/* Copyright 2006 Paul Querna
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "proton.h"
#include "cgi.h"

const char *env_vars[] = {
    "AUTH_TYPE",
    "DOCUMENT_ROOT",
    "CONTENT_LENGTH",
    "CONTENT_TYPE",
    "GATEWAY_INTERFACE",
    "HTTP_ACCEPT",
    "HTTP_ACCEPT_CHARSET",
    "HTTP_ACCEPT_ENCODING",
    "HTTP_ACCEPT_LANGUAGE",
    "HTTP_CONNECTION",
    "HTTP_COOKIE",
    "HTTP_HOST",
    "HTTP_KEEP_ALIVE",
    "HTTP_REFERRER",
    "HTTP_USER_AGENT",
    "PATH",
    "PATH_INFO",
    "QUERY_STRING",
    "REMOTE_ADDR",
    "REMOTE_HOST",
    "REQUEST_METHOD",
    "REQUEST_URI",
    NULL
};

static int handle_hello(pwt_ctxt_t *ctxt, void *baton)
{
    etl_variable_t *env = etl_variable_make_hash();
    unsigned int i = 0;
    
    for (i=0; env_vars[i]; i++) {
        char *data = getenv(env_vars[i]);
        if (data) {
            etl_variable_hash_set(env, env_vars[i], etl_variable_make_str(data));
        }
    }

    etl_hash_set(pwt_etl_getenv(ctxt), "env", env);
    
    return pwt_render_template(ctxt, "helloworld.etl");
}

static void reg_handlers(pwt_module_t *pmod, pwt_ctxt_t *pwt)
{
    pwt_register_handler_default(pmod, pwt, handle_hello);
}

PWT_MODULE_DECL(helloworld, reg_handlers);