#!/bin/bash
# check-versions.sh — Compare pinned versions in Dockerfile against latest releases
# Run before tagging a release to see what can be bumped.
set -euo pipefail

BOLD="\033[1m"; DIM="\033[2m"; GREEN="\033[32m"; YELLOW="\033[33m"; RESET="\033[0m"

DOCKERFILE="${1:-Dockerfile}"

if [[ ! -f "$DOCKERFILE" ]]; then
  echo "Usage: $0 [Dockerfile]"
  exit 1
fi

get_pinned() {
  grep "^ARG $1=" "$DOCKERFILE" | head -1 | cut -d= -f2
}

get_latest_github() {
  local repo="$1"
  local tag
  tag=$(curl -s "https://api.github.com/repos/${repo}/releases/latest" | jq -r '.tag_name // empty')
  # Strip leading 'v' if present
  echo "${tag#v}"
}

get_latest_go() {
  curl -s "https://go.dev/dl/?mode=json" | jq -r '.[0].version' | sed 's/^go//'
}

get_latest_npm() {
  npm view "$1" version 2>/dev/null
}

check() {
  local name="$1" current="$2" latest="$3"
  if [[ -z "$latest" ]]; then
    printf "  ${DIM}%-20s %-12s  (could not check)${RESET}\n" "$name" "$current"
  elif [[ "$current" == "$latest" ]]; then
    printf "  ${GREEN}%-20s %-12s  ✓ up to date${RESET}\n" "$name" "$current"
  else
    printf "  ${YELLOW}${BOLD}%-20s %-12s  → %s available${RESET}\n" "$name" "$current" "$latest"
  fi
}

echo ""
echo -e "${BOLD}Version check for $DOCKERFILE${RESET}"
echo ""

# GitHub-sourced binaries
check "opencode"  "$(get_pinned OPENCODE_VERSION)" "$(get_latest_npm opencode-ai)"
check "gosu"      "$(get_pinned GOSU_VERSION)"      "$(get_latest_github tianon/gosu)"
check "fzf"       "$(get_pinned FZF_VERSION)"        "$(get_latest_github junegunn/fzf)"
check "git-lfs"   "$(get_pinned GIT_LFS_VERSION)"    "$(get_latest_github git-lfs/git-lfs)"
check "neovim"    "$(get_pinned NVIM_VERSION)"        "$(get_latest_github neovim/neovim)"
check "bat"       "$(get_pinned BAT_VERSION)"         "$(get_latest_github sharkdp/bat)"
check "eza"       "$(get_pinned EZA_VERSION)"         "$(get_latest_github eza-community/eza)"
check "zoxide"    "$(get_pinned ZOXIDE_VERSION)"      "$(get_latest_github ajeetdsouza/zoxide)"
check "uv"        "$(get_pinned UV_VERSION)"          "$(get_latest_github astral-sh/uv)"
check "Go (opt)"  "$(get_pinned GO_VERSION)"          "$(get_latest_go)"

echo ""
echo -e "${DIM}Node.js uses major version ($(get_pinned NODE_VERSION)) — auto-updates via nodesource.${RESET}"
echo -e "${DIM}rustup-init uses latest from static.rust-lang.org — no pinned version.${RESET}"
echo -e "${DIM}Debian apt packages update on each build via apt-get update.${RESET}"
echo ""