module MpApi
  class Payment
    attr_reader :status_detail, :three_ds_info_creq, :three_ds_info_external_resource_url, :three_d_secure_mode, :id, :description, :date_approved, :date_created, :money_release_date, :payer_email, :payer_identification_type, :payer_identification_number, :payment_method, :last_four_digits, :payment_type, :qr_code, :qr_code_base_64, :transaction_id, :ticket_url, :status, :amount, :token, :issuer_id, :installments, :statement_descriptor, :items, :error, :internal_error, :capture, :date_of_expiration, :saved_card, :customer_id
    def initialize(payer_email:, payer_identification_type:, payer_identification_number:, payment_method:, last_four_digits: nil, amount:, status_detail: nil, three_ds_info_creq: nil, three_ds_info_external_resource_url: nil, three_d_secure_mode: nil, id: nil, description: nil, date_approved: nil, date_created: nil, money_release_date: nil, payment_type: nil, qr_code: nil, qr_code_base_64: nil, transaction_id: nil, ticket_url: nil, status: nil, token: nil, issuer_id: nil, installments: nil, items: nil, statement_descriptor: nil, error: nil, internal_error: nil, capture: nil, date_of_expiration: nil, saved_card: false, customer_id: nil)
      @id = id
      @description = description
      @date_approved = date_approved
      @date_created = date_created
      @money_release_date = money_release_date
      @payer_email = payer_email
      @payer_identification_type = payer_identification_type
      @payer_identification_number = payer_identification_number
      @payment_method = payment_method
      @last_four_digits = last_four_digits
      @payment_type = payment_type
      @qr_code = qr_code
      @qr_code_base_64 = qr_code_base_64
      @transaction_id = transaction_id
      @ticket_url = ticket_url
      @status = status
      @amount = amount
      @token = token
      @issuer_id = issuer_id
      @installments = installments
      @three_d_secure_mode = three_d_secure_mode
      @three_ds_info_external_resource_url = three_ds_info_external_resource_url
      @three_ds_info_creq = three_ds_info_creq
      @status_detail = status_detail
      @statement_descriptor = statement_descriptor
      @items = items
      @error = error
      @internal_error = internal_error
      @capture = capture
      @date_of_expiration = date_of_expiration
      @saved_card = saved_card
      @customer_id = customer_id
    end

    def build_json
      send("build_json_#{(payment_method == "pix") ? "pix" : "credit_card"}").except(:description)
    end

    def build_update_json
      {
        # capture: capture,
        status: status
        # date_of_expiration: date_of_expiration,
        # transaction_amount: amount
      }.compact
    end

    def build_json_pix
      {
        date_of_expiration: date_of_expiration,
        transaction_amount: amount,
        description: description,
        statement_descriptor: statement_descriptor,
        additional_info: {
          items: items
        },
        payment_method_id: payment_method,
        payer: {
          email: payer_email,
          identification: {
            type: payer_identification_type,
            number: payer_identification_number
          }
        }
      }.compact
    end

    def build_json_credit_card
      if saved_card
        {
          transaction_amount: amount,
          token: token,
          installments: installments,
          payer: {
            type: "customer",
            id: customer_id
          }
        }
      else
        build_json_pix.merge({
          capture: capture,
          token: token,
          issuer_id: issuer_id,
          installments: installments,
          three_d_secure_mode: three_d_secure_mode ? "optional" : "not_supported"
        }.compact)
      end
    end

    def create
      response = Client.new.create_payment(JSON.dump(build_json))
      self.class.new(**self.class.build_hash(response.json))
    end

    def update attributes
      attributes.each do |key, value|
        instance_variable_set("@#{key}", value)
      end
      Client.new.update_payment(id, JSON.dump(build_update_json))
      self.class.find_by_id(id)
    end

    def self.find_by_id(payment_id)
      response = Client.new.get_payment(payment_id)
      new(**build_hash(response.json))
    end

    def self.build_hash json_response
      payment_error = PaymentError.new(json_response: json_response)
      {
        id: json_response.dig("id"),
        description: json_response.dig("description"),
        date_approved: json_response.dig("date_approved"),
        date_created: json_response.dig("date_created"),
        money_release_date: json_response.dig("money_release_date"),
        payer_email: json_response.dig("payer", "email"),
        payer_identification_type: json_response.dig("payer", "identification", "type"),
        payer_identification_number: json_response.dig("payer", "identification", "number"),
        payment_method: json_response.dig("payment_method_id"),
        last_four_digits: json_response.dig("card", "last_four_digits"),
        payment_type: json_response.dig("payment_type_id"),
        qr_code: json_response.dig("point_of_interaction", "transaction_data", "qr_code"),
        qr_code_base_64: json_response.dig("point_of_interaction", "transaction_data", "qr_code_base64"),
        three_ds_info_external_resource_url: json_response.dig("three_ds_info", "external_resource_url"),
        three_ds_info_creq: json_response.dig("three_ds_info", "creq"),
        transaction_id: json_response.dig("point_of_interaction", "transaction_data", "transaction_id"),
        ticket_url: json_response.dig("point_of_interaction", "transaction_data", "ticket_url"),
        status: json_response.dig("status"),
        status_detail: json_response.dig("status_detail"),
        amount: json_response.dig("transaction_amount"),
        error: payment_error.error,
        internal_error: payment_error.internal_error
      }
    end
  end
end