#include "test_cpath.h"
#include "wapp.h"
#include <string.h>
#include <stdio.h>
#include <stdbool.h>

#define MAIN_BUF_SIZE 4096
#define TMP_BUF_SIZE  1024

TestFuncResult test_cpath_join_path(void) {
  bool result;

  Str8 expected = wapp_str8_buf(MAIN_BUF_SIZE);
  Str8 out      = wapp_str8_buf(MAIN_BUF_SIZE);
  Str8 tmp      = wapp_str8_buf(TMP_BUF_SIZE);

  wapp_str8_format(&expected, "%chome%cabdelrahman%cDocuments", PATH_SEP, PATH_SEP, PATH_SEP);
  wapp_str8_format(&tmp, "%c", PATH_SEP);

  DBL_LIST(Str8) parts = {0};
  wapp_dbl_list_push_back(&parts, &wapp_str8_node_from_str8(tmp));
  wapp_dbl_list_push_back(&parts, &wapp_str8_node_from_cstr("home"));
  wapp_dbl_list_push_back(&parts, &wapp_str8_node_from_cstr("abdelrahman"));
  wapp_dbl_list_push_back(&parts, &wapp_str8_node_from_cstr("Documents"));

  wapp_cpath_join_path(&out, &parts);
  result = wapp_str8_equal(&out, &expected);

  wapp_dbl_list_pop_front(Str8, &parts);

  wapp_str8_format(&expected, "home%cabdelrahman%cDocuments", PATH_SEP, PATH_SEP);

  wapp_cpath_join_path(&out, &parts);
  result = result && wapp_str8_equal(&out, &expected);

  wapp_str8_concat_capped(&tmp, &wapp_str8_lit_ro("home"));
  wapp_dbl_list_pop_front(Str8, &parts);
  wapp_dbl_list_push_front(&parts, &wapp_str8_node_from_str8(tmp));

  wapp_str8_format(&expected, "%chome%cabdelrahman%cDocuments", PATH_SEP, PATH_SEP, PATH_SEP);

  wapp_cpath_join_path(&out, &parts);
  result = result && wapp_str8_equal(&out, &expected);

  wapp_str8_format(&tmp, "home%c", PATH_SEP);
  wapp_dbl_list_pop_front(Str8, &parts);
  wapp_dbl_list_push_front(&parts, &wapp_str8_node_from_cstr("home"));

  wapp_str8_format(&expected, "home%cabdelrahman%cDocuments", PATH_SEP, PATH_SEP);

  wapp_cpath_join_path(&out, &parts);
  result = result && wapp_str8_equal(&out, &expected);

  wapp_dbl_list_empty(&parts);

  wapp_str8_format(&tmp, "%chome", PATH_SEP);
  wapp_dbl_list_push_back(&parts, &wapp_str8_node_from_str8(tmp));
  wapp_dbl_list_push_back(&parts, &wapp_str8_node_from_cstr(""));

  wapp_str8_format(&expected, "%chome", PATH_SEP);

  wapp_cpath_join_path(&out, &parts);
  result = result && wapp_str8_equal(&out, &expected);

  wapp_dbl_list_pop_front(Str8, &parts);
  wapp_dbl_list_push_back(&parts, &wapp_str8_node_from_cstr(""));

  wapp_str8_format(&expected, "%s", "");

  wapp_cpath_join_path(&out, &parts);
  result = result && wapp_str8_equal(&out, &expected);

  wapp_dbl_list_pop_back(Str8, &parts);
  wapp_dbl_list_push_back(&parts, &wapp_str8_node_from_cstr("home"));

  wapp_str8_copy_cstr_capped(&expected, "home");

  wapp_cpath_join_path(&out, &parts);
  result = result && wapp_str8_equal(&out, &expected);

  return wapp_tester_result(result);
}

TestFuncResult test_cpath_dirname(void) {
  Allocator arena = wapp_mem_arena_allocator_init(MB(8));
  if (wapp_mem_allocator_invalid(&arena)) {
    return wapp_tester_result(false);
  }

  bool result;
  Str8 *output = NULL;

  Str8 expected = wapp_str8_buf(MAIN_BUF_SIZE);
  Str8 tmp      = wapp_str8_buf(TMP_BUF_SIZE);

  // CASE 1
  wapp_str8_format(&tmp, "%c", PATH_SEP);
  wapp_str8_format(&expected, "%c", PATH_SEP);

  output = wapp_cpath_dirname(&arena, &tmp);
  result = output != NULL && wapp_str8_equal(output, &expected);

  // CASE 2
  wapp_str8_format(&expected, "%s", ".");

  output = wapp_cpath_dirname(&arena, &wapp_str8_lit("home"));
  result = result && output != NULL && wapp_str8_equal(output, &expected);

  // CASE 3
  output = wapp_cpath_dirname(&arena, &wapp_str8_lit(""));
  result = result && output != NULL && wapp_str8_equal(output, &expected);

  // CASE 4
  wapp_str8_format(&tmp, "%chome%ctest", PATH_SEP, PATH_SEP);
  wapp_str8_format(&expected, "%chome", PATH_SEP);

  output = wapp_cpath_dirname(&arena, &tmp);
  result = result && output != NULL && wapp_str8_equal(output, &expected);

  // CASE 5
  wapp_str8_format(&tmp, "%chome%ctest%c", PATH_SEP, PATH_SEP, PATH_SEP);
  wapp_str8_format(&expected, "%chome", PATH_SEP);

  output = wapp_cpath_dirname(&arena, &tmp);
  result = result && output != NULL && wapp_str8_equal(output, &expected);

  wapp_mem_arena_allocator_destroy(&arena);

  return wapp_tester_result(result);
}

TestFuncResult test_cpath_dirup(void) {
  Allocator arena = wapp_mem_arena_allocator_init(MB(8));
  if (wapp_mem_allocator_invalid(&arena)) {
    return wapp_tester_result(false);
  }

  bool result;
  Str8 *output = NULL;

  Str8 expected = wapp_str8_buf(MAIN_BUF_SIZE);
  Str8 tmp      = wapp_str8_buf(TMP_BUF_SIZE);

  // CASE 1
  wapp_str8_format(&tmp, "%c", PATH_SEP);
  wapp_str8_format(&expected, "%c", PATH_SEP);

  output = wapp_cpath_dirup(&arena, &tmp, 3);
  result = output != NULL && wapp_str8_equal(output, &expected);

  // CASE 2
  wapp_str8_format(&tmp, "%chome%cabdelrahman%cDocuments", PATH_SEP, PATH_SEP, PATH_SEP);
  wapp_str8_format(&expected, "%c", PATH_SEP);

  output = wapp_cpath_dirup(&arena, &tmp, 3);
  result = result && output != NULL && wapp_str8_equal(output, &expected);

  // CASE 3
  wapp_str8_format(&tmp, "home%cabdelrahman%cDocuments", PATH_SEP, PATH_SEP);
  wapp_str8_copy_cstr_capped(&expected, ".");

  output = wapp_cpath_dirup(&arena, &tmp, 3);
  result = result && output != NULL && wapp_str8_equal(output, &expected);

  // CASE 4
  wapp_str8_format(&tmp, "%chome%cabdelrahman%cDocuments", PATH_SEP, PATH_SEP, PATH_SEP);
  wapp_str8_format(&expected, "%chome", PATH_SEP);

  output = wapp_cpath_dirup(&arena, &tmp, 2);
  result = result && output != NULL && wapp_str8_equal(output, &expected);

  // CASE 5
  wapp_str8_format(&tmp, "home%cabdelrahman%cDocuments", PATH_SEP, PATH_SEP);
  wapp_str8_copy_cstr_capped(&expected, "home");

  output = wapp_cpath_dirup(&arena, &tmp, 2);
  result = result && output != NULL && wapp_str8_equal(output, &expected);

  wapp_mem_arena_allocator_destroy(&arena);

  return wapp_tester_result(result);
}