#include "GraphApp.h"
#include "../Pieces/PiecesFiles.h"

#include <fstream>


void resetConfigFiles();
void resetSettingsFile();
void resetKeybindFile(int layout);


int main() {
    std::srand(std::time(NULL));

    // keep only for dev
    PiecesFiles pf;
    for (int i = 1; i <= MAXIMUM_PIECES_SIZE; i++) {
        if (!std::filesystem::exists("data/pieces/" + std::to_string(i) + "minos.bin")) {
            std::cout << "pieces files for size " << i << " not found, generating..." << std::endl;
            pf.savePieces(i);
        }
    }
    if (!std::filesystem::exists("data/config/settings.bin")) {
        resetSettingsFile();
    }
    for (int i = 0; i < 5; i++) {
        if (!std::filesystem::exists("data/config/keybinds/layout" + std::to_string(i) + ".bin")) {
            resetKeybindFile(i);
        }
    }

    // before compiling release version
    resetConfigFiles();

    GraphApp UI;
    UI.run();

    return 0;
}


void resetConfigFiles() {
    resetSettingsFile;
    for (int i = 0; i < 5; i++) {
        resetKeybindFile(i);
    }
}

void resetSettingsFile() {
    std::ofstream settingsFile("data/config/settings.bin", std::ios::trunc | std::ios::binary);
    char byte;

    // keybind layout
    byte = 0;
    settingsFile.write(&byte, 1);

    // window size mode
    byte = 2;
    settingsFile.write(&byte, 1);

    // gamemode
    byte = SPRINT;
    settingsFile.write(&byte, 1);

    // board width
    byte = 10;
    settingsFile.write(&byte, 1);

    // board height
    byte = 20;
    settingsFile.write(&byte, 1);

    // piece distribution
    byte = 0;
    settingsFile.write(&byte, 1);

    // selected pieces
    byte = ALL_PIECES;
    settingsFile.write(&byte, 1);
    byte = 4;
    settingsFile.write(&byte, 1);
}

void resetKeybindFile(int layout) {
    if (layout < 0 || layout > 4) return;

    std::ofstream layoutFile("data/config/keybinds/layout" + std::to_string(layout) + ".bin", std::ios::trunc | std::ios::binary);
    std::map<Action, sfKey> keybinds;

    if (layout != 4) {
        keybinds.insert({PAUSE, sfKey::P});
        keybinds.insert({RETRY, sfKey::R});
    }

    if (layout == 0) {
        keybinds.insert({MOVE_LEFT, sfKey::Left});
        keybinds.insert({MOVE_RIGHT, sfKey::Right});
        keybinds.insert({SOFT_DROP, sfKey::Down});
        keybinds.insert({HARD_DROP, sfKey::Space});
        keybinds.insert({ROTATE_CW, sfKey::Up});
        keybinds.insert({ROTATE_CCW, sfKey::Z});
        keybinds.insert({ROTATE_180, sfKey::X});
        keybinds.insert({ROTATE_0, sfKey::LShift});
        keybinds.insert({HOLD, sfKey::C});
    }
    if (layout == 1) {
        keybinds.insert({MOVE_LEFT, sfKey::Z});
        keybinds.insert({MOVE_RIGHT, sfKey::C});
        keybinds.insert({SOFT_DROP, sfKey::X});
        keybinds.insert({HARD_DROP, sfKey::S});
        keybinds.insert({ROTATE_CW, sfKey::M});
        keybinds.insert({ROTATE_CCW, sfKey::Comma});
        keybinds.insert({ROTATE_180, sfKey::J});
        keybinds.insert({ROTATE_0, sfKey::K});
        keybinds.insert({HOLD, sfKey::LShift});
    }
    if (layout == 2) {
        keybinds.insert({MOVE_LEFT, sfKey::A});
        keybinds.insert({MOVE_RIGHT, sfKey::D});
        keybinds.insert({SOFT_DROP, sfKey::W});
        keybinds.insert({HARD_DROP, sfKey::S});
        keybinds.insert({ROTATE_CW, sfKey::Left});
        keybinds.insert({ROTATE_CCW, sfKey::Right});
        keybinds.insert({ROTATE_180, sfKey::Up});
        keybinds.insert({ROTATE_0, sfKey::Down});
        keybinds.insert({HOLD, sfKey::RShift});
    }
    if (layout == 3) {
        keybinds.insert({MOVE_LEFT, sfKey::Left});
        keybinds.insert({MOVE_RIGHT, sfKey::Right});
        keybinds.insert({SOFT_DROP, sfKey::Down});
        keybinds.insert({HARD_DROP, sfKey::Up});
        keybinds.insert({ROTATE_CW, sfKey::E});
        keybinds.insert({ROTATE_CCW, sfKey::A});
        keybinds.insert({ROTATE_180, sfKey::Num2});
        keybinds.insert({ROTATE_0, sfKey::Tab});
        keybinds.insert({HOLD, sfKey::Z});
    }

    char byte;
    for (Action action : ACTION_LIST_IN_ORDER) {
        byte = action;
        layoutFile.write(&byte, 1);

        if (keybinds.contains(action)) {
            byte = (int) keybinds.at(action);
            layoutFile.write(&byte, 1);
        }
        
        byte = 0xFF;
        layoutFile.write(&byte, 1);
    }
}