/**
 * @file
 * Test code for the ConfigSubset object
 *
 * @authors
 * Copyright (C) 2019 Richard Russon <rich@flatcap.org>
 *
 * @copyright
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 2 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#define TEST_NO_MAIN
#include "config.h"
#include "acutest.h"
#include <limits.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include "mutt/lib.h"
#include "config/common.h"
#include "config/lib.h"
#include "core/lib.h"

static short VarApple;

// clang-format off
static struct ConfigDef Vars[] = {
  { "Apple",  DT_NUMBER,  &VarApple,  42, 0, NULL },
  { NULL },
};
// clang-format on

void test_config_subset(void)
{
  log_line(__func__);

  struct Buffer err = mutt_buffer_make(256);

  const char *name = "Apple";
  const char *expected = NULL;
  intptr_t value;
  int rc;

  struct ConfigSet *cs = cs_new(30);
  cs_register_type(cs, &cst_number);
  if (!cs_register_variables(cs, Vars, 0))
    return;

  NeoMutt = neomutt_new(cs);

  cs_subset_free(NULL);

  struct ConfigSubset *sub_a = cs_subset_new("account", NeoMutt->sub, NeoMutt->notify);
  sub_a->cs = cs;
  struct ConfigSubset *sub_m = cs_subset_new("mailbox", sub_a, sub_a->notify);
  sub_m->cs = cs;

  cs_subset_notify_observers(NULL, NULL, NT_CONFIG_SET);

  cs_subset_str_native_set(sub_m, name, 123, NULL);
  cs_subset_str_native_set(sub_a, name, 456, NULL);

  struct HashElem *he = NULL;

  he = cs_subset_lookup(NULL, NULL);
  if (!TEST_CHECK(he == NULL))
  {
    TEST_MSG("cs_subset_lookup failed\n");
    return;
  }

  he = cs_subset_lookup(NeoMutt->sub, name);
  if (!TEST_CHECK(he != NULL))
  {
    TEST_MSG("cs_subset_lookup failed\n");
    return;
  }

  mutt_buffer_reset(&err);
  rc = cs_subset_he_native_get(NULL, NULL, &err);
  if (!TEST_CHECK(rc == INT_MIN))
  {
    TEST_MSG("This test should have failed\n");
    return;
  }

  mutt_buffer_reset(&err);
  value = cs_subset_he_native_get(NeoMutt->sub, he, &err);
  if (!TEST_CHECK(value != INT_MIN))
  {
    TEST_MSG("cs_subset_he_native_get failed\n");
    return;
  }

  mutt_buffer_reset(&err);
  value = cs_subset_str_native_get(NeoMutt->sub, name, &err);
  if (!TEST_CHECK(value != INT_MIN))
  {
    TEST_MSG("cs_subset_str_native_get failed\n");
    return;
  }

  mutt_buffer_reset(&err);
  rc = cs_subset_he_native_set(NULL, NULL, value + 100, &err);
  if (!TEST_CHECK(CSR_RESULT(rc) != CSR_SUCCESS))
  {
    TEST_MSG("cs_subset_he_native_set failed\n");
    return;
  }

  mutt_buffer_reset(&err);
  rc = cs_subset_he_native_set(NeoMutt->sub, he, value + 100, &err);
  if (!TEST_CHECK(value != INT_MIN))
  {
    TEST_MSG("cs_subset_he_native_set failed\n");
    return;
  }

  mutt_buffer_reset(&err);
  rc = cs_subset_str_native_set(NeoMutt->sub, name, value + 100, &err);
  if (!TEST_CHECK(value != INT_MIN))
  {
    TEST_MSG("cs_subset_str_native_set failed\n");
    return;
  }

  mutt_buffer_reset(&err);
  expected = "142";
  rc = cs_subset_he_string_get(NeoMutt->sub, he, &err);
  if (!TEST_CHECK(CSR_RESULT(rc) == CSR_SUCCESS) ||
      !TEST_CHECK(strcmp(mutt_b2s(&err), expected) == 0))
  {
    TEST_MSG("cs_subset_he_string_get failed\n");
    TEST_MSG("Expected: %s", expected);
    TEST_MSG("Actual  : %s", mutt_b2s(&err));
    return;
  }

  mutt_buffer_reset(&err);
  rc = cs_subset_str_string_get(NULL, NULL, &err);
  if (!TEST_CHECK(CSR_RESULT(rc) != CSR_SUCCESS))
  {
    TEST_MSG("This test should have failed\n");
    return;
  }

  mutt_buffer_reset(&err);
  expected = "142";
  rc = cs_subset_str_string_get(NeoMutt->sub, name, &err);
  if (!TEST_CHECK(CSR_RESULT(rc) == CSR_SUCCESS) ||
      !TEST_CHECK(strcmp(mutt_b2s(&err), expected) == 0))
  {
    TEST_MSG("cs_subset_str_string_get failed\n");
    TEST_MSG("Expected: %s", expected);
    TEST_MSG("Actual  : %s", mutt_b2s(&err));
    return;
  }

  mutt_buffer_reset(&err);
  expected = "142";
  rc = cs_subset_he_string_set(NULL, NULL, expected, &err);
  if (!TEST_CHECK(CSR_RESULT(rc) != CSR_SUCCESS))
  {
    TEST_MSG("This test should have failed\n");
    return;
  }

  mutt_buffer_reset(&err);
  expected = "678";
  rc = cs_subset_he_string_set(NeoMutt->sub, he, expected, &err);
  if (!TEST_CHECK(CSR_RESULT(rc) == CSR_SUCCESS))
  {
    TEST_MSG("cs_subset_he_string_set failed\n");
    return;
  }

  mutt_buffer_reset(&err);
  expected = "678";
  rc = cs_subset_str_string_set(NeoMutt->sub, name, expected, &err);
  if (!TEST_CHECK(CSR_RESULT(rc) == CSR_SUCCESS))
  {
    TEST_MSG("cs_subset_str_string_set failed\n");
    return;
  }

  mutt_buffer_reset(&err);
  expected = "142";
  rc = cs_subset_he_string_plus_equals(NULL, NULL, expected, &err);
  if (!TEST_CHECK(CSR_RESULT(rc) != CSR_SUCCESS))
  {
    TEST_MSG("This test should have failed\n");
    return;
  }

  mutt_buffer_reset(&err);
  expected = "678";
  rc = cs_subset_he_string_plus_equals(NeoMutt->sub, he, expected, &err);
  if (!TEST_CHECK(CSR_RESULT(rc) == CSR_SUCCESS))
  {
    TEST_MSG("cs_subset_he_string_plus_equals failed\n");
    return;
  }

  mutt_buffer_reset(&err);
  expected = "678";
  rc = cs_subset_str_string_plus_equals(NeoMutt->sub, name, expected, &err);
  if (!TEST_CHECK(CSR_RESULT(rc) == CSR_SUCCESS))
  {
    TEST_MSG("cs_subset_str_string_plus_equals failed\n");
    return;
  }

  mutt_buffer_reset(&err);
  expected = "142";
  rc = cs_subset_he_string_minus_equals(NULL, NULL, expected, &err);
  if (!TEST_CHECK(CSR_RESULT(rc) != CSR_SUCCESS))
  {
    TEST_MSG("This test should have failed\n");
    return;
  }

  mutt_buffer_reset(&err);
  expected = "678";
  rc = cs_subset_he_string_minus_equals(NeoMutt->sub, he, expected, &err);
  if (!TEST_CHECK(CSR_RESULT(rc) == CSR_SUCCESS))
  {
    TEST_MSG("cs_subset_he_string_minus_equals failed\n");
    return;
  }

  mutt_buffer_reset(&err);
  expected = "678";
  rc = cs_subset_str_string_minus_equals(NeoMutt->sub, name, expected, &err);
  if (!TEST_CHECK(CSR_RESULT(rc) == CSR_SUCCESS))
  {
    TEST_MSG("cs_subset_str_string_minus_equals failed\n");
    return;
  }

  mutt_buffer_reset(&err);
  rc = cs_subset_he_reset(NULL, NULL, &err);
  if (!TEST_CHECK(CSR_RESULT(rc) != CSR_SUCCESS))
  {
    TEST_MSG("This test should have failed\n");
    return;
  }

  mutt_buffer_reset(&err);
  rc = cs_subset_he_reset(NeoMutt->sub, he, &err);
  if (!TEST_CHECK(CSR_RESULT(rc) == CSR_SUCCESS))
  {
    TEST_MSG("cs_subset_he_reset failed\n");
    return;
  }

  mutt_buffer_reset(&err);
  rc = cs_subset_str_reset(NeoMutt->sub, name, &err);
  if (!TEST_CHECK(CSR_RESULT(rc) == CSR_SUCCESS))
  {
    TEST_MSG("cs_subset_str_reset failed\n");
    return;
  }

  he = cs_subset_lookup(sub_a, name);
  if (!TEST_CHECK(he != NULL))
  {
    TEST_MSG("cs_subset_lookup failed\n");
    return;
  }

  he = cs_subset_lookup(sub_m, name);
  if (!TEST_CHECK(he != NULL))
  {
    TEST_MSG("cs_subset_lookup failed\n");
    return;
  }

  cs_subset_free(&sub_m);
  cs_subset_free(&sub_a);

  neomutt_free(&NeoMutt);
  cs_free(&cs);
  mutt_buffer_dealloc(&err);
  log_line(__func__);
}
