#!/bin/fish
set base "https://server.elscione.com/Manga/The%20Promised%20Neverland%20%28Digital%29"

mkdir -p "The Promised Neverland"

for v in (seq -w 1 18)

    set v_num (math $v)

    # Year mapping (based on your files)
    if test $v_num -eq 1
        set year 2017
    else if test $v_num -le 7
        set year 2018
    else if test $v_num -le 16
        set year 2019
    else if test $v_num -eq 17
        set year 2020
    else
        set year 2021
    end

    # Only early volumes have (F)
    if test $v_num -le 5
        set tag "%20%28F%29"
    else
        set tag ""
    end

    set url "$base/The%20Promised%20Neverland%20v$v%20%28$year%29$tag%20%28Digital%29%20%28LuCaZ%29.cbz"

    echo "Downloading v$v ($year)"

    wget -P "The Promised Neverland" "$url"
    or echo "Missing: v$v"
end