//
// Created by bruno on 8.2.2025.
//

#include <SDL2/SDL_render.h>
#include "cpustatusui.h"
#include "font.h"

void renderState(Encoder *enc, BitmapFont *titleFont, SDL_Renderer *renderer, SDL_Texture **out) {

    // Render the value
    char valueStr[20] = "";
    /*
    if (enc->mode & CPU_MODE_ERROR) {
        strcat(valueStr, "ERR ");
    } else if (enc->mode & CPU_MODE_HALTED) {
        strcat(valueStr, "HLT ");
    } else if (enc->mode & CPU_MODE_PAUSED) {
        strcat(valueStr, "PAU ");
    } else {
        strcat(valueStr, "RUN ");
    }

    if (enc->mode & CPU_MODE_LOOP) {
        strcat(valueStr, "LOOP ");
    } else {
        strcat(valueStr, "ONCE ");
    }

    if (enc->mode & CPU_MODE_STEP) {
        strcat(valueStr, "STP");
    } else if (enc->mode & CPU_MODE_SECOND) {
        strcat(valueStr, "SEC");
    } else if (enc->mode & CPU_MODE_FRAME) {
        strcat(valueStr, "FRM");
    } else {
        strcat(valueStr, "BRR");
    }
    */

    const int oneFieldW = (titleFont->size + 1);
    const int allFieldW = oneFieldW * strlen(valueStr);
    const int oneFieldH = (titleFont->size + 1);
    if (!*out) {
        *out = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_TARGET,
                                 allFieldW, oneFieldH);
    }

    SDL_SetRenderTarget(renderer, *out);
    SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
    SDL_RenderClear(renderer);

    SDL_Rect rect = {0, 0, allFieldW, oneFieldH};
    SDL_SetRenderDrawColor(renderer, 50, 50, 50, 255);
    SDL_RenderFillRect(renderer, &rect);


    int x = 0;
    for (int j = 0; valueStr[j] != '\0'; j++) {
        SDL_Texture *charTex = titleFont->texture[(uint8_t) valueStr[j]];
        if (charTex) {
            SDL_Rect dstRect = {x, 0, titleFont->size, titleFont->size};
            x += titleFont->size + 1;
            SDL_RenderCopy(renderer, charTex, NULL, &dstRect);
        }
    }

    SDL_SetRenderTarget(renderer, NULL);
}