/**
 * Copyright (c) 2026 Dominic Masters
 *
 * This software is released under the MIT License.
 * https://opensource.org/licenses/MIT
 */

#include "dusktest.h"
#include "entitytestfixture.h"
#include "ui/rpg/textbox/uitextboxmain.h"
#include "ui/focus/uifocus.h"

static entity_t *setUpItemEntity(void) {
  entityTestFixtureReset();
  uiFocusInit();
  uiTextboxMainInit();
  uiTextboxMainFocusClosed(NULL);// force-clear stale focus from a prior test

  entityInit(&ENTITIES[0], ENTITY_TYPE_ITEM);
  return &ENTITIES[0];
}

static void test_entityItemInit(void **state) {

  entity_t *item = setUpItemEntity();

  assert_int_equal(item->interact.type, ENTITY_INTERACT_CALLBACK);
  assert_ptr_equal(item->interact.data.callback, entityItemInteract);
}

static void test_entityItemSet(void **state) {

  entity_t *item = setUpItemEntity();

  entityItemSet(item, ITEM_ID_POTION, 3);
  assert_int_equal(item->data.item.item, ITEM_ID_POTION);
  assert_int_equal(item->data.item.quantity, 3);
  assert_false(item->data.item.collected);
}

// entityItemInteract itself is NOT covered here: it unconditionally calls
// itemGive(), which calls itemGetName(), which dereferences
// LOCALE.entry->data.locale -- a real locale asset populated only by the
// async asset-loading pipeline (see localemanager.h/assetlocaleloader.h).
// That's exactly the asset-loading dependency this test pass scoped out;
// faking it cheaply isn't possible without hand-building the loader's
// internal hash format, which is more coupling than it's worth. Backpack
// bookkeeping itself is already covered by test/item/test_inventory.c-style
// tests at the inventory/backpack layer.

static void test_entityItemMovementWaitsForCollectionAndTextbox(void **state) {

  entity_t *item = setUpItemEntity();

  // Not collected yet -- stays.
  entityItemMovement(item);
  assert_int_equal(item->type, ENTITY_TYPE_ITEM);

  // Collected (set directly -- see note above on why entityItemInteract
  // itself isn't driven here), but a message is still showing -- stays.
  item->data.item.collected = true;
  uiTextboxMainSetText("Picked up!");
  entityItemMovement(item);
  assert_int_equal(item->type, ENTITY_TYPE_ITEM);

  // Once the textbox is dismissed, the entity despawns.
  uiFocusPop();
  assert_false(uiTextboxMainIsActive());
  entityItemMovement(item);
  assert_int_equal(item->type, ENTITY_TYPE_NULL);
}

int main(int argc, char** argv) {
  const struct CMUnitTest tests[] = {
    cmocka_unit_test(test_entityItemInit),
    cmocka_unit_test(test_entityItemSet),
    cmocka_unit_test(test_entityItemMovementWaitsForCollectionAndTextbox),
  };

  return cmocka_run_group_tests(tests, NULL, NULL);
}