//==========================================================================//
//                                  Includes                                //
//==========================================================================//

#include <stdio.h>

#include "perfmon.h"          // included by all source
#include "timefrm.h"          // external declarations for this file

#include "alert.h"            // for PlaybackAlert
#include "grafdata.h"         // for PlaybackChart
#include "perfmops.h"         // for PerfmonViewWindow
#include "playback.h"         // for PlaybackIndexN
#include "report.h"           // for PlaybackReport
#include "timeline.h"         // for TL_INTERVAL
#include "utils.h"
#include "pmhelpid.h"         // for Help IDs

//==========================================================================//
//                                Local Data                                //
//==========================================================================//

static RECT    TFrameRectWindow ;

//==========================================================================//
//                              Local Functions                             //
//==========================================================================//
void
ClearSystemTime (
                SYSTEMTIME *pSystemTime
                )
{
    pSystemTime->wYear = 0 ;
    pSystemTime->wMonth = 0 ;
    pSystemTime->wDayOfWeek = 0 ;
    pSystemTime->wDay = 0 ;
    pSystemTime->wHour = 0 ;
    pSystemTime->wMinute = 0 ;
    pSystemTime->wSecond = 0 ;
    pSystemTime->wMilliseconds = 0 ;
}


//==========================================================================//
//                              Message Handlers                            //
//==========================================================================//

void
static
OnInitDialog (
             HDLG hDlg
             )
{
    PBOOKMARK      pBookmark ;
    int            iIndex ;
    TCHAR          szText [20+20+BookmarkCommentLen] ;
    TCHAR          szDate [20] ;
    TCHAR          szTime [20] ;
    int            iBookmarksNum ;
    HWND           hWndTLine ;
    HWND           hWndBookmarks ;
    int            currentTextExtent = 0 ;
    int            maxTextExtent = 0 ;
    HDC            hDC = 0 ;
    HFONT          hFont ;

    hWndTLine = DialogControl (hDlg, IDD_TIMEFRAMETIMELINE) ;
    hWndBookmarks = DialogControl (hDlg, IDD_TIMEFRAMEBOOKMARKS) ;
    SetFont (hWndBookmarks, hFontScales) ;
    LBSetHorzExtent (hWndBookmarks, 0) ;

    TLineSetRange (hWndTLine, 0, PlaybackLog.iTotalTics - 1) ;
    TLineSetStart (hWndTLine, PlaybackLog.StartIndexPos.iPosition) ;
    TLineSetStop (hWndTLine, PlaybackLog.StopIndexPos.iPosition) ;

    iBookmarksNum = 0 ;
    pBookmark = PlaybackLog.pBookmarkFirst ;

    if (pBookmark) {
        hDC = GetDC (hWndBookmarks) ;
        if (hDC) {
            hFont = (HFONT)SendMessage(hWndBookmarks, WM_GETFONT, 0, 0L);
            if (hFont)
                SelectObject(hDC, hFont);
        }

        while (pBookmark) {
            SystemTimeDateString (&(pBookmark->SystemTime), szDate) ;
            SystemTimeTimeString (&(pBookmark->SystemTime), szTime, TRUE) ;
            TSPRINTF (szText, TEXT(" %s  %s  %s"),
                      szDate, szTime,
                      pBookmark->szComment) ;
            LBSetData (hWndBookmarks, LBAdd (hWndBookmarks, szText), pBookmark->iTic) ;

            // get the biggest text width
            if (hDC) {
                currentTextExtent = TextWidth (hDC, szText) + xScrollWidth / 2 ;
                if (currentTextExtent > maxTextExtent) {
                    maxTextExtent = currentTextExtent ;
                }
            }

            pBookmark = pBookmark->pBookmarkNext ;
        }

        LBSetSelection (hWndBookmarks, 0) ;

        iBookmarksNum = LBNumItems (hWndBookmarks) ;
    }

    if (iBookmarksNum == 0) {
        DialogEnable (hDlg, IDD_TIMEFRAMEBOOKMARKS, FALSE) ;
        DialogEnable (hDlg, IDD_TIMEFRAMEBOOKMARKGRP, FALSE) ;
        DialogEnable (hDlg, IDD_TIMEFRAMESETSTART, FALSE) ;
        DialogEnable (hDlg, IDD_TIMEFRAMESETSTOP, FALSE) ;
    } else {
        LBSetHorzExtent (hWndBookmarks, maxTextExtent) ;
    }

    if (hDC) {
        ReleaseDC (hWndBookmarks, hDC) ;
    }

    if (TFrameRectWindow.right == TFrameRectWindow.left) {
        // we have not initialize this data yet.
        // will get init. after the first time frame window invoke
        WindowCenter (hDlg) ;
    } else {
        // show it in its previous position
        MoveWindow (hDlg,
                    TFrameRectWindow.left,
                    TFrameRectWindow.top,
                    TFrameRectWindow.right - TFrameRectWindow.left,
                    TFrameRectWindow.bottom - TFrameRectWindow.top,
                    TRUE) ;
    }

    dwCurrentDlgID = HC_PM_idDlgEditTimeFrame ;

}


void
static
OnTLineInterval (
                HDLG hDlg,
                int iInterval,
                SYSTEMTIME *pSystemTime
                )
{
    PLOGINDEX      pIndex ;


    pIndex = PlaybackIndexN (iInterval) ;

    if (pIndex)
        *pSystemTime = pIndex->SystemTime ;
    else
        ClearSystemTime (pSystemTime) ;
}


void
static
OnOK (
     HDLG hDlg
     )
{
    LOGPOSITION    lp ;
    int            iIndex ;
    HWND           hWndTLine = DialogControl (hDlg, IDD_TIMEFRAMETIMELINE) ;

    iIndex = TLineStart (hWndTLine) ;
    if (LogPositionN (iIndex, &lp))
        PlaybackLog.StartIndexPos = lp ;

    iIndex = TLineStop (hWndTLine) ;
    if (LogPositionN (iIndex, &lp))
        PlaybackLog.StopIndexPos = lp ;


    PlaybackLog.iSelectedTics =
    PlaybackLog.StopIndexPos.iPosition -
    PlaybackLog.StartIndexPos.iPosition + 1 ;

    PlaybackChart (hWndGraph) ;
    PlaybackAlert (hWndAlert, 0) ;
    PlaybackReport (hWndReport) ;

    WindowInvalidate (PerfmonViewWindow ()) ;

    GetWindowRect (hDlg, &TFrameRectWindow) ;

    dwCurrentDlgID = 0 ;
}

void
static
OnCancel (
         HWND hWnd
         )
{
    HDC            hGraphDC ;
    PGRAPHSTRUCT   pGraph ;

    hGraphDC = GetDC (hWndGraph) ;
    if (!hGraphDC)
        return;
    pGraph = GraphData (hWndGraph) ;
    if (!pGraph) {
        ReleaseDC(hWndGraph, hGraphDC);
        return ;
    }

    TLineRedraw (hGraphDC, pGraph) ;

    GetWindowRect (hWnd, &TFrameRectWindow) ;

    dwCurrentDlgID = 0 ;
}


void
OnSetStartStop (
               HWND hDlg,
               BOOL bSetStart
               )
{
    int        iTic ;
    int        iStopTic ;
    int        iStartTic ;
    HWND       hWndTLine = DialogControl (hDlg, IDD_TIMEFRAMETIMELINE) ;
    HWND       hWndBookmarks = DialogControl (hDlg, IDD_TIMEFRAMEBOOKMARKS) ;

    iStartTic = TLineStart (hWndTLine) ;
    iStopTic = TLineStop (hWndTLine) ;

    iTic = (int)LBData (hWndBookmarks, LBSelection (hWndBookmarks)) ;
    if ((bSetStart && iStopTic <= iTic) ||
        (!bSetStart && iStartTic >= iTic)) {
        DlgErrorBox (hDlg, ERR_STOPBEFORESTART) ;
    } else {
        if (bSetStart) {
            TLineSetStart (hWndTLine, iTic) ;
        } else {
            TLineSetStop (hWndTLine, iTic) ;
        }
        WindowInvalidate (hWndTLine) ;
    }
}


//==========================================================================//
//                             Exported Functions                           //
//==========================================================================//


INT_PTR
TimeframeDlgProc (
                 HWND hDlg,
                 UINT iMessage,
                 WPARAM wParam,
                 LPARAM lParam
                 )
{
    BOOL           bHandled ;

    bHandled = TRUE ;
    switch (iMessage) {
        case TL_INTERVAL:
            OnTLineInterval (hDlg, (int)wParam, (SYSTEMTIME *) lParam) ;
            break ;

        case WM_INITDIALOG:
            OnInitDialog (hDlg) ;
            return  (TRUE) ;

        case WM_CLOSE:
            OnCancel (hDlg) ;
            EndDialog (hDlg, 0) ;
            break ;

        case WM_COMMAND:
            switch (wParam) {
                case IDD_OK:
                    SetHourglassCursor() ;
                    OnOK (hDlg) ;
                    SetArrowCursor() ;
                    EndDialog (hDlg, 1) ;
                    break ;

                case IDD_TIMEFRAMESETSTART:
                case IDD_TIMEFRAMESETSTOP:
                    OnSetStartStop (hDlg, wParam == IDD_TIMEFRAMESETSTART) ;
                    break ;

                case IDD_CANCEL:
                    OnCancel (hDlg) ;
                    GetWindowRect (hDlg, &TFrameRectWindow) ;
                    EndDialog (hDlg, 0) ;
                    break ;

                case IDD_TIMEFRAMEHELP:
                    CallWinHelp (dwCurrentDlgID, hDlg) ;
                    break ;

                default:
                    bHandled = FALSE ;
                    break;
            }
            break;


        default:
            bHandled = FALSE ;
            break ;
    }

    return (bHandled) ;
}

BOOL
SetTimeframe (
             HWND hWndParent
             )
{
    if (DialogBox (hInstance, idDlgTimeframe, hWndParent, TimeframeDlgProc)) {
        return (TRUE) ;
    }
    return (FALSE) ;
}