defmodule CustomerServiceWeb.Schemas.Customer do
  alias OpenApiSpex.Schema

  defmodule PaginationMeta do
    require OpenApiSpex

    OpenApiSpex.schema(%{
      title: "PaginationMeta",
      type: :object,
      properties: %{
        total_count: %Schema{type: :integer},
        total_pages: %Schema{type: :integer},
        current_page: %Schema{type: :integer},
        page_size: %Schema{type: :integer},
        has_next: %Schema{type: :boolean},
        has_prev: %Schema{type: :boolean}
      }
    })
  end

  defmodule IndividualCustomerData do
    require OpenApiSpex

    OpenApiSpex.schema(%{
      title: "IndividualCustomer",
      type: :object,
      properties: %{
        id: %Schema{type: :string, format: :uuid},
        customer_type: %Schema{type: :string, enum: ["individual"]},
        first_name: %Schema{type: :string},
        last_name: %Schema{type: :string},
        email: %Schema{type: :string, format: :email},
        phone: %Schema{type: :string},
        birth_date: %Schema{type: :string, format: :date},
        gender: %Schema{type: :string},
        document_id: %Schema{type: :string}
      }
    })
  end

  defmodule CorporateCustomerData do
    require OpenApiSpex

    OpenApiSpex.schema(%{
      title: "CorporateCustomer",
      type: :object,
      properties: %{
        id: %Schema{type: :string, format: :uuid},
        customer_type: %Schema{type: :string, enum: ["corporate"]},
        legal_name: %Schema{type: :string},
        commercial_name: %Schema{type: :string},
        ruc: %Schema{type: :string},
        legal_rep_name: %Schema{type: :string},
        legal_rep_document_id: %Schema{type: :string},
        email: %Schema{type: :string, format: :email},
        phone: %Schema{type: :string},
        address: %Schema{type: :string}
      }
    })
  end

  defmodule CustomerData do
    require OpenApiSpex

    OpenApiSpex.schema(%{
      title: "Customer",
      oneOf: [IndividualCustomerData, CorporateCustomerData],
      discriminator: %OpenApiSpex.Discriminator{
        propertyName: "customer_type",
        mapping: %{
          "individual" => IndividualCustomerData,
          "corporate" => CorporateCustomerData
        }
      }
    })
  end

  defmodule CreateCustomer do
    require OpenApiSpex

    OpenApiSpex.schema(%{
      title: "CreateCustomer",
      type: :object,
      required: [:first_name, :last_name],
      properties: %{
        first_name: %Schema{type: :string},
        last_name: %Schema{type: :string},
        email: %Schema{type: :string, format: :email},
        phone: %Schema{type: :string},
        birth_date: %Schema{type: :string, format: :date},
        gender: %Schema{type: :string},
        document_id: %Schema{type: :string}
      }
    })
  end

  defmodule CreateCorporateCustomer do
    require OpenApiSpex

    OpenApiSpex.schema(%{
      title: "CreateCorporateCustomer",
      type: :object,
      required: [:legal_name, :ruc],
      properties: %{
        legal_name: %Schema{type: :string},
        commercial_name: %Schema{type: :string},
        ruc: %Schema{type: :string},
        legal_rep_name: %Schema{type: :string},
        legal_rep_document_id: %Schema{type: :string},
        email: %Schema{type: :string, format: :email},
        phone: %Schema{type: :string},
        address: %Schema{type: :string}
      }
    })
  end

  defmodule UpdateCustomer do
    require OpenApiSpex

    OpenApiSpex.schema(%{
      title: "UpdateCustomer",
      type: :object,
      properties: %{
        first_name: %Schema{type: :string},
        last_name: %Schema{type: :string},
        email: %Schema{type: :string, format: :email},
        phone: %Schema{type: :string},
        birth_date: %Schema{type: :string, format: :date},
        gender: %Schema{type: :string},
        document_id: %Schema{type: :string},
        address: %Schema{type: :string}
      }
    })
  end

  defmodule UpdateCorporateCustomer do
    require OpenApiSpex

    OpenApiSpex.schema(%{
      title: "UpdateCorporateCustomer",
      type: :object,
      properties: %{
        legal_name: %Schema{type: :string},
        commercial_name: %Schema{type: :string},
        ruc: %Schema{type: :string},
        legal_rep_name: %Schema{type: :string},
        legal_rep_document_id: %Schema{type: :string},
        email: %Schema{type: :string, format: :email},
        phone: %Schema{type: :string},
        address: %Schema{type: :string}
      }
    })
  end

  defmodule CustomerListResponse do
    require OpenApiSpex

    OpenApiSpex.schema(%{
      title: "CustomerListResponse",
      type: :object,
      properties: %{
        data: %Schema{type: :array, items: CustomerData},
        meta: PaginationMeta
      }
    })
  end

  defmodule CustomerResponse do
    require OpenApiSpex

    OpenApiSpex.schema(%{
      title: "CustomerResponse",
      type: :object,
      properties: %{
        data: CustomerData
      }
    })
  end
end