# taken from: https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/blob/1bcfcf786bc289ca1bd2c9d29d6f02d9141b1da3/scripts/generate-options.py
import json
import sys

header = """
# Serverphone options

## `serverphone`

"""

template = """
`````{{option}} {key}
{description}

{type}
{default}
{example}
`````
"""

f = open(sys.argv[1])
options = json.load(f)

groups = ["services.serverphone.authorized",
          "services.serverphone.authorized.acceptedGpgKeys",
          "services.serverphone.certificateRequest"]

def render_option_value(opt, attr):
  if attr in opt:
      if isinstance(opt[attr], dict) and '_type' in opt[attr]:
          if opt[attr]['_type'] == 'literalExpression':
              if '\n' in opt[attr]['text']:
                  res = '\n```nix\n' + opt[attr]['text'].rstrip('\n') + '\n```'
              else:
                  res = '```{}```'.format(opt[attr]['text'])
          elif opt[attr]['_type'] == 'literalMD':
              res = opt[attr]['text']
      else:
          s = str(opt[attr])
          if s == "":
              res = '`""`'
          elif '\n' in s:
              res = '\n```\n' + s.rstrip('\n') + '\n```'
          else:
              res = '```{}```'.format(s)
      res = '- ' + attr + ': ' + res
  else:
      res = ""
  return res

def print_option(opt):
    if isinstance(opt['description'], dict) and '_type' in opt['description']: # mdDoc
        description = opt['description']['text']
    else:
        description = opt['description']
    print(template.format(
        key=opt['name'],
        description=description or "",
        type="- type: ```{}```".format(opt['type']),
        default=render_option_value(opt, 'default'),
        example=render_option_value(opt, 'example')))


print(header)
for opt in options:
    if any([opt['name'].startswith(c) for c in groups]):
        continue
    print_option(opt)

for c in groups:
    print('## `{}`'.format(c))
    print()
    for opt in options:
        if opt['name'].startswith(c):
            print_option(opt)