const std = @import("std");
const print = std.debug.print;
const math = std.math;

const Endian = std.builtin.Endian;
const ArrayList = std.ArrayList;
const AutoHashMap = std.AutoHashMap;
const Allocator = std.mem.Allocator;
const StringHashMap = std.StringHashMap;

const pnt = @import("point.zig");
const Pnt = pnt.Pnt;
const Activity = @import("activity.zig").Activity;
const SoundSettings = @import("settings.zig").SoundSettings;
const FreqAmpBuffer = @import("freqamp.zig").FreqAmpBuffer;

const utility = @import("utility.zig");
const prnt = utility.prnt;


pub const SoundNode = struct {
	
	allocator: Allocator,
	
	name: []const u8 = "soundnode",
	
	air_in: ArrayList(*SoundNode),
	wire_in: ArrayList(*SoundNode),
	activities: ArrayList(*Activity),
	props: StringHashMap(f64),
	
	x: f32 = 0,
	y: f32 = 0,
	z: f32 = 0,
	
	fab: FreqAmpBuffer,
	
	pub fn create(allocator: Allocator, name: []const u8) !*SoundNode {
	
		const air_in = ArrayList(*SoundNode).init(allocator);
		const wire_in = ArrayList(*SoundNode).init(allocator);
		const activities = ArrayList(*Activity).init(allocator);
		const fab = FreqAmpBuffer{};
		const props = StringHashMap(f64).init(allocator);
		
		const sn = try allocator.create(SoundNode);
		
		sn.* = .{
			.allocator = allocator,
			.name = name,
			.air_in = air_in,
			.wire_in = wire_in,
			.activities = activities,
			.fab = fab,
			.props = props,
			.x = 0,
			.y = 0,
			.z = 0,
		};
		
		return sn;
		
	}

	pub fn init(allocator: Allocator, name: []const u8) !SoundNode {
		
		const air_in = ArrayList(*SoundNode).init(allocator);
		const wire_in = ArrayList(*SoundNode).init(allocator);
		const activities = ArrayList(*Activity).init(allocator);
		const fab = try FreqAmpBuffer.init(allocator);
		const props = StringHashMap(f64).init(allocator);
		
		return .{
			.allocator = allocator,
			.name = name,
			.air_in = air_in,
			.wire_in = wire_in,
			.activities = activities,
			.fab = fab,
			.props = props,
			.x = 0,
			.y = 0,
			.z = 0,
		};
				
	}

	pub fn deinit(self: *SoundNode) void {
		
		self.air_in.deinit();
		self.wire_in.deinit();
		self.activities.deinit();
		self.fab.deinit();
		self.props.deinit();
		
	}

	pub fn current_tick(self: *SoundNode) u32 {
	
		return self.fab.current_tick;
	
	}

	pub fn g(self: *SoundNode, key: []const u8) f64 {
	
		const value = self.props.get(key);
	
		if (value) |v| {
			return v;
		} else {
			return @as(f64, 0.0);
		}
	}

	pub fn s(self: *SoundNode, key: []const u8, value: f64) !void {
		
		try self.props.put(key, value);
		
	}

	pub fn distance(self: *SoundNode, other: *SoundNode) f64 {
				
		if ((self.x == other.x) and (self.y == other.y) and (self.z == other.z)) {
			return 0;
		}
		
		const dx: f32 = self.x - other.x;
		const dy: f32 = self.y - other.y;
		const dz: f32 = self.z - other.z;
		
		return math.sqrt(dx*dx + dy*dy + dz*dz);
		
	}
		
};