#include <mbgl/util/mapbox.hpp>

#include <stdexcept>

namespace mbgl {
namespace util {
namespace mapbox {

const std::string mapbox = "mapbox://";

std::string normalizeURL(const std::string& url, const std::string& accessToken) {
    if (accessToken.empty())
        throw std::runtime_error("You must provide a Mapbox API access token for Mapbox tile sources");

    return std::string("https://api.tiles.mapbox.com/v4/")
        + url.substr(mapbox.length())
        + "?access_token="
        + accessToken;
}

std::string normalizeSourceURL(const std::string& url, const std::string& accessToken) {
    if (url.compare(0, mapbox.length(), mapbox) != 0)
        return url;

    std::string result = normalizeURL(url + ".json", accessToken);

    // TileJSON requests need a secure flag appended to their URLs so
    // that the server knows to send SSL-ified resource references.
    if (url.compare(0, 5, "https") == 0)
        result += "&secure";

    return result;
}

std::string normalizeGlyphsURL(const std::string& url, const std::string& accessToken) {
    if (url.compare(0, mapbox.length(), mapbox) != 0)
        return url;

    return normalizeURL(url, accessToken);
}

}
}
}