# frozen_string_literal: true

require 'json'
require 'net/http'
require 'net/https'
require 'uri'

class CdrDeltachatApi
  def initialize(api_url, token)
    @token = token
    @last_update = 0
    @api_url = ENV.fetch('BRIDGE_DELTACHAT_URL', api_url || 'http://bridge-deltachat:5001')
  end

  def get(api)
    url = "#{@api_url}/api/bots/#{@token}/#{api}"
    response = Faraday.get(url, nil, { 'Accept' => 'application/json' })
    return {} unless response.success?

    JSON.parse(response.body)
  rescue JSON::ParserError, Faraday::Error => e
    Rails.logger.error "CdrDeltachatApi: GET #{api} failed: #{e.message}"
    {}
  end

  def post(api, params = {})
    url = "#{@api_url}/api/bots/#{@token}/#{api}"
    response = Faraday.post(url, params.to_json, {
                              'Content-Type' => 'application/json',
                              'Accept' => 'application/json'
                            })

    unless response.success?
      Rails.logger.error "CdrDeltachatApi: POST #{api} failed: #{response.status} #{response.body}"
      raise "Failed to call DeltaChat API: #{response.status}"
    end

    JSON.parse(response.body)
  rescue JSON::ParserError => e
    Rails.logger.error "CdrDeltachatApi: Failed to parse response: #{e.message}"
    {}
  rescue Faraday::Error => e
    Rails.logger.error "CdrDeltachatApi: POST #{api} failed: #{e.message}"
    raise "Failed to call DeltaChat API: #{e.message}"
  end

  def fetch_self
    get('')
  end

  def send_message(recipient, text, options = {})
    params = {
      email: recipient.to_s,
      message: text
    }

    if options[:attachments].present?
      params[:attachments] = options[:attachments].map do |att|
        {
          data: att[:data],
          filename: att[:filename],
          mime_type: att[:mime_type]
        }
      end
    end

    result = post('send', params)

    {
      'result' => {
        'to' => result.dig('result', 'recipient') || recipient,
        'from' => result.dig('result', 'source') || @token,
        'timestamp' => result.dig('result', 'timestamp') || Time.current.iso8601
      }
    }
  end
end