require 'package'

class Mongodb < Package
  description 'MongoDB is the next-generation database that lets you create applications never before possible.'
  homepage 'https://www.mongodb.com/'
  # We use 3.2 branch here since:
  #  - 3.2 branch works well with gcc-4.9.4
  #  - master 3.4 branch requires gcc-5.4.0
  version '3.2.16-1'
  license 'Apache-2.0 and SSPL-1'
  compatibility 'all'
  source_url 'https://fastdl.mongodb.org/src/mongodb-src-r3.2.16.tar.gz'
  source_sha256 '7a8b1b16f3fa545af16f48aeef1f918f57d96a80e1ceb6e669cdb81fab6511d0'

  depends_on 'libpcap' => :build
  depends_on 'scons' => :build
  depends_on 'go' => :build

  def self.build
    # prepare mongo-tools
    system 'git clone https://github.com/mongodb/mongo-tools'
    system "cd mongo-tools; git checkout tags/r3.2.16 && ./build.sh ssl || echo '***YOU NEED TO SET UP GO ENVIRONMENT IN ORDER TO COMPILE
MONGO-TOOLS***'"
    system 'mkdir src/mongo-tools'
    system 'cp mongo-tools/bin/* src/mongo-tools/'
    system 'rm -rf mongo-tools'
  end

  def self.install
    # build mongo and install it at once
    case ARCH
    when 'x86_64'
      system "scons -j#{CREW_NPROC} install --ssl --prefix=#{CREW_DEST_PREFIX} --use-new-tools"
    when 'i686'
      system "scons -j#{CREW_NPROC} install --ssl --wiredtiger=off --prefix=#{CREW_DEST_PREFIX} --use-new-tools"
    when 'armv7l', 'aarch64'
      # Arm 64 bit architecture is supported, but Chrome OS aarch64 is 32 bit.
      # So, it is required to pretend it is armv7l.
      # Arm 32 bit architecture is not supported officaially.
      # Please read https://groups.google.com/forum/#!msg/mongodb-dev/G-kGjZEEam0/VSVB9fYCBAAJ for details
      system 'cd src/third_party/mozjs-38/; ./get_sources.sh'
      system 'cd src/third_party/mozjs-38/; ./gen-config.sh arm linux'
      system 'cd src/third_party/mozjs-38/; rm -rf firefix* mozilla-release'
      system "scons -j#{CREW_NPROC} install --ssl --wiredtiger=off --mmapv1=on --prefix=#{CREW_DEST_PREFIX} --use-new-tools"
    end

    # guide messages
    puts "type `mkdir #{CREW_PREFIX}/lib/mongodb` to create directory for database"
    case ARCH
    when 'x86_64'
      puts "type `mongod --dbpath=#{CREW_PREFIX}/lib/mongodb` to start server"
    when 'i686', 'armv7l', 'aarch64'
      puts "type `mongod --dbpath=#{CREW_PREFIX}/lib/mongodb --storageEngine=mmapv1` to start server"
    end
  end
end