class_name VerdictSegment
extends RefCounted
# ⑤ 判定段 Segment（P1-1 结算巨函数拆段；段边界=审计五段〔裁点③甲〕）。
# 职责：防御性优先级 hero 先判（双死结构不可达的纵深防御）→ 全量状态快照（despawn 前
#       组装——终局含 result）→ 终局行+收束分派 / 下一轮出口分发。
# 返回值 = 裁定（"victory"/"defeat"/"continue"）——宿主 _settle 据此保持旧早退语义
#（终局不回置 _settling，_battle_over 接管）；本段零算法改动（🔴 零行为变更契约）。

var oc: BattleOrchestrator   # 宿主（类型标注=段内 := 推断前提；循环类名引用 Godot 4 全局类安全） 宿主


func _init(host) -> void:
	oc = host


func run(ri: int) -> String:
	var verdict := "continue"
	if int(oc._enemy_system.hero_unit().get("hp", 0)) <= 0:
		verdict = "defeat"
	elif oc._enemy_system.query_alive("enemy").is_empty():
		verdict = "victory"
	oc._emit_settlement_snapshot(verdict)   # 全量状态快照（despawn 前组装——终局含 result）
	if verdict == "defeat":
		oc._emit_row({"type": "verdict", "source_class": "", "origin_cell": Vector2i(-1, -1)}, ri, "战斗失败", 0, {})
		oc._battle_over("defeat")
		return verdict
	if verdict == "victory":
		oc._emit_row({"type": "verdict", "source_class": "", "origin_cell": Vector2i(-1, -1)}, ri, "战斗胜利", 1, {})
		oc._battle_over("victory")
		return verdict
	oc._emit_row({"type": "verdict", "source_class": "", "origin_cell": Vector2i(-1, -1)}, ri, "下一轮次", 0, {})
	oc._exit_distribution()
	return verdict