installs/ly.sh

{
  #!/usr/bin/env bash

  # ─< Check if the given command exists silently >─────────────────────────────────────────
  command_exists() {
    command -v "$@" >/dev/null 2>&1
  }

  getImports() {
    local url="$1"
    local import="$(mktemp)"
    if command_exists curl; then
      curl -fsSL $url -o $import
    elif command_exists wget; then
      wget -O $import $url
    else
      echo "curl/wget is required, but missing.."
      exit 69
    fi

    source "$import"

    echo "${BLUE}Sourcing external script:${NC} $url"

    sleep 0.1
    rm -f "$import"
  }

  setup-env() {
    # WHY:
    # This import will give you the following variables:
    # _sudo="sudo -E" <- only if non root user
    # distro = <distro name, like 'arch', 'debian', 'fedora'..>
    # arch = bool
    # fedora = bool
    # opensuse =  bool....
    # You can then use it for, `if $arch; then`
    # Also this gives you the _install command, which installs a package pased on the packagemanager/distro used.
    #
    # CAUTION:
    # This only wokrs for generic package names, like neovim, or vim, or tmux etc..
    # not every package packagemanager has the same packagenames for their packages..
    #
    # local beddu=https://git.k4li.de/scripts/beddu/raw/branch/main/dist/beddu.sh
    # local pika=https://git.k4li.de/scripts/imports/raw/branch/main/distros.sh
    # dream ~= combined beddu and pika
    local dream=https://git.k4li.de/scripts/imports/raw/branch/main/dream.sh

    if ! command_exists pkg-install && ! command_exists check-and-install && ! command_exists pen; then
      getImports $dream
    fi
  }

  getDependencies() {
    # INFO:
    # ╭─────────────────────────────────────────────────────────────────────────╮
    # │ You can define dependencies for various linux distros here. It will     │
    # │ automagically be pulled via the $pkgArray[$distro] variable             │
    # ╰─────────────────────────────────────────────────────────────────────────╯
    generalDeps=(
      git
      wget
    )

    depsDebian=(
      build-essential
      libpam0g-dev
      libxcb-xkb-dev
    )
    # depsUbuntu=()
    depsFedora=(
      kernel-devel
      pam-devel
      libxcb-devel
      zig
    )
    # depsOpensuse=()
    # depsArch=()
    # depsAlpine=()

    declare -A deps=(
      [debian]="depsDebian"
      [ubuntu]="depsDebian"
      [fedora]="depsFedora"
      # [arch]="depsArch"
      # [alpine]="depsAlpine"
      # [opensuse]="depsOpensuse"
    )

    # INFO:
    # ╭────────────────────────────────────────────────────────────────╮
    # │ This variable stores the packages you provided for each distro │
    # ╰────────────────────────────────────────────────────────────────╯
    declare -n pkgArray="${deps[$distro]}"

    pkgArray="${pkgArray[@]} ${generalDeps[@]}"

    case "$distro" in
    debian | ubuntu | arch | fedora | alpine | opensuse)
      check-and-install ${pkgArray[@]}
      ;;
    *)
      pen bold yellow "There are no dependencies to install for $distro"
      return 0
      ;;
    esac
  }

  check-zig-path() {
    if ! command_exists zig; then
      export PATH="$ZIG_PATH:$PATH"
    else
      check-zig
    fi
  }

  check-zig() {
    if command_exists zig; then
      local version_needed version_current

      version_needed=0.14.0
      version_current=$(zig version)

      if [ "$version_current" != "$version_needed" ]; then
        throw "Version missmatch, you have $version_current, needed is $version_needed"
        return 69
      fi

      # return no exit code if zig version is correct
      return 0
    else
      return 69
    fi
  }

  get-zig() {
    local err out zigInstallPath arch url zigtemp zigBinPath tarfile

    arch=$(uname -m)
    url="https://ziglang.org/download/0.14.0/zig-linux-${arch}-0.14.0.tar.xz"
    zigtemp=$(mktemp -d)
    zigBinPath="zig-0.14.0"
    tarfile=*.tar.xz

    spin bold blue "Getting zig 0.14.0 from $url.."

    if [ -d "$HOME/.bin" ]; then
      zigInstallPath="$HOME/.bin"
    else
      zigInstallPath="$HOME/.local/bin"
    fi

    cd "$zigtemp" || mkdir -p "$zigtemp" && cd "$zigtemp" || exit 0

    if run --err err --out out wget "$url"; then
      upclear
      check bold green "zig download complete!"
    else
      upclear
      throw bold red "${out:-}"
      echo-error "${err:-}"
    fi

    spin grey "Extracting archive.."

    # representing the whole zig path
    local zig="${zigInstallPath}/${zigBinPath}"

    [[ ! -d "$zig" ]] && mkdir -p "$zig"

    if run --err err --out out tar --strip-components=1 -xJf $tarfile -C "$zig"; then
      upclear
      check bold green "Archive extracted!"
    else
      upclear
      throw bold red "${out:-}"
      echo-error "${err:-}"
    fi

    # line
    # pen bold green "ZIG_PATH=$zig"
    # line

    [[ -d "$zig" ]] && ZIG_PATH="$zig" || throw bold red "Something went terribly wrong!"

    check-zig-path
  }

  get-ly() {
    local url tempdir err out

    url="https://codeberg.org/AnErrupTion/ly"
    tempdir=$(mktemp -d)

    spin bold yellow "Cloning ly from $url.."
    cd $tempdir || mkdir -p $tempdir && cd $tempdir

    if run --err err --out ou git clone --depth=1 $url; then
      upclear
      check "Cloned ly"
    else
      upclear
      pen bold red "Cloning ly failed hard!"
      throw bold red "${out:-}"
      echo-error "${err:-}"
      return 69
    fi

    cd ly || echo-error "cannot cd into ly"
  }

  build-ly() {
    build-error() {
      upclear
      pen bold red "Could not build ly!"
      throw bold red "${out:-}"
      echo-error "${err:-}"
      return 69
    }

    spin bold blue "Building ly with zig.."

    # zig init

    if run --err err --out out zig build; then
      # if run --err err --out out zig build installexe; then
      check "."
      if zig build installexe; then
        upclear
        check "Build ly with zig successfully!"
      else
        build-error
      fi
    else
      build-error
    fi
  }

  main() {
    if $silent; then
      pen yellow "ARG: Executing script silently!"
    fi

    case "$distro" in
    arch | ubuntu | debian | fedora)
      if ! getDependencies; then
        throw "Error when installing dependencies.."
      fi

      if ! check-zig; then
        get-zig
      fi

      get-ly
      build-ly

      if command_exists ly; then
        line
        check "Installed ly successfully!"
      fi
      ;;
    *)
      echo "$distro is not supported by this script!"
      exit 1
      ;;
    esac
  }

  if setup-env; then
    # ─< package variable >───────────────────────────────────────────────────────────────────
    unset PACKAGE

    # ─< argument list variables >────────────────────────────────────────────────────────────
    silent=false

    sleep 0.1

    PACKAGE=ly
    if command_exists "$PACKAGE"; then
      pen bold yellow "$PACKAGE is already installed!"
      pen bold yellow "Exiting now!"
      exit 69
    fi

    # ─< parse arguments and get variable contents >──────────────────────────────────────────
    for arg in "$@"; do
      case "$arg" in
      --silent | -s)
        export silent=true
        ;;
      esac
    done

    main
  fi
}