"""Génère imsmanifest.xml pour le paquet Web/SCORM (voir
build_scorm_package.py) — SCORM 1.2 par défaut (support le plus large
chez les clients visés, Moodle et la plupart des LMS d'entreprise
acceptent les deux, l'inverse est faux) ou 2004 3rd/4th edition au choix
du créateur du jeu (voir db/games/get_scorm_version.py) : seule la 2004
sépare cmi.completion_status/cmi.success_status, utile quand un
"échoué" doit rester "completed" (l'apprenant est allé au bout) plutôt
que retomber en "incomplete" comme l'impose le champ unique de la 1.2."""
import os
from xml.sax.saxutils import escape

_MANIFEST_TEMPLATE_1_2 = """<?xml version="1.0" standalone="no" ?>
<manifest identifier="FORGE_{identifier}" version="1"
    xmlns="http://www.imsproject.org/xsd/imscp_rootv1p1p2"
    xmlns:adlcp="http://www.adlnet.org/xsd/adlcp_rootv1p2"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.imsproject.org/xsd/imscp_rootv1p1p2 imscp_rootv1p1p2.xsd
                        http://www.adlnet.org/xsd/adlcp_rootv1p2 adlcp_rootv1p2.xsd">
  <metadata>
    <schema>ADL SCORM</schema>
    <schemaversion>1.2</schemaversion>
  </metadata>
  <organizations default="FORGE_ORG_{identifier}">
    <organization identifier="FORGE_ORG_{identifier}">
      <title>{title}</title>
      <item identifier="FORGE_ITEM_{identifier}" identifierref="FORGE_RES_{identifier}">
        <title>{title}</title>
      </item>
    </organization>
  </organizations>
  <resources>
    <resource identifier="FORGE_RES_{identifier}" type="webcontent" adlcp:scormtype="sco" href="index.html">
      <file href="index.html"/>
{file_entries}
    </resource>
  </resources>
</manifest>
"""

_MANIFEST_TEMPLATE_2004 = """<?xml version="1.0" standalone="no" ?>
<manifest identifier="FORGE_{identifier}" version="1"
    xmlns="http://www.imsglobal.org/xsd/imscp_v1p1"
    xmlns:adlcp="http://www.adlnet.org/xsd/adlcp_v1p3"
    xmlns:adlseq="http://www.adlnet.org/xsd/adlseq_v1p3"
    xmlns:adlnav="http://www.adlnet.org/xsd/adlnav_v1p3"
    xmlns:imsss="http://www.imsglobal.org/xsd/imsss"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 imscp_v1p1.xsd
                        http://www.adlnet.org/xsd/adlcp_v1p3 adlcp_v1p3.xsd
                        http://www.adlnet.org/xsd/adlseq_v1p3 adlseq_v1p3.xsd
                        http://www.adlnet.org/xsd/adlnav_v1p3 adlnav_v1p3.xsd
                        http://www.imsglobal.org/xsd/imsss imsss_v1p0.xsd">
  <metadata>
    <schema>ADL SCORM</schema>
    <schemaversion>2004 4th Edition</schemaversion>
  </metadata>
  <organizations default="FORGE_ORG_{identifier}">
    <organization identifier="FORGE_ORG_{identifier}">
      <title>{title}</title>
      <item identifier="FORGE_ITEM_{identifier}" identifierref="FORGE_RES_{identifier}">
        <title>{title}</title>
      </item>
    </organization>
  </organizations>
  <resources>
    <resource identifier="FORGE_RES_{identifier}" type="webcontent" adlcp:scormType="sco" href="index.html">
      <file href="index.html"/>
{file_entries}
    </resource>
  </resources>
</manifest>
"""

_MANIFEST_TEMPLATES = {"1.2": _MANIFEST_TEMPLATE_1_2, "2004": _MANIFEST_TEMPLATE_2004}


def build_manifest_xml(slug, game_name, package_files, version="1.2"):
    """`package_files` : chemins relatifs (depuis la racine du paquet, tel
    qu'écrits dans le zip) de TOUS les fichiers autres que index.html —
    un LMS strict (SCORM Cloud) rejette un manifeste qui omet un fichier
    réellement présent dans le paquet. `version` : '1.2' (défaut) ou
    '2004' — voir db/games/get_scorm_version.py."""
    file_entries = "\n".join(
        '      <file href="{}"/>'.format(escape(rel.replace(os.sep, "/")))
        for rel in package_files
    )
    template = _MANIFEST_TEMPLATES.get(version, _MANIFEST_TEMPLATE_1_2)
    return template.format(
        identifier=escape(slug), title=escape(game_name), file_entries=file_entries,
    )