#include "displaymenu.h"

cFlatDisplayMenu::cFlatDisplayMenu(void) {
    CreateFullOsd();
    TopBarCreate();
    ButtonsCreate();
    MessageCreate();

    VideoDiskUsageState = -1;
    
    itemHeight = fontHeight + Config.MenuItemPadding + Config.decorBorderMenuItemSize*2;
    itemChannelHeight = fontHeight + Config.MenuItemPadding + Config.decorBorderMenuItemSize*2;
    
    scrollBarWidth = ScrollBarWidth() + Config.MenuItemPadding;
    scrollBarHeight = osdHeight - (topBarHeight + Config.decorBorderTopBarSize*2 + 
        buttonsHeight + Config.decorBorderButtonSize*2 + marginItem*3 );
    scrollBarTop = topBarHeight + marginItem + Config.decorBorderTopBarSize*2;

    menuWidth = osdWidth - scrollBarWidth;
    menuTop = topBarHeight + marginItem + Config.decorBorderTopBarSize*2 + Config.decorBorderMenuItemSize;
    menuPixmap = osd->CreatePixmap(1, cRect(0, menuTop, menuWidth, scrollBarHeight ));
    
    chLeft = Config.decorBorderMenuContentHeadSize;
    chTop = topBarHeight + marginItem + Config.decorBorderTopBarSize*2 + Config.decorBorderMenuContentHeadSize;
    chWidth = menuWidth - Config.decorBorderMenuContentHeadSize*2;
    chHeight = fontHeight + fontSmlHeight*2 + marginItem*2;
    contentHeadPixmap = osd->CreatePixmap(1, cRect(chLeft, chTop, chWidth, chHeight));
    
    cLeft = Config.decorBorderMenuContentSize;
    cTop = chTop + marginItem*3 + fontHeight + fontSmlHeight*2 +
        Config.decorBorderMenuContentSize + Config.decorBorderMenuContentHeadSize;
    cWidth = menuWidth - Config.decorBorderMenuContentSize*2;
    cHeight = osdHeight - (topBarHeight + Config.decorBorderTopBarSize*2 +
        buttonsHeight + Config.decorBorderButtonSize*2 + marginItem*3 + 
        chHeight + Config.decorBorderMenuContentHeadSize*2 + Config.decorBorderMenuContentSize*2);
    ContentCreate(cLeft, cTop, cWidth, cHeight, false);

    scrollbarPixmap = osd->CreatePixmap(2, cRect(osdWidth - scrollBarWidth, scrollBarTop, scrollBarWidth, scrollBarHeight));

    menuPixmap->Fill(clrTransparent);
    scrollbarPixmap->Fill(clrTransparent);
    
    menuCategory = mcUndefined;
}

cFlatDisplayMenu::~cFlatDisplayMenu() {
    osd->DestroyPixmap(menuPixmap);
    osd->DestroyPixmap(scrollbarPixmap);
    osd->DestroyPixmap(contentHeadPixmap);
}

void cFlatDisplayMenu::SetMenuCategory(eMenuCategory MenuCategory) {
    menuCategory = MenuCategory;
}

void cFlatDisplayMenu::DrawScrollbar(int Total, int Offset, int Shown, int Top, int Height, bool CanScrollUp, bool CanScrollDown) {
    ScrollbarDraw(scrollbarPixmap, Config.MenuItemPadding, Top, Height, Total, Offset, Shown, CanScrollUp, CanScrollDown);
}

void cFlatDisplayMenu::SetScrollbar(int Total, int Offset) {
    DrawScrollbar(Total, Offset, MaxItems(), 0, ItemsHeight(), Offset > 0, Offset + MaxItems() < Total);
}

void cFlatDisplayMenu::Scroll(bool Up, bool Page) {
    // Wird das Menü gescrollt oder Content?
    if( ContentIsShown() )
    {
        bool scrolled = ContentScroll(Up, Page);
        if( scrolled )
        {
            DrawScrollbar(ContentScrollTotal(), ContentScrollOffset(), ContentVisibleLines(), contentTop - scrollBarTop, ContentGetHeight(), ContentScrollOffset() > 0, ContentScrollOffset() + ContentVisibleLines() < ContentScrollTotal());
        }
    } else {
        cSkinDisplayMenu::Scroll(Up, Page);
    }
}

int cFlatDisplayMenu::MaxItems(void) {
    if( menuCategory == mcChannel )
        return scrollBarHeight / itemChannelHeight;

    return scrollBarHeight / itemHeight;
}

int cFlatDisplayMenu::ItemsHeight(void) {
    if( menuCategory == mcChannel )
        return MaxItems() * itemChannelHeight - Config.MenuItemPadding;

    return MaxItems() * itemHeight - Config.MenuItemPadding;
}

void cFlatDisplayMenu::Clear(void) {
    textScroller.Reset();
    menuPixmap->Fill(clrTransparent);
    scrollbarPixmap->Fill(clrTransparent);
    contentHeadPixmap->Fill(clrTransparent);
    ContentClear();
    DecorBorderClearAll();
    // DecorBorderClearByFrom( BorderMenuItem );
}

void cFlatDisplayMenu::SetTitle(const char *Title) {
    if( (menuCategory == mcRecording || menuCategory == mcTimer) && Config.DiskUsageShow ) {
        cVideoDiskUsage::HasChanged(VideoDiskUsageState);
        int DiskUsage = cVideoDiskUsage::UsedPercent();
        double FreeGB = cVideoDiskUsage::FreeMB() / 1024.0;
        int FreeMinutes = cVideoDiskUsage::FreeMinutes();
        cString extra1 = cString::sprintf("%s: %d%%", tr("disk usage"), DiskUsage);
        cString extra2 = cString::sprintf("%s: %.1f GB ~ %02d:%02d", tr("free"), FreeGB, FreeMinutes / 60, FreeMinutes % 60);

        cString iconName("chart1");
        if( DiskUsage > 14 )
            iconName = "chart2";
        if( DiskUsage > 28 )
            iconName = "chart3";
        if( DiskUsage > 42 )
            iconName = "chart4";
        if( DiskUsage > 56 )
            iconName = "chart5";
        if( DiskUsage > 70 )
            iconName = "chart6";
        if( DiskUsage > 84 )
            iconName = "chart7";
        
        TopBarSetTitle(Title);
        TopBarSetTitleExtra(extra1, extra2);
        TopBarSetExtraIcon(iconName);
    } else
        TopBarSetTitle(Title);
}

void cFlatDisplayMenu::SetButtons(const char *Red, const char *Green, const char *Yellow, const char *Blue) {
    ButtonsSet(Red, Green, Yellow, Blue);
}

void cFlatDisplayMenu::SetMessage(eMessageType Type, const char *Text) {
    if (Text)
        MessageSet(Type, Text);
    else
        MessageClear();
}

void cFlatDisplayMenu::SetItem(const char *Text, int Index, bool Current, bool Selectable) {
    int y = Index * itemHeight;
    tColor ColorFg, ColorBg;
    if (Current) {
        ColorFg = Theme.Color(clrItemCurrentFont);
        ColorBg = Theme.Color(clrItemCurrentBg);
    }
    else {
        if( Selectable ) {
            ColorFg = Theme.Color(clrItemSelableFont);
            ColorBg = Theme.Color(clrItemSelableBg);
        } else {
            ColorFg = Theme.Color(clrItemFont);
            ColorBg = Theme.Color(clrItemBg);
        }
    }

    for (int i = 0; i < MaxTabs; i++)
    {
        const char *s = GetTabbedText(Text, i);
        if (s) {
            int xt = Tab(i);
            if( CheckProgressBar( s ) ) {
                int colWidth = Tab(i+1) - Tab(i);

                tColor ColorFg = Config.decorProgressMenuItemFg;
                tColor ColorBarFg = Config.decorProgressMenuItemBarFg;
                tColor ColorBg = Config.decorProgressMenuItemBg;
                if( Current ) {
                    ColorFg = Config.decorProgressMenuItemCurFg;
                    ColorBarFg = Config.decorProgressMenuItemCurBarFg;
                    ColorBg = Config.decorProgressMenuItemCurBg;
                }
                DrawProgressBarFromText(y + (itemHeight-Config.MenuItemPadding)/2 - Config.decorProgressMenuItemSize/2 - Config.decorBorderMenuItemSize,
                    xt + Config.decorBorderMenuItemSize, colWidth, s, ColorFg, ColorBarFg, ColorBg);
            } else {
                menuPixmap->DrawText(cPoint(xt + Config.decorBorderMenuItemSize, y), s, ColorFg, ColorBg, font,
                    menuWidth - Config.decorBorderMenuItemSize*2 - xt);
            }
        }
        if (!Tab(i + 1))
            break;
    }

    int left = Config.decorBorderMenuItemSize;
    int top = topBarHeight + marginItem + Config.decorBorderTopBarSize*2 + Config.decorBorderMenuItemSize + y;

    if( Current )
        DecorBorderDraw(left, top, menuWidth - Config.decorBorderMenuItemSize*2, fontHeight,
            Config.decorBorderMenuItemSize, Config.decorBorderMenuItemType, Config.decorBorderMenuItemCurFg,
            Config.decorBorderMenuItemCurBg, BorderMenuItem);
    else {
        if( Selectable )
            DecorBorderDraw(left, top, menuWidth - Config.decorBorderMenuItemSize*2, fontHeight,
                Config.decorBorderMenuItemSize, Config.decorBorderMenuItemType, Config.decorBorderMenuItemSelFg,
                Config.decorBorderMenuItemSelBg, BorderMenuItem);
        else
            DecorBorderDraw(left, top, menuWidth - Config.decorBorderMenuItemSize*2, fontHeight,
                Config.decorBorderMenuItemSize, Config.decorBorderMenuItemType, Config.decorBorderMenuItemFg,
                Config.decorBorderMenuItemBg, BorderMenuItem);
    }
    
    SetEditableWidth(menuWidth - Tab(1));
}

bool cFlatDisplayMenu::CheckProgressBar(const char *text) {
    if (strlen(text) > 5 
        && text[0] == '[' 
        && ((text[1] == '|')||(text[1] == ' ')) 
        && ((text[2] == '|')||(text[2] == ' ')) 
        && text[strlen(text) - 1] == ']')
        return true;
    return false;
}

void cFlatDisplayMenu::DrawProgressBarFromText(int Top, int Left, int Width, const char *bar, tColor ColorFg, tColor ColorBarFg, tColor ColorBg) {
    const char *p = bar + 1;
    bool isProgressbar = true;
    int total = 0;
    int now = 0;
    for (; *p != ']'; ++p) {
        if (*p == ' ' || *p == '|') {
            ++total;
            if (*p == '|')
                ++now;
        } else {
            isProgressbar = false;
            break;
        }
    }
    if (isProgressbar) {
        double progress = (double)now/(double)total;
        ProgressBarDrawRaw(menuPixmap, menuPixmap, cRect(Left, Top, Width, Config.decorProgressMenuItemSize),
            cRect(Left, Top, Width, Config.decorProgressMenuItemSize), progress*total, total,
            ColorFg, ColorBarFg, ColorBg, Config.decorProgressMenuItemType);
    }
}

/*
bool cFlatDisplayMenu::SetItemChannel(const cChannel *Channel, int Index, bool Current, bool Selectable, bool WithProvider) {
    cSchedulesLock schedulesLock;
    const cSchedules *schedules = cSchedules::Schedules(schedulesLock);

    cString buffer;
    int y = Index * itemChannelHeight;
    
    tColor ColorFg, ColorBg;
    if (Current) {
        ColorFg = Theme.Color(clrItemCurrentFont);
        ColorBg = Theme.Color(clrItemCurrentBg);
    }
    else {
        if( Selectable ) {
            ColorFg = Theme.Color(clrItemSelableFont);
            ColorBg = Theme.Color(clrItemSelableBg);
        } else {
            ColorFg = Theme.Color(clrItemFont);
            ColorBg = Theme.Color(clrItemBg);
        }
    }
    menuPixmap->DrawRectangle(cRect(0, y, menuWidth, itemChannelHeight - paddingMenuItem), ColorBg);
    
    // event from channel
    const cSchedule *Schedule = schedules->GetSchedule( Channel->GetChannelID() );
    if( Schedule ) {
        const cEvent *Event = Schedule->GetPresentEvent();
        if( Event ) {
            // calculate progress bar
            float progress = (int)roundf( (float)(time(NULL) - Event->StartTime()) / (float) (Event->Duration()) * 100.0);
            if(progress < 0)
                progress = 0.;
            else if(progress > 100)
                progress = 100;

            if( WithProvider )
                buffer = cString::sprintf("%d\t%s - %s", Channel->Number(), Channel->Provider(), Channel->Name());
            else
                buffer = cString::sprintf("%d\t%s", Channel->Number(), Channel->Name());

            const char *s1 = GetTabbedText(buffer, 0);
            if( s1 ) {
                int xt = Tab(0);
                menuPixmap->DrawText(cPoint(marginItem + xt, y), s1, ColorFg, ColorBg, font);
            }
            const char *s2 = GetTabbedText(buffer, 1);
            if( s2 ) {
                int xt = Tab(1);
                int w = (menuWidth / 10 * 3) - marginItem;
                menuPixmap->DrawText(cPoint(marginItem + xt, y), s2, ColorFg, ColorBg, font, w);
            }
            
            menuPixmap->DrawRectangle(cRect( (menuWidth/10*3) + marginItem, y, marginItem, fontHeight), ColorBg);
            
            if( Current )
                ProgressBarDrawInline(menuPixmap, (menuWidth/10*3) + marginItem*2, y, menuWidth/10 - marginItem, fontHeight,
                    progress, 100, Theme.Color(clrMenuItemChanCurProgressFg), Theme.Color(clrMenuItemChanCurProgressBarFg),
                    Theme.Color(clrMenuItemChanCurProgressBg));
            else
                ProgressBarDrawInline(menuPixmap, (menuWidth/10*3) + marginItem*2, y, menuWidth/10 - marginItem, fontHeight,
                    progress, 100, Theme.Color(clrMenuItemChanProgressFg), Theme.Color(clrMenuItemChanProgressBarFg),
                    Theme.Color(clrMenuItemChanProgressBg));
            menuPixmap->DrawText(cPoint((menuWidth / 10 * 4) + marginItem*2, y), Event->Title(), ColorFg, ColorBg, font);
            
            return true;
        }
    }

    // without schedule, do it like vdr
    if (!Channel->GroupSep()) {
        if( WithProvider )
            buffer = cString::sprintf("%d\t%s - %s", Channel->Number(), Channel->Provider(), Channel->Name());
        else
            buffer = cString::sprintf("%d\t%s", Channel->Number(), Channel->Name());

        const char *s1 = GetTabbedText(buffer, 0);
        if( s1 ) {
            int xt = Tab(0);
            menuPixmap->DrawText(cPoint(marginItem + xt, y), s1, ColorFg, ColorBg, font);
        }
        const char *s2 = GetTabbedText(buffer, 1);
        if( s2 ) {
            int xt = Tab(1);
            int w = (menuWidth / 10 * 3) - marginItem;

            menuPixmap->DrawText(cPoint(marginItem + xt, y), s2, ColorFg, ColorBg, font, w);
        }
    }
    else {
        buffer = cString::sprintf("---%s ----------------------------------------------------------------", Channel->Name());
        menuPixmap->DrawText(cPoint(marginItem, y), buffer, ColorFg, ColorBg, font);
    }

    return true;
}
*/

void cFlatDisplayMenu::SetEvent(const cEvent *Event) {
    if( !Event )
        return;

    contentHeadPixmap->Fill(clrTransparent);
    contentHeadPixmap->DrawRectangle(cRect(0, 0, menuWidth, fontHeight + fontSmlHeight*2 + marginItem*2), Theme.Color(clrScrollbarBg));

    cString date = Event->GetDateString();
    cString startTime = Event->GetTimeString();
    cString endTime = Event->GetEndTimeString();

    cString timeString = cString::sprintf("%s %s - %s", *date, *startTime, *endTime);

    cString title = Event->Title();
    cString shortText = Event->ShortText();

    contentHeadPixmap->DrawText(cPoint(marginItem, marginItem), timeString, Theme.Color(clrMenuEventFontInfo), Theme.Color(clrMenuEventBg), fontSml, menuWidth - marginItem*2);
    contentHeadPixmap->DrawText(cPoint(marginItem, marginItem + fontSmlHeight), title, Theme.Color(clrMenuEventFontTitle), Theme.Color(clrMenuEventBg), font, menuWidth - marginItem*2);
    contentHeadPixmap->DrawText(cPoint(marginItem, marginItem + fontSmlHeight + fontHeight), shortText, Theme.Color(clrMenuEventFontInfo), Theme.Color(clrMenuEventBg), fontSml, menuWidth - marginItem*2);

    DecorBorderDraw(chLeft, chTop, chWidth, chHeight, Config.decorBorderMenuContentHeadSize, Config.decorBorderMenuContentHeadType,
        Config.decorBorderMenuContentHeadFg, Config.decorBorderMenuContentHeadBg);
    
    ContentSet( Event->Description(), false, Theme.Color(clrMenuEventFontInfo), Theme.Color(clrMenuEventBg) );
    if( ContentScrollable() )
        DrawScrollbar(ContentScrollTotal(), ContentScrollOffset(), ContentVisibleLines(), contentTop - scrollBarTop, ContentGetHeight(), ContentScrollOffset() > 0, ContentScrollOffset() + ContentVisibleLines() < ContentScrollTotal());

    DecorBorderDraw(cLeft, cTop, cWidth, ContentGetHeight(), Config.decorBorderMenuContentSize, Config.decorBorderMenuContentType,
        Config.decorBorderMenuContentFg, Config.decorBorderMenuContentBg);
}

void cFlatDisplayMenu::SetRecording(const cRecording *Recording) {
    if( !Recording )
        return;
    contentHeadPixmap->Fill(clrTransparent);
    contentHeadPixmap->DrawRectangle(cRect(0, 0, menuWidth, fontHeight + fontSmlHeight*2 + marginItem*2), Theme.Color(clrScrollbarBg));

    const cRecordingInfo *recInfo = Recording->Info();
    cString timeString = cString::sprintf("%s  %s  %s", *DateString(Recording->Start()), *TimeString(Recording->Start()), recInfo->ChannelName() ? recInfo->ChannelName() : "");

    cString title = recInfo->Title();
    if( isempty(title) )
        title = Recording->Name();
    cString shortText = recInfo->ShortText();

    contentHeadPixmap->DrawText(cPoint(marginItem, marginItem), timeString, Theme.Color(clrMenuRecFontInfo), Theme.Color(clrMenuRecBg), fontSml, menuWidth - marginItem*2);
    contentHeadPixmap->DrawText(cPoint(marginItem, marginItem + fontSmlHeight), title, Theme.Color(clrMenuRecFontTitle), Theme.Color(clrMenuRecBg), font, menuWidth - marginItem*2);
    contentHeadPixmap->DrawText(cPoint(marginItem, marginItem + fontSmlHeight + fontHeight), shortText, Theme.Color(clrMenuRecFontInfo), Theme.Color(clrMenuRecBg), fontSml, menuWidth - marginItem*2);

    DecorBorderDraw(chLeft, chTop, chWidth, chHeight, Config.decorBorderMenuContentHeadSize, Config.decorBorderMenuContentHeadType,
        Config.decorBorderMenuContentHeadFg, Config.decorBorderMenuContentHeadBg);
    
    ContentSet( recInfo->Description(), false, Theme.Color(clrMenuRecFontInfo), Theme.Color(clrMenuRecBg) );
    if( ContentScrollable() )
        DrawScrollbar(ContentScrollTotal(), ContentScrollOffset(), ContentVisibleLines(), contentTop - scrollBarTop, ContentGetHeight(), ContentScrollOffset() > 0, ContentScrollOffset() + ContentVisibleLines() < ContentScrollTotal());

    DecorBorderDraw(cLeft, cTop, cWidth, ContentGetHeight(), Config.decorBorderMenuContentSize, Config.decorBorderMenuContentType,
        Config.decorBorderMenuContentFg, Config.decorBorderMenuContentBg);
}

void cFlatDisplayMenu::SetText(const char *Text, bool FixedFont) {
    if( !Text )
        return;
    contentHeadPixmap->Fill(clrTransparent);

    int Left = Config.decorBorderMenuContentSize;
    int Top = topBarHeight + marginItem + Config.decorBorderTopBarSize*2 + Config.decorBorderMenuContentHeadSize;
    int Width = menuWidth - Config.decorBorderMenuContentSize*2;
    int Height = osdHeight - (topBarHeight + Config.decorBorderTopBarSize*2 +
        buttonsHeight + Config.decorBorderButtonSize*2 + marginItem*3);
    ContentCreate(Left, Top, Width, Height, FixedFont);

    ContentSet( Text, FixedFont, Theme.Color(clrMenuTextFont), Theme.Color(clrMenuTextBg) );
    if( ContentScrollable() )
        DrawScrollbar(ContentScrollTotal(), ContentScrollOffset(), ContentVisibleLines(), contentTop - scrollBarTop, ContentGetHeight(), ContentScrollOffset() > 0, ContentScrollOffset() + ContentVisibleLines() < ContentScrollTotal());

    DecorBorderDraw(Left, Top, Width, ContentGetHeight(), Config.decorBorderMenuContentSize, Config.decorBorderMenuContentType,
        Config.decorBorderMenuContentFg, Config.decorBorderMenuContentBg);
}

int cFlatDisplayMenu::GetTextAreaWidth(void) const {
    return menuWidth - (marginItem*2);
}

const cFont *cFlatDisplayMenu::GetTextAreaFont(bool FixedFont) const {
    const cFont *rfont = FixedFont ? fontFixed : font;
    return rfont;
}

void cFlatDisplayMenu::Flush(void) {
    TopBarUpdate();
    osd->Flush();
}