#include "Configuration.hpp"

Configuration::Configuration(Node *parent) : Configuration(parent, "config.json") {}

Configuration::Configuration(Node *parent, fs::path path) : Node(parent)
{
    config_path = path;
    set_defaults();
    load();
    merge();
}

void Configuration::set_defaults()
{
    sys_config["keys"] = {
        {"record", {"CTRL", "SHIFT", "f10"}},
        {"save-current-stash", {"CTRL", "SHIFT", "v"}},
        {"screenshot", "f9"},
        {"action", "space"},
        {"up", "up"},
        {"right", "right"},
        {"down", "down"},
        {"left", "left"},
        {"pause", "enter"},
        {"fullscreen", {"ALT", "enter"}},
        {"toggle-framerate", {"CTRL", "f"}}
    };
    sys_config["path"] = {
        {"screenshots", "."},
        {"video", "."}
    };
    sys_config["display"] = {
        {"dimensions", {640, 480}},
        {"framerate", 60},
        {"title", "sfw"}
    };
    sys_config["recording"] = {
        {"enabled", false},
        {"screenshot-prefix", "screenshot-"},
        {"screenshot-extension", ".png"},
        {"screenshot-zfill", 5},
        {"gif-frame-length", 100},
        {"write-mp4", false},
        {"max-stash-length", 5000},
        {"max-in-game-stashes", 3},
        {"max-video-stashes", 40},
        {"max-video-memory", 1000},
        {"mp4-pixel-format", "yuv444p"}
    };
    sys_config["fps-indicator"] = {
        {"width", .05},
        {"height", .04},
        {"background", {255, 255, 255}},
        {"foreground", {0, 0, 0}}
    };
    sys_config["animation"] = {
        {"all-frames-frameset-name", "all"}
    };
}

void Configuration::load()
{
    load(config_path);
}

void Configuration::load(fs::path path)
{
    if (fs::exists(path))
    {
        std::ifstream contents(path);
        contents >> game_config;
    }
}

void Configuration::merge()
{
    config = sys_config;
    if (not game_config.empty())
    {
        for (auto& section: config.items())
        {
            if (game_config.contains(section.key()))
            {
                config[section.key()].update(game_config[section.key()]);
            }
        }
    }
    std::cout << std::setw(4) << config << std::endl;
}

void Configuration::write()
{
    write(config_path);
}

void Configuration::write(fs::path path)
{
    std::ofstream output(path);
    output << std::setw(tab_width) << game_config << std::endl;
}