# Federated Computer, Inc.
# David Sainty <saint@federated.computer>  2024 A.D.
# Gossamer Threads to Discourse -- CleanUp Script
# v0.3 Other necessary fixes and tidyups

require 'mysql2'
require 'active_record'

# require 'concurrent-ruby'
require File.expand_path("../../../../config/environment", __FILE__)

class LegacyPost < ActiveRecord::Base
  self.table_name = 'gforum_Post'
end

class LegacyUser < ActiveRecord::Base
  self.table_name = 'gforum_User'
end

class GossamerForumsDestroyDeletedPosts
#  def initialize
#    super
#      begin
#        # Initialize MySQL client to connect to Gossamer Forums database
#        @mysql_client = Mysql2::Client.new(
#          host: "slowtwitch.northend.network",
#          username: "admin",
#          password: "yxnh93Ybbz2Nm8#mp28zCVv",
#          database: "slowtwitch"
#        )
#      rescue Mysql2::Error => e
#        puts "Error connecting to MySQL: #{e.message}"
#        exit 1
#      end
#  end

  # Define a method to find a post by custom field
  def find_post_by_custom_field(post_id)
    puts "DestroyDeletedPosts: Searching for post with original_gossamer_id: #{post_id}"
  
    post_custom_field = PostCustomField.find_by(name: 'original_gossamer_id', value: post_id.to_s)
  
    if post_custom_field
      post = post_custom_field.post
      puts "DestroyDeletedPosts: Found post with id: #{post.id}"
      post
    else
      puts "DestroyDeletedPosts: No post found with original_gossamer_id: #{post_id}"
      nil
    end
  end
  
  # Define the method to delete posts based on the Gossamer Forums flag
  def destroy_deleted_posts_from_gossamer
    # Connect to the legacy MySQL database
    ActiveRecord::Base.establish_connection(
      adapter: 'mysql2',
      host: 'slowtwitch.northend.network',
      database: 'slowtwitch',
      username: 'admin',
      password: 'yxnh93Ybbz2Nm8#mp28zCVv'
    )
  
    # Find all posts marked as deleted in the legacy database
    LegacyPost.where(post_deleted: 1).find_each do |legacy_post|
      # Look for the post in Discourse by custom field
      post = find_post_by_custom_field(legacy_post.post_id)
  
      if post
        puts "DestroyDeletedPosts: Deleting post with id: #{post.id}"
        # post.destroy
      end
    end
  end

  # Define the method to delete posts based on the Gossamer Forums flag
  def destroy_deleted_posts_from_gossamer_with_user(username)
    # Connect to the legacy MySQL database
    ActiveRecord::Base.establish_connection(
      adapter: 'mysql2',
      host: 'slowtwitch.northend.network',
      database: 'slowtwitch',
      username: 'admin',
      password: 'yxnh93Ybbz2Nm8#mp28zCVv'
    )
  
    # Find the user ID for the given username
    user = LegacyUser.find_by(user_username: username)
    if user.nil?
      puts "DestroyDeletedPosts: No user found with username: #{username}"
      return
    end

    # Find all posts marked as deleted in the legacy database
    LegacyPost.where(post_deleted: 1, user_id_fk: user.user_id).find_each do |legacy_post|
      # Look for the post in Discourse by custom field
      post = find_post_by_custom_field(legacy_post.post_id)
  
      if post
        puts "DestroyDeletedPosts: Mock-Deleting post with id: #{post.id}"
        # post.destroy
      end
    end
  end

  def perform_deleted_destroy
    puts "Destroy Deleted Posts beginning!"
    # destroy_deleted_posts_from_gossamer
    destroy_deleted_posts_from_gossamer_with_user('spudone')
    puts "Destroy Deleted Posts complete!"
  end
end

GossamerForumsDestroyDeletedPosts.new.perform_deleted_destroy