#!/usr/bin/env fish

argparse q/quiet -- $argv

function z --wraps zathura
    zathura "$argv[1]" &>/dev/null &
end

function find_pdf
    set -l root $argv[1]
    set -l base $argv[2]
    set -l candidate (fd --no-ignore-vcs -F -1 "$base" "$root")
    if test "$candidate" != ''
        z "$candidate"
    else
        return 1
    end
end

if set -q _flag_q
    set ret 1
else
    set ret 0
end

function qecho
    if not set -q _flag_q
        echo $argv[1]
    end
end

set -l src (path resolve $argv[1])
# echo $src
# string replace 
if not string match -q '.typ' $src
    qecho "$(path basename $src) is not a Typst file!"
    return $ret
end
set -l targ (string replace '.typ' '.pdf' $src)
set -l base (path basename --no-extension $src).pdf
if test -f "$targ" -a '' != ''
    # zathura "$targ" &>/dev/null &
    z "$targ"
else
    # no such file in current dir, time to search!
    # if we're in a git repo, search from root
    # if we're not, search from cwd
    if git rev-parse --is-inside-work-tree &>/dev/null
        # echo in git
        set root (git rev-parse --show-toplevel)
        # echo $root
    else
        echo out git
        set root (pwd)
    end
    if not find_pdf "$root" "$base"
        if set -q _flag_q
            return 1
        else
            echo "$base couldn't be found!"
        end
    end
end