#ifndef slic3r_TextConfiguration_hpp_
#define slic3r_TextConfiguration_hpp_

#include <vector>
#include <string>
#include <optional>

namespace Slic3r {

// user defined font property
struct FontProp
{
    // define extra space between letters, negative mean closer letter
    std::optional<int> char_gap;
    // define extra space between lines, negative mean closer lines
    std::optional<int> line_gap;
    // Z depth of text [in mm]
    float emboss;

    // positive value mean wider character shape
    // negative value mean tiner character shape
    std::optional<float> boldness; // [in mm]

    // positive value mean italic of character (CW)
    // negative value mean CCW skew (unItalic)
    std::optional<float> skew;

    // TODO: add enum class Align: center/left/right

    //////
    // Duplicit data to wxFontDescriptor
    // used for store/load .3mf file
    //////

    // Height of letter [in mm],
    // duplicit to wxFont::PointSize
    float size_in_mm;
    // Define type of font
    std::optional<std::string> family;
    std::optional<std::string> face_name;
    std::optional<std::string> style;
    std::optional<std::string> weight;

    FontProp(float line_height = 10.f, float depth = 2.f)
        : emboss(depth), size_in_mm(line_height)
    {}
};

// represent selected font
// Name must be human readable is visible in gui
// (Path + Type) must define how to open font for using on different OS
struct FontItem
{
    std::string name;
    std::string path;
    enum class Type;
    Type type;
    FontProp prop;

    FontItem() : type(Type::undefined){} // set undefined type

    // when name is empty than Font item was loaded from .3mf file 
    // and potentionaly it is not reproducable
    FontItem(const std::string &name,
             const std::string &path,
             Type               type,
             const FontProp &   prop)
        : name(name), path(path), type(type), prop(prop)
    {}

    // define data stored in path
    enum class Type { 
        undefined = 0,
        file_path, // TrueTypeFont file loacation on computer - for privacy: path is NOT stored into 3mf
        // wx font descriptors are platform dependent
        wx_win_font_descr, // path is font descriptor generated by wxWidgets on windows
        wx_lin_font_descr, // path is font descriptor generated by wxWidgets on windows
        wx_mac_font_descr // path is font descriptor generated by wxWidgets on windows
    };
};

// Font item name inside list is unique
// FontList is not map beacuse items order matters (view of list)
using FontList = std::vector<FontItem>;

// define how to create 'Text volume'
struct TextConfiguration
{
    // define font
    FontItem font_item;

    std::string text = "None";

    TextConfiguration() = default; // optional needs empty constructor
    TextConfiguration(const FontItem &font_item, const std::string &text)
        : font_item(font_item), text(text)
    {}
};    

} // namespace Slic3r

#endif // slic3r_TextConfiguration_hpp_