :repo_name

  def check_limit
    unless owner.can_create_project?
      errors[:base] << ("Your own projects limit is #{owner.projects_limit}! Please contact administrator to increase it")
    end
  rescue
    errors[:base] << ("Cant check your ability to create project")
  end

  def repo_name
    if path == "gitolite-admin"
      errors.add(:path, " like 'gitolite-admin' is not allowed")
    end
  end
  
  def self.access_options
    UsersProject.access_roles
  end

  def to_param
    code
  end

  def web_url
    [Gitlab.config.url, code].join("/")
  end

  def common_notes
    notes.where(:noteable_type => ["", nil]).inc_author_project
  end

  def build_commit_note(commit)
    notes.new(:noteable_id => commit.id, :noteable_type => "Commit")
  end

  def commit_notes(commit)
    notes.where(:noteable_id => commit.id, :noteable_type => "Commit", :line_code => nil)
  end

  def commit_line_notes(commit)
    notes.where(:noteable_id => commit.id, :noteable_type => "Commit").where("line_code is not null")
  end

  def public?
    !private_flag
  end

  def private?
    private_flag
  end

  def last_activity
    events.last || nil
  end

  def last_activity_date
    if events.last
      events.last.created_at
    else
      updated_at
    end
  end

  def project_id
    self.id
  end
end

# == Schema Information
#
# Table name: projects
#
#  id                     :integer(4)      not null, primary key
#  name                   :string(255)
#  path                   :string(255)
#  description            :text
#  created_at             :datetime        not null
#  updated_at             :datetime        not null
#  private_flag           :boolean(1)      default(TRUE), not null
#  code                   :string(255)
#  owner_id               :integer(4)
#  default_branch         :string(255)     default("master"), not null
#  issues_enabled         :boolean(1)      default(TRUE), not null
#  wall_enabled           :boolean(1)      default(TRUE), not null
#  merge_requests_enabled :boolean(1)      default(TRUE), not null
#  wiki_enabled           :boolean(1)      default(TRUE), not null
#