# frozen_string_literal: true

module Snibbets
  class Config
    attr_accessor :options, :arguments, :test_editor, :config_dir, :config_file

    DEFAULT_ARGUMENTS = {
      save_config: false,
      edit_config: false,
      edit_snippet: false,
      paste_snippet: false
    }.freeze

    DEFAULT_OPTIONS = {
      all: false,
      copy: false,
      editor: nil,
      extension: 'md',
      highlight: false,
      highlighter: nil,
      highlight_theme: 'monokai',
      include_blockquotes: false,
      interactive: true,
      launchbar: false,
      menus: nil,
      name_only: false,
      output: 'raw',
      source: File.expand_path('~/Dropbox/Snippets')
    }.freeze

    def initialize
      @config_dir = File.expand_path('~/.config/snibbets')
      @config_file = File.join(@config_dir, 'snibbets.yml')
      custom_config = read_config
      @options = DEFAULT_OPTIONS.merge(custom_config)
      @options[:editor] ||= best_editor
      @options[:menus] ||= best_menu
      @arguments = DEFAULT_ARGUMENTS.dup
      @test_editor = nil

      write_config unless @options.equal?(custom_config)
    end

    def best_menu
      return 'fzf' if TTY::Which.exist?('fzf') && @test_editor == 'fzf'

      return 'gum' if TTY::Which.exist?('gum') && @test_editor == 'gum'

      'console'
    end

    def best_editor
      if ENV['EDITOR'] && @test_editor == 'EDITOR'
        ENV['EDITOR']
      elsif ENV['GIT_EDITOR'] && @test_editor == 'GIT_EDITOR'
        ENV['GIT_EDITOR']
      else
        return TTY::Which.which('code') if TTY::Which.exist?('code') && @test_editor == 'code'

        return TTY::Which.which('subl') if TTY::Which.exist?('subl') && @test_editor == 'subl'

        return TTY::Which.which('nano') if TTY::Which.exist?('nano') && @test_editor == 'nano'

        return TTY::Which.which('vim') if TTY::Which.exist?('vim') && @test_editor == 'vim'

        'TextEdit'
      end
    end

    def read_config
      if File.exist?(@config_file)
        YAML.safe_load(IO.read(@config_file)).symbolize_keys
      else
        {}
      end
    end

    def write_config
      raise 'Error creating config directory, file exists' if File.exist?(@config_dir) && !File.directory?(@config_dir)

      FileUtils.mkdir_p(@config_dir) unless File.directory?(@config_dir)
      File.open(@config_file, 'w') { |f| f.puts(YAML.dump(@options.stringify_keys)) }

      true
    end
  end
end