const std = @import("std");
const yazap = @import("yazap");

const allocator = std.heap.page_allocator;
const log = std.log;
const Command = yazap.Command;
const flag = yazap.flag;

pub fn main() anyerror!void {
    var ls = Command.new(allocator, "ls");
    defer ls.deinit();

    try ls.addArg(flag.boolean("all", 'a'));
    try ls.addArg(flag.boolean("recursive", 'R'));
    // For now short name can be null but not long name
    // that's why one-line long name is used for -1 short name
    try ls.addArg(flag.boolean("one-line", '1'));
    try ls.addArg(flag.boolean("size", 's'));
    try ls.addArg(flag.boolean("version", null));
    try ls.addArg(flag.boolean("help", null));

    try ls.addArg(flag.argOne("ignore", 'I'));
    try ls.addArg(flag.argOne("hide", null));

    try ls.addArg(flag.option("color", 'C', &[_][]const u8{
        "always",
        "auto",
        "never",
    }));

    var ls_args = try ls.parseProcess();
    defer ls_args.deinit();

    // It's upto you how you check for each args
    // for now i am showing you in a straightforward way

    if (ls_args.isPresent("help")) {
       log.info("show help", .{});
       return;
    }

    if (ls_args.isPresent("version")) {
        log.info("v0.1.0", .{});
        return;
    }

    if (ls_args.isPresent("all")) {
        log.info("show all");
        return;
    }

    if (ls_args.isPresent("recursive")) {
        log.info("show recursive", .{});
        return;
    }

    if (ls_args.valueOf("ignore")) |pattern| {
        log.info("ignore pattern = {s}", .{pattern});
        return;
    }

    if (ls_args.isPresent("color")) {
        const when = ls_args.valueOf("color").?;

        log.info("color={s}", .{when});
        return;
    }
}