extends Control
## Throwaway harness — the bounded-NPC loop on screen, not shipped UI. Type an
## utterance to Fenn, see his voiced prose, watch moves apply and disposition
## change, until he ends the conversation. Mirrors narrate_harness. Run this
## scene directly (F6) with the proxy + Ollama up.

const NpcService = preload("res://scripts/net/npc_service.gd")
const NpcContent = preload("res://scripts/npc/npc_content.gd")
const MoveApplier = preload("res://scripts/npc/move_applier.gd")
const ContentDB = preload("res://scripts/content/content_db.gd")
const HttpTransport = preload("res://scripts/net/http_transport.gd")
const FallbackLibrary = preload("res://scripts/net/fallback_library.gd")

const NPC_ID := "fenn"

var _service: NpcService
var _content: ContentDB
var _game_state: GameState
var _canon_log: CanonLog
var _output: RichTextLabel
var _entry: LineEdit
var _speak_btn: Button


func _ready() -> void:
	var http := HTTPRequest.new()
	add_child(http)
	_service = NpcService.new(HttpTransport.new(http), FallbackLibrary.new())

	_content = ContentDB.new()
	_content.load_from(ContentDB.default_content_root())

	_game_state = GameState.new()
	_canon_log = CanonLog.new()
	_canon_log.set_location("greywater_docks", "Greywater Docks")
	_canon_log.player.name = "Aldric"
	_canon_log.player.class_id = "sellsword"
	# Deliberately no find_the_ledger quest here — leave it un-started so Fenn
	# can offer_quest it during the conversation.

	var vbox := VBoxContainer.new()
	vbox.set_anchors_preset(Control.PRESET_FULL_RECT)
	vbox.add_theme_constant_override("separation", 12)
	add_child(vbox)

	_output = RichTextLabel.new()
	_output.bbcode_enabled = true
	_output.fit_content = true
	_output.custom_minimum_size = Vector2(600, 400)
	vbox.add_child(_output)

	_entry = LineEdit.new()
	_entry.placeholder_text = "Say something to Fenn…"
	vbox.add_child(_entry)

	_speak_btn = Button.new()
	_speak_btn.text = "Speak"
	_speak_btn.pressed.connect(_on_speak)
	vbox.add_child(_speak_btn)


func _on_speak() -> void:
	var utterance := _entry.text
	if utterance.strip_edges() == "":
		return
	_entry.text = ""
	_speak_btn.disabled = true
	_append("[b]You:[/b] %s" % utterance)

	var disposition := int(_game_state.npc_dispositions.get(NPC_ID, 0))
	var available := NpcContent.available_moves(_content.npc(NPC_ID), _game_state, _canon_log)

	var r: NpcResult = await _service.speak(
		NPC_ID, utterance, _canon_log, disposition, available)

	# Apply state explicitly (§2) — the service applied nothing.
	MoveApplier.apply(r.valid_moves, _game_state, _canon_log, _content, NPC_ID)
	for f in r.facts:
		_canon_log.add_fact(f)

	_append("[b]Fenn:[/b] %s" % r.display_text)
	_append("[i]moves: %d applied, %d dropped · disposition %d%s[/i]" % [
		r.valid_moves.size(), r.dropped_moves.size(),
		int(_game_state.npc_dispositions.get(NPC_ID, 0)),
		"  (degraded)" if r.degraded else ""])

	if r.ends_conversation:
		_append("[i]— Fenn ends the conversation. —[/i]")
	else:
		_speak_btn.disabled = false


func _append(bbcode: String) -> void:
	_output.append_text(bbcode + "\n\n")