module namespace cm = 'app/cm';
import module namespace ore = 'urn:quodatum:template:oregano' at "lib.xq/oregano.xqm";
declare variable $cm:opts:=map{"base": file:resolve-path("views/", file:base-dir()),
                                   "layout": true(),
                                   "indent": "no"
                                 };
declare variable $cm:model:=map{"_ctx": "app"};

declare function cm:header($path as xs:string?,$data as xs:base64Binary?,$content-type as xs:string?)
as  element(rest:response)
{  switch(true())
case exists($path) return 
     web:response-header(
                map { 'media-type': web:content-type($path) },

                map { 
                  'Cache-Control': 'max-age=3600,public', 
                  'Content-Length': file:size($path),
                  'ETag': file:last-modified($path)
                      }
         )

default return  
    web:response-header(
                map { 'media-type':$content-type },
                (map:entry('Cache-Control', 'max-age=3600,public'), 
                if(exists($data)) then map:entry('Content-Length', bin:length($data))
    )=>map:merge()
 )       
};

(:~ http response from file content:)
declare function cm:response-file($path as xs:string)
as item()*{
if(file:exists($path))
         then (
              cm:header($path,(),()),
              file:read-binary($path)
         )else error(xs:QName('cm:not-found'),$path)
         ()
};

(:~ http response from data content:)
declare function cm:response-data($data as xs:base64Binary,$content-type as xs:string)
as item()*
{
  cm:header((),$data,$content-type),
  $data
  
};


(:~ http response for htmx :)
declare function cm:htmx2($template as xs:string,$model as map(*))
as item()*
{
 cm:header((),(),"text/html"),
ore:render($template,$cm:opts,$model)=>ore:serialize($cm:opts)
};


(:~ read a relative file :)
declare function cm:read($path as xs:string)
as xs:string{
file:resolve-path( $path,file:base-dir())=>file:read-text()
};

(:~ write a message to standard BaseX log passthru item :)
declare function cm:trace($items as item()*,$msg as xs:string)
as item()*{
  $items,admin:write-log($msg || ": " || serialize($items,map{"method":"basex"}),"MDUI")
};

declare function cm:status-404()
as item()*{
<rest:response>
    <http:response status="404">
      <http:header name="Content-Language" value="en"/>
      <http:header name="Content-Type" value="text/plain; charset=utf-8"/>
    </http:response>
  </rest:response>,
  "The requested resource is not available."
};

declare function cm:status($status as xs:integer,$msg as xs:string)
 as item()*{
 web:response-header((),(), map { 'status': $status, 'message': "OK"}),$msg 
};