#!/usr/bin/env bash
# =============================================================================
#  run_once_10-add-chaotic-aur.sh.tmpl  (arch-only)
#  Add Chaotic-AUR repo + keyring to pacman, then install paru from there.
#  Reference: https://aur.chaotic.cx/docs
#
#  Steps from chaotic docs:
#    1. Get and sign the key
#    2. Install chaotic-keyring + chaotic-mirrorlist
#    3. Append repo to /etc/pacman.conf
#
#  Body is wrapped in an os_family conditional: this script is a no-op on
#  debian (or anything non-arch).
# =============================================================================
set -euo pipefail

log() { printf '\033[1;34m[chaotic]\033[0m %s\n' "$*"; }
die() { printf '\033[1;31m[chaotic ERROR]\033[0m %s\n' "$*" >&2; exit 1; }

# This script runs as the invoking user; sudo handles elevation for pacman
# and pacman-key operations below.

{{ if eq .os_family "arch" -}}
if command -v paru >/dev/null 2>&1; then
    log "paru already installed — skipping chaotic setup"
    exit 0
fi

# Chaotic's official bootstrap.
log "fetching chaotic key (3056513887B78AEB)"
sudo pacman-key --recv-key 3056513887B78AEB
sudo pacman-key --lsign-key 3056513887B78AEB

log "installing chaotic-keyring and chaotic-mirrorlist"
sudo pacman -U --noconfirm \
    'https://cdn-mirror.chaotic.cx/chaotic-aur/chaotic-keyring.pkg.tar.zst' \
    'https://cdn-mirror.chaotic.cx/chaotic-aur/chaotic-mirrorlist.pkg.tar.zst'

# Append chaotic repo to pacman.conf if not already present
if ! sudo grep -q "^\[chaotic-aur\]" /etc/pacman.conf; then
    log "appending chaotic-aur to /etc/pacman.conf"
    sudo tee -a /etc/pacman.conf >/dev/null <<'PACMAN_EOF'

[chaotic-aur]
Include = /etc/pacman.d/chaotic-mirrorlist
PACMAN_EOF
else
    log "chaotic-aur already in /etc/pacman.conf"
fi

log "full system sync with chaotic enabled"
sudo pacman -Syu --noconfirm

log "installing paru from chaotic-aur"
sudo pacman -S --needed --noconfirm paru

log "chaotic-aur + paru ready"
paru --version
{{ else -}}
# Not an arch-base box — nothing to do.
log "skipping chaotic-aur setup (os_family={{ .os_family }}, not arch)"
{{ end -}}