#!/usr/bin/env bash
set -euo pipefail
ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
source "$ROOT/lib.sh"

need_cmd brew

#──────────────────────────────────────────────────────────────
# STATE: Formulae to install
#──────────────────────────────────────────────────────────────
FORMULAE=(
  bash
  bash-completion@2
  curl
  git                      
  neovim
  trash
  mise
  direnv
  protonpass/tap/pass-cli
  ripgrep
  fd
  git-delta
  eza
  stow
  starship
  anomalyco/tap/opencode
  jq                           
  gum
  viu
  podman
  podman-compose
  ffmpeg
  ramonvermeulen/whosthere/whosthere
)

#──────────────────────────────────────────────────────────────
# LOGIC: Idempotent convergence (strict mode)
#──────────────────────────────────────────────────────────────

log "Updating Homebrew"
brew update
brew upgrade || true

log "Syncing formulae (strict mode)"

# Get currently installed (only explicitly requested)
mapfile -t installed < <(brew list --formula --installed-on-request 2>/dev/null || true)

# Install missing
for formula in "${FORMULAE[@]}"; do
  name="${formula##*/}"
  if ! brew list --formula "$name" &>/dev/null; then
    log "Installing: $formula"
    brew install "$formula"
  else
    log "Already installed: $name"
  fi
done

# Remove extras (strict convergence)
for pkg in "${installed[@]}"; do
  [[ -z "$pkg" ]] && continue
  keep=false
  for formula in "${FORMULAE[@]}"; do
    [[ "${formula##*/}" == "$pkg" ]] && keep=true && break
  done
  if [[ "$keep" == "false" ]]; then
    log "Removing: $pkg (not in state)"
    brew uninstall "$pkg"
  fi
done

brew cleanup
log "Formulae synced"

# Configure Podman as Docker replacement
if command -v podman &>/dev/null; then
  log "Creating Docker symlink for Podman"
  sudo ln -sf "$(which podman)" /usr/local/bin/docker
  log "Docker symlink created"
fi