package launchserver.texture;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.UUID;

import launcher.client.ClientLauncher;
import launcher.client.PlayerProfile;
import launcher.client.PlayerProfile.Texture;
import launcher.helper.CommonHelper;
import launcher.helper.IOHelper;
import launcher.helper.LogHelper;
import launcher.serialize.config.entry.BlockConfigEntry;
import launcher.serialize.config.entry.StringConfigEntry;

public final class RequestTextureProvider extends TextureProvider {
    private static final UUID ZERO_UUID = new UUID(0, 0);

    // Instance
    private final String skinURL;
    private final String cloakURL;

    public RequestTextureProvider(BlockConfigEntry block) {
        super(block);
        skinURL = block.getEntryValue("skinsURL", StringConfigEntry.class);
        cloakURL = block.getEntryValue("cloaksURL", StringConfigEntry.class);

        // Verify
        IOHelper.verifyURL(getTextureURL(skinURL, ZERO_UUID, "skinUsername"));
        IOHelper.verifyURL(getTextureURL(cloakURL, ZERO_UUID, "cloakUsername"));
    }

    @Override
    public void close() {
        // Do nothing
    }

    @Override
    public Texture getCloakTexture(UUID uuid, String username) throws IOException {
        return getTexture(getTextureURL(cloakURL, uuid, username));
    }

    @Override
    public Texture getSkinTexture(UUID uuid, String username) throws IOException {
        return getTexture(getTextureURL(skinURL, uuid, username));
    }

    private static Texture getTexture(String url) throws IOException {
        LogHelper.debug("Getting texture: '%s'", url);
        try {
            return new Texture(url);
        } catch (FileNotFoundException e) {
            LogHelper.subDebug("Texture not found :(");
            return null; // Simply not found
        }
    }

    private static String getTextureURL(String url, UUID uuid, String username) {
        return CommonHelper.replace(url, "username", IOHelper.urlEncode(username),
            "uuid", IOHelper.urlEncode(uuid.toString()), "hash", IOHelper.urlEncode(ClientLauncher.toHash(uuid)));
    }
}