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/*-
 * shm-rs - a scheme serialization lib
 * Copyright (C) 2021  Aleksandr Morozov
 * 
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 *  file, You can obtain one at https://mozilla.org/MPL/2.0/.
 */



use std::fmt;
use std::io;
use std::num;

use std::collections::HashSet;
use crate::dynamic_scheme::error::DynamicSchemeError;
use crate::lexer::lexer_error::LexerError;
use crate::serializator::error::SerializationError;
use crate::static_scheme::error::StaticSchemeError;


pub type SchemeResult<T> = Result<T, SchemeError>;

#[derive(Debug)]
pub enum SchemeError 
{
    Io(io::Error),
    LexerErr(LexerError),
    SerderJsonErr(serde_json::Error),
    SedreJson(serde_json::error::Error),
    Utf8Error(std::str::Utf8Error),
    //CidrErr(cidr::NetworkParseError),
    ParseIntErr(num::ParseIntError),

    SchmStaticErr(StaticSchemeError),
    SchmDynamicErr(DynamicSchemeError),
    SchmSerialsErr(SerializationError),
}

impl fmt::Display for SchemeError 
{
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result 
    {
        match *self 
        {
            Self::Io(ref err) => err.fmt(f),
            Self::LexerErr(ref err) => err.fmt(f),
            Self::SerderJsonErr(ref err) => err.fmt(f),
            Self::SedreJson(ref err) => err.fmt(f),
            Self::Utf8Error(ref err) => err.fmt(f),
            //SchemeError::CidrErr(ref err) => err.fmt(f),
            Self::ParseIntErr(ref err) => err.fmt(f),

            Self::SchmStaticErr(ref err) => err.fmt(f),
            Self::SchmDynamicErr(ref err) => err.fmt(f),
            Self::SchmSerialsErr(ref err) => err.fmt(f),
        }
    }
}

impl From<io::Error> for SchemeError 
{
    fn from(err: io::Error) -> SchemeError 
    {
        SchemeError::Io(err)
    }
}

impl From<LexerError> for SchemeError 
{
    fn from(err: LexerError) -> SchemeError 
    {
        SchemeError::LexerErr(err)
    }
}

impl From<serde_json::Error> for SchemeError 
{
    fn from(err: serde_json::Error) -> SchemeError 
    {
        SchemeError::SerderJsonErr(err)
    }
}

impl From<std::str::Utf8Error> for SchemeError 
{
    fn from(err: std::str::Utf8Error) -> SchemeError 
    {
        SchemeError::Utf8Error(err)
    }
}

/*impl From<cidr::NetworkParseError> for SchemeError 
{
    fn from(err: cidr::NetworkParseError) -> SchemeError 
    {
        SchemeError::CidrErr(err)
    }
}*/

impl From<num::ParseIntError> for SchemeError 
{
    fn from(err: num::ParseIntError) -> SchemeError 
    {
        SchemeError::ParseIntErr(err)
    }
}

impl From<StaticSchemeError> for SchemeError 
{
    fn from(err: StaticSchemeError) -> SchemeError 
    {
        SchemeError::SchmStaticErr(err)
    }
}

impl From<DynamicSchemeError> for SchemeError 
{
    fn from(err: DynamicSchemeError) -> SchemeError 
    {
        SchemeError::SchmDynamicErr(err)
    }
}

impl From<SerializationError> for SchemeError 
{
    fn from(err: SerializationError) -> SchemeError 
    {
        SchemeError::SchmSerialsErr(err)
    }
}

pub 
fn convert_list<T: fmt::Display>(extr: &[T]) -> String
{
    let recs: Vec<String> = extr.iter().map(|v| format!("{}", v)).collect();

    return recs.join(" ");
}

pub 
fn convert_hashset<T: fmt::Display>(extr: &HashSet<T>, sep: &str) -> String
{
    let recs: Vec<String> = extr.iter().map(|v| format!("{}", v)).collect();

    return recs.join(sep);
}