#include "scc_sstream.h"
#include <stdio.h>

int main(int argc, char **argv) {
    const char *filename = (argc > 1) ? argv[1] : __FILE__; // 默认读取自身
    scc_sstream_t stream;
    scc_sstream_ring_t *ring;

    // 初始化
    if (scc_sstream_init(&stream, filename, 16) != 0) {
        fprintf(stderr, "Failed to initialize stream for %s\n", filename);
        return 1;
    }
    ring = scc_sstream_ref_ring(&stream);
    Assert(ring != null);

    printf("Reading file: %s\n", filename);

    scc_sstream_char_t elem;
    cbool ok;
    int char_count = 0;
    int line_count = 0;

    // 循环读取所有字符
    while (1) {
        scc_ring_next_consume(*ring, elem, ok);
        if (!ok)
            break; // 文件结束或错误

        char_count++;
        if (elem.character == '\n')
            line_count++;

        // 打印前 200 个字符的位置信息（避免刷屏）
        if (char_count <= 200) {
            printf("char[%d]: '%c' (line %zu, col %zu)\n", char_count,
                   elem.character == '\n' ? ' '
                                          : elem.character, // 换行符显示为空格
                   elem.pos.line, elem.pos.col);
        }
    }

    printf("\nSummary:\n");
    printf("  Total characters: %d\n", char_count);
    printf("  Total lines: %d\n", line_count);

    // 释放资源
    scc_sstream_drop_ring(ring);
    scc_sstream_drop(&stream);
    return 0;
}