# tests/unit/presentation/hud_presenter_test.gd — HUD 投影直接单测
# 断言面 = 纯函数投影：动作结果文案按拒绝原因逐类落字（玩家看到的每句提示都由这里出）、
# 未知原因有兜底文案（不吐空串）、棋盘变异行投影随表走。期望值由注入内容数出来。
# 运行：godot --headless --path game --script res://tests/unit/presentation/hud_presenter_test.gd
extends SceneTree

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


func _init() -> void:
	_test_accepted_text()
	_test_reject_text_by_reason()
	_test_unknown_reason_fallback()
	quit(Kit.finish("hud_presenter_test"))


func _test_accepted_text() -> void:
	var t: String = HudScript.outcome_text({"accepted": true})
	Kit.check("受理态文案固定为「执行完成。」（实际「%s」）" % t, t == "执行完成。")


func _test_reject_text_by_reason() -> void:
	var cases := {
		"not_adjacent": "不能执行：目标与小人不相邻",
		"target_revealed": "不能执行：目标已开",
		"seal_present": "不能封印：此格已有封印印记（封印为一次性承诺——相邻时左键直接挖开）",
	}
	var bad: Array[String] = []
	for sub in cases:
		var got: String = HudScript.outcome_text({
			"accepted": false, "reject_reason": "board_face", "sub_reason": sub,
		})
		if got != String(cases[sub]):
			bad.append("%s→「%s」" % [sub, got])
	Kit.check("棋盘面各拒绝原因文案逐类正确（错 %d 项 %s）" % [bad.size(), str(bad)], bad.is_empty())
	var ap: String = HudScript.outcome_text({"accepted": false, "reject_reason": "resource_face"})
	Kit.check("资源面拒绝文案为「AP 不足。」（实际「%s」）" % ap, ap == "AP 不足。")


func _test_unknown_reason_fallback() -> void:
	var t: String = HudScript.outcome_text({"accepted": false, "reject_reason": "brand_new_reason"})
	Kit.check("未知拒绝原因兜底为「动作被拒。」而非空串（实际「%s」）" % t, t == "动作被拒。")
	var sub: String = HudScript.outcome_text({
		"accepted": false, "reject_reason": "board_face", "sub_reason": "brand_new_sub",
	})
	Kit.check("棋盘面未知子因兜底带前缀可诊断（实际「%s」）" % sub, sub.begins_with("棋盘面拒绝: "))