Rakefile

# frozen_string_literal: true

require 'open-uri'
require 'shellwords'
require 'bundler/audit/task'
require 'rubocop/rake_task'
require 'pathname'

task default: %i[format lint]

desc 'Lint sources'
task lint: %i[lint:clippy lint:rubocop:autocorrect]

namespace :lint do
  RuboCop::RakeTask.new(:rubocop)

  desc 'Lint Rust sources with Clippy'
  task :clippy do
    sh 'cargo clippy --workspace --all-features --all-targets'
  end

  desc 'Lint Rust sources with Clippy restriction pass (unenforced lints)'
  task :'clippy:restriction' do
    lints = [
      'clippy::dbg_macro',
      'clippy::get_unwrap',
      'clippy::indexing_slicing',
      'clippy::panic',
      'clippy::print_stdout',
      'clippy::expect_used',
      'clippy::unwrap_used',
      'clippy::todo',
      'clippy::unimplemented',
      'clippy::unreachable'
    ]
    command = ['cargo', 'clippy', '--'] + lints.flat_map { |lint| ['-W', lint] }
    sh command.shelljoin
  end
end

desc 'Format sources'
task format: %i[format:rust format:text]

namespace :format do
  desc 'Format Rust sources with rustfmt'
  task :rust do
    sh 'cargo fmt -- --color=auto'
  end

  desc 'Format text, YAML, and Markdown sources with prettier'
  task :text do
    sh 'npm run fmt'
  end
end

desc 'Format sources'
task fmt: %i[fmt:rust fmt:text]

namespace :fmt do
  desc 'Format Rust sources with rustfmt'
  task :rust do
    sh 'cargo fmt -- --color=auto'
  end

  desc 'Format text, YAML, and Markdown sources with prettier'
  task :text do
    sh 'npm run fmt'
  end
end

desc 'Build Rust workspace'
task :build do
  sh 'cargo build --workspace'
end

desc 'Generate Rust API documentation'
task :doc do
  ENV['RUSTDOCFLAGS'] = '-D warnings -D rustdoc::broken_intra_doc_links --cfg docsrs'
  sh 'rustup run --install nightly cargo doc --workspace'
end

desc 'Generate Rust API documentation and open it in a web browser'
task :'doc:open' do
  ENV['RUSTDOCFLAGS'] = '-D warnings -D rustdoc::broken_intra_doc_links --cfg docsrs'
  sh 'rustup run --install nightly cargo doc --workspace --open'
end

desc 'Run Roe unit tests'
task :test do
  sh 'cargo test --workspace'
end

namespace :unicode do
  generated_dir = Pathname.pwd.join('generated')
  ucd_dir = generated_dir.join('ucd')

  desc 'Rebuild Rust generated Rust sources from Unicode data'
  task :build do
    unless system 'which ucd-generate'
      raise '`ucd-generate` not found. ' \
            "Install it for generating Unicode data: \n\n  " \
            "cargo install 'ucd-generate@>=0.3.0'\n\n"
    end

    installed_version = `ucd-generate --version`[/(\d+\.\d+\.\d+)/]
    unless Gem::Version.new(installed_version) >= Gem::Version.new('0.3.0')
      # The `--include` flag used later is only available after 0.3.0
      raise 'Please upgrade ucd-generate to >=0.3.0 to run this task ' \
            "(Using ucd-generate #{installed_version})."
    end

    raise 'Stage your changes before running this task' unless system 'git diff --exit-code'

    filename = generated_dir.join('case_mapping.rs')
    sh "ucd-generate case-mapping #{ucd_dir.relative_path_from(Pathname.pwd)} " \
       "--include TITLE --flat-table > #{filename.relative_path_from(Pathname.pwd)}"
    sh 'cargo clippy --fix --allow-dirty'
  end

  desc 'Update Unicode data'
  task :update do
    %w[UnicodeData.txt SpecialCasing.txt PropList.txt].each do |filename|
      uri = "https://www.unicode.org/Public/UCD/latest/ucd/#{filename}"
      URI.parse(uri).open do |data|
        IO.copy_stream(data, ucd_dir.join(filename))
      end
    end
  end
end

Bundler::Audit::Task.new

namespace :release do
  link_check_files = FileList.new('**/*.md') do |f|
    f.exclude('node_modules/**/*')
    f.exclude('**/target/**/*')
    f.exclude('**/vendor/**/*')
    f.include('*.md')
    f.include('**/vendor/*.md')
  end

  link_check_files.sort.uniq.each do |markdown|
    desc 'Check for broken links in markdown files'
    task markdown_link_check: markdown do
      command = ['npx', 'markdown-link-check', '--config', '.github/markdown-link-check.json', markdown]
      sh command.shelljoin
      sleep(rand(1..5))
    end
  end
end