class_name GuestObservationPanel
extends VBoxContainer

const NEED_NAMES := {&"hunger": "食欲", &"sleep": "睡眠欲", &"leisure": "娯楽欲", &"intimacy": "性欲", &"hygiene": "衛生", &"medical": "救護"}
const STATES := ["到着", "入館", "行先を検討", "移動中", "待機中", "利用中", "退館中", "退館", "再検討", "待機終了", "中断", "避難中", "気絶"]
const REJECTION_NAMES := {
	"MISSING_INPUTS": "食材・資材不足", "FACILITY_CLOSED": "閉店・稼働停止", "UNREACHABLE": "経路なし",
	"CANNOT_PAY": "利用可能な資金が不足", "ETA_AFTER_EXIT": "出発予定に間に合わない",
	"WAIT_HARD_LIMIT": "待ち時間が長すぎる", "QUALITY_TOO_LOW": "希望する品質に届かない",
	"RISK_REFUSED": "危険度が高い", "ILLEGALITY_REFUSED": "違法性を敬遠",
	"MISSING_PERMISSION": "利用資格なし", "FORBIDDEN_GUEST_TAG": "利用対象外",
	"GUEST_TYPE_NOT_ALLOWED": "利用対象外", "ADULT_NOT_VERIFIED": "年齢条件を満たさない",
	"CONTENT_FILTERED": "利用設定の対象外", "INVALID_NEED_MAP": "施設設定を確認できない",
}
var guests: OptionButton
var details: Label
var decision_label: Label
var priority_label: Label
var bars: Dictionary = {}
var selected_guest_id: StringName = &""
var _runtime: Variant
var _ids: Array[StringName] = []
var _elapsed := 0.0

func configure(runtime: Variant) -> void:
	_runtime = runtime

func _ready() -> void:
	name = "GuestObservationPanel"
	custom_minimum_size = Vector2(420, 340)
	add_theme_constant_override("separation", 8)
	guests = OptionButton.new()
	guests.item_selected.connect(func(index: int) -> void:
		selected_guest_id = StringName(guests.get_item_metadata(index))
		refresh())
	add_child(guests)
	details = _label()
	for need: StringName in GuestService.PRIMARY_NEEDS:
		var row := HBoxContainer.new()
		var title := Label.new()
		title.text = NEED_NAMES[need]
		title.custom_minimum_size.x = 85
		row.add_child(title)
		var bar := ProgressBar.new()
		bar.max_value = 100
		bar.size_flags_horizontal = Control.SIZE_EXPAND_FILL
		row.add_child(bar)
		bars[need] = bar
		add_child(row)
	priority_label = _label()
	decision_label = _label()
	_label().text = "欲求が高いほど、そのサービスを優先します。\n利用できる施設の中で欲求を優先し、同じ優先度なら距離・行列・料金などで比較します。\n表示は現在の欲求です。移動・利用の途中で目的地を勝手に変更しません。"
	refresh()

func _label() -> Label:
	var label := Label.new()
	label.autowrap_mode = TextServer.AUTOWRAP_WORD_SMART
	add_child(label)
	return label

func _process(delta: float) -> void:
	if not is_visible_in_tree() or not get_window().visible:
		return
	_elapsed += delta
	if _elapsed >= 0.5:
		_elapsed = 0
		refresh()

## Clear optional saved presentation while rebuilding the actual loaded roster.
## Opening or polling the visible observer retains the normal first-row choice.
func clear_selection() -> void:
	selected_guest_id = &""
	_elapsed = 0.0
	refresh(false)

func refresh(select_first_if_empty: bool = true) -> void:
	if guests == null or _runtime == null:
		return
	var service: Variant = _runtime.get(&"guest_service")
	if service == null:
		return
	var next: Array[StringName] = []
	for guest: GuestRuntime in service.get_guests(): next.append(guest.guest_id)
	if next != _ids:
		_ids = next
		guests.clear()
		for id: StringName in _ids:
			guests.add_item(String(id))
			guests.set_item_metadata(guests.item_count-1, id)
	if not _ids.has(selected_guest_id) and (not selected_guest_id.is_empty() or select_first_if_empty):
		selected_guest_id = _ids[0] if not _ids.is_empty() else &""
	guests.disabled = _ids.is_empty()
	if _ids.has(selected_guest_id):
		guests.select(_ids.find(selected_guest_id))
	else:
		guests.select(-1)
	var report: Dictionary = service.get_observation(selected_guest_id)
	for need: StringName in bars:
		bars[need].value = report.get(&"needs", {}).get(need, 0)
	if report.is_empty():
		details.text = "現在、来客はいません。" if _ids.is_empty() else "来客を選択してください。"
		priority_label.text = ""
		decision_label.text = ""
		return
	var target := String(report[&"target_facility_id"])
	var facility: Variant = _runtime.facility_service.get_instance(StringName(target))
	if facility != null:
		var definition: Variant = _runtime.definition_registry.get_facility(facility.definition_id)
		if definition != null: target = definition.display_name
	if target.is_empty(): target = "未選択"
	details.text = "%s · 所持金 %dG · 忍耐 %d\n目的地: %s" % [STATES[int(report[&"state"])], report[&"wallet_gold"], report[&"patience"], target]
	var names: PackedStringArray = []
	for need: StringName in report[&"primary_needs"]: names.append(NEED_NAMES[need])
	priority_label.text = "現在最も高い欲求: " + ("なし" if names.is_empty() else "・".join(names))
	decision_label.text = _decision_text(_runtime.get_guest_decision_record(selected_guest_id))


func _decision_text(record: Dictionary) -> String:
	if record.is_empty():
		return "直近の行先判断：記録なし（判断前、旧セーブ、または履歴の保存範囲外）"
	var minute := int(record.get(&"absolute_minute", 0))
	var title := "直近の行先判断 · %d日目 %02d:%02d" % [minute / 1440 + 1, (minute % 1440) / 60, minute % 60]
	if StringName(record.get(&"action", &"")) == &"LEAVE":
		return title + "\n条件を満たして選べる施設がなく、退館を選びました。" + _rejection_text(record)
	var id := StringName(record.get(&"facility_id", &""))
	var destination := String(id)
	var facility: Variant = _runtime.facility_service.get_instance(id)
	if facility != null:
		var definition: Variant = _runtime.definition_registry.get_facility(facility.definition_id)
		if definition != null: destination = definition.display_name
	var needs: PackedStringArray = []
	for need: StringName in record.get(&"primary_needs", []):
		needs.append("%s %d" % [NEED_NAMES.get(need, String(need)), int(record.get(&"needs", {}).get(need, 0))])
	return title + "\n選択：%s ／ 判断時の最大欲求：%s\n移動 %d分・待ち %d分・見込料金 %dG\n選択候補の欲求優先度 %d・比較評価 %d（判断時点）" % [destination, "・".join(needs) if not needs.is_empty() else "なし", int(record.get(&"travel_minutes", 0)), int(record.get(&"wait_minutes", 0)), int(record.get(&"estimated_total_gold", 0)), int(record.get(&"need_priority", 0)), int(record.get(&"utility", 0))] + _rejection_text(record)


func _rejection_text(record: Dictionary) -> String:
	if not record.has(&"rejection_counts"):
		return "\n候補の除外理由：この記録にはありません。"
	var counts: Dictionary = record[&"rejection_counts"]
	if counts.is_empty():
		return "\n今回検討した候補には、利用条件による除外はありません。"
	var reasons: PackedStringArray = []
	var keys := counts.keys()
	keys.sort()
	for reason: String in keys:
		reasons.append("%s %d施設" % [REJECTION_NAMES.get(reason, "条件を満たさない"), int(counts[reason])])
	var text := "\n判断時の除外理由：" + "・".join(reasons)
	for row: Dictionary in record.get(&"rejection_examples", []):
		var id := StringName(row.get(&"facility_id", &""))
		var facility: Variant = _runtime.facility_service.get_instance(id)
		var label := String(id)
		if facility != null:
			var definition: Variant = _runtime.definition_registry.get_facility(facility.definition_id)
			if definition != null: label = "%s（%s）" % [definition.display_name, id]
		text += "\n・%s：%s" % [label, REJECTION_NAMES.get(String(row.get(&"reason", "")), "条件を満たさない")]
	var omitted: int = int(record.get(&"rejection_count", 0)) - record.get(&"rejection_examples", []).size()
	if omitted > 0: text += "\nほか%d施設（件数は上記に含みます）" % omitted
	return text