require 'thor'

require_relative 'api'
require_relative 'configuration'
require_relative 'test_report'
require_relative 'job_info'

module Korinthenkacker
  class CLI < Thor
    package_name 'korinthenkacker'

    desc 'jobs', 'Show all jobs'
    def jobs
      puts api.jobs["jobs"].map{ |job| job['name'] }
    end

    desc 'builds JOBNAME', 'Display JOBNAME builds and their status'
    method_option :limit, :aliases => '-l', :type => :numeric
    def builds(jobname)
      reports = test_reports(jobname, options.limit)
      output = []
      output << "#\tsuccess\tduration"
      reports.each{ |report|
        output << "#{report.build}\t#{report.success?}\t#{report.duration}"
      }
      puts output.join("\n")
    end

    desc 'failed_scenarios JOBNAME [BUILD]', 'Display JOBNAME failing scenarios'
    method_option :limit, :aliases => '-l', :type => :numeric
    def failed_scenarios(jobname, build=nil)
      if build
        test_report = TestReport.new(jobname, build, api.test_report(jobname, build))
        print_failed_table_header unless test_report.failed_cases.empty?
        test_report.failed_cases.each { |failed_case|
          print_scenario_report(build, failed_case)
        }
      else
        reports = test_reports(jobname, options.limit)
        failed_build_reports = reports.select{ |report| !report.success? }
        print_failed_table_header unless failed_build_reports.empty?
        failed_build_reports.each{ |report|
          report.failed_cases.each{ |failed_case|
            print_scenario_report(report.build, failed_case)
          }
        }
      end
    end

    desc 'report [JOBS...]', 'Display failing scenario for jobs'
    method_option :limit, :aliases => '-l', :type => :numeric
    def report(*jobs)
      jobs.each{ |job|
        puts job
        failed_scenarios(job, nil)
      }
    end

    private

    def print_failed_table_header
      printf("%s\t%-15s\t%s\n", '#', 'duration', 'failed scenario name')
    end

    def print_scenario_report(build, scenario)
      printf("%s\t%-15s\t'%s'\n", build, scenario.duration, scenario.name)
    end

    def test_reports(jobname, limit=nil)
      job_info = JobInfo.new(api.job(jobname))
      builds = options.limit ? job_info.build_numbers.first(options.limit) : job_info.build_numbers
      builds.map{ |build|
        begin
          TestReport.new(jobname, build, api.test_report(jobname, build))
        rescue Exception => ex
          nil
        end
      }.compact
    end

    def api
      @api ||= API.new(Configuration.jenkins_url)
    end
  end
end