#!/usr/bin/env ruby
# frozen_string_literal: true

#
# Clean Weblate Credits JSON
#
# Strips sensitive data (emails, date_joined) from weblate-credits.json
# and replaces emails with pre-computed Gravatar MD5 hashes.
#
# Usage:
#   ./bin/clean-weblate-credits
#

require 'json'
require 'digest'

# Change to project directory
Dir.chdir(File.expand_path('..', __dir__))

CREDITS_FILE = 'Yattee/weblate-credits.json'

unless File.exist?(CREDITS_FILE)
  warn "Error: #{CREDITS_FILE} not found"
  exit 1
end

# Read and parse the JSON
data = JSON.parse(File.read(CREDITS_FILE))

# Process each language entry
cleaned_data = data.map do |language_entry|
  language_entry.transform_values do |contributors|
    contributors.map do |contributor|
      email = contributor['email'].to_s.strip.downcase
      gravatar_hash = Digest::MD5.hexdigest(email)

      {
        'gravatar_hash' => gravatar_hash,
        'username' => contributor['username'],
        'full_name' => contributor['full_name'],
        'change_count' => contributor['change_count']
      }
    end
  end
end

# Write back to file with pretty formatting
File.write(CREDITS_FILE, JSON.pretty_generate(cleaned_data))

puts "Cleaned #{CREDITS_FILE}"
puts "  - Removed email addresses (replaced with gravatar_hash)"
puts "  - Removed date_joined fields"