defmodule ProviderServiceWeb.Schemas.Provider 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 Template do
    require OpenApiSpex

    OpenApiSpex.schema(%{
      title: "Template",
      type: :object,
      properties: %{
        template_id: %Schema{type: :string, format: :uuid},
        policy_type: %Schema{type: :string},
        client_type: %Schema{type: :string, enum: ["natural", "juridico"]},
        document_url: %Schema{type: :string},
        active: %Schema{type: :boolean}
      }
    })
  end

  defmodule RegisterProvider do
    require OpenApiSpex

    OpenApiSpex.schema(%{
      title: "RegisterProvider",
      type: :object,
      required: [:provider_id, :name],
      properties: %{
        provider_id: %Schema{
          type: :string,
          pattern: "^[a-zA-Z0-9]+$",
          description: "Alphanumeric ID for the provider"
        },
        name: %Schema{type: :string, example: "Seguros ABC"},
        email: %Schema{type: :string, format: :email},
        phone: %Schema{type: :string},
        contact_name: %Schema{type: :string},
        ruc: %Schema{type: :string},
        address: %Schema{type: :string}
      }
    })
  end

  defmodule UpdateProvider do
    require OpenApiSpex

    OpenApiSpex.schema(%{
      title: "UpdateProvider",
      type: :object,
      properties: %{
        name: %Schema{type: :string},
        email: %Schema{type: :string, format: :email},
        phone: %Schema{type: :string},
        contact_name: %Schema{type: :string},
        ruc: %Schema{type: :string},
        address: %Schema{type: :string}
      }
    })
  end

  defmodule UploadTemplateRequest do
    require OpenApiSpex

    OpenApiSpex.schema(%{
      title: "UploadTemplateRequest",
      type: :object,
      required: [:document_url, :policy_type, :client_type],
      properties: %{
        document_url: %Schema{
          type: :string,
          description: "URL to the uploaded document"
        },
        policy_type: %Schema{
          type: :string,
          description: "Policy type this template applies to"
        },
        client_type: %Schema{
          type: :string,
          enum: ["natural", "juridico"],
          description: "Client type this template applies to"
        }
      }
    })
  end

  defmodule UploadTemplateResponse do
    require OpenApiSpex

    OpenApiSpex.schema(%{
      title: "UploadTemplateResponse",
      type: :object,
      properties: %{
        template_id: %Schema{type: :string, format: :uuid},
        document_url: %Schema{type: :string}
      }
    })
  end

  # templates:          %{ policy_type => %{ client_type => [Template] } }
  # default_templates:  %{ policy_type => %{ client_type => template_id } }

  defmodule ClientTypeTemplates do
    require OpenApiSpex

    OpenApiSpex.schema(%{
      title: "ClientTypeTemplates",
      type: :object,
      description: "Map of client_type (natural | juridico) to list of templates",
      properties: %{
        natural: %Schema{type: :array, items: Template, nullable: true},
        juridico: %Schema{type: :array, items: Template, nullable: true}
      }
    })
  end

  defmodule ClientTypeDefaults do
    require OpenApiSpex

    OpenApiSpex.schema(%{
      title: "ClientTypeDefaults",
      type: :object,
      description: "Map of client_type (natural | juridico) to default template_id",
      properties: %{
        natural: %Schema{type: :string, format: :uuid, nullable: true},
        juridico: %Schema{type: :string, format: :uuid, nullable: true}
      }
    })
  end

  defmodule ProviderData do
    require OpenApiSpex

    OpenApiSpex.schema(%{
      title: "ProviderData",
      type: :object,
      properties: %{
        provider_id: %Schema{type: :string, format: :uuid},
        name: %Schema{type: :string},
        email: %Schema{type: :string},
        phone: %Schema{type: :string},
        contact_name: %Schema{type: :string},
        ruc: %Schema{type: :string},
        address: %Schema{type: :string},
        active: %Schema{type: :boolean},
        templates: %Schema{
          type: :object,
          description: "Map of policy_type to client_type map of templates",
          additionalProperties: ClientTypeTemplates
        },
        default_templates: %Schema{
          type: :object,
          description: "Map of policy_type to client_type to default template_id",
          additionalProperties: ClientTypeDefaults
        }
      }
    })
  end

  defmodule ProviderResponse do
    require OpenApiSpex

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

  defmodule ProviderListResponse do
    require OpenApiSpex

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