INSTALL

#!/bin/bash
set -e

cd "$(dirname "$0")"

IS_INSTALLED_FILE="$HOME/.config/sshmgr/is_installed"

if [ -f "$IS_INSTALLED_FILE" ]; then
  echo "sshmgr is already installed! Have fun!"
  exit 0
fi

echo "checking dependencies..."

missing=""
for cmd in fzf jq; do
  if ! command -v "$cmd" &>/dev/null; then
    missing="$missing $cmd"
  fi
done

if [ -n "$missing" ]; then
  echo "missing required dependencies:$missing"
  echo "install them first, e.g.:"
  echo "  macOS:         brew install fzf jq fping"
  echo "  Debian/Ubuntu: sudo apt-get install fzf jq fping"
  exit 1
fi
echo "required dependencies (fzf, jq) found."

if ! command -v fping &>/dev/null; then
  echo "warning: fping is not installed - 'sshmgr -p' and the online status preview will not work."
fi

if [ -z "$EDITOR" ]; then
  echo "warning: \$EDITOR is not set - 'sshmgr -e' needs it (e.g. export EDITOR=nano)."
fi

# creating config directory and empty hosts file
echo "creating config directory in $HOME/.config/sshmgr ..."
mkdir -p "$HOME/.config/sshmgr"

if [ ! -f "$HOME/.config/sshmgr/known_hosts.json" ]; then
  echo "creating empty hosts file..."
  printf '{\n  "hosts": []\n}\n' >"$HOME/.config/sshmgr/known_hosts.json"
  echo "this file can be edited later with sshmgr -e or sshmgr --edit"
fi

# installing sshmgr.sh to $HOME/.local/bin/sshmgr/
echo "installing sshmgr.sh to $HOME/.local/bin/sshmgr/ ..."
mkdir -p "$HOME/.local/bin/sshmgr"
cp "sshmgr.sh" "$HOME/.local/bin/sshmgr/"

# the manual page, into the user local man directory
echo "installing the manual page ..."
mkdir -p "$HOME/.local/share/man/man1"
cp "sshmgr.1" "$HOME/.local/share/man/man1/"

# man only looks there when the path is exported
if ! grep -q 'MANPATH' "$HOME/.bashrc" 2>/dev/null; then
  echo 'export MANPATH="$HOME/.local/share/man:${MANPATH:-}"' >>"$HOME/.bashrc"
  echo "added MANPATH to .bashrc, so 'man sshmgr' finds it"
else
  echo "MANPATH already set in .bashrc, make sure it includes \$HOME/.local/share/man"
fi

# adding alias to .bashrc in home directory
if ! grep -q 'alias sshmgr=' "$HOME/.bashrc" 2>/dev/null; then
  echo "adding alias to .bashrc ..."
  echo 'alias sshmgr="bash $HOME/.local/bin/sshmgr/sshmgr.sh"' >>"$HOME/.bashrc"
else
  echo "alias already present in .bashrc, skipping."
fi

touch "$IS_INSTALLED_FILE"

echo "Installation complete!"
echo "You can now remove the cloned directory."
echo "note that you need to reopen the terminal (or run 'source ~/.bashrc') to apply"