use crate::options::parser::{Arg, Args, TakesValue, Values};


// exa options
pub static VERSION: Arg = Arg { short: Some(b'v'), long: "version",  takes_value: TakesValue::Forbidden };
pub static HELP:    Arg = Arg { short: Some(b'?'), long: "help",     takes_value: TakesValue::Forbidden };

// display options
pub static ONE_LINE: Arg = Arg { short: Some(b'1'), long: "oneline",  takes_value: TakesValue::Forbidden };
pub static LONG:     Arg = Arg { short: Some(b'l'), long: "long",     takes_value: TakesValue::Forbidden };
pub static GRID:     Arg = Arg { short: Some(b'G'), long: "grid",     takes_value: TakesValue::Forbidden };
pub static ACROSS:   Arg = Arg { short: Some(b'x'), long: "across",   takes_value: TakesValue::Forbidden };
pub static RECURSE:  Arg = Arg { short: Some(b'R'), long: "recurse",  takes_value: TakesValue::Forbidden };
pub static TREE:     Arg = Arg { short: Some(b'T'), long: "tree",     takes_value: TakesValue::Forbidden };
pub static CLASSIFY: Arg = Arg { short: Some(b'F'), long: "classify", takes_value: TakesValue::Forbidden };

pub static COLOR:  Arg = Arg { short: None, long: "color",  takes_value: TakesValue::Necessary(Some(COLOURS)) };
pub static COLOUR: Arg = Arg { short: None, long: "colour", takes_value: TakesValue::Necessary(Some(COLOURS)) };
const COLOURS: &[&str] = &["always", "auto", "never"];

pub static COLOR_SCALE:  Arg = Arg { short: None, long: "color-scale",  takes_value: TakesValue::Forbidden };
pub static COLOUR_SCALE: Arg = Arg { short: None, long: "colour-scale", takes_value: TakesValue::Forbidden };

// filtering and sorting options
pub static ALL:         Arg = Arg { short: Some(b'a'), long: "all",         takes_value: TakesValue::Forbidden };
pub static LIST_DIRS:   Arg = Arg { short: Some(b'd'), long: "list-dirs",   takes_value: TakesValue::Forbidden };
pub static LEVEL:       Arg = Arg { short: Some(b'L'), long: "level",       takes_value: TakesValue::Necessary(None) };
pub static REVERSE:     Arg = Arg { short: Some(b'r'), long: "reverse",     takes_value: TakesValue::Forbidden };
pub static SORT:        Arg = Arg { short: Some(b's'), long: "sort",        takes_value: TakesValue::Necessary(Some(SORTS)) };
pub static IGNORE_GLOB: Arg = Arg { short: Some(b'I'), long: "ignore-glob", takes_value: TakesValue::Necessary(None) };
pub static GIT_IGNORE:  Arg = Arg { short: None, long: "git-ignore",           takes_value: TakesValue::Forbidden };
pub static DIRS_FIRST:  Arg = Arg { short: None, long: "group-directories-first",  takes_value: TakesValue::Forbidden };
pub static ONLY_DIRS:   Arg = Arg { short: Some(b'D'), long: "only-dirs", takes_value: TakesValue::Forbidden };
const SORTS: Values = &[ "name", "Name", "size", "extension",
                         "Extension", "modified", "changed", "accessed",
                         "created", "inode", "type", "none" ];

// display options
pub static BINARY:     Arg = Arg { short: Some(b'b'), long: "binary",     takes_value: TakesValue::Forbidden };
pub static BYTES:      Arg = Arg { short: Some(b'B'), long: "bytes",      takes_value: TakesValue::Forbidden };
pub static GROUP:      Arg = Arg { short: Some(b'g'), long: "group",      takes_value: TakesValue::Forbidden };
pub static HEADER:     Arg = Arg { short: Some(b'h'), long: "header",     takes_value: TakesValue::Forbidden };
pub static ICONS:      Arg = Arg { short: None,       long: "icons",      takes_value: TakesValue::Forbidden };
pub static INODE:      Arg = Arg { short: Some(b'i'), long: "inode",      takes_value: TakesValue::Forbidden };
pub static LINKS:      Arg = Arg { short: Some(b'H'), long: "links",      takes_value: TakesValue::Forbidden };
pub static MODIFIED:   Arg = Arg { short: Some(b'm'), long: "modified",   takes_value: TakesValue::Forbidden };
pub static CHANGED:    Arg = Arg { short: None,       long: "changed",    takes_value: TakesValue::Forbidden };
pub static BLOCKS:     Arg = Arg { short: Some(b'S'), long: "blocks",     takes_value: TakesValue::Forbidden };
pub static TIME:       Arg = Arg { short: Some(b't'), long: "time",       takes_value: TakesValue::Necessary(Some(TIMES)) };
pub static ACCESSED:   Arg = Arg { short: Some(b'u'), long: "accessed",   takes_value: TakesValue::Forbidden };
pub static CREATED:    Arg = Arg { short: Some(b'U'), long: "created",    takes_value: TakesValue::Forbidden };
pub static TIME_STYLE: Arg = Arg { short: None,       long: "time-style", takes_value: TakesValue::Necessary(Some(TIME_STYLES)) };
const TIMES: Values = &["modified", "changed", "accessed", "created"];
const TIME_STYLES: Values = &["default", "long-iso", "full-iso", "iso"];

// suppressing columns
pub static NO_PERMISSIONS: Arg = Arg { short: None, long: "no-permissions", takes_value: TakesValue::Forbidden };
pub static NO_FILESIZE: Arg = Arg { short: None, long: "no-filesize", takes_value: TakesValue::Forbidden };
pub static NO_USER: Arg = Arg { short: None, long: "no-user", takes_value: TakesValue::Forbidden };
pub static NO_TIME: Arg = Arg { short: None, long: "no-time", takes_value: TakesValue::Forbidden };

// optional feature options
pub static GIT:       Arg = Arg { short: None,       long: "git",               takes_value: TakesValue::Forbidden };
pub static EXTENDED:  Arg = Arg { short: Some(b'@'), long: "extended",          takes_value: TakesValue::Forbidden };
pub static OCTAL:     Arg = Arg { short: None,       long: "octal-permissions", takes_value: TakesValue::Forbidden };


pub static ALL_ARGS: Args = Args(&[
    &VERSION, &HELP,

    &ONE_LINE, &LONG, &GRID, &ACROSS, &RECURSE, &TREE, &CLASSIFY,
    &COLOR, &COLOUR, &COLOR_SCALE, &COLOUR_SCALE,

    &ALL, &LIST_DIRS, &LEVEL, &REVERSE, &SORT, &DIRS_FIRST,
    &IGNORE_GLOB, &GIT_IGNORE, &ONLY_DIRS,

    &BINARY, &BYTES, &GROUP, &HEADER, &ICONS, &INODE, &LINKS, &MODIFIED, &CHANGED,
    &BLOCKS, &TIME, &ACCESSED, &CREATED, &TIME_STYLE,
    &NO_PERMISSIONS, &NO_FILESIZE, &NO_USER, &NO_TIME,

    &GIT, &EXTENDED, &OCTAL
]);