# frozen_string_literal: true

require_relative '../lib/git_ownership_insights/git_ownership_insight'

RSpec.describe GitOwnershipInsights do
  EXCLUSIONS = %w[exclusion1 exclusion2].freeze
  TEAM_REGEX = '[A-Za-z]+'
  TOP_TOUCHED_FILES = 5
  TOP_CONTRIBUTED_TEAMS = 5
  CODEOWNERS_PATH = '.github/CODEOWNERS'
  BIG_FILE_SIZE = 250
  CI = false
  DEFAULT_BRANCH = 'main'
  CODEOWNERS = true
  HOTSPOT = true
  CODE_EXTENSIONS = ['.swift', '.kt'].freeze
  EXCLUDED_FILES = 'ignore'

  let(:dummy_directory_path) { 'spec/fixtures' }
  let(:duration_in_days) { 7 }

  describe '#contribution_message' do
    before do
      @git_ownership_insights = GitOwnershipInsights.new(
        directory_path: dummy_directory_path,
        duration_in_days:,
        begin_time: DateTime.now
      )

      allow(@git_ownership_insights).to receive(:git_files).and_return("spec/fixtures/file1.swift\nspec/fixtures/file2.kt\nspec/fixtures/file3.swift\nspec/fixtures/file4.swift\nspec/fixtures/file5.swift\nspec/fixtures/ignore.kt")
      allow(@git_ownership_insights).to receive(:files_with_changes).and_return("spec/fixtures/file1.swift\nspec/fixtures/file2.kt\nspec/fixtures/file3.swift\nsspec/fixtures/ignore.kt")
      allow(@git_ownership_insights).to receive(:git_commit_count).and_return('3', '3', '1')
      allow(@git_ownership_insights).to receive(:git_commit_info).and_return("FIOS-323 Commit 1\nFAND-321Commit 2\nFIOS-654 Commit 3",
                                                                             "FIOS-323 Commit 1\nFAND-321Commit 2\nFIOS-654 Commit 3", 'FIOS-323 Commit 1')
    end

    it 'prints contribution message' do
      expected_output = <<~EXPECTED

        *Timeframe:* #{(DateTime.now - duration_in_days).strftime('%Y-%m-%d')} to #{Time.now.strftime('%Y-%m-%d')}
             *Code files with a single contributor:* 50.0%
                *Existing files changed by many teams:* 2
                *Current existing [".swift", ".kt"] files:* 4
             *Cross-Squad Dependency:*
                *Contributions by multiple squads to the same files:* 4
                *Contributions by single squads contributing to single files:* 1
             *Hotspot Code Changes:* 85.71%
                *Churn count(commits to files by multiple teams):* 6
                *Total amount of commits:* 7
             *Total lines of hotspot code:* 330
             *[".swift", ".kt"] files with multiple contributors:* 2
             *[".swift", ".kt"] files exceeding 250 lines with multiple contributors:* 1
             *Total amount of commits to [".swift", ".kt"] files:* 7
             *Total [".swift", ".kt"] files changed:* 3
             *Current(\\*) total number of code files longer than 250 lines:* 2
             *Current(\\*) total of [".swift", ".kt"] files in the folder:* 4
             *Contributors:* {"FIOS"=>5, "FAND"=>2}
        * means that it the current(instant) repository value, all the other metrics are done over 7 days period

           Hotspot changes:
             /file1.swift Contributors: ["FIOS", "FAND"] Commits: 3

        Code ownership data:
           Codeownership data:
              FIOS:
                 Total Count: 3
                    Directory: spec/fixtures
                       Top files:
                          file1.swift - 3 ["FIOS", "FAND"]}
              FAND:
                 Total Count: 3
                    Directory: spec/fixtures
                       Top files:
                          file2.kt - 3 ["FIOS", "FAND"]}
      EXPECTED

      expect do
        @git_ownership_insights.contribution_message
      end.to output(expected_output).to_stdout
    end

    it 'handles case when CODE_EXTENSIONS is nil' do
      allow(File).to receive(:exist?).and_return(true)
      allow(File).to receive(:foreach).and_return(%w[line1 line2 line3])
      allow(@git_ownership_insights).to receive(:count_big_files)

      expect do
        @git_ownership_insights.contribution_message
      end.not_to raise_error
    end
  end
end