# This function lets the user conveniently upload a paste to sr.ht,
# and copy its url. You can also copy the url of a paste
# you've already uploaded.
function pb --description 'Upload a paste to sr.ht'
    function select_paste
        set -l lines (string split \n (hut paste list) | string trim | string match -rv '^$')
        if test (count $lines) -le 1
            false
            return
        end
        for i in (seq 1 2 (count $lines))
            set -l meta $lines[$i]
            set -l filename $lines[(math $i + 1)]
            set -l append "$filename: $meta"
            if not set -q list
                set --function list $append
            else
                set --function list $list $append
            end
        end
        set -l selection (printf '%s\n' $list | fzf)
        set -l hash (string split ' ' $selection)[2]
        echo $hash
    end
    function get_user
        if set -q srht_user
            echo "~$srht_user"
        else
            string split ' ' (hut meta show)[1][1]
        end
    end
    set -l cmd $argv[1]
    set -l args $argv[2..]
    switch $cmd
        case create
            set -l output (hut paste create $args)
            if not test $status = 0
                echo 'Error creating paste!'
                false
                return
            end
            set -l url (string match -r 'https://paste\.sr\.ht/.+/[a-zA-Z0-9]+$' $output)
            echo $url | wl-copy
            echo "$url copied to clipboard."

        case copy
            set -l hash (select_paste; or 1)
            if test hash = 1
                echo 'Error selecting a paste!'
                return 1
            end
            set -l url "https://paste.sr.ht/$(get_user)/$hash"
            string trim $url | wl-copy
            echo "$url copied to clipboard."
        case delete
            set -l hash (select_paste; or 1)
            if test hash = 1
                echo 'Error selecting a paste!'
                return 1
            end
            hut paste delete $hash
            echo $hash 'deleted successfully!'
        case show
            set -l hash (select_paste; or 1)
            if test hash = 1
                echo 'Error selecting a paste!'
                return 1
            end
            hut paste show $hash
        case id
            select_paste; or return 1
        case '*'
            echo 'Unknown arguments!'
            return 1
    end
end