extends GutTest

const VillagerOpportunityNoteScript := preload("res://player/VillagerOpportunityNote.gd")


func test_no_opportunity_produces_no_need() -> void:
	var note := VillagerOpportunityNote.derive(null, null, null, "", null, "", "")

	assert_not_null(note)
	assert_false(note.has_need)
	assert_eq(note.help_kind, &"")


func test_player_route_wins_over_helper_when_derivable() -> void:
	var opportunity := _open_pantry_opportunity()
	var response := _player_response()
	var helper := _helper(7)
	var pantry := _pantry(0.0, 100.0)

	var note := VillagerOpportunityNote.derive(
		opportunity, response, helper, "Tarik", pantry, "Village Pantry", "food"
	)

	assert_true(note.has_need)
	assert_eq(note.help_kind, VillagerOpportunityNote.HELP_PLAYER_ROUTE)
	assert_eq(note.need_text, "The Village Pantry needs food")
	assert_true(note.help_text.contains("You can help"))
	assert_true(note.help_text.contains("Village Pantry"))


func test_helper_is_named_when_no_player_route() -> void:
	var opportunity := _open_pantry_opportunity()
	var pantry := _pantry(0.0, 100.0)

	var note := VillagerOpportunityNote.derive(
		opportunity, null, _helper(7), "Tarik", pantry, "Village Pantry", "food"
	)

	assert_true(note.has_need)
	assert_eq(note.help_kind, VillagerOpportunityNote.HELP_HELPER)
	assert_true(note.help_text.contains("Tarik"))
	assert_true(note.help_text.contains("food"))


func test_unavailable_reports_no_room_when_storage_is_full() -> void:
	var opportunity := _open_pantry_opportunity()
	var pantry := _pantry(0.0, 0.5)

	var note := VillagerOpportunityNote.derive(
		opportunity, null, null, "", pantry, "Village Pantry", "food"
	)

	assert_true(note.has_need)
	assert_eq(note.help_kind, VillagerOpportunityNote.HELP_UNAVAILABLE)
	assert_true(note.help_text.contains("no room"))


func test_unavailable_reports_need_already_met() -> void:
	var opportunity := _open_pantry_opportunity()
	var pantry := _pantry(1.0, 100.0)

	var note := VillagerOpportunityNote.derive(
		opportunity, null, null, "", pantry, "Village Pantry", "food"
	)

	assert_true(note.has_need)
	assert_eq(note.help_kind, VillagerOpportunityNote.HELP_UNAVAILABLE)
	assert_true(note.help_text.contains("already has enough"))


func test_unavailable_reports_no_stocked_source_when_storage_has_room() -> void:
	var opportunity := _open_pantry_opportunity()
	var pantry := _pantry(0.0, 100.0)

	var note := VillagerOpportunityNote.derive(
		opportunity, null, null, "", pantry, "Village Pantry", "food"
	)

	assert_true(note.has_need)
	assert_eq(note.help_kind, VillagerOpportunityNote.HELP_UNAVAILABLE)
	assert_true(note.help_text.contains("No stocked source"))


func test_unavailable_reports_missing_storage() -> void:
	var opportunity := _open_pantry_opportunity()

	var note := VillagerOpportunityNote.derive(
		opportunity, null, null, "", null, "Village Pantry", "food"
	)

	assert_true(note.has_need)
	assert_eq(note.help_kind, VillagerOpportunityNote.HELP_UNAVAILABLE)
	assert_true(note.help_text.contains("No storage"))


func test_cache_key_uses_need_and_help_state() -> void:
	var opportunity := _open_pantry_opportunity()
	var pantry := _pantry(0.0, 100.0)
	var helper_note := VillagerOpportunityNote.derive(
		opportunity, null, _helper(7), "Tarik", pantry, "Village Pantry", "food"
	)
	var unavailable_note := VillagerOpportunityNote.derive(
		opportunity, null, null, "", pantry, "Village Pantry", "food"
	)
	var no_need := VillagerOpportunityNote.derive(null, null, null, "", null, "", "")

	assert_ne(helper_note.cache_key(), unavailable_note.cache_key())
	assert_ne(no_need.cache_key(), helper_note.cache_key())


func _open_pantry_opportunity() -> OpportunityStateRecord:
	return OpportunityStateRecord.create(
		0,
		10,
		5,
		3,
		1.0,
		SimulationIds.OPPORTUNITY_RESTOCK_EMPTY_PANTRY,
		SimulationIds.STORAGE_VILLAGE_PANTRY,
		SimulationIds.RESOURCE_FOOD
	)


func _player_response() -> OpportunityPlayerResponseResult:
	return (
		OpportunityPlayerResponseResult
		. new(
			{
				"opportunity_id": 0,
				"trigger_event_id": 5,
				"action_id": SimulationIds.ACTION_GATHER_FOOD,
				"resource_id": SimulationIds.RESOURCE_FOOD,
				"target_id": SimulationIds.STORAGE_VILLAGE_PANTRY,
				"available_source_count": 2,
				"reason":
				"No capable helper; 2 player-usable finite Food sources can supply village_pantry",
			}
		)
	)


func _helper(helper_id: int) -> OpportunityHelperResult:
	return (
		OpportunityHelperResult
		. new(
			{
				"opportunity_id": 0,
				"helper_npc_id": helper_id,
				"action_id": SimulationIds.ACTION_GATHER_FOOD,
				"source_id": "",
				"resource_id": SimulationIds.RESOURCE_FOOD,
				"trigger_event_id": 5,
				"trust": 0.8,
				"familiarity": 0.5,
				"uses_inventory": false,
				"available_source_count": 1,
				"profession_match": true,
				"reason":
				"Knows the need; trust 0.80 toward Amina; has 1 available finite Food source",
			}
		)
	)


func _pantry(amount: float, capacity: float) -> StorageStateRecord:
	return StorageStateRecord.create(
		SimulationIds.STORAGE_VILLAGE_PANTRY, {SimulationIds.RESOURCE_FOOD: amount}, capacity
	)