#!/usr/bin/env bash

set -o errexit  # crash the script when a command crash
set -o pipefail # same as above
set -o nounset  # crash when a variable doesnt exist

# TRACE=1 for debug
if [[ "${TRACE-0}" == "1" ]]; then
    set -o xtrace
fi

cd "$(dirname "$0")" # change script directory

main() {
    # === Init pacman ==
    pacman-key --init
    pacman-key --populate
    pacman -S archlinux-keyring --noconfirm

    # === Update Arch ==
    pacman -Syu --noconfirm

    # === Remove packages ==
    pacman -R --noconfirm fakeroot-tcp

    # === Install packages ==
    pacman -S --noconfirm git wget zip openssh bat base-devel make python-pygments micro git-lfs npm sdl2_image nodejs fish autoconf valgrind automake python-virtualenv gdb tk sdl2_mixer exa texlive-most fzf glu man-pages-fr neofetch python-pip opam pacman-contrib cpanminus unison rebuild-detector

    # === Colors package manager ==
    sed -i "s/#Color/Color/g" /etc/pacman.conf

    # === Remove SU password ==
    echo -e "# Disable password for specific user\nanri ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers

    # === Yay ==
    git clone https://aur.archlinux.org/yay.git
    cd yay || exit
    makepkg -si --noconfirm
    # Remove folder
    cd ..
    rm -rf yay
    # Enable *-git package updates
    yay -Y --devel --save

    # === AUR packages ==
    yay -S --noconfirm spim-svn

    # === Rust ==
    curl --proto "=https" --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
    source "$HOME"/.cargo/env
    # Dev tools
    rustup component add rust-analysis rls
    # Add Cargo packages from Rust
    fish -c "fish_add_path $HOME/.cargo/bin"

    # === Set-up systemd
    mkdir subsystemctl
    cd subsystemctl || exit
    curl -so PKGBUILD https://raw.githubusercontent.com/sorah/arch.sorah.jp/master/aur-sorah/PKGBUILDs/subsystemctl/PKGBUILD
    makepkg -si --noconfirm
    cd ..
    rm -rf tmsubsystemctlp
    subsystemctl start

    # === Locales ==
    sed -i "s/#fr_FR.UTF-8 UTF-8/fr_FR.UTF8 UTF-8/g" /etc/locale.gen
    locale-gen
    subsystemctl exec sudo localectl set-locale fr_FR.UTF-8

    # === Fish ==
    # Remove motd
    fish -c "set -U fish_greeting"
    # Reversed search
    curl -sL https://git.io/fisher | fish -c "source && fisher install jorgebucaran/fisher"
    fish -c "fisher install jethrokuan/fzf"
    fish -c "fisher install jorgebucaran/autopair.fish"
    # SSH
    rm "$HOME"/.config/fish/functions/fish_ssh_agent.fish 2> /dev/null
    wget -q https://gitlab.com/kyb/fish_ssh_agent/raw/master/functions/fish_ssh_agent.fish -P "$HOME"/.config/fish/functions/
    mkdir "$HOME"/.ssh
    # Custom config.fish
    rm "$HOME"/.config/fish/config.fish 2> /dev/null
    wget -q https://git.kennel.ml/Anri/confOS/raw/branch/main/.config/fish/config_wsl.fish -O "$HOME"/.config/fish/config.fish
    # Custom prompt shell (based on https://github.com/fish-shell/fish-shell/blob/master/share/tools/web_config/themes/Base16%20Eighties.theme)
    # Modifications: Changed comment color
    rm "$HOME"/.config/fish/functions/fish_prompt.fish 2> /dev/null
    wget -q https://git.kennel.ml/Anri/confOS/raw/branch/main/.config/fish/functions/fish_prompt.fish -P "$HOME"/.config/fish/functions/
    fish -c "set -U fish_color_normal normal"
    fish -c "set -U fish_color_command 99cc99"
    fish -c "set -U fish_color_quote ffcc66"
    fish -c "set -U fish_color_redirection d3d0c8"
    fish -c "set -U fish_color_end cc99cc"
    fish -c "set -U fish_color_error f2777a"
    fish -c "set -U fish_color_param d3d0c8"
    fish -c "set -U fish_color_comment 5c6773"
    fish -c "set -U fish_color_match 6699cc"
    fish -c "set -U fish_color_selection white --bold --background=brblack"
    fish -c "set -U fish_color_search_match bryellow --background=brblack"
    fish -c "set -U fish_color_history_current --bold"
    fish -c "set -U fish_color_operator 6699cc"
    fish -c "set -U fish_color_escape 66cccc"
    fish -c "set -U fish_color_cwd green"
    fish -c "set -U fish_color_cwd_root red"
    fish -c "set -U fish_color_valid_path --underline"
    fish -c "set -U fish_color_autosuggestion 747369"
    fish -c "set -U fish_color_user brgreen"
    fish -c "set -U fish_color_host normal"
    fish -c "set -U fish_color_cancel -r"
    fish -c "set -U fish_pager_color_completion normal"
    fish -c "set -U fish_pager_color_description B3A06D yellow"
    fish -c "set -U fish_pager_color_prefix normal --bold --underline"
    fish -c "set -U fish_pager_color_progress brwhite --background=cyan"
    fish -c "set -U fish_pager_color_selected_background --background=brblack"
    fish -c "set -U fish_color_option d3d0c8"
    fish -c "set -U fish_color_keyword 99cc99"
    # EXA colors
    fish -c "set -Ux EXA_COLORS 'di=1;36:da=35'"
    # Add aliases
    fish -c "abbr ls 'exa --git --icons -gl'"
    fish -c "abbr cp 'cp -rv'"
    fish -c "abbr rm 'rm -rf'"
    fish -c "abbr mgcc 'clear; gcc -Wall -Wextra -Wshadow -Wcast-align -Wstrict-prototypes -fanalyzer -fsanitize=undefined -g main.c && ./a.out; rm a.out 2> /dev/null'"
    fish -c "abbr vgcc 'clear; gcc -Wall -Wextra -Wshadow -Wcast-align -Wstrict-prototypes -fanalyzer -fsanitize=undefined -g main.c && valgrind --leak-check=full --show-leak-kinds=all --track-origins=yes -s ./a.out; rm a.out 2> /dev/null'"
    fish -c "abbr mg++ 'clear; g++ -Wall -Wextra -Wshadow -Wnon-virtual-dtor -pedantic -g -Wold-style-cast -Wsign-conversion main.cpp && ./a.out; rm a.out 2> /dev/null'"
    fish -c "abbr vg++ 'clear; g++ -Wall -Wextra -Wshadow -Wnon-virtual-dtor -pedantic -g -Wold-style-cast -Wsign-conversion main.cpp && valgrind --leak-check=full --show-leak-kinds=all --track-origins=yes -s ./a.out; rm a.out 2> /dev/null'"
    fish -c "abbr mmake 'clear; make && ./main; make clean 2> /dev/null'"
    fish -c "abbr vmake 'clear; make && valgrind --leak-check=full --show-leak-kinds=all --track-origins=yes -s ./main; make clean 2> /dev/null'"
    fish -c "abbr activate 'source bin/activate.fish'"
    fish -c "abbr c 'command'"
    fish -c "abbr vs 'code .'"
    fish -c "abbr untgz 'tar xvzf'"
    fish -c "abbr tgz 'tar czf \"Archive.tar.gz\"'"
    fish -c "abbr - 'cd -'"
    fish -c "abbr cd.. 'cd ..'"
    fish -c "abbr cat 'bat'"
    fish -c "abbr nano 'micro'"
    fish -c "abbr bigupdate 'yay -Syu --noconfirm && tldr --update && yes | sdk update && yes | sdk upgrade java'"
    fish -c "abbr d 'explorer.exe .'"
    fish -c "abbr gc 'git clone'"
    fish -c "abbr cl 'cat src/**.* | sed \'/^\s*$/d\' | wc -l'"
    fish -c "abbr mirrors_update \"curl -s 'https://archlinux.org/mirrorlist/?country=FR&country=GB&protocol=https&use_mirror_status=on' | sed -e 's/^#Server/Server/' -e '/^#/d' | sudo bash -c 'rankmirrors -n 7 - > /etc/pacman.d/mirrorlist' && sudo pacman -Syy\""
    fish -c "abbr ocamlbuild 'ocamlbuild -no-hygiene'"
    fish -c "abbr opamupdate 'opam update && opam upgrade -y'"
    fish -c "abbr yay-rebuild 'checkrebuild | awk \'{print \$2}\' | xargs -r yay -S --rebuildtree --noconfirm'"
    fish -c "abbr pacman-clean 'sudo pacman -Rsn \$(pacman -Qqtd) --noconfirm'"

    # === Micro configuration ==
    git config --global core.editor "micro"
    fish -c "set -Ux EDITOR micro"
    mkdir "$HOME"/.config/micro
    wget -q --show-progress https://git.kennel.ml/Anri/confOS/raw/branch/main/.config/micro/settings.json -O "$HOME"/.config/micro/settings.json
    micro -plugin install detectindent

    # === GL4D ==
    # Download, build and installation
    git clone https://github.com/noalien/GL4Dummies.git
    cd GL4Dummies || exit
    make -f Makefile.autotools
    ./configure
    make
    make install
    cd ..
    rm -rf GL4Dummies
    # Fix for shared libraries (https://stackoverflow.com/a/9395355)
    ldconfig
    # Add to path
    fish -c "set -Ua LD_LIBRARY_PATH /usr/local/lib"

    # === Sign commits ==
    git config --global commit.gpgsign true

    # === tldr ==
    cargo install tealdeer
    tldr --update
    # Fish completion
    local latest_tldr url_tldr
    latest_tldr=$(wget -qO- https://api.github.com/repos/dbrgn/tealdeer/releases/latest)
    url_tldr=$(grep 'browser_download_url": ".*/completions_fish"' <<< "$latest_tldr" | awk "{ print substr ($0, 32 ) }" | awk "{ print substr( $0, 1, length($0)-1 ) }")
    wget -q --show-progress "$url_tldr" -O completions_fish
    mv completions_fish ~/.config/fish/completions/tldr.fish

    # === Java ==
    curl -s "https://get.sdkman.io" | bash
    source "$HOME/.sdkman/bin/sdkman-init.sh"
    if [ -x "$HOME"/.config/fish ] ; then
        if [ ! -f "$HOME"/.config/fish/functions/fisher.fish ] ; then # install fisher if not already installed
            curl -sL https://git.io/fisher | fish -c "source && fisher install jorgebucaran/fisher"
        fi
        fish -c "fisher install reitzig/sdkman-for-fish"
    fi
    sdk install java 17.0.4.1-tem # https://whichjdk.com/#adoptium-eclipse-temurin
    yes | sdk upgrade java

    # === Manual color ==
    fish -c "set -Ux MANPAGER \"sh -c 'col -bx | bat -l man -p'\""

    # === Shared folders ==
    mkdir /mnt/y

    # === Git ==
    git config --global user.email "kennel.anri@tutanota.com"
    git config --global user.name "Mylloon"
    git config --global pull.rebase true
    git config --global init.defaultBranch main

    # === Python ==
    # Add PIP packages from Python
    fish -c "fish_add_path $HOME/.local/bin"

    # === OCaml ==
    # Init Opam and install stuff
    echo | opam init
    yes | opam init
    opam install -y utop ocaml-lsp-server ocamlformat ocamlformat-rpc
    wget -q https://git.kennel.ml/Anri/confOS/raw/branch/main/dotfiles/.ocamlformat -O "$HOME"/.ocamlformat
    # Add Opam packages from OCaml
    fish -c "fish_add_path $HOME/.opam/default/bin"
    # Fix dlllwt_unix_stubs.so shared object file
    fish -c "set -Ux CAML_LD_LIBRARY_PATH $(opam var stublibs)"

    # === Clang ==
    wget -q https://git.kennel.ml/Anri/confOS/raw/branch/main/dotfiles/.clang-format -O "$HOME"/.clang-format

    # === LaTeX ==
    # Pour latexindent
    sudo cpanm YAML::Tiny File::HomeDir

    # === Valgrind ==
    fish -c "set -Ux DEBUGINFOD_URLS https://debuginfod.archlinux.org"

    # === Unison ==
    wget -q https://git.kennel.ml/Anri/confOS/raw/branch/main/.unison/default.prf -O "$HOME"/.unison/default.prf

    # === Clear useless packages
    pacman -Rsn "$(pacman -Qqtd)" 2> /dev/null

    echo -e "\nInstallation terminée !\nIl faut redémarrer WSL (dans Powershell = wsl --shutdown)."
    echo -e "---\nPense bien à paramétrer ton terminal, exemple avec Windows Terminal :"
    echo    "- Ligne de commande = wsl.exe -d Arch fish"
    echo    "- Profils par défaut => Apparence :"
    echo    "   - Jeu de couleur = One Half Dark"
    echo    "   - Type de police = Caskaydia Cove Nerd Font Complete Mono Windows Compatible"
    echo    "                      (à télécharger ici : https://www.nerdfonts.com/font-downloads)"
}

if grep "WSL2" /proc/version > /dev/null;
then
    main "$@"
else
    echo "Ce script ne fonctionne que sur ArchWSL." >&2
fi