// WARN: This file is auto generated by flood-tide-gen
const OPTIONS_TEXT: &str = r"Options:
  -v, --verbose                 verbose message
  -q, --quiet                   quiet message
  -d, --debug                   debug message
  -n, --dry-run                 not realy prosess
  -e, --exclude <expr>          regex string of exclude file name
  -s, --limit-size <num[gmk]>   file size limit

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

#[repr(u8)]
#[derive(Debug, PartialEq, Eq)]
enum CmdOp {
    Verbose,
    Quiet,
    Debug,
    DryRun,
    Exclude,
    LimitSize,
    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;8] = [
    Opt { sho: b'd', lon: "debug",         has: Arg::No,  num: CmdOp::Debug.to(), },
    Opt { sho: b'n', lon: "dry-run",       has: Arg::No,  num: CmdOp::DryRun.to(), },
    Opt { sho: b'e', lon: "exclude",       has: Arg::Yes, num: CmdOp::Exclude.to(), },
    Opt { sho: b'h', lon: "help",          has: Arg::No,  num: CmdOp::Help.to(), },
    Opt { sho: b's', lon: "limit-size",    has: Arg::Yes, num: CmdOp::LimitSize.to(), },
    Opt { sho: b'q', lon: "quiet",         has: Arg::No,  num: CmdOp::Quiet.to(), },
    Opt { sho: b'v', lon: "verbose",       has: Arg::No,  num: CmdOp::Verbose.to(), },
    Opt { sho: b'V', lon: "version",       has: Arg::No,  num: CmdOp::Version.to(), },
];

#[rustfmt::skip]
const OPT_ARY_SHO_IDX: [(u8,usize);8] = [
(b'V',7),(b'd',0),(b'e',2),(b'h',3),(b'n',1),(b'q',5),(b's',4),(b'v',6),];

#[derive(Debug, Default, PartialEq, Eq)]
pub struct CmdOptConf {
    pub prog_name: String,
    //
    pub flg_verbose: bool,
    pub flg_quiet: bool,
    pub flg_debug: bool,
    pub flg_dry_run: bool,
    pub opt_exclude: String,
    pub opt_limit_size: String,
    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())),
    }
}