# Copyright (c) 2022 Yegor Bugayenko
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the 'Software'), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

require 'iri'
require 'time'
require_relative '../match'

# Pulls in GitHub API.
# Author:: Yegor Bugayenko (yegor256@gmail.com)
# Copyright:: Copyright (c) 2022 Yegor Bugayenko
# License:: MIT
class Cobench::Pulls
  def initialize(api, user, opts)
    @api = api
    @user = user
    @opts = opts
  end

  def take(loog)
    from = (Time.now - (60 * 60 * 24 * @opts[:days])).strftime('%Y-%m-%d')
    q = "in:comments type:pr author:#{@user} is:merged merged:>#{from}"
    json = @api.search_issues(q)
    loog.debug("Found #{json.total_count} pull requests")
    hoc = 0
    orgs = []
    lcps = []
    total = json.items.count do |p|
      pr = p.pull_request.url.split('/')[-1]
      repo = p.repository_url.split('/')[-2..-1].join('/')
      next unless Cobench::Match.new(@opts, loog).matches?(repo)
      orgs << p.repository_url.split('/')[-2]
      pr_json = @api.pull_request(repo, pr)
      lcps << (pr_json[:merged_at] - pr_json[:created_at])
      hocs = pr_json.additions + pr_json.deletions
      hoc += hocs
      loog.debug("Including #{repo}##{pr} with #{hocs}")
    end
    [
      {
        meta: true,
        title: 'Orgs',
        list: orgs
      },
      {
        title: 'Pulls',
        total: total,
        href: Iri.new('https://github.com/search').add(q: q)
      },
      {
        title: 'LcP',
        total: lcps.size.zero? ? 0 : ((lcps.inject(&:+) / lcps.size) / (60 * 60)).to_i
      },
      {
        title: 'HoC',
        total: hoc
      }
    ]
  end
end