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

#include "dusktest.h"
#include "rpg/cutscene/cutscenesystem.h"
#include "rpg/entity/entity.h"
#include "time/time.h"

static uint8_t callbackFired;

static void recordCallback(void *userData) {
  callbackFired++;
}

// INNER is jumped into by OUTER's second item, never returning -- this is
// the "nested cutscene is a one-way jump" behavior: cutsceneCutsceneStart
// replaces CUTSCENE_SYSTEM.scene outright, and the callback item's effect
// fires in Start, not Update, so it fires the same frame the jump happens.
static cutsceneitem_t CUTSCENE_TEST_INNER_ITEMS[] = {
  { .type = CUTSCENE_ITEM_TYPE_CALLBACK, .callback = recordCallback }
};
static const cutscene_t CUTSCENE_TEST_INNER = {
  .items = CUTSCENE_TEST_INNER_ITEMS,
  .itemCount = sizeof(CUTSCENE_TEST_INNER_ITEMS) / sizeof(cutsceneitem_t),
  .pause = CUTSCENE_PAUSE_NONE
};

static cutsceneitem_t CUTSCENE_TEST_OUTER_ITEMS[] = {
  { .type = CUTSCENE_ITEM_TYPE_WAIT, .wait = 0.5f },
  {
    .type = CUTSCENE_ITEM_TYPE_CUTSCENE,
    .cutsceneRef = { .cutscene = &CUTSCENE_TEST_INNER, .name = NULL }
  }
};
static const cutscene_t CUTSCENE_TEST_OUTER = {
  .items = CUTSCENE_TEST_OUTER_ITEMS,
  .itemCount = sizeof(CUTSCENE_TEST_OUTER_ITEMS) / sizeof(cutsceneitem_t),
  .pause = CUTSCENE_PAUSE_DEFAULT
};

static void test_cutsceneSystemStartSetsUpInitialItem(void **state) {

  cutsceneSystemInit();

  cutsceneSystemStartCutscene(&CUTSCENE_TEST_OUTER);
  assert_ptr_equal(CUTSCENE_SYSTEM.scene, &CUTSCENE_TEST_OUTER);
  assert_int_equal(CUTSCENE_SYSTEM.currentItem, 0);
  assert_int_equal(CUTSCENE_SYSTEM.pause, CUTSCENE_PAUSE_DEFAULT);
}

static void test_cutsceneSystemNestedCutsceneIsOneWayJump(void **state) {

  cutsceneSystemInit();
  callbackFired = 0;
  cutsceneSystemStartCutscene(&CUTSCENE_TEST_OUTER);

  TIME.delta = 0.1f;
  cutsceneSystemUpdate();// wait not elapsed yet
  assert_ptr_equal(CUTSCENE_SYSTEM.scene, &CUTSCENE_TEST_OUTER);
  assert_int_equal(callbackFired, 0);

  // The wait elapses, advancing to the nested-cutscene item, which jumps
  // straight into INNER and starts its first item (the callback) -- all
  // within this single update call.
  TIME.delta = 1.0f;
  cutsceneSystemUpdate();
  assert_ptr_equal(CUTSCENE_SYSTEM.scene, &CUTSCENE_TEST_INNER);
  assert_int_equal(CUTSCENE_SYSTEM.currentItem, 0);
  assert_int_equal(callbackFired, 1);

  // INNER's only item (the callback) always reports complete -- one more
  // update ends the whole cutscene.
  cutsceneSystemUpdate();
  assert_null(CUTSCENE_SYSTEM.scene);
  assert_int_equal(CUTSCENE_SYSTEM.currentItem, 0xFF);
  assert_int_equal(CUTSCENE_SYSTEM.pause, CUTSCENE_PAUSE_NONE);
}

static void test_cutsceneSystemUpdateIsNoopWithNoActiveCutscene(void **state) {

  cutsceneSystemInit();

  cutsceneSystemUpdate();// should not crash
  assert_null(CUTSCENE_SYSTEM.scene);
}

static cutsceneitem_t CUTSCENE_TEST_SINGLE_WAIT_ITEMS[] = {
  { .type = CUTSCENE_ITEM_TYPE_WAIT, .wait = 1.0f }
};
static const cutscene_t CUTSCENE_TEST_SINGLE_WAIT = {
  .items = CUTSCENE_TEST_SINGLE_WAIT_ITEMS,
  .itemCount = sizeof(CUTSCENE_TEST_SINGLE_WAIT_ITEMS) / sizeof(cutsceneitem_t),
  .pause = CUTSCENE_PAUSE_NONE
};

static void test_cutsceneSystemStartWithSetsInteractEntities(void **state) {

  cutsceneSystemInit();
  entityInit(&ENTITIES[0], ENTITY_TYPE_PLAYER);
  entityInit(&ENTITIES[1], ENTITY_TYPE_NPC);

  cutsceneSystemStartCutsceneWith(
    &CUTSCENE_TEST_SINGLE_WAIT, &ENTITIES[0], &ENTITIES[1]
  );

  assert_ptr_equal(CUTSCENE_SYSTEM.entityInteract, &ENTITIES[0]);
  assert_ptr_equal(CUTSCENE_SYSTEM.entityInteracted, &ENTITIES[1]);
  assert_ptr_equal(
    cutsceneSystemGetEntity(CUTSCENE_ENTITY_INTERACT), &ENTITIES[0]
  );
  assert_ptr_equal(
    cutsceneSystemGetEntity(CUTSCENE_ENTITY_INTERACTED), &ENTITIES[1]
  );

  TIME.delta = 2.0f;
  cutsceneSystemUpdate();// ends the cutscene
  assert_null(CUTSCENE_SYSTEM.entityInteract);// reset on end
  assert_null(CUTSCENE_SYSTEM.entityInteracted);
}

static void test_cutsceneSystemGetEntitySentinelsRequireBeingSet(
  void **state
) {

  cutsceneSystemInit();

  expect_assert_failure(cutsceneSystemGetEntity(CUTSCENE_ENTITY_INTERACT));
  expect_assert_failure(cutsceneSystemGetEntity(CUTSCENE_ENTITY_INTERACTED));
  expect_assert_failure(cutsceneSystemGetEntity(CUTSCENE_ENTITY_LAST_CREATED));
  expect_assert_failure(cutsceneSystemGetEntity(CUTSCENE_ENTITY_LAST_REF));
}

static void test_cutsceneSystemGetEntityDirectIndexUpdatesLastRef(
  void **state
) {

  cutsceneSystemInit();
  entityInit(&ENTITIES[2], ENTITY_TYPE_NPC);

  entity_t *resolved = cutsceneSystemGetEntity(2);
  assert_ptr_equal(resolved, &ENTITIES[2]);
  // Resolving by direct index also updates LAST_REF.
  assert_ptr_equal(
    cutsceneSystemGetEntity(CUTSCENE_ENTITY_LAST_REF), &ENTITIES[2]
  );
}

static void test_cutsceneSystemGetAreaId(void **state) {

  cutsceneSystemInit();
  // cutsceneSystemInit() zero-inits the field -- only actually starting a
  // cutscene sets it to the "nothing created yet" sentinel.
  CUTSCENE_SYSTEM.areaLastCreated = CUTSCENE_AREA_LAST_CREATED;

  expect_assert_failure(cutsceneSystemGetAreaId(CUTSCENE_AREA_LAST_CREATED));
  assert_int_equal(cutsceneSystemGetAreaId(5), 5);// direct IDs pass through

  CUTSCENE_SYSTEM.areaLastCreated = 3;
  assert_int_equal(cutsceneSystemGetAreaId(CUTSCENE_AREA_LAST_CREATED), 3);
}

static void test_cutsceneSystemGetTextMiniId(void **state) {

  cutsceneSystemInit();
  CUTSCENE_SYSTEM.textMiniLastCreated = CUTSCENE_TEXT_MINI_LAST_CREATED;

  expect_assert_failure(
    cutsceneSystemGetTextMiniId(CUTSCENE_TEXT_MINI_LAST_CREATED)
  );
  assert_int_equal(cutsceneSystemGetTextMiniId(4), 4);

  CUTSCENE_SYSTEM.textMiniLastCreated = 1;
  assert_int_equal(
    cutsceneSystemGetTextMiniId(CUTSCENE_TEXT_MINI_LAST_CREATED), 1
  );
}

static void test_cutsceneSystemDisposeResetsState(void **state) {

  cutsceneSystemInit();
  entityInit(&ENTITIES[0], ENTITY_TYPE_PLAYER);
  cutsceneSystemStartCutsceneWith(
    &CUTSCENE_TEST_SINGLE_WAIT, &ENTITIES[0], &ENTITIES[0]
  );

  cutsceneSystemDispose();
  assert_null(CUTSCENE_SYSTEM.scene);
  assert_int_equal(CUTSCENE_SYSTEM.currentItem, 0xFF);
  assert_int_equal(CUTSCENE_SYSTEM.pause, CUTSCENE_PAUSE_NONE);
  assert_null(CUTSCENE_SYSTEM.entityInteract);
  assert_null(CUTSCENE_SYSTEM.entityInteracted);
}

// --- CUTSCENE_INSERT ---------------------------------------------------

static uint8_t insertOrderLog[8];
static uint8_t insertOrderLogCount;

static void recordOrder0(void *userData) { insertOrderLog[insertOrderLogCount++] = 0; }
static void recordOrder1(void *userData) { insertOrderLog[insertOrderLogCount++] = 1; }
static void recordOrder2(void *userData) { insertOrderLog[insertOrderLogCount++] = 2; }
static void recordOrderA(void *userData) { insertOrderLog[insertOrderLogCount++] = 3; }
static void recordOrderB(void *userData) { insertOrderLog[insertOrderLogCount++] = 4; }

static cutsceneitem_t CUTSCENE_TEST_INSERT_SNIPPET_ITEMS[] = {
  { .type = CUTSCENE_ITEM_TYPE_CALLBACK, .callback = recordOrderA },
  { .type = CUTSCENE_ITEM_TYPE_WAIT, .wait = 2.0f },
  { .type = CUTSCENE_ITEM_TYPE_CALLBACK, .callback = recordOrderB }
};
static const cutscene_t CUTSCENE_TEST_INSERT_SNIPPET = {
  .items = CUTSCENE_TEST_INSERT_SNIPPET_ITEMS,
  .itemCount =
    sizeof(CUTSCENE_TEST_INSERT_SNIPPET_ITEMS) / sizeof(cutsceneitem_t),
  .pause = CUTSCENE_PAUSE_NONE
};

static cutsceneitem_t CUTSCENE_TEST_INSERT_OUTER_ITEMS[] = {
  { .type = CUTSCENE_ITEM_TYPE_CALLBACK, .callback = recordOrder0 },
  { .type = CUTSCENE_ITEM_TYPE_WAIT, .wait = 1.0f },
  { .type = CUTSCENE_ITEM_TYPE_CALLBACK, .callback = recordOrder1 },
  {
    .type = CUTSCENE_ITEM_TYPE_INSERT,
    .insert = { .cutscene = &CUTSCENE_TEST_INSERT_SNIPPET, .name = NULL }
  },
  { .type = CUTSCENE_ITEM_TYPE_CALLBACK, .callback = recordOrder2 }
};
static const cutscene_t CUTSCENE_TEST_INSERT_OUTER = {
  .items = CUTSCENE_TEST_INSERT_OUTER_ITEMS,
  .itemCount =
    sizeof(CUTSCENE_TEST_INSERT_OUTER_ITEMS) / sizeof(cutsceneitem_t),
  .pause = CUTSCENE_PAUSE_NONE
};

static void test_cutsceneInsertSplicesItemsInPlaceThenResumes(void **state) {

  insertOrderLogCount = 0;
  cutsceneSystemInit();
  cutsceneSystemStartCutscene(&CUTSCENE_TEST_INSERT_OUTER);

  TIME.delta = 1.5f;// elapses the outer WAIT(1.0)
  cutsceneSystemUpdate();// order0 done -> starts the outer WAIT
  cutsceneSystemUpdate();// the WAIT elapses -> starts order1
  cutsceneSystemUpdate();// order1 done -> starts the INSERT, cascading into orderA

  assert_ptr_equal(CUTSCENE_SYSTEM.scene, &CUTSCENE_TEST_INSERT_SNIPPET);

  TIME.delta = 2.5f;// elapses the snippet's WAIT(2.0)
  cutsceneSystemUpdate();// orderA done -> starts snippet's WAIT
  cutsceneSystemUpdate();// snippet's WAIT elapses -> starts orderB
  cutsceneSystemUpdate();// orderB done -> pops back, starts order2

  assert_ptr_equal(CUTSCENE_SYSTEM.scene, &CUTSCENE_TEST_INSERT_OUTER);

  cutsceneSystemUpdate();// order2 done -> cutscene ends naturally
  assert_null(CUTSCENE_SYSTEM.scene);

  const uint8_t expected[] = { 0, 1, 3, 4, 2 };
  assert_int_equal(insertOrderLogCount, sizeof(expected));
  assert_memory_equal(insertOrderLog, expected, sizeof(expected));
}

static cutsceneitem_t CUTSCENE_TEST_INSERT_AS_LAST_ITEM_SNIPPET_ITEMS[] = {
  { .type = CUTSCENE_ITEM_TYPE_CALLBACK, .callback = recordOrderA }
};
static const cutscene_t CUTSCENE_TEST_INSERT_AS_LAST_ITEM_SNIPPET = {
  .items = CUTSCENE_TEST_INSERT_AS_LAST_ITEM_SNIPPET_ITEMS,
  .itemCount = sizeof(CUTSCENE_TEST_INSERT_AS_LAST_ITEM_SNIPPET_ITEMS) /
    sizeof(cutsceneitem_t),
  .pause = CUTSCENE_PAUSE_NONE
};

static cutsceneitem_t CUTSCENE_TEST_INSERT_AS_LAST_ITEM_OUTER_ITEMS[] = {
  { .type = CUTSCENE_ITEM_TYPE_CALLBACK, .callback = recordOrder0 },
  {
    .type = CUTSCENE_ITEM_TYPE_INSERT,
    .insert = {
      .cutscene = &CUTSCENE_TEST_INSERT_AS_LAST_ITEM_SNIPPET, .name = NULL
    }
  }
};
static const cutscene_t CUTSCENE_TEST_INSERT_AS_LAST_ITEM_OUTER = {
  .items = CUTSCENE_TEST_INSERT_AS_LAST_ITEM_OUTER_ITEMS,
  .itemCount = sizeof(CUTSCENE_TEST_INSERT_AS_LAST_ITEM_OUTER_ITEMS) /
    sizeof(cutsceneitem_t),
  .pause = CUTSCENE_PAUSE_NONE
};

static void test_cutsceneInsertAsLastItemEndsCutsceneNaturally(
  void **state
) {

  insertOrderLogCount = 0;
  cutsceneSystemInit();
  cutsceneSystemStartCutscene(&CUTSCENE_TEST_INSERT_AS_LAST_ITEM_OUTER);

  cutsceneSystemUpdate();// order0 done -> starts INSERT, cascades to orderA
  assert_ptr_equal(
    CUTSCENE_SYSTEM.scene, &CUTSCENE_TEST_INSERT_AS_LAST_ITEM_SNIPPET
  );

  // orderA is the snippet's only item, and the snippet is the outer's last
  // item -- finishing it should pop straight through to the natural end
  // of the whole cutscene, not get stuck.
  cutsceneSystemUpdate();
  assert_null(CUTSCENE_SYSTEM.scene);

  const uint8_t expected[] = { 0, 3 };
  assert_int_equal(insertOrderLogCount, sizeof(expected));
  assert_memory_equal(insertOrderLog, expected, sizeof(expected));
}

static cutsceneitem_t CUTSCENE_TEST_INSERT_NESTED_INNER_ITEMS[] = {
  { .type = CUTSCENE_ITEM_TYPE_CALLBACK, .callback = recordOrderA }
};
static const cutscene_t CUTSCENE_TEST_INSERT_NESTED_INNER = {
  .items = CUTSCENE_TEST_INSERT_NESTED_INNER_ITEMS,
  .itemCount =
    sizeof(CUTSCENE_TEST_INSERT_NESTED_INNER_ITEMS) / sizeof(cutsceneitem_t),
  .pause = CUTSCENE_PAUSE_NONE
};

// INSERT is MID's first item, so entering MID (from OUTER) cascades
// straight through into INNER within the same Start chain, one level
// deeper than a single insert.
static cutsceneitem_t CUTSCENE_TEST_INSERT_NESTED_MID_ITEMS[] = {
  {
    .type = CUTSCENE_ITEM_TYPE_INSERT,
    .insert = { .cutscene = &CUTSCENE_TEST_INSERT_NESTED_INNER, .name = NULL }
  },
  { .type = CUTSCENE_ITEM_TYPE_CALLBACK, .callback = recordOrderB }
};
static const cutscene_t CUTSCENE_TEST_INSERT_NESTED_MID = {
  .items = CUTSCENE_TEST_INSERT_NESTED_MID_ITEMS,
  .itemCount =
    sizeof(CUTSCENE_TEST_INSERT_NESTED_MID_ITEMS) / sizeof(cutsceneitem_t),
  .pause = CUTSCENE_PAUSE_NONE
};

static cutsceneitem_t CUTSCENE_TEST_INSERT_NESTED_OUTER_ITEMS[] = {
  { .type = CUTSCENE_ITEM_TYPE_CALLBACK, .callback = recordOrder0 },
  {
    .type = CUTSCENE_ITEM_TYPE_INSERT,
    .insert = { .cutscene = &CUTSCENE_TEST_INSERT_NESTED_MID, .name = NULL }
  },
  { .type = CUTSCENE_ITEM_TYPE_CALLBACK, .callback = recordOrder2 }
};
static const cutscene_t CUTSCENE_TEST_INSERT_NESTED_OUTER = {
  .items = CUTSCENE_TEST_INSERT_NESTED_OUTER_ITEMS,
  .itemCount =
    sizeof(CUTSCENE_TEST_INSERT_NESTED_OUTER_ITEMS) / sizeof(cutsceneitem_t),
  .pause = CUTSCENE_PAUSE_NONE
};

static void test_cutsceneInsertNestsThroughMultipleLevels(void **state) {

  insertOrderLogCount = 0;
  cutsceneSystemInit();
  cutsceneSystemStartCutscene(&CUTSCENE_TEST_INSERT_NESTED_OUTER);

  // order0 done -> starts INSERT(MID), cascading through INSERT(INNER) ->
  // orderA, all within this one Update call's Start chain.
  cutsceneSystemUpdate();
  assert_ptr_equal(CUTSCENE_SYSTEM.scene, &CUTSCENE_TEST_INSERT_NESTED_INNER);

  cutsceneSystemUpdate();// orderA done -> pops to MID, starts orderB
  assert_ptr_equal(CUTSCENE_SYSTEM.scene, &CUTSCENE_TEST_INSERT_NESTED_MID);

  cutsceneSystemUpdate();// orderB done -> pops to OUTER, starts order2
  assert_ptr_equal(CUTSCENE_SYSTEM.scene, &CUTSCENE_TEST_INSERT_NESTED_OUTER);

  cutsceneSystemUpdate();// order2 done -> ends naturally
  assert_null(CUTSCENE_SYSTEM.scene);

  const uint8_t expected[] = { 0, 3, 4, 2 };
  assert_int_equal(insertOrderLogCount, sizeof(expected));
  assert_memory_equal(insertOrderLog, expected, sizeof(expected));
}

static cutsceneitem_t CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL5_ITEMS[] = {
  { .type = CUTSCENE_ITEM_TYPE_CALLBACK, .callback = recordOrderA }
};
static const cutscene_t CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL5 = {
  .items = CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL5_ITEMS,
  .itemCount = sizeof(CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL5_ITEMS) /
    sizeof(cutsceneitem_t),
  .pause = CUTSCENE_PAUSE_NONE
};
static cutsceneitem_t CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL4_ITEMS[] = {
  {
    .type = CUTSCENE_ITEM_TYPE_INSERT,
    .insert = { .cutscene = &CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL5, .name = NULL }
  }
};
static const cutscene_t CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL4 = {
  .items = CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL4_ITEMS,
  .itemCount = sizeof(CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL4_ITEMS) /
    sizeof(cutsceneitem_t),
  .pause = CUTSCENE_PAUSE_NONE
};
static cutsceneitem_t CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL3_ITEMS[] = {
  {
    .type = CUTSCENE_ITEM_TYPE_INSERT,
    .insert = { .cutscene = &CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL4, .name = NULL }
  }
};
static const cutscene_t CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL3 = {
  .items = CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL3_ITEMS,
  .itemCount = sizeof(CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL3_ITEMS) /
    sizeof(cutsceneitem_t),
  .pause = CUTSCENE_PAUSE_NONE
};
static cutsceneitem_t CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL2_ITEMS[] = {
  {
    .type = CUTSCENE_ITEM_TYPE_INSERT,
    .insert = { .cutscene = &CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL3, .name = NULL }
  }
};
static const cutscene_t CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL2 = {
  .items = CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL2_ITEMS,
  .itemCount = sizeof(CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL2_ITEMS) /
    sizeof(cutsceneitem_t),
  .pause = CUTSCENE_PAUSE_NONE
};
static cutsceneitem_t CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL1_ITEMS[] = {
  {
    .type = CUTSCENE_ITEM_TYPE_INSERT,
    .insert = { .cutscene = &CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL2, .name = NULL }
  }
};
static const cutscene_t CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL1 = {
  .items = CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL1_ITEMS,
  .itemCount = sizeof(CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL1_ITEMS) /
    sizeof(cutsceneitem_t),
  .pause = CUTSCENE_PAUSE_NONE
};
static cutsceneitem_t CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL0_ITEMS[] = {
  {
    .type = CUTSCENE_ITEM_TYPE_INSERT,
    .insert = { .cutscene = &CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL1, .name = NULL }
  }
};
static const cutscene_t CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL0 = {
  .items = CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL0_ITEMS,
  .itemCount = sizeof(CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL0_ITEMS) /
    sizeof(cutsceneitem_t),
  .pause = CUTSCENE_PAUSE_NONE
};

static void test_cutsceneInsertAssertsWhenNestingExceedsStackMax(
  void **state
) {

  cutsceneSystemInit();

  // 5 levels of INSERT deep, one past CUTSCENE_INSERT_STACK_MAX (4) --
  // all cascade synchronously within this one call, since each level's
  // only item is the INSERT starting immediately.
  expect_assert_failure(
    cutsceneSystemStartCutscene(&CUTSCENE_TEST_INSERT_OVERFLOW_LEVEL0)
  );
}

static void noopInsertCallback(void *userData) {}

static cutsceneitem_t CUTSCENE_TEST_INSERT_PERSIST_SNIPPET_ITEMS[] = {
  { .type = CUTSCENE_ITEM_TYPE_CALLBACK, .callback = noopInsertCallback }
};
static const cutscene_t CUTSCENE_TEST_INSERT_PERSIST_SNIPPET = {
  .items = CUTSCENE_TEST_INSERT_PERSIST_SNIPPET_ITEMS,
  .itemCount = sizeof(CUTSCENE_TEST_INSERT_PERSIST_SNIPPET_ITEMS) /
    sizeof(cutsceneitem_t),
  .pause = CUTSCENE_PAUSE_ALL
};

static cutsceneitem_t CUTSCENE_TEST_INSERT_PERSIST_OUTER_ITEMS[] = {
  {
    .type = CUTSCENE_ITEM_TYPE_INSERT,
    .insert = { .cutscene = &CUTSCENE_TEST_INSERT_PERSIST_SNIPPET, .name = NULL }
  }
};
static const cutscene_t CUTSCENE_TEST_INSERT_PERSIST_OUTER = {
  .items = CUTSCENE_TEST_INSERT_PERSIST_OUTER_ITEMS,
  .itemCount = sizeof(CUTSCENE_TEST_INSERT_PERSIST_OUTER_ITEMS) /
    sizeof(cutsceneitem_t),
  .pause = CUTSCENE_PAUSE_NPC
};

static void test_cutsceneInsertDoesNotResetPauseOrInteractEntities(
  void **state
) {

  cutsceneSystemInit();
  entityInit(&ENTITIES[3], ENTITY_TYPE_PLAYER);
  entityInit(&ENTITIES[4], ENTITY_TYPE_NPC);

  cutsceneSystemStartCutsceneWith(
    &CUTSCENE_TEST_INSERT_PERSIST_OUTER, &ENTITIES[3], &ENTITIES[4]
  );

  // The INSERT item's Start already cascaded into the snippet by now.
  assert_ptr_equal(
    CUTSCENE_SYSTEM.scene, &CUTSCENE_TEST_INSERT_PERSIST_SNIPPET
  );
  assert_ptr_equal(CUTSCENE_SYSTEM.entityInteract, &ENTITIES[3]);
  assert_ptr_equal(CUTSCENE_SYSTEM.entityInteracted, &ENTITIES[4]);
  // The snippet declares ALL, but INSERT doesn't apply it -- the outer
  // cutscene's NPC pause, already in effect, stands.
  assert_int_equal(CUTSCENE_SYSTEM.pause, CUTSCENE_PAUSE_NPC);
}

int main(int argc, char** argv) {
  const struct CMUnitTest tests[] = {
    cmocka_unit_test(test_cutsceneSystemStartSetsUpInitialItem),
    cmocka_unit_test(test_cutsceneSystemNestedCutsceneIsOneWayJump),
    cmocka_unit_test(test_cutsceneSystemUpdateIsNoopWithNoActiveCutscene),
    cmocka_unit_test(test_cutsceneSystemStartWithSetsInteractEntities),
    cmocka_unit_test(test_cutsceneSystemGetEntitySentinelsRequireBeingSet),
    cmocka_unit_test(test_cutsceneSystemGetEntityDirectIndexUpdatesLastRef),
    cmocka_unit_test(test_cutsceneSystemGetAreaId),
    cmocka_unit_test(test_cutsceneSystemGetTextMiniId),
    cmocka_unit_test(test_cutsceneSystemDisposeResetsState),
    cmocka_unit_test(test_cutsceneInsertSplicesItemsInPlaceThenResumes),
    cmocka_unit_test(test_cutsceneInsertAsLastItemEndsCutsceneNaturally),
    cmocka_unit_test(test_cutsceneInsertNestsThroughMultipleLevels),
    cmocka_unit_test(test_cutsceneInsertAssertsWhenNestingExceedsStackMax),
    cmocka_unit_test(test_cutsceneInsertDoesNotResetPauseOrInteractEntities),
  };

  return cmocka_run_group_tests(tests, NULL, NULL);
}