#include "tui.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>

#define TEST_PASS 0
#define TEST_FAIL 1

static int run_single_test(const char *test_name, const char *cmd_sent, const char *expected) {
    /* build temporary file path */
    char tmpl[] = "/tmp/looper_test_XXXXXX";
    int fd = mkstemp(tmpl);
    if (fd == -1) { perror("mkstemp"); return TEST_FAIL; }
    close(fd);
    /* create regular file to mimic a FIFO */
    fd = open(tmpl, O_CREAT|O_WRONLY|O_TRUNC, 0644);
    if (fd < 0) { perror("open create"); unlink(tmpl); return TEST_FAIL; }
    close(fd);

    /* make send_command use this file */
    setenv("LOOPER_CMD_FIFO", tmpl, 1);

    int ret = send_command(cmd_sent);
    if (ret != 0) {
        fprintf(stderr, "FAIL %s: send_command returned %d\n", test_name, ret);
        unlink(tmpl);
        return TEST_FAIL;
    }

    /* read back the written content */
    FILE *fp = fopen(tmpl, "r");
    if (!fp) { perror("fopen"); unlink(tmpl); return TEST_FAIL; }
    char buf[4096];
    size_t nread = fread(buf, 1, sizeof(buf)-1, fp);
    fclose(fp);
    buf[nread] = '\0';

    /* build expected string (send_command always appends a newline) */
    char expected_line[512];
    snprintf(expected_line, sizeof(expected_line), "%s\n", expected);

    if (strcmp(buf, expected_line) == 0) {
        printf("PASS %s\n", test_name);
        unlink(tmpl);
        return TEST_PASS;
    } else {
        printf("FAIL %s: expected '%s', got '%s'\n", test_name, expected_line, buf);
        unlink(tmpl);
        return TEST_FAIL;
    }
}

int main(void) {
    int fail = 0;
    fail += run_single_test("record_0",        "record 0",    "record 0");
    fail += run_single_test("record_1",        "record 1",    "record 1");
    fail += run_single_test("stop",            "stop",        "stop");
    fail += run_single_test("scene_next",      "scene_next",  "scene_next");
    fail += run_single_test("scene_prev",      "scene_prev",  "scene_prev");
    fail += run_single_test("bind_2",          "bind 2",      "bind 2");
    fail += run_single_test("with_newline",    "record 0\n",  "record 0");
    printf("%d tests failed.\n", fail);
    return fail > 0 ? 1 : 0;
}