#!/usr/bin/env ruby

ROOT = File.expand_path('..', __dir__)

LIBS = %w[
  admin
  api
  backend
  core
  sample
  legacy_promotions
]

# Ignore line info, e.g. foo/bar.rb:123 would become foo/bar.rb
without_line = ->(path) { path.split(':', 2).first }

# Is it a spec file or a CLI option?
is_spec = ->(path) {
  File.directory?(path) ? path.include?('/spec') : without_line[path].end_with?('_spec.rb')
}

# Find the Solidus library for this path
find_lib = ->(path) {
  path = without_line[path]
  LIBS.find { |lib| path.start_with? File.join(ROOT, lib) +'/' }
}

# Let all paths be absolute, if the file is missing try prepending one of the LIBS,
# this allows calling `bin/rspec spec/api/foo/bar_spec.rb` without needing to add
# the api/ prefix.
expand_existing = ->(path) {
  [
    File.expand_path(path),
    *LIBS.map { |l| File.expand_path(path, l) }
  ].find { |p| File.exist?(without_line[p]) }
}

spec_files, options = ARGV.partition(&is_spec) # Separate specs and options

specs = {}

if spec_files.any?
  specs = spec_files.map do |f|
    expand_existing[f] or abort "Couldn't find spec file: #{f.inspect}"
  end.group_by(&find_lib)
else
  # If no files are provided run all specs in each lib.
  LIBS.each { |lib| specs[lib] = [] }
end

# Run specs for each lib separately
specs.each do |lib, files|
  Dir.chdir(lib) do
    command = ['bundle', 'exec', 'rspec', *options, *files]
    warn "$ cd #{lib}; #{command.join(' ')}; cd -"
    system *command
    exit $?.exitstatus unless $?.success?
  end
end