From ec5e25547a401141586c87621266f9cd68c59e3c Mon Sep 17 00:00:00 2001
From: icebaker <icebaker@proton.me>
Date: Thu, 11 May 2023 19:24:50 -0300
Subject: first commit

---
 controllers/instance.rb | 61 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 controllers/instance.rb

(limited to 'controllers/instance.rb')

diff --git a/controllers/instance.rb b/controllers/instance.rb
new file mode 100644
index 0000000..5635658
--- /dev/null
+++ b/controllers/instance.rb
@@ -0,0 +1,61 @@
+# frozen_string_literal: true
+
+require 'yaml'
+
+require_relative '../logic/helpers/hash'
+require_relative '../components/provider'
+require_relative './interfaces/repl'
+require_relative './session'
+
+module NanoBot
+  module Controllers
+    class Instance
+      def initialize(cartridge_path:, state: nil)
+        load_cartridge!(cartridge_path)
+
+        provider = Components::Provider.new(@cartridge[:provider])
+
+        @session = Session.new(provider:, cartridge: @cartridge, state:)
+      end
+
+      def debug
+        @session.debug
+      end
+
+      def eval(input)
+        @session.evaluate_and_print(input, mode: 'eval')
+      end
+
+      def repl
+        Interfaces::REPL.start(@cartridge, @session)
+      end
+
+      private
+
+      def load_cartridge!(path)
+        @cartridge = Logic::Helpers::Hash.symbolize_keys(
+          YAML.safe_load(File.read(path), permitted_classes: [Symbol])
+        )
+
+        inject_environment_variables!(@cartridge)
+      end
+
+      def inject_environment_variables!(node)
+        case node
+        when Hash
+          node.each do |key, value|
+            node[key] = inject_environment_variables!(value)
+          end
+        when Array
+          node.each_with_index do |value, index|
+            node[index] = inject_environment_variables!(value)
+          end
+        when String
+          node.start_with?('ENV') ? ENV.fetch(node.sub(/^ENV./, '')) : node
+        else
+          node
+        end
+      end
+    end
+  end
+end
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