--[[
authors-block – affiliations block extension for quarto

Copyright (c) 2023 Lorenz A. Kapsner

Permission to use, copy, modify, and/or distribute this software for any purpose
with or without fee is hereby granted, provided that the above copyright notice
and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
THIS SOFTWARE.
]]

local List = require 'pandoc.List'
local utils = require 'pandoc.utils'
local stringify = utils.stringify

-- [import]
local from_scholarly = require "from_scholarly_metadata"
local resolve_institutes = from_scholarly.resolve_institutes
-- [/import]

local M = {}

-- from @kapsner
local function normalize_affiliations(affiliations)
  local affiliations_norm = List:new(affiliations):map(
    function(affil, i)
      affil.index = pandoc.MetaInlines(pandoc.Str(tostring(i)))
      affil.id = pandoc.MetaString(stringify(affil.id))
      return affil
    end
  )
  return affiliations_norm
end
M.normalize_affiliations = normalize_affiliations

-- from https://stackoverflow.com/a/2282547
local function has_key(set, key)
  return set[key] ~= nil
end
M.has_key = has_key

-- from @kapsner
local function normalize_authors(affiliations)
  return function(auth)
    auth.id = pandoc.MetaString(stringify(auth.name))
    auth.affiliations = resolve_institutes(
      auth.affiliations,
      affiliations
    )
    return auth
  end
end
M.normalize_authors = normalize_authors

return M