#include "editor.h"
#include "raylib.h"
#include <stdint.h>
#include <stdio.h>

#include <ft2build.h>
#include <stdlib.h>
#include FT_FREETYPE_H

FT_Library library;
FT_Face face;

EditorState editor_state;
Font editor_font;

#define ERROR(module, error)                                                   \
    {                                                                          \
        printf("ERROR (%s): %s\n", (module), (error));                         \
    }

int main() {
    FT_Error error = FT_Init_FreeType(&library);
    if (error) {
        ERROR("freetype", FT_Error_String(error))
        exit(EXIT_FAILURE);
    }

    error = FT_New_Face(library, "/usr/share/fonts/noto/NotoSans-Regular.ttf",
                        0, &face);

    if (error) {
        ERROR("freetype", FT_Error_String(error))
        exit(EXIT_FAILURE);
    }

    error = FT_Set_Char_Size(face, 0, 16 * 18, 800, 600);

    if (error) {
        ERROR("freetype", FT_Error_String(error))
        exit(EXIT_FAILURE);
    }

    FT_UInt idx = FT_Get_Char_Index(face, '&');
    printf("Index: %d\n", idx);

    error = FT_Load_Glyph(face, 32, FT_LOAD_DEFAULT);

    if (error) {
        ERROR("freetype", FT_Error_String(error))
        exit(EXIT_FAILURE);
    }

    error = FT_Render_Glyph(face->glyph, FT_RENDER_MODE_NORMAL);

    if (error) {
        ERROR("freetype", FT_Error_String(error))
        exit(EXIT_FAILURE);
    }

    FT_GlyphSlot slot = face->glyph;

    sds init_text = sdsnew("Das ist nur ein Test String🙂!");
    editor_state = init_editor_state(init_text);

    printf("%s\n", editor_state.text);

    InitWindow(800, 600, "editor");

    Image img = (Image){.data = slot->bitmap.buffer,
                        .width = slot->bitmap.width,
                        .height = slot->bitmap.rows,
                        .format = PIXELFORMAT_UNCOMPRESSED_GRAYSCALE,
                        .mipmaps = 1};

    Texture2D tex = LoadTextureFromImage(img);

    while (!WindowShouldClose()) {
        BeginDrawing();
        ClearBackground(BLACK);

        DrawText(editor_state.text, 8, 8, 18, RAYWHITE);
        DrawRectangle(8 * editor_state.cursor_pos + 8, 8, 2, 18, GREEN);

        DrawTexture(tex, 40, 40, WHITE);

        EndDrawing();
    }

    CloseWindow();

    return 0;
}