#!/usr/bin/env bash

# Installs user preferences the way I like it

# Configuration
function prompt { # text
    while true; do
        read -p "$1 [yn] " yn
        case $yn in
            [Yy]* ) return 1;;
            [Nn]* ) return 0;;
            * ) echo "Please answer yes or no.";;
        esac
    done
}

# Don't ask for things that are already there
TERMUX=0
if [ -d /data/data/com.termux/files ]; then
    TERMUX=1
    GUI=0
fi

if which i3 &> /dev/null; then
    GUI=1
fi

if [ -z $ADMIN ]; then
    prompt "Are you a superuser on this machine?"
    ADMIN=$?
fi
if [ -z $GUI ]; then
    prompt "Do you want a X environment on this machine?"
    GUI=$?
fi
if [ -z $EXTRA ]; then
    prompt "Do you want not-so-needed software on this machine?"
    EXTRA=$?
fi

# TODO Verify if the package exists before installing it

# System detection
if which pacman &> /dev/null; then
    ARCH=1
    if [ $ADMIN == 1 ]; then
        sudo pacman -Sy
        function installOne { # package
            pacman -Q $1 &> /dev/null
            if [ $? == 1 ]; then
                sudo pacman -S $1 --noconfirm --needed
            fi
        }
        function installFileOne { # file
            sudo pacman -U "$1"
        }
        if which aurman &> /dev/null; then
            function altInstallOne { # package
                pacman -Q $1 &> /dev/null
                if [ $? == 1 ]; then
                    aurman -S "$1" --noconfirm --noedit
                fi
            }
        elif which pacaur &> /dev/null; then
            function altInstallOne { # package
                pacman -Q $1 &> /dev/null
                if [ $? == 1 ]; then
                    pacaur -S "$1" --noconfirm --noedit
                fi
            }
        elif which yaourt &> /dev/null; then
            function altInstallOne { # package
                pacman -Q $1 &> /dev/null
                if [ $? == 1 ]; then
                    yaourt -S "$1" --noconfirm
                fi
            }
        else
            # Install package from PKGBUILD file
            function installPKGBUILD { # url
                TMP_DIR="$(mktemp -d /tmp/pkgbuild.XXXXXXXXXX)"
                cd "$TMP_DIR"
                wget "$1" -O PKGBUILD
                makepkg -si
                cd -
                rm -rf "$TMP_DIR"
            }

            function altInstallOne { # package
                pacman -Q $1 &> /dev/null
                if [ $? == 1 ]; then
                    installPKGBUILD "https://aur.archlinux.org/cgit/aur.git/plain/PKGBUILD?h=$1"
                fi
            }
        fi
    else
        echo "You're on a Arch System but it's not yours? Did Arch got that popular?"
        return 42
    fi

elif which dpkg &> /dev/null; then
    DEBIAN=1
    if [[ $ADMIN == 1 || $TERMUX == 1 ]]; then
        if [ $TERMUX == 1 ]; then
            DEBIAN=0
            apt update -y
        else
            sudo apt-get update -y
        fi
        function installOne { # package

            # Finding out if it's already installed or not
            STATUS=$(mktemp)
            LANG=C dpkg-query --status $1 &> $STATUS
            installed=0
            if [ $? == 0 ]; then
                cat $STATUS | grep '^Status:' | grep ' installed' --quiet
                if [ $? == 0 ]; then
                    installed=1
                fi
            fi
            rm -f $STATUS > /dev/null

            # Installing if it's not installed
            if [ $installed == 0 ]; then
                # TODO noconfirm
                if [ $TERMUX == 1 ]; then
                    apt install $1 -y
                else
                    sudo apt-get install $1 -y
                fi
            fi
        }
        function installFileOne { # file
            dpkg -i "$1"
        }
    else
        function installOne { # package
            debloc install $1
        }
        function installFileOne { # file
            debloc deb "$1"
        }
    fi
    function altInstallOne {
        echo "[ERROR] There's no alternate installer for this distribution. Can't install $1."
    }
else
    echo "Uuuh, what kind of distribution is this?"
    return 1
fi

# Install package with the standard
# package manager for the distribution
function inst {
    for pkg in $*; do
        installOne $pkg
    done
}

# Install package FILE with the standard
# package manager for the distribution
function instFile {
    for pkg in $*; do
        installFileOne $pkg
    done
}

# Install package with the alternate
# package manager for the distribution
function altInst {
    for pkg in $*; do
        altInstallOne $pkg
    done
}

function systemdUserUnit {
    systemctl --user enable "$1"
    systemctl --user start "$1"
}

# Common CLI

changeColors monokai

# Utils
if [ $TERMUX == 1 ]; then
    inst coreutils man openssl-tool grep sed sh tar
    inst termux-api
    if [ $ADMIN == 1 ]; then
        inst tsu
    fi
fi
inst moreutils screen ncdu lsof htop proxytunnel pv curl wget netcat mosh bash-completion rsync pwgen fzf highlight
# TODO Test those who are on Debian machines and those who aren't
if [ $ARCH == 1 ]; then
    inst bash-completion
    altInst gopass
else
    inst pass
fi

# Dev
if [ $DEBIAN == 1 ]; then
    inst build-essential
elif [ $ARCH == 1 ]; then
    inst base-devel
else
    inst make
fi
inst git


# Text editor
inst neovim
if [ $DEBIAN == 1]; then
    inst python-neovim pyhon3-neovim
elif [ $ARCH == 1]; then
    inst python2-neovim python-neovim
fi

if [ $DEBIAN == 1 ]; then
    inst exuberant-ctags
else
    inst ctags
fi
vim +PlugUpgrade +PlugUpdate +PlugInstall +qall

# Common GUI
if [ $GUI == 1 ]; then
    .Xresources.d/configure

    # Desktop manager
    inst dunst feh i3-wm i3lock numlockx qutebrowser rofi rxvt-unicode scrot trayer unclutter xautolock xclip
    if [ $ARCH == 1 ]; then
        inst xorg-xinit xorg-xbacklight
        altInst lemonbar-xft-git autorandr-git keynav-enhanced pacmixer rofi-pass
    elif [ $DEBIAN == 1 ]; then
        # TODO autorandr pacmixer rofi-pass
        inst lemonbar keynav xbacklight
    fi

    # Screen filter
    if [ $ARCH == 1 ]; then
        altInst sct
    elif [ $TERMUX != 1 ]; then
        if [ ! -f $HOME/.local/bin/sct ]; then
            TMP=$(mktemp /tmp/XXXXXXXXXX.c)
            wget https://gist.githubusercontent.com/ajnirp/208c03d3aa7f02c743d2/raw/55bf3eed25739173d8be57b5179ed5542cf40ed6/sct.c -O $TMP
            cc $TMP --std=c99 -lX11 -lXrandr -o $HOME/.local/bin/sct
            rm $TMP
        fi
    fi
fi


if [ $EXTRA == 1 ]; then
    # Extra dev (not on mobile though ^^)
    if [ $TERMUX == 0 ]; then
        inst cmake clang llvm ccache python-pip
    fi

    # Extra CLI
    inst ffmpeg optipng syncthing mutt notmuch mbsync jq
    inst unzip unrar jdupes bedup
    systemdUserUnit syncthing
    if [ $ARCH == 1 ]; then
        insta pandoc youtube-dl translate-shell imagemagick
        altInst insect pdftk visidata

        # Orga
        # TODO For others
        inst vdirsyncer khard todoman offlineimap khal
        systemdUserUnit vdirsyncer.timer
    elif [ $DEBIAN == 1]; then
        inst pandoc pdftk visidata translate-shell youtube-dl
    else
        # translate-shell
         curl -L git.io/trans > ~/.local/bin/trans
         chmod +x ~/.local/bin/trans

         # TODO Others
    fi

    # Extra GUI
    if [ $GUI == 1 ]; then
        inst vlc gimp mpd thunar musescore evince pdfpc texlive-{most,lang}

        if [ $ARCH == 1 ]; then
            inst simplescreenrecorder mpc
            altInst vimpc-git ashuffle-git ttf-emojione-color 
        fi

        # TODO Others

    fi
fi