#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <regex.h>

#include <cprops/log.h>
#include <cprops/str.h>
#include <cprops/httpclient.h>

#include <openssl/ssl.h>

static char *url_re_lit = 
    "^(http(s)?:\\/\\/)?([^:\\/]+)(\\:[0-9]{1,5})?(\\/.*)?$";

int main(int argc, char *argv[])
{
    int rcc;
    cp_httpclient *client;
    regex_t url_re;
    regmatch_t rm[6];
    
    cp_string *host;
    int ssl;
    int port;
    cp_string *uri;
    
    cp_httpclient_result *result;
    cp_http_response *res;

    if (argc < 2)
    {
        printf("do this: %s \"url\"\n", argv[0]);
        return 1;
    }

    if ((rcc = regcomp(&url_re, url_re_lit, REG_EXTENDED | REG_ICASE)) != 0)
    {
        char errbuf[0x100];
        regerror(rcc, &url_re, errbuf, 0x100);
        printf("regex error: %s\n", errbuf);
        return 2;
    }
    
    if (regexec(&url_re, argv[1], 6, rm, 0))
    {
        printf("can\'t parse url: %s\n", argv[1]);
        return 3;
    }
    
    ssl = rm[2].rm_so != -1;
    host = cp_string_create(&argv[1][rm[3].rm_so], rm[3].rm_eo - rm[3].rm_so);
    if (rm[4].rm_so != -1)
        port = atoi(&argv[1][rm[4].rm_so + 1]);
    else
        port = ssl ? 443 : 80;
    if (rm[5].rm_so != -1)
        uri = cp_string_create(&argv[1][rm[5].rm_so], rm[5].rm_eo - rm[5].rm_so);
    else
        uri = cp_string_create("/", 1);

    printf("host: %s\n", cp_string_tocstr(host));
    printf("port: %d\n", port);
    printf("uri:  %s\n", cp_string_tocstr(uri));
    printf("ssl:  %s\n", ssl ? "yes" : "no");
    
    cp_log_init("test_httpclient.log", LOG_LEVEL_DEBUG);
    cp_httpclient_init();
    
    if (ssl)
        client = cp_httpclient_create_ssl(cp_string_tocstr(host), port, "../test/cacert.pem", NULL, SSL_VERIFY_NONE);
    else
        client = cp_httpclient_create(cp_string_tocstr(host), port);

    if (client)
    {
        result = cp_httpclient_fetch(client, cp_string_tocstr(uri));
        if (result)
        {
            res = cp_httpclient_result_get_response(result);
            if (res) 
            {
                printf("%s\n", cp_string_tocstr(res->content));
                cp_httpclient_result_destroy(result);
            }
        }
        cp_httpclient_destroy(client);
    }
    else
        printf("can\'t make connection - cp_httpclient_create failed\n");

    cp_string_destroy(host);
    cp_string_destroy(uri);

    cp_httpclient_shutdown();
    cp_log_close();

    regfree(&url_re);
    return 0;
}