module OmniFocus::Github

# File lib/omnifocus/github.rb, line 24
def github_clients
  omnifocus_git_param(:accounts, "github").split(/\s+/).map { |account|
    endpoints = {}
    endpoints[:api] = omnifocus_git_param(:api, nil, account)
    endpoints[:web] = omnifocus_git_param(:web, nil, account)

    # User + password is required
    auth = {
      :name     => omnifocus_git_param(:name,         nil, account),
      :user     => omnifocus_git_param(:user,         nil, account),
      :password => omnifocus_git_param(:password,     nil, account),
      :oauth    => omnifocus_git_param("oauth-token", nil, account),
    }

    unless auth[:user] && (auth[:password] || auth[:oauth])
      warn "Missing authentication parameters for account #{account}."
      next
    end

    auth[:name] = auth[:user] if auth[:name].nil?

    client = nil

    if account != "github"
      if endpoints[:api] && endpoints[:web]
        Octokit.configure do |c|
          c.api_endpoint = endpoints[:api]
          c.web_endpoint = endpoints[:web]
        end
      else
        raise ArgumentError, "api and web endpoint configs required for github enterprise"
      end
    end

    if auth[:user] && auth[:password]
      client = Octokit::Client.new(:login => auth[:user],
                                   :password => auth[:password])

      client.user auth[:name]
    elsif auth[:user] && auth[:oauth]
      client = Octokit::Client.new :access_token => auth[:oauth]
      client.user.login
    else
      raise ArgumentError, "Missing authentication"
    end

    [account, client]
  }.to_h
end

# File lib/omnifocus/github.rb, line 74
def omnifocus_git_param name, default = nil, prefix = "omnifocus-github"
  param = `git config #{prefix}.#{name}`.chomp
  param.empty? ? default : param
end

# File lib/omnifocus/github.rb, line 11
def populate_github_tasks
  processed = false

  github_clients.each do |account, client|
    account_label = account == "github" ? PREFIX : account

    processed = true
    process account_label, client
  end

  raise "No accounts authenticated. Bailing." unless processed
end

# File lib/omnifocus/github.rb, line 79
def process prefix, client
  client.list_issues.each do |issue|
    pr        = issue["pull_request"] && !issue["pull_request"]["diff_url"].nil?
    number    = issue.number
    project   = issue.repository.full_name.split("/").last
    ticket_id = "#{prefix}-#{project}##{number}"
    title     = "#{ticket_id}: #{pr ? "[PR] " : ""}#{issue["title"]}"
    # HACK
    url       = "https://github.com/#{issue.repository.full_name}/issues/#{number}"
    note      = "#{url}\n\n#{issue["body"]}"

    next if excluded_projects.include? project

    if existing[ticket_id] then
      bug_db[project][ticket_id] = true
      next
    end

    bug_db[project][ticket_id] = [title, note]
  end
end