#include <IMGUI/imgui-SFML.h>
#include "Game.h"
#include "Window.h"
#include "Crypt.h"

struct account_t userAccount = { 0 };

bool RegWindow = false;
bool RegWindowSetup = false;

void LogonWindow(_GAME *pGame)
{
    static char szUsernameIn[32] = { 0 }, szPasswordIn[32] = { 0 };

    ImGui::SetNextWindowPos(ImVec2(1360 / 2 - 100, 720 / 2 - 75));
    ImGui::SetNextWindowSize(ImVec2(215, 125));

    ImGui::Begin("User login", 0, ImGuiWindowFlags_NoResize);

    ImGui::Text("HL Alpha");
    ImGui::InputText("Username", szUsernameIn, 32);
    ImGui::InputText("Password", szPasswordIn, 32);

    if (ImGui::Button("Login"))
    {

        readAccountDataFromFile((char*)"hl_u.dat", &userAccount, sizeof(struct account_t));
        encryptData((unsigned char*)&userAccount, sizeof(struct account_t));

        if (strcmp(szUsernameIn, userAccount.szUsername) == 0 && strcmp(szPasswordIn, userAccount.szPassword) == 0)
            std::cout << "Login successful.\n";
        else
            std::cout << "Wrong username / password.\n";
    }

    ImGui::SameLine();

    // Create new user
    if (ImGui::Button("New User"))
        RegWindow = true;

    if (RegWindow)
        LogonWindow_Register(pGame);

    ImGui::End();
}

void LogonWindow_Register(_GAME *pGame)
{
    static char szUsernameIn[32] = { 0 }, szPasswordIn[32] = { 0 };

    ImGui::SetNextWindowPos(ImVec2(1360 / 2 - 100, 720 / 2 - 75));
    ImGui::SetNextWindowSize(ImVec2(235, 135));

    ImGui::Begin("Register User", 0, ImGuiWindowFlags_NoResize);

    ImGui::InputText("Username", userAccount.szUsername, 32);
    ImGui::InputText("Password", userAccount.szPassword, 32);

    if (ImGui::Button("Register")){
        // Encrypt password and write it to file.B
        encryptData((unsigned char*)&userAccount, sizeof(struct account_t));
        saveAccountDataToFile((char*)"hl_u.dat", (void*)&userAccount, sizeof(struct account_t));

        // Bugfix - Reset textboxes to prevent it from showing encrypted password.
        strcpy(userAccount.szUsername, "");
        strcpy(userAccount.szPassword, "");

        RegWindow = false;
    }
    ImGui::SameLine();

    // Close current form (Registration of new user)
    if (ImGui::Button("Close"))
        RegWindow = false;

    if (RegWindowSetup)
        LogonWindow_RegisterSetup(pGame);

    ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(5, 0, 0, 0.5));
    ImGui::Text("Please do not use your private \npasswords.");
    ImGui::PopStyleColor(1);

    ImGui::End();
}

void LogonWindow_RegisterSetup(_GAME *pGame)
{
    ImGui::SetNextWindowPos(ImVec2(1360 / 2 - 100, 720 / 2 - 75));
    ImGui::SetNextWindowSize(ImVec2(265, 105));
    ImGui::Begin("New User Setup", 0, ImGuiWindowFlags_NoResize);
    ImGui::Text("Setting up HLOS for the first time.");
    ImGui::Text("Status: "); ImGui::SameLine();
}