#include "game_drawing.h" // Include its own header
#include "ssd1306.h"      // For _ssd1306_pixel and SSD1306_t definition

/**
 * @brief Draws a filled rectangle on the OLED display buffer.
 *
 * @param dev Pointer to the SSD1306 device structure.
 * @param x1 X-coordinate of the top-left corner.
 * @param y1 Y-coordinate of the top-left corner.
 * @param x2 X-coordinate of the bottom-right corner.
 * @param y2 Y-coordinate of the bottom-right corner.
 * @param color True for white, false for black.
 */
void draw_filled_rect(SSD1306_t *dev, int x1, int y1, int x2, int y2, bool color) {
    if (x1 > x2) { int t = x1; x1 = x2; x2 = t; }
    if (y1 > y2) { int t = y1; y1 = y2; y2 = t; }

    x1 = (x1 < 0) ? 0 : x1;
    y1 = (y1 < 0) ? 0 : y1;
    x2 = (x2 >= dev->_width)  ? dev->_width - 1 : x2;
    y2 = (y2 >= dev->_height) ? dev->_height - 1 : y2;

    for (int y = y1; y <= y2; y++) {
        for (int x = x1; x <= x2; x++) {
            _ssd1306_pixel(dev, x, y, color);
        }
    }
}

/**
 * @brief Draws an outline rectangle on the OLED display buffer.
 *
 * @param dev Pointer to the SSD1306 device structure.
 * @param x1 X-coordinate of the top-left corner.
 * @param y1 Y-coordinate of the top-left corner.
 * @param x2 X-coordinate of the bottom-right corner.
 * @param y2 Y-coordinate of the bottom-right corner.
 * @param color True for white, false for black.
 */
void draw_rectangle_outline(SSD1306_t *dev, int x1, int y1, int x2, int y2, bool color) {
    // Ensure coordinates are ordered correctly
    if (x1 > x2) { int t = x1; x1 = x2; x2 = t; }
    if (y1 > y2) { int t = y1; y1 = y2; y2 = t; }

    // Draw top line
    for (int x = x1; x <= x2; x++) {
        _ssd1306_pixel(dev, x, y1, color);
    }
    // Draw bottom line
    for (int x = x1; x <= x2; x++) {
        _ssd1306_pixel(dev, x, y2, color);
    }
    // Draw left line
    for (int y = y1; y <= y2; y++) {
        _ssd1306_pixel(dev, x1, y, color);
    }
    // Draw right line
    for (int y = y1; y <= y2; y++) {
        _ssd1306_pixel(dev, x2, y, color);
    }
}