/* render_sb_statusbar.c — 宿主可视化渲染：把「同一个状态栏」画进 back_buf 并 dump PPM 目检。
 * 仅用于宿主验证（无 /dev/fb0 → 480x720 离屏；字体缺失时图标仍画，数值可能缺字）。
 * 编译（宿主 gcc）：
 *   gcc -o render_sb_statusbar render_sb_statusbar.c meow_ui_gfx.c meow_ui_sys.c meow_ui_theme.c \
 *       meow_ui_vol.c meow_ui_log.c /tmp/meow_font_host.o -I. -I../meow_launcherd -lz
 */
#include "meow_ui.h"
#include "meow_ui_internal.h"
#include "meow_ui_sys.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>

int main(int argc, char **argv)
{
    (void)argc;
    meow_ui_opts o = { 480, 720 };
    if (meow_ui_init(&o) != 0) { printf("init failed\n"); return 1; }
    meow_ui_sys_set_system_mode(1);
    meow_ui_set_statusbar(1);

    /* 喂权威快照（模拟 launcher）：电量81/充电/音量60/蓝牙连/WiFi已连-50(强)/亮度100 */
    meow_ui_feed f;
    memset(&f, 0, sizeof f);
    f.batt = 81; f.charging = 1; f.wifi_on = 1; f.wifi_connected = 1; f.wifi_level = -50;
    f.bt_seen = 1; f.bt_on = 1; f.vol = 60; f.brightness = 100;
    meow_ui_sys_feed(&f);

    /* 清整屏（背景）→ 画状态栏 → 把 top 28 行 + 一点内容区 dump 成 PPM */
    meow_ui_clear(0x141824);
    meow_ui_sys_statusbar_render();

    const char *path = argv[1] ? argv[1] : "/tmp/sb_statusbar.ppm";
    FILE *fp = fopen(path, "wb");
    if (!fp) { printf("cannot open %s\n", path); return 1; }
    int w = 480, h = 480;   /* 宽 x 全屏高，看顶条+背景 */
    fprintf(fp, "P6\n%d %d\n255\n", w, h);
    unsigned char *bb = meow_ui_back_buf();
    for (int ry = 0; ry < h; ry++) {
        for (int cx = 0; cx < w; cx++) {
            uint16_t p = *(uint16_t *)(bb + (size_t)ry * (size_t)(w * 2) + (size_t)cx * 2);
            int r = ((p >> 11) & 0x1F) << 3;
            int g = ((p >> 5) & 0x3F) << 2;
            int b = (p & 0x1F) << 3;
            fputc(r, fp); fputc(g, fp); fputc(b, fp);
        }
    }
    fclose(fp);
    printf("wrote %s (%dx%d)\n", path, w, h);
    return 0;
}