mize/core/src/item.rs

use crate::c_api::get_global_mize;
use crate::config::{ConfigOpt};
use ciborium::into_writer;
use colored::Colorize;
use serde_json::from_reader;
use core::fmt;
use serde::Deserialize;
use serde::Serialize;
use std::any::Any;
use std::collections::HashMap;
use std::fmt::Debug;
use std::sync::MutexGuard;
use std::io;
use std::fmt::Display;
use std::i128;
use tracing::{debug, instrument, trace, warn};

use crate::error::{IntoMizeResult, MizeError, MizeResult};
use crate::id::MizeId;
use crate::instance::connection::value_raw_con_by_id;
use crate::instance::Mize;
use crate::mize_err;
use crate::proto::MizeMessage;
use ciborium::Value as CborValue;

// a item always has to do with a Instance, which takes care of how it is updated
#[derive(Debug, Clone)]
pub struct Item<'a> {
    id: MizeId,
    pub instance: &'a Mize,
}

// without an Instance it is not an item, but only the "data of an item"
// and this type for now is just an alias to CborValue
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ItemData(pub CborValue);

impl Item<'_> {
    pub fn id(&self) -> MizeId {
        self.id.clone()
    }

    pub fn new(id: MizeId, instance: &Mize) -> Item {
        Item { id, instance }
    }

    pub fn value_raw(&self) -> MizeResult<Vec<u8>> {
        let data = self.as_data_full()?;
        let raw = get_raw_from_cbor(data.cbor(), vec![])?;
        return Ok(raw.to_owned());
    }

    pub fn value_string(&self) -> MizeResult<String> {
        let raw = self.value_raw()?;
        String::from_utf8(raw.clone())
            .mres_msg(format!("failed to convert raw value from item '{}' into a utf-8 string. raw value was: '{:02X?}'", self.id(), raw))
    }

    pub fn as_data_full(&self) -> MizeResult<ItemData> {
        let id = self.id();

        // the instance we are
        if id.store_part() == "self" {
            debug!("getting item '{}' from self", self.id());

            match id.nth_part(1)? {
                "con_by_id" => {
                    return value_raw_con_by_id(&mut self.clone());
                }
                "namespace" => {
                    let namespace_inner = self.instance.namespace.lock()?;
                    return Ok(ItemData::from_string(namespace_inner.as_real_string()));
                }
                "self_namespace" => {
                    let namespace_inner = self.instance.self_namespace.lock()?;
                    return Ok(ItemData::from_string(namespace_inner.as_real_string()));
                }
                "config" => {
                    let rest_path = <Box<[std::string::String]> as Clone>::clone(&id
                        .path)
                        .into_iter()
                        .skip(2)
                        .map(|v| v.to_owned())
                        .collect::<Vec<String>>()
                        .join(".");
                    let mut mize = self.instance.to_owned();
                    return Ok(mize.get_config(rest_path.as_str())?);
                }
                _ => {}
            }
            return Err(mize_err!(
                "a /self path, but the next element in the path '{:?}' is not valid",
                id.nth_part(1)
            ));
        }

        let self_namespace_inner = self.instance.self_namespace.lock()?;

        if self.id().namespace() == self_namespace_inner.to_owned() {
            debug!("getting item '{}' from store", self.id());

            if id.store_part() == "inst" {
                match id.nth_part(1)? {
                    "con_by_id" => {
                        return value_raw_con_by_id(&mut self.clone());
                    }
                    "namespace" => {
                        let namespace_inner = self.instance.namespace.lock()?;
                        return Ok(ItemData::from_string(namespace_inner.as_real_string()));
                    }
                    "self_namespace" => {
                        let namespace_inner = self.instance.self_namespace.lock()?;
                        return Ok(ItemData::from_string(namespace_inner.as_real_string()));
                    }
                    _ => {}
                }
            }

            let store_inner = self.instance.store.lock()?;
            return store_inner.get_value_data_full(self.id());
        } else {
            let connection = self.instance.get_connection_by_ns(self.id().namespace())?;

            debug!(
                "getting item '{}' from connection '{}' from store",
                self.id(),
                connection.id
            );

            let msg = MizeMessage::new_get(self.id(), connection.id);
            connection.send(msg);
            let data = self.instance.give_msg_wait(self.id())?;
            return Ok(data);
        }
    }

    #[instrument(name = "fn.ItemData::merge")]
    pub fn merge<V: Into<ItemData> + Debug>(&mut self, value: V) -> MizeResult<()> {
        let mut data = self.as_data_full()?;
        //let mut data = data_full.get_path(id_path_without_store_part)?;
        trace!("item::merge data: {:?}", data);
        trace!("item::merge id: {:?}", self.id());

        let new_data = value.into();

        data.merge(new_data);
        trace!("item::merge new_data: {:?}", data);

        // handle the case of /self/*
        if self.id().store_part() == "self" {
            let rest_path = <Box<[std::string::String]> as Clone>::clone(&self
                .id()
                .path)
                .into_iter()
                .skip(1)
                .map(|v| v.to_owned())
                .collect::<Vec<String>>()
                .join("/");
            let id_for_store = self
                .instance
                .new_id("0".to_owned() + "/" + rest_path.as_str())?;

            let store_inner = self.instance.store.lock()?;
            store_inner.set(id_for_store, data)?;
        } else if self.instance.we_are_namespace()? {
            let store_inner = self.instance.store.lock()?;
            store_inner.set(self.id(), data)?;
        } else {
            let namespace = self.id().namespace();
            let connection = self.instance.get_connection_by_ns(namespace)?;
            let msg = MizeMessage::new_update_request(self.id(), data, connection.id);
            connection.send(msg)?;
        }

        Ok(())
    }
}

impl<'a> Display for Item<'a> {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        //let item_data = self.as_data_full().map_err(|_| std::fmt::Error)?;
        write!(f, "Item with id: {}", self.id());
        return Ok(());
    }
}

impl ItemData {
    pub fn new() -> ItemData {
        ItemData(CborValue::Null)
    }

    pub fn empty() -> ItemData {
        ItemData(CborValue::Null)
    }

    pub fn from_toml(toml_string: &str) -> MizeResult<ItemData> {
        let toml_deserializer = toml::Deserializer::new(&toml_string);

        let value = CborValue::deserialize(toml_deserializer).mres_msg(format!(
            "Could not deserialize the toml string: {}",
            &toml_string
        ))?;

        return Ok(value.into_item_data());
    }

    pub fn to_toml(&self) -> MizeResult<String> {
        let mut out_string = String::new();
        let toml_serializer = toml::Serializer::new(&mut out_string);
        CborValue::serialize(&self.cbor(), toml_serializer)?;
        Ok(out_string)
    }

    pub fn from_serializable<T: Serialize>(val: T) -> MizeResult<ItemData> {
      let mut buffer = Vec::new();
      into_writer(&val, &mut buffer)?;
      let cbor_val: CborValue = from_reader(buffer.as_slice())?;
      Ok(ItemData(cbor_val))
    }
    
    /// Convert any native Rust value to ItemData...
    /// Stores the value in the global Mize registry and returns an ItemData with _native: <id>
    pub fn from_native<T: Any + Send + Sync + 'static>(val: T) -> MizeResult<ItemData> {
        let mize = get_global_mize()?;
        let mut native_values = mize.native_values.lock().map_err(|_| mize_err!("Failed to lock native_values"))?;
        let mut next_id = mize.next_native_value_id.lock().map_err(|_| mize_err!("Failed to lock next_native_value_id"))?;
        let id = *next_id;
        *next_id += 1;
        native_values.insert(id, Box::new(val));
        let mut data = ItemData::new();
        data.set_path("_native", id.to_string())?;
        Ok(data)
    }

    pub fn value_string(self) -> MizeResult<String> {
        match self.cbor() {
            CborValue::Text(string) => Ok(string.to_owned()),
            _ => Err(mize_err!("this ItemData has no string value")),
        }
    }

    pub fn value_bool(self) -> MizeResult<bool> {
        match self.cbor() {
            CborValue::Bool(val) => Ok(*val),
            _ => Err(mize_err!("this ItemData has no string value")),
        }
    }
    pub fn as_bool(self) -> Option<bool> {
        match self.cbor() {
            CborValue::Bool(val) => Some(*val),
            _ => None,
        }
    }

    pub fn from_string<S: Into<String>>(into_string: S) -> ItemData {
        let string = into_string.into();
        let data = CborValue::Text(string);
        return ItemData(data);
    }

    pub fn to_json(self) -> MizeResult<String> {
        let mut result: Vec<u8> = Vec::new();

        self.0
            .serialize(&mut serde_json::Serializer::new(&mut result))?;

        Ok(String::from_utf8(result)?)
    }

    pub fn from_json(json_str: String) -> MizeResult<ItemData> {
        let mut json_deserializer = serde_json::Deserializer::from_str(json_str.as_str());

        let value = CborValue::deserialize(&mut json_deserializer).mres_msg(format!(
            "could not deserialize the json string: {}",
            json_str
        ))?;

        return Ok(value.into_item_data());
    }

    pub fn merge(&mut self, other: ItemData) {
        item_data_merge(&mut self.0, &other.0);
    }

    pub fn cbor(&self) -> &CborValue {
        &self.0
    }

    pub fn from_cbor(cbor: CborValue) -> ItemData {
        ItemData(cbor)
    }

    pub fn sort_keys(&mut self) -> MizeResult<()> {
        item_data_sort_keys(&mut self.0)
    }

    pub fn null() -> CborValue {
        CborValue::Null
    }

    pub fn parse<T: Into<String>>(value: T) -> ItemData {
        let value_str = value.into();
        if value_str == "false" {
            return CborValue::Bool(false).into_item_data();
        }
        if value_str == "false" {
            return CborValue::Bool(true).into_item_data();
        }
        if let Ok(int) = value_str.parse::<i128>() {
            return int.into_item_data();
        }
        return CborValue::Text(value_str).into_item_data();
    }

    pub fn set_path<P: IntoPath, D: IntoItemData>(&mut self, path: P, value: D) -> MizeResult<()> {
        //trace!("[ {} ] ItemData::set_path()", "CALL".yellow());
        let path = path.into_path();
        let value = value.into_item_data();

        item_data_set_path(&mut self.0, path, &value.0)
    }

    pub fn get_path<P: IntoPath>(&self, path: P) -> MizeResult<ItemData> {
        let path = path.into_path();
        Ok(item_data_get_path(&self.0, path)?
            .to_owned()
            .into_item_data())
    }

    pub fn get_paths_recursive(&mut self) -> MizeResult<Vec<String>> {
        let mut paths = Vec::new();
        let mut path_accu = Vec::new();
        get_paths(&mut self.0, &mut paths, &mut path_accu, true)?;
        Ok(paths)
    }

    pub fn get_paths(&mut self) -> MizeResult<Vec<String>> {
        let mut paths = Vec::new();
        let mut path_accu = Vec::new();
        get_paths(&mut self.0, &mut paths, &mut path_accu, false)?;
        Ok(paths)
    }

    pub fn arr_nth(&self, index: usize) -> MizeResult<ItemData> {
        let array = self
            .0
            .as_array()
            .ok_or(mize_err!("ItemData is not an array, cannot get element at index {}", index))?;
        let value = array
            .get(index)
            .ok_or(mize_err!("array index {} out of bounds (length: {})", index, array.len()))?;
        Ok(ItemData::from_cbor(value.clone()))
    }
    
    /// Get an immutable reference to the native value stored in this ItemData.
    /// The native value must have been stored via from_native().
    /// Returns a guard that holds the lock on the native_values registry.
    pub fn native<T: Any + Send + Sync + 'static>(&self) -> MizeResult<NativeRefGuard<T>> {
        let mize_arc = crate::c_api::GLOBAL_MIZE.get().ok_or(mize_err!("No global Mize"))?;
        let mize = mize_arc.lock().map_err(|_| mize_err!("Failed to lock global Mize"))?;
        let native_values = mize.native_values.lock().map_err(|_| mize_err!("Failed to lock native_values"))?;
        
        let id_data = self.get_path("_native")
            .map_err(|_| mize_err!("No _native field in ItemData"))?;
        let id_str = id_data.value_string()
            .map_err(|_| mize_err!("_native field is not a string"))?;
        let id: u32 = id_str.parse()
            .map_err(|_| mize_err!("_native field is not a valid u32: {}", id_str))?;
        
        let boxed = native_values.get(&id)
            .ok_or(mize_err!("No native value with id {}", id))?;
        
        // SAFETY: The reference is valid as long as the guard exists.
        // The guard holds the MutexGuard which keeps the lock on native_values.
        // The data in the HashMap is owned by the global Mize instance.
        // We extract the raw pointer first, then move the guard.
        let ref_t_ptr = boxed.downcast_ref::<T>()
            .ok_or(mize_err!("Failed to downcast native value to {}", std::any::type_name::<T>()))? as *const T;
        
        let guard = std::mem::ManuallyDrop::new(native_values);
        
        Ok(NativeRefGuard {
            _guard: unsafe { std::mem::transmute(guard) },
            value: unsafe { &*ref_t_ptr },
        })
    }
    
    /// Get a mutable reference to the native value stored in this ItemData.
    /// The native value must have been stored via from_native().
    /// Returns a guard that holds the lock on the native_values registry.
    pub fn native_mut<T: Any + Send + Sync + 'static>(&self) -> MizeResult<NativeMutRefGuard<T>> {
        let mize_arc = crate::c_api::GLOBAL_MIZE.get().ok_or(mize_err!("No global Mize"))?;
        let mize = mize_arc.lock().map_err(|_| mize_err!("Failed to lock global Mize"))?;
        let mut native_values = mize.native_values.lock().map_err(|_| mize_err!("Failed to lock native_values"))?;
        
        let id_data = self.get_path("_native")
            .map_err(|_| mize_err!("No _native field in ItemData"))?;
        let id_str = id_data.value_string()
            .map_err(|_| mize_err!("_native field is not a string"))?;
        let id: u32 = id_str.parse()
            .map_err(|_| mize_err!("_native field is not a valid u32: {}", id_str))?;
        
        let boxed = native_values.get_mut(&id)
            .ok_or(mize_err!("No native value with id {}", id))?;
        
        // SAFETY: The reference is valid as long as the guard exists.
        // The guard holds the MutexGuard which keeps the lock on native_values.
        // The data in the HashMap is owned by the global Mize instance.
        // We extract the raw pointer first, then move the guard.
        let ref_mut_t_ptr = boxed.downcast_mut::<T>()
            .ok_or(mize_err!("Failed to downcast native value to {}", std::any::type_name::<T>()))? as *mut T;
        
        let guard = std::mem::ManuallyDrop::new(native_values);
        
        Ok(NativeMutRefGuard {
            _guard: unsafe { std::mem::transmute(guard) },
            value: unsafe { &mut *ref_mut_t_ptr },
        })
    }
    
    /// Take the native value from this ItemData, removing it from the registry.
    /// The native value must have been stored via from_native().
    pub fn native_take<T: Any + Send + Sync + 'static>(&self) -> MizeResult<T> {
        let mize_arc = crate::c_api::GLOBAL_MIZE.get().ok_or(mize_err!("No global Mize"))?;
        let mize = mize_arc.lock().map_err(|_| mize_err!("Failed to lock global Mize"))?;
        let mut native_values = mize.native_values.lock().map_err(|_| mize_err!("Failed to lock native_values"))?;
        
        let id_data = self.get_path("_native")
            .map_err(|_| mize_err!("No _native field in ItemData"))?;
        let id_str = id_data.value_string()
            .map_err(|_| mize_err!("_native field is not a string"))?;
        let id: u32 = id_str.parse()
            .map_err(|_| mize_err!("_native field is not a valid u32: {}", id_str))?;
        
        let boxed = native_values.remove(&id)
            .ok_or(mize_err!("No native value with id {}", id))?;
        
        let typed = boxed.downcast::<T>()
            .map_err(|_| mize_err!("Failed to downcast native value to {}", std::any::type_name::<T>()))?;
        
        Ok(*typed)
    }
}

/// Guard that holds a lock on the native_values registry and provides an immutable reference to a native value.
pub struct NativeRefGuard<T: Any + Send + Sync + 'static> {
    _guard: MutexGuard<'static, HashMap<u32, Box<dyn Any + Send + Sync>>>,
    value: &'static T,
}

impl<T: Any + Send + Sync + 'static> std::ops::Deref for NativeRefGuard<T> {
    type Target = T;
    
    fn deref(&self) -> &Self::Target {
        self.value
    }
}

/// Guard that holds a lock on the native_values registry and provides a mutable reference to a native value.
pub struct NativeMutRefGuard<T: Any + Send + Sync + 'static> {
    _guard: MutexGuard<'static, HashMap<u32, Box<dyn Any + Send + Sync>>>,
    value: &'static mut T,
}

impl<T: Any + Send + Sync + 'static> std::ops::Deref for NativeMutRefGuard<T> {
    type Target = T;
    
    fn deref(&self) -> &Self::Target {
        self.value
    }
}

impl<T: Any + Send + Sync + 'static> std::ops::DerefMut for NativeMutRefGuard<T> {
    fn deref_mut(&mut self) -> &mut Self::Target {
        self.value
    }
}

fn get_paths(
    val: &mut CborValue,
    paths: &mut Vec<String>,
    path_accu: &mut Vec<String>,
    recurse: bool,
) -> MizeResult<()> {
    let map = val
        .as_map_mut()
        .ok_or(mize_err!("ItemData is not map... when calling get_paths"))?;
    for (key, val) in map {
        let text = key
            .as_text()
            .ok_or(mize_err!("ItemData::get_paths but key is not of type text"))?
            .to_owned();
        if recurse && val.is_map() {
            let mut path_accu = path_accu.clone();
            path_accu.push(text);
            get_paths(val, paths, &mut path_accu, recurse)?;
        } else {
            let path = path_accu.join("/") + "/" + text.as_str();
            paths.push(path);
        }
    }
    Ok(())
}

impl Default for ItemData {
    fn default() -> Self {
        ItemData::new()
    }
}

pub fn data_from_string(data_string: String) -> MizeResult<ItemData> {
    let mut data = ItemData::new();

    // in case it's just a string
    if !data_string.contains("=") {
        let cbor = CborValue::Text(data_string);
        return Ok(ItemData::from_cbor(cbor));
    }

    for option in data_string.split(":") {
        //trace!("data_from_string: option: {}", option);
        if option == "".to_owned() {
            continue;
        }

        let path = option
            .split("=")
            .nth(0)
            .ok_or(MizeError::new().msg(format!(
                "Failed to parse Option: option '{}' has an empty path (thing before =)",
                option
            )))?;

        //trace!("data_from_string: path: {}", path);

        let value = option
            .split("=")
            .nth(1)
            .ok_or(MizeError::new().msg(format!(
                "Failed to parse Option: option '{}' has an empty value (thing after =)",
                option
            )))?;
        //trace!("data_from_string: value: {}", value);

        let mut path_vec = Vec::new();
        path_vec.extend(path.split("."));

        //trace!("data_from_string: path_vec: {:?}", path_vec);

        data.set_path(path_vec, ItemData::parse(value))?;
    }

    trace!("data_from_string: data: {}", data);
    return Ok(data);
}

pub fn item_data_get_path(data: &CborValue, path: Vec<String>) -> MizeResult<&CborValue> {
    let mut path_iter = path.clone().into_iter();
    //println!("data: {:?}", data);
    //println!("path: {:?}", path);

    let path_el = match path_iter.nth(0) {
        Some(val) => val,
        None => return Ok(data), // our base case
    };

    let mut sub_data = &CborValue::Null;
    match data {
        CborValue::Map(map) => {
            for (key, val) in map {
                //println!("key: {:?}", key);
                //println!("path_el: {}", path_el);
                if let CborValue::Text(key_str) = key {
                    if key_str == &path_el {
                        sub_data = val;
                    }
                }
            }
        }
        val => {
            return Err(MizeError::new()
                .msg(format!(
                    "Failed to get path '{:?}' from ItemData, the data at '{}' is not a map",
                    path, path_el
                ))
                .msg(format!("{:?} is: {:?}", path_el, val)));
        }
    };
    item_data_get_path(sub_data, path_iter.collect())
}

pub fn item_data_sort_keys(data: &mut CborValue) -> MizeResult<()> {
    // for a list, sort each item of the list
    if data.is_array() {
        for el in data.as_array_mut().unwrap().iter_mut() {
            item_data_sort_keys(el)?
        }
    }

    // sort the keys of a map
    if data.is_map() {
        let map: &mut Vec<(CborValue, CborValue)> = data.as_map_mut().unwrap();
        //map.sort_by_key(|el| el.0);
        map.sort_by(|a, b| {
            match a.0.partial_cmp(&b.0) {
                Some(val) => val,
                None => {
                    // just say the two values are equal, if they can't be ordered
                    std::cmp::Ordering::Equal
                }
            }
        });

        // also sort every sub value
        for (_key, val) in map {
            item_data_sort_keys(val)?
        }
    }

    Ok(())
}

pub fn item_data_set_path(
    data: &mut CborValue,
    path: Vec<String>,
    data_to_set: &CborValue,
) -> MizeResult<()> {
    //trace!("[ {} ] item_data_set_path()", "CALL".yellow());
    //trace!("[ {} ] data: {}", "ARG".yellow(), data.clone().into_item_data());
    //trace!("[ {} ] path: {:?}", "ARG".yellow(), path);
    //trace!("[ {} ] data_to_set: {}", "ARG".yellow(), data_to_set.clone().into_item_data());

    //test_println!("item_data_set_path ###########################");
    //test_println!("data: {}", ItemData::from_cbor(data.clone()));
    //test_println!("path: {:?}", path);
    //test_println!("data_to_set: {}", ItemData::from_cbor(data_to_set.clone()));
    //test_println!("###########################");

    let mut path_iter = path.clone().into_iter();
    let path_el = match path_iter.nth(0) {
        Some(val) => val,
        None => {
            //trace!("item_data_set_path: base_case");
            // our base case
            *data = data_to_set.to_owned();
            return Ok(());
        }
    };
    match data {
        CborValue::Map(map) => {
            for (key, val) in &mut *map {
                if let CborValue::Text(key_str) = key {
                    if key_str == &path_el {
                        //trace!("item_data_set_path: setting key {key_str} in map with recursive call");
                        return item_data_set_path(val, path_iter.collect(), data_to_set);
                    }
                }
            }

            // if we get here, that means, the key (which is the variable path_el) does not exist
            // in the map
            // so add it... but also with a recursive call which is needed, in case path_iter
            // longer than 1
            //trace!("item_data_set_path: adding key {path_el} to map");
            let mut inner_value = CborValue::Null;
            item_data_set_path(&mut inner_value, path_iter.collect(), data_to_set);
            map.push((CborValue::Text(path_el.clone()), inner_value));
            return Ok(());
        }
        CborValue::Null => {
            //trace!("item_data_set_path: CborValue::Null case");
            let mut inner_value = CborValue::Null;
            item_data_set_path(&mut inner_value, path_iter.collect(), data_to_set);

            let map_vec = vec![(CborValue::Text(path_el), inner_value)];
            *data = CborValue::Map(map_vec);

            return Ok(());
        }
        val => {
            return Err(MizeError::new()
                .msg(format!(
                    "Failed to get path '{:?}' from ItemData, the data at '{}' is not a map",
                    path, path_el
                ))
                .msg(format!("{:?} is: {:?}", path_el, val)));
        }
    };

}

pub fn item_data_merge(merge_into: &mut CborValue, other: &CborValue) {
    // needs to be recursive

    match (merge_into, other) {
        // if both are maps
        // merge the keys/vals in the maps and call recursively on them
        (CborValue::Map(merge_into_map), CborValue::Map(other_map)) => {
            // go through other_map and merge those keys/values to merge_into
            for (other_key, other_val) in other_map {
                // so find that same vale in merge_into, if exists recursively merge, else just add to
                // vec
                let mut found_value = CborValue::Null;
                let mut value_found = false;
                let mut new_value_for_merge_into: Vec<(CborValue, CborValue)> = Vec::new(); // here we collect the
                                                                                            // new contents of the
                                                                                            // map, to assign later
                                                                                            // to merge_into_map

                for (merge_into_key, merge_into_val) in merge_into_map.clone() {
                    if merge_into_key == *other_key {
                        value_found = true;
                        found_value = merge_into_val.to_owned();
                        // if we found it, also don't add it to new_value_for_merge_into
                    } else {
                        //if not found push to new_value_for_merge_into
                        new_value_for_merge_into
                            .push((merge_into_key.to_owned(), merge_into_val.to_owned()));
                    }
                }

                if value_found {
                    // we found it so merge and asign
                    item_data_merge(&mut found_value, other_val);

                    // to asign push to new_value_for_merge_into, because the old was removed already
                    new_value_for_merge_into.push((other_key.to_owned(), found_value));
                } else {
                    // if not found, just add the other_key/val to new_value_for_merge_into
                    new_value_for_merge_into.push((other_key.to_owned(), other_val.to_owned()));
                }

                // finally, we need to asign the new_value_for_merge_into into merge_into
                *merge_into_map = new_value_for_merge_into;
            }
        }

        // if other is Null, don't asign
        // this is gonna have repercussions.... because it's not clean behaviour
        (_merge_into, CborValue::Null) => {}

        // in any other case we just want to set merge_into to other
        // also this is the base case
        (merge_into, other) => {
            *merge_into = other.to_owned();
        }
    }
}

#[instrument(name = "fn.get_raw_from_cbor")]
pub fn get_raw_from_cbor<'a>(value: &'a CborValue, path: Vec<&String>) -> MizeResult<&'a [u8]> {
    trace!("[ {} ] value: {:?}", "ARG".yellow(), value);
    trace!("[ {} ] path: {:?}", "ARG".yellow(), path);

    let mut path_iter = path.clone().into_iter();
    let path_el =
        match path_iter.nth(0) {
            Some(val) => val,
            None => {
                // our base case
                let _ret_val =
                    match value {
                        CborValue::Bytes(vec) => {
                            trace!("[ {} ] ret value: {:?}", "RET".yellow(), &vec[..]);
                            return Ok(&vec[..]);
                        }
                        CborValue::Text(string) => {
                            trace!("[ {} ] ret value: {:?}", "RET".yellow(), string.as_bytes());
                            return Ok(string.as_bytes());
                        }
                        other => {
                            return Err(mize_err!(
                        "path '{}' is empty and the value: '{:?}' is neither Bytes nor Text",
                        path.iter().map(|p| p.as_str()).collect::<Vec<_>>().join("."),
                        other
                    ));
                        }
                    };
            }
        };

    match value {
        CborValue::Bytes(vec) => {
            trace!("[ {} ] ret value: {:?}", "RET".yellow(), &vec[..]);
            return Ok(&vec[..]);
        }
        CborValue::Text(string) => {
            trace!("[ {} ] ret value: {:?}", "RET".yellow(), string.as_bytes());
            return Ok(string.as_bytes());
        }
        CborValue::Map(map) => {
            let mut inner_val: &CborValue = &CborValue::Null;
            let mut inner_val_found = false;

            // find the inner_val at path
            for (key, val) in map.into_iter() {
                if let CborValue::Text(key_text) = key {
                    if key_text == path_el {
                        inner_val = val;
                        inner_val_found = true;
                    }
                }
            }

            // if there is no value at that path
            if inner_val_found == false {
                return Err(MizeError::new()
                    // jesus christ, this is a pfusch...
                    .msg(format!(
                        "get_raw_from_cbor: Path '{}' not Found",
                        path.clone()
                            .into_iter()
                            .map(|v| v.to_owned())
                            .collect::<Vec<String>>()
                            .join("/")
                    )));
            }

            //path_iter.next();
            let inner_path = path_iter.collect();
            let ret_value = get_raw_from_cbor(inner_val, inner_path);
            trace!("[ {} ] ret value: {:?}", "RET".yellow(), ret_value);
            return ret_value;
        }
        _ => Err(MizeError::new().msg(format!(
            "get_raw_from_cbor: value is not a map, text or bytes ... value: {:?}",
            value
        ))),
    }
}

trait IntoPath {
    fn into_path(self) -> Vec<String>;
}

pub trait IntoItemData {
    fn into_item_data(self) -> ItemData;
}

impl IntoPath for &str {
    fn into_path(self) -> Vec<String> {
        if !self.contains('/') {
            return self.split(".").map(|v| v.to_owned()).collect();
        }
        self.to_owned().split("/").map(|v| v.to_owned()).collect()
    }
}

impl IntoPath for &[&str] {
    fn into_path(self) -> Vec<String> {
        self.into_iter().map(|v| (*v).to_owned()).collect()
    }
}
impl IntoPath for Vec<String> {
    fn into_path(self) -> Vec<String> {
        self
    }
}
impl IntoPath for Vec<&str> {
    fn into_path(self) -> Vec<String> {
        self.into_iter().map(|v| v.to_owned()).collect()
    }
}

impl IntoItemData for &str {
    fn into_item_data(self) -> ItemData {
        ItemData(self.into())
    }
}
impl IntoItemData for String {
    fn into_item_data(self) -> ItemData {
        ItemData(self.into())
    }
}
impl IntoItemData for &String {
    fn into_item_data(self) -> ItemData {
        ItemData(self.to_owned().into())
    }
}
impl IntoItemData for Vec<String> {
    fn into_item_data(self) -> ItemData {
        let array = self
            .into_iter()
            .map(|v| v.into_item_data().cbor().to_owned())
            .collect::<Vec<_>>();
        ItemData(CborValue::Array(array))
    }
}
impl IntoItemData for CborValue {
    fn into_item_data(self) -> ItemData {
        ItemData(self)
    }
}
impl IntoItemData for ItemData {
    fn into_item_data(self) -> ItemData {
        self
    }
}
impl IntoItemData for i128 {
    fn into_item_data(self) -> ItemData {
        ItemData(self.into())
    }
}

impl IntoItemData for u32 {
    fn into_item_data(self) -> ItemData {
        ItemData(self.into())
    }
}
impl IntoItemData for bool {
    fn into_item_data(self) -> ItemData {
        ItemData(self.into())
    }
}

impl fmt::Display for ItemData {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        write!(f, "ItemData: ");
        let display_writer = DisplayWriter(f);
        self.0
            .serialize(&mut serde_json::Serializer::pretty(display_writer))
            .map_err(|_serde_err| std::fmt::Error)
    }
}

// thanks to: https://stackoverflow.com/a/61768916
struct DisplayWriter<'a, 'b>(&'a mut fmt::Formatter<'b>);

impl<'a, 'b> io::Write for DisplayWriter<'a, 'b> {
    fn write(&mut self, bytes: &[u8]) -> std::result::Result<usize, std::io::Error> {
        self.0
            .write_str(&String::from_utf8_lossy(bytes))
            .map_err(|err| std::io::Error::new(std::io::ErrorKind::Other, err))?;

        Ok(bytes.len())
    }
    fn flush(&mut self) -> std::result::Result<(), std::io::Error> {
        todo!()
    }
}

impl PartialEq for ItemData {
    fn eq(&self, other: &Self) -> bool {
        let mut buf: Vec<u8> = Vec::new();
        let mut buf_other: Vec<u8> = Vec::new();

        ciborium::into_writer(&self.0, &mut buf);
        ciborium::into_writer(&other.0, &mut buf_other);

        buf == buf_other
    }
}
impl Eq for ItemData {}

pub fn set_config_from_data(mize: &mut Mize, mut data: ItemData) -> MizeResult<()> {
    let mut config_opts = mize.config_opts.lock().unwrap();
    for path in data.get_paths_recursive()? {
        let mut conf_name = path.replace("/", ".");
        if conf_name.starts_with(".") {
            conf_name.remove(0);
        }
        let val = data.get_path(path.split("/").filter(|s| s != &"").collect::<Vec<&str>>())?;
        match config_opts.get_mut(&mize.clone().id_new_dots(&conf_name)?) {
            Some(opt) => {
                opt.val = Some(val);
            }
            None => {
                config_opts.insert(
                    mize.clone().id_new_dots(&conf_name)?,
                    ConfigOpt {
                        name: conf_name,
                        val: Some(val),
                        fun: None,
                        deps: Vec::new(),
                    },
                );
            }
        };
    }
    Ok(())
}