// ================================================================================
// ==      This file is a part of Turbo Badger. (C) 2011-2014, Emil Segerås      ==
// ==                     See tb_core.h for more information.                    ==
// ================================================================================

#include "tb_style_edit.h"
#include "tb_style_edit_content.h"
#include <assert.h>

namespace tb {

// == TBTextFragmentContentFactory ==========================================================================

int TBTextFragmentContentFactory::GetContent(const char *text)
{
    if (text[0] == '<')
    {
        int i = 0;
        while (text[i] != '>' && text[i] > 31)
            i++;
        if (text[i] == '>')
        {
            i++;
            return i;
        }
    }
    return 0;
}

TBTextFragmentContent *TBTextFragmentContentFactory::CreateFragmentContent(const char *text, int text_len)
{
    if (strncmp(text, "<hr>", text_len) == 0)
        return new TBTextFragmentContentHR(100, 2);
    else if (strncmp(text, "<u>", text_len) == 0)
        return new TBTextFragmentContentUnderline();
    else if (strncmp(text, "<color ", MIN(text_len, 7)) == 0)
    {
        TBColor color;
        color.SetFromString(text + 7, text_len - 8);
        return new TBTextFragmentContentTextColor(color);
    }
    else if (strncmp(text, "</", MIN(text_len, 2)) == 0)
        return new TBTextFragmentContentStylePop();
    return nullptr;
}

// == PHorizontalLineContent ================================================================================

TBTextFragmentContentHR::TBTextFragmentContentHR(int32 width_in_percent, int32 height)
    : width_in_percent(width_in_percent)
    , height(height)
{
}

void TBTextFragmentContentHR::Paint(TBTextFragment *fragment, int32 translate_x, int32 translate_y, TBTextProps *props)
{
    int x = translate_x + fragment->xpos;
    int y = translate_y + fragment->ypos;

    int w = fragment->block->styledit->layout_width * width_in_percent / 100;
    x += (fragment->block->styledit->layout_width - w) / 2;

    TBStyleEditListener *listener = fragment->block->styledit->listener;
    listener->DrawRectFill(TBRect(x, y, w, height), props->data->text_color);
}

int32 TBTextFragmentContentHR::GetWidth(TBFontFace *font, TBTextFragment *fragment) { return MAX(fragment->block->styledit->layout_width, 0); }

int32 TBTextFragmentContentHR::GetHeight(TBFontFace *font, TBTextFragment *fragment) { return height; }

// ============================================================================

void TBTextFragmentContentUnderline::Paint(TBTextFragment *fragment, int32 translate_x, int32 translate_y, TBTextProps *props)
{
    if (TBTextProps::Data *data = props->Push())
        data->underline = true;
}

void TBTextFragmentContentTextColor::Paint(TBTextFragment *fragment, int32 translate_x, int32 translate_y, TBTextProps *props)
{
    if (TBTextProps::Data *data = props->Push())
        data->text_color = color;
}

void TBTextFragmentContentStylePop::Paint(TBTextFragment *fragment, int32 translate_x, int32 translate_y, TBTextProps *props)
{
    props->Pop();
}

}; // namespace tb