extends Node

# CameraContextManager
# Handles camera position based on player's row on the board.

# var screen_shake_manager: Node # Removed
var camera: Camera3D
var player: Node3D

# Configuration Map: Row Threshold -> Target Position
# We use a list of dictionaries to define ranges.
# Setup A: Rows 0-5
# Setup B: Rows 6-9
# Setup C: Rows 10+
var camera_setups = [
	{ "max_row": 5, "position": Vector3(7.0, 19.636, 15.0) },
	{ "max_row": 9, "position": Vector3(7.0, 19.636, 19.0) },
	{ "max_row": 999, "position": Vector3(7.0, 19.22636, 22.5) } # Default/Bottom
]

var unique_id: int
var current_row_setup: int = -1
var current_col_setup: int = -1

func initialize(p_camera: Camera3D, _p_shake_manager: Node):
	camera = p_camera
	# screen_shake_manager = p_shake_manager
	print("[CameraContextManager] Initialized with camera")

func set_player(p_player: Node3D):
	player = p_player
	unique_id = p_player.name.to_int()
	
	# Try to get movement manager (might be initializing child)
	var movement_mgr = player.get("movement_manager")
	if not movement_mgr and "movement_manager" in player:
		movement_mgr = player.movement_manager
	
	var has_snap_signal = player.has_signal("position_changed")
	
	if movement_mgr and has_snap_signal:
		# 1. Follow during movement finished
		if not movement_mgr.movement_finished.is_connected(_on_player_moved):
			movement_mgr.movement_finished.connect(_on_player_moved)
		
		# 2. Snap on spawn/teleport (Resets setups for immediate catch-up)
		if not player.position_changed.is_connected(_on_player_snapped):
			player.position_changed.connect(_on_player_snapped)
			
		print("[CameraContextManager] Successfully connected to all player signals")
	else:
		print("[CameraContextManager] Warning: movement_manager or signal missing. Retrying in 0.5s...")
		await get_tree().create_timer(0.5).timeout
		if player == p_player:
			set_player(p_player)
		return # Exit current (failed) initialization
		
	_update_camera_target()

func _on_player_moved():
	# Normal movement finish (keeps hysteresis)
	_update_camera_target()

func _on_player_snapped():
	# Sharp snap (spawn/teleport) - Reset setup indices to force immediate re-eval
	current_row_setup = -1
	current_col_setup = -1
	# print("[CameraContextManager] Player snapped, resetting setups")
	_update_camera_target()

func _update_camera_target():
	if not player or not camera:
		return
		
	var current_row = player.current_position.y
	var current_col = player.current_position.x
	
	var mode = LobbyManager.get_game_mode()
	if mode == GameMode.Mode.STOP_N_GO:
		_update_stop_n_go_camera(current_row, current_col)
	elif mode == GameMode.Mode.TEKTON_DOORS:
		_update_tekton_doors_camera()
	else:
		_update_freemode_camera(current_row, current_col)

func _update_stop_n_go_camera(current_row: int, current_col: int):
	# --- STOP N GO: 4 Columns (X), 2 Rows (Y/Z) ---
	# Columns: 0-5, 6-10, 11-15, 16-21
	# Rows: 0-4, 5-9
	
	# 1. Column Logic (4 Zones)
	if current_col_setup == -1:
		if current_col <= 5: current_col_setup = 0
		elif current_col <= 10: current_col_setup = 1
		elif current_col <= 15: current_col_setup = 2
		else: current_col_setup = 3
	
	match current_col_setup:
		0: # Leftmost
			if current_col >= 7: current_col_setup = 1
		1: # Mid-Left
			if current_col <= 4: current_col_setup = 0
			elif current_col >= 12: current_col_setup = 2
		2: # Mid-Right
			if current_col <= 9: current_col_setup = 1
			elif current_col >= 17: current_col_setup = 3
		3: # Rightmost
			if current_col <= 14: current_col_setup = 2
			
	# 2. Row Logic (2 Zones)
	if current_row_setup == -1:
		if current_row <= 4: current_row_setup = 0
		else: current_row_setup = 1
		
	match current_row_setup:
		0: # Top
			if current_row >= 6: current_row_setup = 1
		1: # Bottom
			if current_row <= 3: current_row_setup = 0

	# 3. Target Calculation
	var target_x = 3.0 + (current_col_setup * 5.0) # approx centers for 4 zones in 22 cols
	var target_y = 19.636
	var target_z = 15.0 if current_row_setup == 0 else 17.5
	
	# Adjust specific X centers for the 22-col field
	match current_col_setup:
		0: target_x = 3.0
		1: target_x = 8.5
		2: target_x = 13.5
		3: target_x = 18.5

	_apply_camera_tween(Vector3(target_x, target_y, target_z))

func _update_tekton_doors_camera():
	# --- TEKTON DOORS: Static Overlook ---
	# Grid is 14x14, center is approx (7, 7)
	# User requested position: Vector3(7.0, 31.0, 25.5)
	_apply_camera_tween(Vector3(7.0, 32.3, 25.8))

func _update_freemode_camera(current_row: int, current_col: int):
	# --- FREEMODE: 3x3 Grid ---
	# Zone thresholds 4, 9
	
	# Row Hysteresis
	if current_row_setup == -1:
		if current_row <= 4: current_row_setup = 0
		elif current_row <= 9: current_row_setup = 1
		else: current_row_setup = 2
		
	match current_row_setup:
		0: # Top
			if current_row >= 6: current_row_setup = 1
		1: # Mid
			if current_row <= 3: current_row_setup = 0
			elif current_row >= 11: current_row_setup = 2
		2: # Bot
			if current_row <= 8: current_row_setup = 1

	# Col Hysteresis
	if current_col_setup == -1:
		if current_col <= 4: current_col_setup = 0
		elif current_col <= 9: current_col_setup = 1
		else: current_col_setup = 2
		
	match current_col_setup:
		0: # Left
			if current_col >= 6: current_col_setup = 1
		1: # Center
			if current_col <= 3: current_col_setup = 0
			elif current_col >= 11: current_col_setup = 2
		2: # Right
			if current_col <= 8: current_col_setup = 1

	var target_z = 15.0
	var target_y = 19.636
	var target_x = 7.0
	
	match current_row_setup:
		0: target_z = 15.0
		1: target_z = 19.0
		2: target_z = 22.5; target_y = 19.22636
			
	match current_col_setup:
		0: target_x = 3.0 # Left zone center
		1: target_x = 7.0 # Main center
		2: target_x = 11.0 # Right zone center
		
	_apply_camera_tween(Vector3(target_x, target_y, target_z))

func _apply_camera_tween(target_pos: Vector3):
	if camera.position != target_pos:
		var tween = create_tween()
		tween.tween_property(camera, "position", target_pos, 0.4).set_trans(Tween.TRANS_SINE).set_ease(Tween.EASE_IN_OUT)