#!/usr/bin/env bash
# 
# SCRIPT NAME:
# install
#
# AUTHOR:
# Severin Kaderli <severin@kaderli.dev>
#
# DESCRIPTION:
# This is the main installation script for my dotfiles. It setups the symlinks
# to the neeeded files, creates new directories, enables systemd services,
# installs pacman packages and gives out the correct permissions to files.
#
# USAGE:
# ./install
. ./system/.local/bin/utils

###############################################################################
# Configuration variables                                                     #
###############################################################################
# The user for the installation
USER="severin"

# Directories which should be created
DIRECTORIES=(
    ".local/log"
    "Build"
    "Downloads"
    "Projects"
    "Videos"
    "Pictures"
    "Music"
)

# Files which should be symlinked in the home folder
LINKED_FILES_HOME=(
    ".config/autokey"
    ".config/bat"
    ".config/cmus"
    ".config/compton"
    ".config/cron"
    ".config/custom"
    ".config/dconf"
    ".config/dunst"
    ".config/git"
    ".config/gtk-2.0"
    ".config/gtk-3.0"
    ".config/httpie"
    ".config/i3"
    ".config/mpv"
    ".config/newsboat"
    ".config/npm"
    ".config/polybar"
    ".config/python"
    ".config/redshift"
    ".config/streamlink"
    ".config/termite"
    ".config/Trolltech.conf"
    ".config/vim"
    ".config/vue"
    ".config/wget"
    ".config/X11"
    ".config/zsh"
    ".local/bin"
)

# Symlinks which will be created
declare -A LINKED_FILES
LINKED_FILES=(
    ["${HOME}/Music"]="${HOME}/Documents/Media/Music"
    ["${HOME}/Pictures"]="${HOME}/Documents/Media/Pictures"
)

# Permissions to set for folders and files
declare -A PERMISSIONS
PERMISSIONS=(
    ["${XDG_BIN_HOME}"]="744"
)

# Groups the user should be added to
ADD_GROUPS=(
    "bumblebee"
)

# Array of systemd services which should be enabled
SYSTEMD_SERVICES=(
    "bumblebeed"
    "cronie"
    "NetworkManager"
    "org.cups.cupsd"
)

#######################################
# Main code
#######################################
print_header "Installing requirements"
sudo pacman -S git base-devel --noconfirm --needed

print_header "Creating directories"
for dir in "${DIRECTORIES[@]}"
do
    create_directory "${dir}"
done

print_header "Installing yay"
is_yay_installed=$(command -v yay)

# Install yay if not already installed
if [ -z "${is_yay_installed}" ]; then
    git clone https://aur.archlinux.org/yay.git
    cd yay
    makepkg -si --noconfirm --skippgpcheck
    cd ..
    rm -rf yay
else
    print_log "yay is already installed"
fi


print_header "Installing packages"
package_count=$(cat "${PACKAGES_DIR}/packages.list" | wc -l)
print_log "Installing "${package_count}" packages"
# Install packages
#yay -S --noconfirm $(cat "${PACKAGES_DIR}/packages.list")

print_header "Creating symlinks"
for file in "${LINKED_FILES_HOME[@]}";
do
    create_link "${file}"
done

for file in "${!LINKED_FILES[@]}"; do
    print_log "Linking ${YELLOW}${file}${RESET} -> ${YELLOW}${LINKED_FILES[${file}]}${RESET}"
    rm -rf "${file}"
    ln -fs "${LINKED_FILES[${file}]}" "${file}"
done

print_header "Give permissions"
for permission in "${!PERMISSIONS[@]}"; do
    set_permission "${USER}" "${PERMISSIONS[${permission}]}" "${permission}"
done

print_header "Add user to groups"
for group in "${ADD_GROUPS[@]}"
do
    add_to_group "${USER}" "${group}"
done

print_header "Enabling systemd services"
for service in "${SYSTEMD_SERVICES[@]}"
do
    enable_service "${service}"
done

print_header "Copy custom udev rules"
for file in ${SYSTEM_DIR}/etc/udev/rules.d/*.rules
do
    copy_udev_rule "${file}"
done
sudo udevadm control --reload-rules

print_header "Copy sudoers content"
for file in ${SYSTEM_DIR}/etc/sudoers.d/*
do
    copy_sudoers_content "${file}"
done