#define _POSIX_C_SOURCE 200809L

#include "test_core.h"

#include "completion.h"
#include "ecex.h"

#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>

void test_completion_helpers(void) {
    assert(ecex_ascii_strncasecmp("Alpha", "alpha", 5) == 0);
    assert(ecex_ascii_strncasecmp("Alpha", "Alpine", 4) != 0);
    assert(ecex_ascii_contains_ci("compile-buffer", "PILE") == 1);
    assert(ecex_ascii_contains_ci("compile-buffer", "missing") == 0);

    assert(ecex_fuzzy_score("find-file", "ff") > 0);
    assert(ecex_fuzzy_score("find-file", "zz") < 0);
    assert(ecex_fuzzy_score("find-file", "find") > ecex_fuzzy_score("other-find", "find"));

    ecex_completion_item_t items[] = {
        {"z-file", 10, 0, 0},
        {"a-dir", 10, 1, 1},
        {"b-file", 30, 0, 2},
    };
    qsort(items, 3, sizeof(items[0]), ecex_completion_item_compare);
    assert(strcmp(items[0].value, "b-file") == 0);
    assert(strcmp(items[1].value, "a-dir") == 0);
    assert(strcmp(items[2].value, "z-file") == 0);
}

void test_path_helpers(void) {
    char small[4];
    assert(ecex_path_copy(small, sizeof(small), "abcd") != 0);
    assert(strcmp(small, "abc") == 0);

    char *joined = ecex_path_join("/tmp", "ecex-path-test.txt");
    assert(joined);
    assert(strcmp(joined, "/tmp/ecex-path-test.txt") == 0);
    free(joined);

    char *absolute = ecex_path_join("/tmp", "/var/log");
    assert(absolute);
    assert(strcmp(absolute, "/var/log") == 0);
    free(absolute);

    char *dir = ecex_path_dirname("/tmp/ecex/file.txt");
    assert(dir);
    assert(strcmp(dir, "/tmp/ecex") == 0);
    free(dir);

    char *base = ecex_path_basename_dup("/tmp/ecex/file.txt");
    assert(base);
    assert(strcmp(base, "file.txt") == 0);
    free(base);

    assert(ecex_path_is_image("photo.PNG") == 1);
    assert(ecex_path_is_video("clip.MKV") == 1);
    assert(ecex_path_is_media("notes.txt") == 0);

    char root_dir[256];
    snprintf(root_dir, sizeof(root_dir), "/tmp/ecex-project-test-%ld", (long)getpid());
    char src_dir[320];
    char nested_dir[384];
    char marker[384];
    char source_file[448];
    snprintf(src_dir, sizeof(src_dir), "%s/src", root_dir);
    snprintf(nested_dir, sizeof(nested_dir), "%s/nested", src_dir);
    snprintf(marker, sizeof(marker), "%s/.ecex-project", root_dir);
    snprintf(source_file, sizeof(source_file), "%s/main.c", nested_dir);

    assert(mkdir(root_dir, 0700) == 0);
    assert(mkdir(src_dir, 0700) == 0);
    assert(mkdir(nested_dir, 0700) == 0);
    FILE *file = fopen(marker, "wb");
    assert(file);
    fclose(file);

    char *project_root = ecex_project_root_for_file(source_file);
    char *normal_root = ecex_path_normalize(root_dir);
    assert(project_root && normal_root);
    assert(strcmp(project_root, normal_root) == 0);
    free(project_root);
    free(normal_root);

    unlink(marker);
    rmdir(nested_dir);
    rmdir(src_dir);
    rmdir(root_dir);
}