#                                                                       ╭────────────────────────────────────╮
#                                                                       │ FUNCTION: packagemanager detection │
#                                                                       ╰────────────────────────────────────╯

function upin

    # ─< check for sudo/root >──────────────────────────────────────────────────────────────────
    if [ $USER = "root" ]
        set su ""
    else
        if command -v sudo >/dev/null 2>&1
            set su "sudo"
        end
    end

    # ─────────────────────────< START | distro/packagemanger detection >─────────────────────────
    # ─< DNF - Fedora >─────────────────────────────────────────────────────
    if command -v dnf
        set pkg "$su dnf"
        set install "$pkg install"
        set update "$pkg update && $pkg upgrade"
        set search "$pkg search"
        set remove "$pkg remove"
        set -a ALIASSES "-- You're using DNF aliases!! --"
    end

    # ─< APT/NALA - Debian >────────────────────────────────────────────────
    if command -v nala >/dev/null 2>&1
        set pkg "$su nala"
        set install "$pkg update && $pkg install"
        set update "$pkg update && $pkg upgrade"
        set search "$pkg search"
        set remove "$pkg remove"
        set ALIASSES "-- You're using NALA aliases!! --"
    else
        if command -v apt-get >/dev/null 2>&1
            set pkg "$su apt-get"
            set install "$pkg update && $pkg install"
            set update "$pkg update && $pkg upgrade"
            set search "$pkg search"
            set remove "$pkg remove"
            set ALIASSES "-- You're using APT aliases!! --"
        end
    end

    # ─< Pacman - Arch >────────────────────────────────────────────────────
    if command -v paru >/dev/null 2>&1
        set pkg "paru"
        set install "$pkg -S"
        set update "$pkg -Syu"
        set search "$pkg -Ss"
        set remove "$pkg -R"
        set ALIASSES "-- You're using Arch!! - installed helper: paru --"
    else
        if command -v yay >/dev/null 2>&1
            set pkg "yay"
            set install "$pkg -S"
            set update "$pkg -Syu"
            set search "$pkg -Ss"
            set remove "$pkg -R"
            set ALIASSES "-- You're using Arch!! - installed helper: yay --"
        else
            if command -v pacman >/dev/null 2>&1
                set pkg "$su pacman"
                set install "$pkg -S"
                set update "$pkg -Syu"
                set search "$pkg -Ss"
                set remove "$pkg -R"
                set ALIASSES "-- by the PACMAN - You're using Arch!! --"
            end
        end
    end

    # ─< Zypper - OpenSuse >────────────────────────────────────────────────────────────────────
    if command -v zypper >/dev/null 2>&1
        set pkg "$su zypper"
        set install "$pkg in"
        set update "$pkg dup"
        set search "$pkg se"
        set remove "$pkg rm"    
        alias lock="$pkg al"
        set ALIASSES "-- I see.. you're using OpenSUSE. i like <3 --
        --	ZYPPER	  --   "
    end

    # ─< APK - Alpine >─────────────────────────────────────────────────────────────────────────
    if command -v apk >/dev/null 2>&1
        set pkg "$su apk"
        set install "$pkg add"
        set update "$pkg update"
        set search "$pkg search"
        set ALIASSES "-- Alpine.. right, this fast os is evolving.. --"
    end
    if test -n "$install"
        set -U FISH_INSTALL $install
        set vars "install" "update" "search" "remove"
        for env in $vars
            if not test -z "$env"
                alias "$env"="$$env"
            end
        end
    end
end

#                                      ╭──────────────────────────────────────────────────────────────────────────────────────────────────────╮
#                                      │ FUNCTION: Define function gsa (to ask the user which submodule to clone to which path and which name │
#                                      ╰──────────────────────────────────────────────────────────────────────────────────────────────────────╯
function gsa
    set dir $PWD
    echo "-- these are the current submodules --"
    if command -v rg >/dev/null 2>&1
        echo "-- for $dir --"
        rg -i submodule (echo $dir/.gitmodules)
    end

    # ─< Prompt the user to enter the repository URL to add as a submodule >────────────────────
    echo "-- enter the repository to add as a submodule --"
    read repo

    # ─< Prompt the user to enter the branch to checkout (e.g., main, master) >─────────────────
    echo "-- enter the branch to checkout (main/master..) --"
    read branch

    # ─< Prompt the user to enter the relative path where the submodule will be cloned >────────
    # ─< Advise not to use the leading / or ./ >────────────────────────────────────────────────
    echo "-- enter the relative path, where the submodule will be cloned to. (!! do it like this: ./path/to/clone/to) --"
    read -S path

    echo "-- enter a name for the submodule --"
    read -l name

    # ─< Ask the user for confirmation if the constructed command looks correct >───────────────
    echo "git submodule add --branch $branch $repo $path"
    echo "-- does this command look right to you? [y/n] --"
    read -l comm

    # ─< Switch statement to handle the user's confirmation input >─────────────────────────────
    switch $comm
        # ─< If the user inputs 'y' or 'Y', execute the git submodule add command >─────────────────
    case 'y' 'Y'
        git submodule add --branch $branch --name $name $repo $path
        git submodule update --init --recursive
        git add .
        git commit -m "Addet $name as a submodule"
        git push

        # ─< If the user inputs 'n' or 'N', notify them to try again >──────────────────────────────
    case 'n' 'N'
        echo "-- all right, just try again :) --"
    end
end

#                                                                ╭───────────────────────────────────────────────────╮
#                                                                │ FUNCTION: set tmux command to always work with ta │
#                                                                ╰───────────────────────────────────────────────────╯
if command -v tmux >/dev/null 2>&1
    function ta
        command tmux list-sessions >/dev/null 2>&1
        switch $status
        case 0
            echo "Tmux session found. Entering it now! --"
            sleep 0.5
            tmux a
        case '*'
            echo "No Tmux session found. Creating one now! --"
            tmux
        end
    end
end

#                                                                   ╭────────────────────────────────────────────╮
#                                                                   │ FUNCTION: check fisher plugin dependencies │
#                                                                   ╰────────────────────────────────────────────╯
function dep_fisher
# ─< Define dependencies for the plugins used by fisher >───────────────────────────────────
    begin
        set dependencies "fzf" "btop" "fastfetch" "curl" "wget" "cmatrix"
# ─< Check and install dependencies >───────────────────────────────────────────────────────
        for dep in $dependencies
            if not command -v $dep >/dev/null 2>&1
                echo "Dependency $dep is not installed. Installing..."
                if test -n "$FISH_INSTALL"
                    alias fish_install="$FISH_INSTALL"
                    fish_install $dep
                else
                    echo "FISH_INSTALL is not defined: $FISH_INSTALL | Please install $dep manually."
                end
            end
        end
    end
end

#                                                              ╭───────────────────────────────────────────────────────╮
#                                                              │ FUNCTION: check for fisher and install if not present │
#                                                              ╰───────────────────────────────────────────────────────╯

function check_fishr
    if test ! -e $HOME/.config/fish/functions/fisher.fish && test ! -e $HOME/.config/fish/.fishr.init
        echo "you did it!!"> $HOME/.config/fish/.fishr.init && curl -sL https://raw.githubusercontent.com/jorgebucaran/fisher/main/functions/fisher.fish | source & fisher install jorgebucaran/fisher
    end
end

# ────────────────────────────────────< setup some stuff >────────────────────────────────────
upin
dep_fisher
check_fishr