install-tui.sh

#!/bin/bash
# Copyright (C) 2025  pliski@q30.space
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

# install-tui.sh — symlink spaceapi-tui into ~/.local/bin and check
# that the runtime dependencies (gum, secret-tool, curl) are present.

set -eu

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
SOURCE="$SCRIPT_DIR/spaceapi-tui"
INSTALL_DIR="${INSTALL_DIR:-$HOME/.local/bin}"
TARGET="$INSTALL_DIR/spaceapi-tui"

RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m'

err()  { printf "${RED}✗ %s${NC}\n" "$*" >&2; }
warn() { printf "${YELLOW}! %s${NC}\n" "$*" >&2; }
ok()   { printf "${GREEN}✓ %s${NC}\n" "$*"; }

# ---- dependency check ------------------------------------------------------

install_hint() {
    local pkg_arch="$1" pkg_debian="$2" pkg_fedora="$3"
    if   command -v pacman  >/dev/null 2>&1; then echo "  sudo pacman -S $pkg_arch"
    elif command -v apt     >/dev/null 2>&1; then echo "  sudo apt install $pkg_debian"
    elif command -v dnf     >/dev/null 2>&1; then echo "  sudo dnf install $pkg_fedora"
    else echo "  (install $pkg_arch via your package manager)"
    fi
}

check_dep() {
    local cmd="$1" pkg_arch="$2" pkg_debian="$3" pkg_fedora="$4"
    if command -v "$cmd" >/dev/null 2>&1; then
        ok "$cmd found ($(command -v "$cmd"))"
        return 0
    fi
    err "$cmd not found"
    echo "  Install with:"
    install_hint "$pkg_arch" "$pkg_debian" "$pkg_fedora"
    return 1
}

missing=0
check_dep gum         gum         gum               gum               || missing=$((missing+1))
check_dep secret-tool libsecret   libsecret-tools   libsecret         || missing=$((missing+1))
check_dep curl        curl        curl              curl              || missing=$((missing+1))

if [ "$missing" -ne 0 ]; then
    err "$missing required dependency/dependencies missing — aborting."
    exit 1
fi

# Warn (don't fail) if no keyring daemon is detectable. The TUI will surface
# a clear error at first run if libsecret can't reach a backend.
if [ -z "${DBUS_SESSION_BUS_ADDRESS:-}" ]; then
    warn "DBUS_SESSION_BUS_ADDRESS is unset — a keyring daemon (gnome-keyring, KWallet, kwalletmanager) needs to be running for libsecret to work."
fi

# ---- install ---------------------------------------------------------------

if [ ! -x "$SOURCE" ]; then
    chmod +x "$SOURCE"
fi

mkdir -p "$INSTALL_DIR"

if [ -L "$TARGET" ] && [ "$(readlink -f "$TARGET")" = "$(readlink -f "$SOURCE")" ]; then
    ok "Already installed: $TARGET → $SOURCE"
else
    ln -sf "$SOURCE" "$TARGET"
    ok "Installed symlink: $TARGET → $SOURCE"
fi

case ":$PATH:" in
    *":$INSTALL_DIR:"*) ok "$INSTALL_DIR is on PATH" ;;
    *) warn "$INSTALL_DIR is not on PATH — add it to your shell rc to run 'spaceapi-tui' from anywhere" ;;
esac

ok "Done. Run: spaceapi-tui"