#include "display_helper.h"
#include "chinese_char_map.h"
#include "json_parser.h"
#include "oled_ssd1306.h"
#include <string.h>
#include <stdio.h>

// 显示混合字符串（中文+英文数字）
void DisplayMixedString(uint8_t start_x, uint8_t start_y, const char* text) {
    if (!text) {
        return;
    }
    
    uint8_t x = start_x;
    uint8_t y = start_y;
    int i = 0;
    int text_len = strlen(text);
    
    printf("DisplayMixedString: Processing text '%s' (length: %d)\r\n", text, text_len);
    
    while (i < text_len) {
        // 检查是否为UTF-8中文字符（通常以0xE开头的3字节序列）
        if ((unsigned char)text[i] >= 0xE0 && i + 2 < text_len) {
            // 提取3字节的UTF-8中文字符
            char chinese_char[4] = {0};
            chinese_char[0] = text[i];
            chinese_char[1] = text[i + 1];
            chinese_char[2] = text[i + 2];
            chinese_char[3] = '\0';
            
            printf("Found Chinese char: %02X %02X %02X\r\n", 
                   (unsigned char)chinese_char[0], 
                   (unsigned char)chinese_char[1], 
                   (unsigned char)chinese_char[2]);
            
            // 查找字符在fonts3数组中的索引
            int font_index = FindChineseCharIndex(chinese_char);
            if (font_index >= 0) {
                printf("Displaying Chinese char at index %d, position (%d, %d)\r\n", font_index, x, y);
                OledShowChinese3(x, y, font_index);
                x += 16; // 中文字符宽度为16像素
            } else {
                printf("Chinese char not found in font table, displaying as '?'\r\n");
                // 如果找不到字符，显示问号
                OledShowString(x, y, "?", FONT8x16);
                x += 8; // 英文字符宽度为8像素
            }
            i += 3; // 跳过3字节的UTF-8字符
        } else {
            // 处理ASCII字符（英文、数字、符号）
            char ascii_char[2] = {text[i], '\0'};
            printf("Found ASCII char: '%c' (0x%02X)\r\n", text[i], (unsigned char)text[i]);
            OledShowString(x, y, ascii_char, FONT8x16);
            x += 8; // 英文字符宽度为8像素
            i++;
        }
        
        // 检查是否需要换行（假设屏幕宽度为128像素）
        if (x >= 120) {
            x = start_x;
            y += 2; // 每行高度为2个单位（16像素）
        }
    }
}