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

require "time"
require_relative "schema"

ENV["TZ"] = "Europe/Paris"
ROOT = File.expand_path("..", __dir__)
CONTENT = File.join(ROOT, "src", "content")

begin
  raise "un seul chemin de fiche est requis" unless ARGV.length == 1
  value = ARGV.first
  base = value.start_with?("src/content/") ? ROOT : CONTENT
  path = File.realpath(File.expand_path(value, base))
  relative = path.delete_prefix(CONTENT + "/")
  parts = relative.split("/")

  valid = path.start_with?(CONTENT + "/") && File.file?(path) && File.extname(path) == ".md" &&
          File.basename(path) != "_index.md" && parts.length > 1 && CONTENT_SECTIONS.include?(parts.first)
  raise "le chemin doit désigner une fiche d’une section connue" unless valid

  text = File.read(path, encoding: "UTF-8")
  front = text.match(/\A\+\+\+\r?\n(.*?)\r?\n\+\+\+(?:\r?\n|\z)/m)
  raise "front matter TOML délimité par +++ absent" unless front

  matches = front[1].to_enum(:scan, UPDATED_RE).map { Regexp.last_match }
  raise "la fiche doit contenir exactement une ligne updated" unless matches.length == 1

  timestamp = Time.now.iso8601
  body = front[1].sub(UPDATED_RE, "updated = #{timestamp}")
  File.write(path, text.sub(front[1], body), encoding: "UTF-8")

  puts "Fiche mise à jour : #{path.delete_prefix(ROOT + '/')}"
  puts "updated = #{timestamp}"
rescue StandardError => e
  warn "Erreur : #{e.message}"
  exit 1
end