# frozen_string_literal: true

require 'json'
require 'fileutils'
require_relative '../file_locations'
require_relative '../file_verifier'

module PluginConfig
  module Operations
    class Base
      attr_reader :plugin, :marketplace, :project, :marketplace_file

      def initialize(params)
        @plugin = params[:plugin]
        @marketplace = params[:marketplace]
        @project = params[:project]
        @marketplace_file = params[:marketplace_file]
      end

      private

      def plugin_key
        "#{plugin}@#{resolved_marketplace}"
      end

      # The marketplace id this plugin is actually installed under, per
      # installed_plugins.json, falling back to the --marketplace param when
      # no installed entry exists yet (e.g. before first install). Needed
      # because cc-os's os-* plugins install under a `local-plugins`
      # marketplace (symlink into ~/.claude/plugins) rather than whatever
      # marketplace id the caller assumes (e.g. the repo's own `cc-os`),
      # which otherwise produces false "not installed" results.
      def resolved_marketplace
        data = read_json(installed_plugins_path)
        if data && data['plugins']
          match = data['plugins'].keys.find { |k| k.start_with?("#{plugin}@") }
          return match.split('@', 2).last if match
        end
        marketplace
      end

      def read_json(path)
        return nil unless File.exist?(path)

        JSON.parse(File.read(path))
      rescue JSON::ParserError
        nil
      end

      def write_json(path, data)
        FileUtils.mkdir_p(File.dirname(path))
        content = JSON.pretty_generate(data, indent: '  ') + "\n"
        File.write(path, content)

        verifier = FileVerifier.new(path)
        verifier.verify_written(content)
      end

      def settings_path
        File.join(project, '.claude', 'settings.json')
      end

      def installed_plugins_path
        File.join(Dir.home, '.claude', 'plugins', 'installed_plugins.json')
      end
    end
  end
end