#!/bin/bash

DIR=$(readlink -f $(dirname $0))
. $DIR/../env.sh

# install fish shell
echo Installing fish shell
case "$PM" in
    apt)
        ! which pip3 && $ROOT/python/install.sh
        sudo add-apt-repository ppa:fish-shell/release-3 -y
        sudo apt update
        sudo apt install fish libnotify-bin xdotool silversearcher-ag dash -y
        if apt show fzf &>/dev/null; then
            sudo apt install fzf
        elif ! which fzf &>/dev/null; then
            git clone --depth 1 https://github.com/junegunn/fzf.git ~/.fzf
            ~/.fzf/install
        fi
        ;;
    pacman)
        ! which pip && $ROOT/python/install.sh
        sudo pacman -S --needed --needed fish xdotool fzf the_silver_searcher dash
        # prevent bash upgradation relink /bin/sh
        sudo mkdir -p /etc/pacman.d/hooks
        cat <<'        EOT' | sed 's/^ *//' | sudo tee /etc/pacman.d/sh-is-dash.hook
        [Trigger]
        Type = Package
        Operation = Install
        Operation = Upgrade
        Target = bash

        [Action]
        Description = Re-pointing /bin/sh symlink to dash...
        When = PostTransaction
        Exec = /usr/bin/ln -sfT dash /usr/bin/sh
        Depends = dash
        EOT
        ;;
esac

# use dash as default shell because it much faster and will be used  vim-fugitive,
# which leads to a much faster responsive speed
sudo /usr/bin/ln -sfT dash /usr/bin/sh
chsh -s /bin/sh


# symlink config
[ -L $XDG_CONFIG_HOME/fish ] && rm -rf $XDG_CONFIG_HOME/fish

lnsf $DIR/config/config.fish $XDG_CONFIG_HOME/fish/config.fish
lnsf $DIR/config/functions/fish_prompt.fish $XDG_CONFIG_HOME/fish/functions/fish_prompt.fish
lnsf $DIR/config/functions/fish_right_prompt.fish $XDG_CONFIG_HOME/fish/functions/fish_right_prompt.fish
lnsf $DIR/config/functions/fisher.fish $XDG_CONFIG_HOME/fish/functions/fisher.fish

# install plugins
fish -c "fisher add jethrokuan/fzf"