class_name GameManager
extends Node
## Wireframe: connects a scenario to a ShiftCoordinator, spawns NPC avatars,
## and routes player input into the interaction and access flows.

const Rules := preload("res://src/core/rules.gd")
const AccessArtifact := preload("res://src/core/access_artifact.gd")
const AccessVerifier := preload("res://src/core/access_verifier.gd")
const RadioSystem := preload("res://src/core/radio_system.gd")
const ScenarioFactory := preload("res://src/content/scenario_factory.gd")
const ShiftCoordinator := preload("res://src/core/shift_coordinator.gd")
const VenueScenario := preload("res://src/core/venue_scenario.gd")
const WorldBuilder := preload("res://src/game/world_builder.gd")
const GuardController := preload("res://src/game/guard_controller.gd")
const NpcAvatar := preload("res://src/game/npc_avatar.gd")
const Hud := preload("res://src/game/ui/hud.gd")
const RadioPanel := preload("res://src/game/ui/radio_panel.gd")
const ShiftReview := preload("res://src/game/ui/shift_review.gd")

var coordinator: ShiftCoordinator = null
var guard: GuardController = null
var hud: Hud = null
var radio_panel: RadioPanel = null
var shift_review_panel: ShiftReview = null
var verifier := AccessVerifier.new()

var active_scenario_id := "hollywood_building"
var scenario_duration_s: float = 300.0 # shortened prototype duration for testing
var scene_root: Node3D = null
var npcs: Array = []
var npc_counter := 0
var targeted_npc: Object = null
var inspection_open := false
var current_incident_npc_id := ""
var current_incident_active := false
var current_npc_truth := {"weapons_seen": false, "danger_level": 0}

func _ready() -> void:
	scene_root = Node3D.new()
	scene_root.name = "SceneRoot"
	add_child(scene_root)

	WorldBuilder.new(scene_root).build()
	_ensure_lighting()

	guard = _build_guard()
	scene_root.add_child(guard)
	guard.global_position = Vector3(0, 1.6, -2.5)
	guard.picked_target.connect(_on_guard_target)
	guard.cleared_target.connect(_on_guard_clear)

	selected_scenario = _build_scenario(active_scenario_id)
	coordinator = ShiftCoordinator.new()
	coordinator.setup(selected_scenario, scenario_duration_s, 4242)
	coordinator.npc_spawn_requested.connect(_spawn_npc)
	coordinator.shift_ended.connect(_on_shift_ended)

	_build_ui()
	coordinator.start()

var selected_scenario: VenueScenario = null

func _build_guard() -> GuardController:
	var g := GuardController.new()
	g.name = "Guard"
	var head := Node3D.new()
	head.name = "Head"
	g.add_child(head)
	var camera := Camera3D.new()
	camera.name = "Camera3D"
	camera.current = true
	head.add_child(camera)
	var collider := CollisionShape3D.new()
	var shape := CapsuleShape3D.new()
	shape.radius = 0.4
	shape.height = 1.7
	collider.shape = shape
	collider.position = Vector3(0, 0.85, 0)
	g.add_child(collider)
	return g

func _build_scenario(id: String) -> VenueScenario:
	match id:
		"joke_shop":
			return ScenarioFactory.joke_shop()
		"tv_studio":
			return ScenarioFactory.tv_studio()
		_:
			return ScenarioFactory.hollywood_building()

func switch_scenario(id: String) -> void:
	active_scenario_id = id
	selected_scenario = _build_scenario(id)
	if coordinator:
		restart_shift()

func restart_shift() -> void:
	shift_review_panel.hide()
	for n in npcs:
		n.queue_free()
	npcs.clear()
	npc_counter = 0
	inspector_current_events = []
	current_incident_active = false
	current_incident_npc_id = ""
	coordinator.setup(selected_scenario, scenario_duration_s, 4242)
	coordinator.start()

var inspector_current_events: Array = []

func _build_ui() -> void:
	hud = Hud.new()
	add_child(hud)
	radio_panel = RadioPanel.new()
	add_child(radio_panel)
	radio_panel.hide()
	radio_panel.submitted.connect(_on_radio_submitted)
	radio_panel.cancelled.connect(func():
		radio_panel.hide()
		hud.set_action_hint(""))
	shift_review_panel = ShiftReview.new()
	add_child(shift_review_panel)
	shift_review_panel.hide()
	shift_review_panel.restart_requested.connect(restart_shift)

func _ensure_lighting() -> void:
	var sun := DirectionalLight3D.new()
	sun.rotation_degrees = Vector3(-50, -30, 0)
	sun.light_energy = 1.2
	scene_root.add_child(sun)
	var env_node := WorldEnvironment.new()
	var env := Environment.new()
	env.ambient_light_source = Environment.AMBIENT_SOURCE_COLOR
	env.ambient_light_color = Color(0.7, 0.7, 0.75)
	env.ambient_light_energy = 0.5
	env_node.environment = env
	scene_root.add_child(env_node)

func _spawn_npc(profile: NpcProfile, intent: String, _npc_id: String) -> void:
	npc_counter += 1
	var avatar := NpcAvatar.new()
	avatar.name = "Npc_%d" % npc_counter
	var spawn_side: float = 1.0 if npc_counter % 2 == 0 else -1.0
	var spawn_x := spawn_side * (4.0 + float((npc_counter * 13) % 18))
	var spawn_pos := Vector3(spawn_x, 0.5, 6.0 + float((npc_counter * 7) % 16))
	var target_pos := Vector3(0.0, 0.5, 1.2)
	avatar.setup(profile, intent, npc_counter * 991 + 17, spawn_pos, target_pos)
	scene_root.add_child(avatar)
	npcs.append(avatar)

func _on_shift_ended(review: Dictionary) -> void:
	shift_review_panel.show_review(review, selected_scenario)

func _on_guard_target(target: Node3D) -> void:
	targeted_npc = target
	_begin_incident(target)

func _on_guard_clear() -> void:
	targeted_npc = null
	hud.set_target_label("")
	hud.set_action_hint("")

func _begin_incident(avatar: Node3D) -> void:
	var controller: Object = avatar.get_npc_controller() if avatar.has_method("get_npc_controller") else null
	if controller == null:
		return
	current_incident_npc_id = controller.npc_id
	current_incident_active = true
	current_npc_truth = _read_npc_truth(controller)
	var profile: Object = controller.profile
	var label := "[%s] %s — %s" % [
		Rules.NPC_TYPE_NAMES.get((profile.npc_type if profile else -1), "?"),
		profile.display_name if profile else "?",
		controller.intent,
	]
	hud.set_target_label(label)
	var hint := ""
	if profile and profile.npc_type == Rules.NpcType.VIOLENT_THREAT:
		hint = "High risk: threaten/force-entry likely. Emergency radio (R) is justified."
	elif profile and profile.npc_type == Rules.NpcType.MENTAL_CRISIS:
		hint = "Requires patience. Avoid aggressive confrontation."
	elif profile and profile.npc_type == Rules.NpcType.AUTHORIZED_GUEST:
		hint = "Likely authorized. Press E to verify access."
	hud.set_action_hint(hint)

# ------------------------------------------------------------------ input ---

func _unhandled_input(event: InputEvent) -> void:
	if event is InputEventKey and event.pressed and not event.echo:
		_handle_key(event.keycode)

func _handle_key(keycode: Key) -> void:
	match keycode:
		KEY_E:
			if targeted_npc != null and not inspection_open:
				_toggle_inspection()
		KEY_Q:
			if targeted_npc != null and not inspection_open:
				_apply_interaction(Rules.Level.SIMPLE_DETERRENCE, Rules.Tone.PROFESSIONAL, "polite direction")
		KEY_F:
			hud.toggle_debug()
		_:
			_handle_action_key(keycode)

func _handle_action_key(keycode: Key) -> void:
	match keycode:
		KEY_1:
			_apply_interaction(Rules.Level.SIMPLE_DETERRENCE, Rules.Tone.PROFESSIONAL, "raise hand")
		KEY_2:
			_apply_interaction(Rules.Level.SIMPLE_DETERRENCE, Rules.Tone.PROFESSIONAL, "point")
		KEY_3:
			_apply_interaction(Rules.Level.SIMPLE_DETERRENCE, Rules.Tone.PROFESSIONAL, "head shake")
		KEY_4:
			_apply_interaction(Rules.Level.FORMAL_WARNING, Rules.Tone.PROFESSIONAL, "formal warning")
		KEY_5:
			_apply_interaction(Rules.Level.BLOCKING, Rules.Tone.PROFESSIONAL, "blocking")
		KEY_6:
			_open_radio(false)
		KEY_R:
			_open_radio(true)
		KEY_A:
			if inspection_open:
				decide_access(true)
		KEY_D:
			if inspection_open:
				decide_access(false)
		_:
			pass

func _apply_interaction(level: int, tone: int, action_name: String) -> void:
	if targeted_npc == null:
		hud.log("Aim at someone first.")
		return
	var controller: Object = _targeted_controller()
	if controller == null or coordinator == null:
		return
	var outcome: Dictionary = controller.apply_player_action(level, tone)
	var npc_id: String = controller.npc_id
	coordinator.recorder.add_event(npc_id, {
		"type": "player_action",
		"action": action_name,
		"level": level,
		"tone": Rules.TONE_NAMES.get(tone, "?"),
	})
	coordinator.recorder.add_escalation(npc_id, level, "%s on %s" % [action_name, npc_id])
	if level >= Rules.Level.FORMAL_WARNING:
		coordinator.reputation.apply("prop", -1.5, "escalation L%d %s" % [level, action_name])
	_react_to_outcome(controller, outcome)

func _react_to_outcome(controller: Object, outcome: Dictionary) -> void:
	var reaction: int = outcome.get("reaction", -1)
	var name: String = (controller.profile.display_name if controller.profile else "Person")
	match reaction:
		Rules.Reaction.COMPLY:
			hud.log("%s complies and steps back." % name)
			coordinator.crowd.apply_event("de_escalation")
			coordinator.reputation.apply("peaceful", 2.0, "resolved peacefully")
			_close_incident("peaceful")
		Rules.Reaction.LEAVE:
			hud.log("%s turns and leaves." % name)
			coordinator.crowd.apply_event("calm_professionalism")
			_close_incident("left")
		Rules.Reaction.ARGUE:
			hud.log("%s argues with you." % name)
			coordinator.crowd.apply_event("aggressive_behavior")
		Rules.Reaction.RECORD:
			hud.log("%s starts filming you." % name)
			coordinator.reputation.apply("complaint", -3.0, "filmed interaction")
			coordinator.crowd.apply_event("aggressive_behavior")
		Rules.Reaction.IGNORE:
			hud.log("%s ignores you." % name)
		Rules.Reaction.THREATEN:
			hud.log("%s is threatening you. Emergency radio (R) is justified now." % name)
			coordinator.crowd.apply_event("aggressive_behavior")
		Rules.Reaction.FORCE_ENTRY:
			hud.log("%s is forcing the door!" % name)
			coordinator.crowd.apply_event("emergency_responder")
			coordinator.reputation.apply("security_failure", -5.0, "forced entry attempt")
		Rules.Reaction.RETURN_LATER:
			hud.log("%s leaves but may come back." % name)
		_:
			hud.log("No reaction (yet).")

func _open_radio(emergency: bool) -> void:
	if targeted_npc == null:
		hud.log("Address someone first before calling.")
		return
	var controller: Object = _targeted_controller()
	if controller == null:
		return
	radio_panel.open(controller, emergency, current_npc_truth)
	hud.set_action_hint("Fill in the radio report on screen.")

func _on_radio_submitted(report: Dictionary, emergency: bool) -> void:
	hud.set_action_hint("")
	var result: Dictionary = coordinator.radio.request_emergency(report) if emergency else coordinator.radio.request_assistance(report)
	if not result.get("ok", false):
		hud.log("Radio blocked: %s" % result.get("reason", "unknown"))
		return
	var hits: int = coordinator.radio.credibility_hits(report, current_npc_truth)
	if hits > 0:
		coordinator.reputation.apply("false_report", -4.0 * hits, "inaccurate radio report")
		hud.log("Dispatch flags inaccuracies in your report (-%d)." % (4 * hits))
	else:
		hud.log("Dispatch received your report. Assistance en route.")
	if emergency:
		coordinator.crowd.apply_event("emergency_responder")
		hud.log("Emergency responder dispatched.")
	else:
		coordinator.crowd.apply_event("calm_professionalism")

# ----------------------------------------------------------------- access --

func _toggle_inspection() -> void:
	if inspection_open:
		hud.hide_inspection()
		inspection_open = false
		return
	var controller: Object = _targeted_controller()
	if controller == null:
		return
	inspection_open = true
	var artifacts := _artifacts_for(controller)
	var result: Dictionary = verifier.verify(artifacts, selected_scenario.access_policy)
	hud.show_inspection(controller, artifacts, result)

func decide_access(allowed: bool) -> void:
	var controller: Object = _targeted_controller()
	if controller == null:
		hud.hide_inspection()
		inspection_open = false
		return
	var artifacts := _artifacts_for(controller)
	var result: Dictionary = verifier.verify(artifacts, selected_scenario.access_policy)
	var granted: bool = result.get("granted", false)
	coordinator.recorder.add_access_evidence(controller.npc_id, {
		"decided": allowed,
		"verified_granted": granted,
		"issues": result.get("issues", []),
		"checked": result.get("checked_artifacts", []),
	})
	if allowed == granted:
		if allowed:
			hud.log("Entry granted: %s" % ("; ".join(result.get("reasons", [])) if result.get("reasons", []) else "policy satisfied"))
			coordinator.reputation.apply("access_judgment", 2.0, "correct admission")
		else:
			hud.log("Entry denied: %s" % "; ".join(result.get("issues", [])))
			coordinator.reputation.apply("access_judgment", 1.0, "correct refusal")
	else:
		if allowed:
			hud.log("You granted entry despite verification failure!")
		else:
			hud.log("You denied entry despite valid verification!")
		coordinator.reputation.apply("access_judgment", -6.0, "wrong access decision")
	hud.hide_inspection()
	inspection_open = false

func _artifacts_for(controller: Object) -> Array:
	var profile: Object = controller.profile
	var npc_type: int = profile.npc_type if profile else -1
	var out: Array = []
	match npc_type:
		Rules.NpcType.AUTHORIZED_GUEST, Rules.NpcType.AUTHORIZED_STAFF:
			out.append(AccessArtifact.new(Rules.AccessKind.RECOGNITION, Rules.ArtifactStatus.VALID, {"known": true}))
		Rules.NpcType.DELIVERY:
			out.append(AccessArtifact.new(Rules.AccessKind.CREDENTIAL, Rules.ArtifactStatus.VALID, {"role": "delivery"}))
		Rules.NpcType.TRESPASSER:
			out.append(AccessArtifact.new(Rules.AccessKind.WRISTBAND, Rules.ArtifactStatus.COUNTERFEIT, {"color": "red", "date": "2024-01-01"}))
		Rules.NpcType.TOURIST:
			out.append(AccessArtifact.new(Rules.AccessKind.WRISTBAND, Rules.ArtifactStatus.MISSING, {}))
		Rules.NpcType.CONFUSED_VISITOR:
			out.append(AccessArtifact.new(Rules.AccessKind.WRISTBAND, Rules.ArtifactStatus.AMBIGUOUS, {"color": "gold"}))
		_:
			out.append(AccessArtifact.new(Rules.AccessKind.WRISTBAND, Rules.ArtifactStatus.MISSING, {}))
	return out

func _read_npc_truth(controller: Object) -> Dictionary:
	var profile: Object = controller.profile
	var npc_type: int = profile.npc_type if profile else -1
	return {
		"weapons_seen": npc_type == Rules.NpcType.VIOLENT_THREAT,
		"danger_level": 3 if npc_type == Rules.NpcType.VIOLENT_THREAT else 1,
	}

func _targeted_controller() -> Object:
	if targeted_npc == null:
		return null
	if targeted_npc.has_method("get_npc_controller"):
		return targeted_npc.get_npc_controller()
	return null

func _close_incident(outcome: String) -> void:
	if current_incident_active and not current_incident_npc_id.is_empty():
		coordinator.recorder.close_incident(current_incident_npc_id, outcome)
	current_incident_active = false
	current_incident_npc_id = ""

func _physics_process(delta: float) -> void:
	if coordinator == null or not coordinator.running:
		return
	coordinator.tick(delta)
	hud.set_shift_state(coordinator, selected_scenario)