/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

You can contact Cyan Worlds, Inc. by email legal@cyan.com
 or by snail mail at:
      Cyan Worlds, Inc.
      14617 N Newport Hwy
      Mead, WA   99021

*==LICENSE==*/
// Migration.cpp : Defines the entry point for the application.
//
#include <windows.h>
#include <windowsx.h>
#include <process.h>
#include <commctrl.h>
#include "resource.h"
#include "Migration.h"

HINSTANCE gInstance;
HWND gDlg;
unsigned int gThreadID;

int gTaskItem = -1;
bool gTasksRunning = false;

LRESULT CALLBACK DlgProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);

int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
    InitCommonControls();

    HWND hWnd = CreateDialog(hInstance, MAKEINTRESOURCE(IDD_MAINDIALOG), NULL, (DLGPROC) DlgProc);

    gInstance = hInstance;
    gDlg = hWnd;

    ShowWindow(hWnd, SW_SHOW);

    // Main message loop:
    MSG msg;
    while (GetMessage(&msg, NULL, 0, 0)) 
    {
        if (!IsWindow(hWnd) || !IsDialogMessage(hWnd, &msg))
        {
            TranslateMessage(&msg);
            DispatchMessage(&msg);
        }
    }

    return msg.wParam;
}


// Mesage handler for dlg box.
LRESULT CALLBACK DlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
    LRESULT ret = FALSE;
    switch (message)
    {
        case WM_INITDIALOG:
            {
                HWND hListView = GetDlgItem(hDlg,IDC_TASKLIST);
                ListView_SetExtendedListViewStyleEx(hListView, LVS_EX_CHECKBOXES, LVS_EX_CHECKBOXES);
                LoadTasks(hListView);
                LoadTasks(hDlg);
                Button_SetCheck(GetDlgItem(hDlg,IDC_RADIOTEST),BST_CHECKED);
                ret = TRUE;
            }
            break;
        case WM_COMMAND:
            {
                switch (LOWORD(wParam))
                {
                case IDC_START:
                    // Start the migration Tasks
                    SetCursor(LoadCursor(NULL,IDC_WAIT));
                    Button_Enable(GetDlgItem(hDlg,IDC_START),FALSE);
                    Button_Enable(GetDlgItem(hDlg,IDC_STOP),TRUE);
                    Button_Enable(GetDlgItem(hDlg,IDC_RADIOTEST),FALSE);
                    Button_Enable(GetDlgItem(hDlg,IDC_RADIOLAST),FALSE);
                    Button_Enable(GetDlgItem(hDlg,IDC_RADIOBRANCH),FALSE);
                    _beginthreadex(NULL,0,RunTasks,NULL,0,&gThreadID);
                    gTasksRunning = true;
                    ret = TRUE;
                    break;
                case IDC_STOP:
                    // Stop the migration Tasks
                    SetCursor(LoadCursor(NULL,IDC_ARROW));
                    Button_Enable(GetDlgItem(hDlg,IDC_START),TRUE);
                    Button_Enable(GetDlgItem(hDlg,IDC_STOP),FALSE);
                    Button_Enable(GetDlgItem(hDlg,IDC_RADIOTEST),TRUE);
                    Button_Enable(GetDlgItem(hDlg,IDC_RADIOLAST),TRUE);
                    Button_Enable(GetDlgItem(hDlg,IDC_RADIOBRANCH),TRUE);
                    ListBox_SetCurSel(GetDlgItem(hDlg,IDC_TASKLIST),gTaskItem);
                    gTasksRunning = false;
                    ret = TRUE;
                    break;
                default:
                    break;
                }
            }
            break;
        case WM_NOTIFY:
            {
                switch ((int)wParam)
                {
                case IDC_TASKLIST:
                    {
                        NMHDR* hdr = (NMHDR*)lParam;
                        switch (hdr->code)
                        {
                        case LVN_ITEMCHANGED:
                            {
                                NMLISTVIEW* note = (NMLISTVIEW*)lParam;
                                if (note->iItem != -1)
                                {
                                    Static_SetText(GetDlgItem(hDlg,IDC_DESCRIPTION),(*(MigrationTaskList::GetInstance()->GetList()))[note->iItem]->GetDescription());
                                    (*(MigrationTaskList::GetInstance()->GetList()))[note->iItem]->SetEnabled(ListView_GetCheckState(hdr->hwndFrom, note->iItem) != 0);
                                    ret = true;
                                }
                            }
                            break;
                        }
                    }
                    break;
                }
            }
            break;
        case WM_CLOSE:
            PostQuitMessage(-1);
            break;
    }
    return ret;
}


MigrationTaskList::MigrationTaskList()
{
    static MigrationTask_Backup backup;
    static MigrationTask_CleanUp cleanUp;
    static MigrationTask_PatchBuilder patchBuilder;
    static MigrationTask_DataMigration dataMigration;
    static MigrationTask_InstallClient installClient;
    static MigrationTask_GenerateClientManifest generateClientManifest;
    static MigrationTask_DropStoredGames dropStoredGames;
    static MigrationTask_InstallAges installAges;
    static MigrationTask_CopyTestServers copyTestServers;
    static MigrationTask_StartLiveServers startLiveServers;

    fList.push_back(&backup);
    fList.push_back(&cleanUp);
    fList.push_back(&patchBuilder);
    fList.push_back(&dataMigration);
    fList.push_back(&installClient);
    fList.push_back(&generateClientManifest);
    fList.push_back(&dropStoredGames);
    fList.push_back(&installAges);
    fList.push_back(&copyTestServers);
    fList.push_back(&startLiveServers);
}

MigrationTaskList* MigrationTaskList::GetInstance()
{
    static MigrationTaskList mlist;
    return &mlist;
}

void LoadTasks(HWND hListView)
{
    MigrationTaskList::TaskList* tasktlist = MigrationTaskList::GetInstance()->GetList();

    MigrationTaskList::TaskList::iterator it = tasktlist->begin();
    int index = 0;
    while (it != tasktlist->end())
    {
        LVITEM item;
        ZeroMemory(&item,sizeof(item));
        item.pszText = (*it)->GetName();
        item.mask = LVIF_TEXT;
        item.iItem = index;
        ListView_InsertItem(hListView,&item);
        it++; index++;
    }
}

unsigned int __stdcall RunTasks(void* args)
{
    gTaskItem = 0;
    MigrationTaskList::TaskList* tasktlist = MigrationTaskList::GetInstance()->GetList();

    while(gTasksRunning && gTaskItem < tasktlist->size())
    {
        if ((*tasktlist)[gTaskItem]->GetEnabled())
        {
            if (Button_GetCheck(GetDlgItem(gDlg,IDC_RADIOTEST)) == BST_CHECKED)
                (*tasktlist)[gTaskItem]->SetServer(MigrationTask::kTest);
            if (Button_GetCheck(GetDlgItem(gDlg,IDC_RADIOLAST)) == BST_CHECKED)
                (*tasktlist)[gTaskItem]->SetServer(MigrationTask::kLast);
            if (Button_GetCheck(GetDlgItem(gDlg,IDC_RADIOBRANCH)) == BST_CHECKED)
                (*tasktlist)[gTaskItem]->SetServer(MigrationTask::kBranch);

            ListBox_SetCurSel(GetDlgItem(gDlg,IDC_TASKLIST),gTaskItem);
            Static_SetText(GetDlgItem(gDlg,IDC_DESCRIPTION),(*tasktlist)[gTaskItem]->GetDescription());
            gTasksRunning = (*tasktlist)[gTaskItem]->Run(gInstance,gDlg) == 0;
        }
        gTaskItem++;
    }

    gTaskItem = -1;
    SendMessage(gDlg,WM_COMMAND,MAKEWPARAM(IDC_STOP,BN_CLICKED),WPARAM(GetDlgItem(gDlg,IDC_STOP)));

    return 0;
}