#!/usr/bin/env ruby

require 'pathname'
require 'sequel'

require_relative 'lib/config.rb'

# Load configuration file
$conf = Config.new(File.join(__dir__, 'data/defaults.yaml'))

# Load the Sequel timestamps plugin
Sequel::Model.plugin :timestamps
# Initialize Sequel gem for database actions
DB = Sequel.connect(adapter: $conf.get('database.adapter'), database: $conf.get('database.database'))
# Load models
require_relative 'lib/models/channel.rb'
require_relative 'lib/models/video.rb'

unless ARGV.length == 1
  abort 'You must supply a channel name!'
end

channel = Channel.where(name: ARGV[0]).first()
channel_dir = channel.directory_path
subs = Dir["#{channel_dir}/*"]

subs.each do |d|
  # get folder basename
  dir_name = File.basename(d)

  # parse video serial from folder name
  serial_raw = dir_name[0..5].strip()
  video_serial = serial_raw[1..-1]

  # parse video name from folder name
  video_name = dir_name.split(' - ')[1]

  # check if a video by the same serial number exists for the channel
  db_results = Video.where(serial: video_serial, channel_id: channel.id).all()

  # add video project to DB if there's no existing project
  if db_results.length == 0
    video = Video.create(
      serial: video_serial,
      name: video_name,
      channel_id: channel.id,
      directory_path: d,
      description: 'TODO - imported from storage.',
      script: "# Introduction\n\n# Body\n\n# Conclusions"
    )

    puts "Successfully added video ##{video.serial} - #{video.name} for channel '#{channel.name}' to the database."
  end
end