# tests/unit/presentation/battle_narrator_test.gd — 战斗叙述直接单测
# 断言面 = 纯函数文案：休整/商店/终局三类叙述把数值带进去（玩家读数面由这里出）、
# 胜负两态文案互异、未知输入有兜底不吐空串。期望值由注入内容数出来。
# 运行：godot --headless --path game --script res://tests/unit/presentation/battle_narrator_test.gd
extends SceneTree

const Kit := preload("res://tests/unit/test_kit.gd")
const NarratorScript := preload("res://presentation/battle_narrator.gd")


# 叙述寻址的 runner 替身：只提供 boss_name 实际读的两项（当前节点、关卡行）
class _BossRunner:
	var level_row: Dictionary = {"level_index": 1}
	var node: Dictionary = {}

	func current_node() -> Dictionary:
		return node


func _init() -> void:
	_test_numeric_lines_carry_values()
	_test_end_text_differs_by_result()
	_test_phase_text_nonempty()
	_test_boss_name_uses_boss_rowset()
	quit(Kit.finish("battle_narrator_test"))


func _test_numeric_lines_carry_values() -> void:
	var rest: String = NarratorScript.rest_line(12, 30, 40)
	Kit.check("休整叙述带入回复量与当前血量（实际「%s」）" % rest,
		rest.contains("12") and rest.contains("30") and rest.contains("40"))
	var shop: String = NarratorScript.shop_line(77)
	Kit.check("商店叙述带入 GP 数（实际「%s」）" % shop, shop.contains("77"))
	Kit.check("奖励行与休整行互异（不是同一句套所有场景）",
		NarratorScript.reward_line() != rest)


func _test_end_text_differs_by_result() -> void:
	# 关卡收束（level_end=true）恒为「关卡通关！」——单场胜负文案只在非收束态出现
	var level: String = NarratorScript.battle_end_text("lose", true)
	Kit.check("关卡收束态恒为「关卡通关！」（实际「%s」）" % level, level == "关卡通关！")
	var win: String = NarratorScript.battle_end_text("victory", false)
	var lose: String = NarratorScript.battle_end_text("lose", false)
	Kit.check("单场胜负文案互异（胜「%s」/负「%s」）" % [win, lose], win != lose)
	Kit.check("胜利文案非空（实际「%s」）" % win, win != "")
	var unknown: String = NarratorScript.battle_end_text("something_else", false)
	Kit.check("未知结果有兜底文案不吐空串（实际「%s」）" % unknown, unknown != "")


func _test_phase_text_nonempty() -> void:
	var t: String = NarratorScript.phase_text(1, "", false, false, "")
	Kit.check("相位叙述非空（实际「%s」）" % t, t != "")
	var boss: String = NarratorScript.phase_text(2, "", false, true, "灰矮人石君王")
	Kit.check("Boss 在场时叙述带入 Boss 名（实际「%s」）" % boss, boss.contains("灰矮人石君王"))


# 叙述寻址按行类取 Boss 行集（S 清单 S15 换代）：Boss 节点名必须来自 (关卡, boss, 带) 行集，
# 不能落到同深度的战斗行集——期望名由表行集首行读出，不写死字面量。
func _test_boss_name_uses_boss_rowset() -> void:
	var db = load("res://core/config_db.gd").new()
	var loaded: bool = db.load_tables("res://data/tables", false)
	Kit.check_quiet(loaded, "叙述寻址用例：数值表加载成功")
	if not loaded:
		return
	var boss_row := {}
	for row in db.enemy.rows:
		if int(row.level_index) == 1 and String(row.get("row_kind", "")) == "boss":
			boss_row = row
			break
	Kit.check_quiet(not boss_row.is_empty(), "叙述寻址用例：第一关有 Boss 行")
	if boss_row.is_empty():
		return
	var boss_depth: int = int(boss_row.depth_band)
	var boss_rows: Array = db.resolve_enemy_rowset(1, boss_depth, "boss")
	var battle_rows: Array = db.resolve_enemy_rowset(1, boss_depth, "battle")
	var boss_expect := String(boss_rows[0].get("display_name", ""))
	var battle_name := String(battle_rows[0].get("display_name", ""))
	var runner := _BossRunner.new()
	runner.node = {"node_depth": boss_depth, "type": "boss"}
	var got: String = NarratorScript.boss_name(runner, db)
	Kit.check("Boss 名取自 Boss 行集首行（期望「%s」实际「%s」）〔fv24〕" % [boss_expect, got], got == boss_expect)
	Kit.check("Boss 名与同深度战斗行集名不同（期望「%s」≠「%s」——行类路由可判别）〔fv24〕" % [boss_expect, battle_name], boss_expect != battle_name)