import std.stdio;
import std.string;
import std.array;
import core.stdc.stdlib : exit, EXIT_FAILURE;

import config.downloaderconfig;

import sites.basesite;
import sites.hentaicafe;
import sites.nhentai;

/++
+ This function parses the url and creates the appropriate site object
+ and then downloads the images
+/
void siteFactory(string url)
{
    // if url is empty just return
    if(url == "") return;

    immutable string hentaicafe_indicator = "/hc.fyi/";
    immutable string nhentai_indicator    = "/g/";

    // Load the config file
    Config config = DownloaderConfig.loadConfig();

    // Placeholder for down casted object
    BaseSite mangaSite;

    if(indexOf(url, hentaicafe_indicator) != -1) // The supplied url is a hentaicafe url
    {
        // Create `HentaiCafe` object
        HentaiCafe hentaicafe = new HentaiCafe(config);

        // Implicit downcast to `BaseSite`
        mangaSite = hentaicafe;
    }
    else if(indexOf(url, nhentai_indicator) != -1) // The supplied url is a nhentai url
    {
        // Create `NHentai` object
        NHentai nhentai = new NHentai(config);

        // Implicit downcast to `BaseSite`
        mangaSite = nhentai;
    }
    else
    {
        writefln("[!] The url (%s) you supplied isn't supported :(", url);
        // FIXME:
        // Dont exit with a failure
        exit(EXIT_FAILURE);
    }

    // Download the manga
    mangaSite.downloadDoujin(url);
}

/++
+ This function parses each url in a list
+ and creates the appropriate site object to
+ download the managa
+/
void siteFactory(string[] urls)
{
    // Call the site factory for each url that way you can have a list
    // of mixed manag links
    foreach(string url; urls)
        siteFactory(url);
}