# frozen_string_literal: true

require 'yaml'
require 'fileutils'

module PortainerCli
  class Config
    CONFIG_DIR  = File.expand_path('~/.portainer-cli').freeze
    CONFIG_FILE = File.join(CONFIG_DIR, 'config.yml').freeze

    attr_accessor :url, :token, :api_key

    def self.load
      new.tap(&:read)
    end

    def read
      return unless File.exist?(CONFIG_FILE)

      data = YAML.safe_load(File.read(CONFIG_FILE), permitted_classes: [], symbolize_names: false) || {}
      @url     = data['url']
      @token   = data['token']
      @api_key = data['api_key']
    end

    def save
      FileUtils.mkdir_p(CONFIG_DIR)
      data = {}
      data['url']     = @url     if @url
      data['token']   = @token   if @token
      data['api_key'] = @api_key if @api_key
      File.write(CONFIG_FILE, YAML.dump(data))
      File.chmod(0o600, CONFIG_FILE)
    end

    def valid?
      !@url.nil? && !@url.empty? && auth_set?
    end

    def auth_header
      if @api_key && !@api_key.empty?
        { 'X-API-Key' => @api_key }
      elsif @token && !@token.empty?
        { 'Authorization' => "Bearer #{@token}" }
      else
        {}
      end
    end

    private

    def auth_set?
      (@token && !@token.empty?) || (@api_key && !@api_key.empty?)
    end
  end
end