/* test_notif_tf.c — 宿主单测：通知#6 TF 转储（CSV 转义 / 10MB 滚动截断 / init 清板载+内存表）。
 *
 * 直接 #include "meow_notif.c"（同 TU 平移其 static 常量/函数），stub 掉 meow_settings_get_int
 * （配额读——返回负=键缺失即用默认，涵盖 CSV/截断/init 逻辑）。宿主 gcc 编译运行即可，不进固件。
 *
 * 运行：gcc -D_GNU_SOURCE -o test_notif_tf test_notif_tf.c && ./test_notif_tf
 */
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>

/* stub：meow_notif.c 的 read_quota() 读 notify.* 配额。<0 => 键缺失=> 用默认值 */
int meow_settings_get_int(const char *key, int *out)
{
    (void)key; (void)out;
    return -2;   /* MEOW_ERR_NOENT */
}

#include "meow_notif.c"   /* 把全部实现（含 statics）收进本 TU */

static int g_fail = 0;
#define CHECK(cond, msg) do { \
    if (!(cond)) { fprintf(stderr, "FAIL: %s (%s:%d)\n", msg, __FILE__, __LINE__); g_fail++; } \
    else fprintf(stderr, "ok: %s\n", msg); \
} while (0)

static char *read_all(const char *path, long *out_len)
{
    FILE *f = fopen(path, "rb");
    if (!f) return NULL;
    fseek(f, 0, SEEK_END);
    long n = ftell(f);
    fseek(f, 0, SEEK_SET);
    char *s = malloc((size_t)n + 1);
    if (!s) { fclose(f); return NULL; }
    size_t got = fread(s, 1, (size_t)n, f);
    s[got] = 0;
    fclose(f);
    if (out_len) *out_len = n;
    return s;
}

static void make_notif(meow_notif_t *n, uint32_t id, const char *sum, const char *body)
{
    memset(n, 0, sizeof *n);
    n->id = id;
    n->created_ms = 1234567890123ULL;
    strcpy(n->app_id, "com.app");
    strcpy(n->category, "general");
    strcpy(n->summary, sum);
    strcpy(n->body, body);
    strcpy(n->target_activity, "act");
    n->ongoing = 1;
}

/* --- 1) CSV 转义 + 去换行 --- */
static void test_csv_escape(const char *path)
{
    meow_notif_set_tf_path(path);
    meow_notif_set_tf_max(1024 * 1024);     /* 放大上限避免此测触发截断 */

    meow_notif_t n;
    /* summary: 逗号 + 双引号 + 换行；body: CRLF + tab */
    make_notif(&n, 42, "Hel\"lo, world\nline2", "Body\r\nwith\ttab");
    n.media = 1;                             /* 让 media 列=1 */
    CHECK(meow_notif_dump_tf(&n) == 0, "dump_tf returns 0");

    char *s = read_all(path, NULL);
    CHECK(s != NULL, "file exists after dump");
    const char *expect =
        "1234567890123,42,\"com.app\",\"general\",\"\",\"Hel\"\"lo, world line2\","
        "\"Body  with\ttab\",\"act\",1,1,0\n";   /* ongoing=1 media=1 dismissed=0 */
    CHECK(s && strcmp(s, expect) == 0, "CSV line matches expected (escape+newline-strip)");
    if (s) { fprintf(stderr, "  got: %s", s); fprintf(stderr, "  exp: %s", expect); }
    free(s);
}

/* --- 2) 10MB 滚动截断（假文件：把上限压到很小模拟）--- */
static void test_trim(const char *path)
{
    meow_notif_set_tf_path(path);
    meow_notif_set_tf_max(256);              /* 用 256B 模拟 10MB 上限 */

    /* 先写 4 条不同标记，让文件超过 256B */
    meow_notif_t n;
    make_notif(&n, 1, "lineAAAA", "");
    meow_notif_dump_tf(&n);
    make_notif(&n, 2, "lineBBBB", "");
    meow_notif_dump_tf(&n);
    make_notif(&n, 3, "lineCCCC", "");
    meow_notif_dump_tf(&n);
    make_notif(&n, 4, "lineDDDD", "");
    meow_notif_dump_tf(&n);

    long len = 0;
    char *s = read_all(path, &len);
    CHECK(s != NULL && len <= 256, "after roll, file size <= limit (10MB analog)");
    CHECK(s && strstr(s, "lineDDDD") != NULL, "newest row retained after roll");
    CHECK(s && strstr(s, "lineAAAA") == NULL, "oldest row rolled away");
    if (s) fprintf(stderr, "  rolled content (%ldB):\n%s", len, s);

    /* 追加一条仍 0 成功 */
    make_notif(&n, 5, "lineEEEE", "");
    CHECK(meow_notif_dump_tf(&n) == 0, "append after roll ok");
    free(s);
}

/* --- 3) init 清板载 + 清内存表，且 post 正常 --- */
static void test_init_clear(const char *path)
{
    meow_notif_set_tf_path(path);
    meow_notif_set_tf_max(1024 * 1024);

    /* 先塞点板载内容 */
    meow_notif_t n;
    make_notif(&n, 99, "junk", "");
    meow_notif_dump_tf(&n);

    /* init：应清板载文件 + 清内存表 */
    CHECK(meow_notif_init() == NOTIF_OK, "meow_notif_init ok");
    long len = -1;
    char *s = read_all(path, &len);
    CHECK(s != NULL && len == 0, "board log cleared at init (dir kept)");
    CHECK(meow_notif_count(NULL) == 0, "memory table cleared at init");

    /* init 后 post 一条，应活跃 + 可转储 */
    make_notif(&n, 0, "fresh", "");
    uint32_t id = 0;
    CHECK(meow_notif_post(&n, &id) == NOTIF_OK, "post after init ok");
    CHECK(id != 0 && meow_notif_count(NULL) == 1, "one active notif after post");
    free(s);
}

int main(void)
{
    char tmp[] = "/tmp/meow_notif_tf_test_XXXXXX";
    char *dir = mkdtemp(tmp);
    if (!dir) { perror("mkdtemp"); return 2; }

    char p1[512], p2[512], p3[512];
    snprintf(p1, sizeof p1, "%s/csv.log", dir);
    snprintf(p2, sizeof p2, "%s/trim.log", dir);
    snprintf(p3, sizeof p3, "%s/init.log", dir);

    CHECK(p1[0] != 0, "tmpdir ready");
    test_csv_escape(p1);
    test_trim(p2);
    test_init_clear(p3);

    /* 清理：删除日志文件 + 目录（保底） */
    unlink(p1); unlink(p2); unlink(p3); rmdir(dir);

    fprintf(stderr, "\n%s (failures=%d)\n", g_fail ? "== TEST FAILED ==" : "== TEST PASSED ==", g_fail);
    return g_fail ? 1 : 0;
}