// WARN: This file is auto generated by flood-tide-gen
const OPTIONS_TEXT: &str = r"Options:
  -u, --update              update mode
  -s, --symbol <symbol>     expected symbol
  -o, --output <dir>        bi5 data into <dir>
      --from <date>         proces from <date>
      --to <date>           proces to <date>

  -H, --help     display this help and exit
  -V, --version  display version information and exit
";

#[repr(u8)]
#[derive(Debug, PartialEq, Eq)]
enum CmdOp {
    Update,
    Symbol,
    Output,
    From,
    To,
    Help,
    Version,
}

impl std::convert::From<u8> for CmdOp {
    fn from(value: u8) -> Self {
        unsafe { std::mem::transmute(value) }
    }
}
impl CmdOp {
    pub const fn to(self) -> OptNum {
        self as OptNum
    }
}

#[rustfmt::skip]
const OPT_ARY: [Opt;7] = [
    Opt { sho: 0u8,  lon: "from",          has: Arg::Yes, num: CmdOp::From.to(), },
    Opt { sho: b'H', lon: "help",          has: Arg::No,  num: CmdOp::Help.to(), },
    Opt { sho: b'o', lon: "output",        has: Arg::Yes, num: CmdOp::Output.to(), },
    Opt { sho: b's', lon: "symbol",        has: Arg::Yes, num: CmdOp::Symbol.to(), },
    Opt { sho: 0u8,  lon: "to",            has: Arg::Yes, num: CmdOp::To.to(), },
    Opt { sho: b'u', lon: "update",        has: Arg::No,  num: CmdOp::Update.to(), },
    Opt { sho: b'V', lon: "version",       has: Arg::No,  num: CmdOp::Version.to(), },
];

#[rustfmt::skip]
const OPT_ARY_SHO_IDX: [(u8,usize);5] = [
(b'H',1),(b'V',6),(b'o',2),(b's',3),(b'u',5),];

#[derive(Debug, Default, PartialEq, Eq)]
pub struct CmdOptConf {
    pub prog_name: String,
    //
    pub flg_update: bool,
    pub opt_symbol: String,
    pub opt_output: String,
    pub opt_from: Option<OptFromtoDate>,
    pub opt_to: Option<OptFromtoDate>,
    pub flg_help: bool,
    pub flg_version: bool,
    //
    pub arg_params: Vec<String>,
}

impl flood_tide::HelpVersion for CmdOptConf {
    fn is_help(&self) -> bool {
        self.flg_help
    }
    fn is_version(&self) -> bool {
        self.flg_version
    }
}

fn value_to_string(nv: &NameVal<'_>) -> Result<String, OptParseError> {
    match nv.val {
        Some(x) => Ok(x.to_string()),
        None => Err(OptParseError::missing_option_argument(&nv.opt.lon_or_sho())),
    }
}

fn value_to_opt_fromto_date(nv: &NameVal<'_>) -> Result<OptFromtoDate, OptParseError> {
    match nv.val {
        Some(s) => match FromStr::from_str(s) {
            Ok(x) => Ok(x),
            Err(err) => Err(OptParseError::invalid_option_argument(
                &nv.opt.lon_or_sho(),
                &err.to_string(),
            )),
        },
        None => Err(OptParseError::missing_option_argument(&nv.opt.lon_or_sho())),
    }
}