#!/usr/bin/env bash
# ============================================================================
# build-end4-deps.sh — Build ALL end-4 (illogical-impulse) AUR dependencies
#
# This script builds every AUR package required by the end-4 dots-hyprland
# dotfiles that is NOT in the official Arch repos or chaotic-aur.
#
# It uses --noconfirm throughout so the entire run is non-interactive.
#
# Usage:
#   ./localrepo/build-end4-deps.sh            # build all
#   ./localrepo/build-end4-deps.sh --quick    # skip large AUR pkgs (use existing)
#
# After building, run ./localrepo/update.sh to refresh the repo database.
# ============================================================================
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
REPO_DIR="${SCRIPT_DIR}"
WORK_DIR=$(mktemp -d /tmp/end4-build.XXXXXX)
SKIP_LARGE=false

for arg in "$@"; do
  case "$arg" in
    --quick) SKIP_LARGE=true ;;
  esac
done

# ── colours ──────────────────────────────────────────────────────────────────
RED='\033[0;31m'; GREEN='\033[0;32m'; YELLOW='\033[1;33m'; CYAN='\033[0;36m'; NC='\033[0m'
info()  { echo -e "${CYAN}[INFO]${NC}  $*"; }
ok()    { echo -e "${GREEN}[OK]${NC}    $*"; }
warn()  { echo -e "${YELLOW}[WARN]${NC}  $*"; }
fail()  { echo -e "${RED}[FAIL]${NC}  $*"; }

# ── helper: build a single AUR package ───────────────────────────────────────
build_aur_pkg() {
  local pkg="$1"
  local src_url="https://aur.archlinux.org/cgit/aur.git/snapshot/${pkg}.tar.gz"
  local pkg_dir="${WORK_DIR}/${pkg}"

  info "Building AUR package: ${pkg}"
  mkdir -p "${pkg_dir}"
  if ! curl -fsSL "${src_url}" | tar xz -C "${WORK_DIR}"; then
    fail "Failed to download ${pkg}"; return 1
  fi
  if ! (cd "${pkg_dir}" && makepkg -sfi --noconfirm --cleanbuild); then
    fail "Failed to build ${pkg}"; return 1
  fi
  # Move built packages to localrepo
  find "${pkg_dir}" -maxdepth 1 -name '*.pkg.tar.zst' -exec mv -f {} "${REPO_DIR}/" \;
  ok "Built: ${pkg}"
  return 0
}

# ── helper: build from a local PKGBUILD directory ────────────────────────────
build_local_pkgbuild() {
  local pkg_dir="$1"
  local pkg_name
  pkg_name=$(basename "${pkg_dir}")

  if ls "${REPO_DIR}"/illogical-impulse-"${pkg_name}"-*.pkg.tar.zst 1>/dev/null 2>&1; then
    info "Package already exists in localrepo, skipping: ${pkg_name}"
    return 0
  fi

  info "Building local PKGBUILD: ${pkg_name}"
  if ! (cd "${pkg_dir}" && makepkg -sfi --noconfirm --cleanbuild); then
    fail "Failed to build ${pkg_name}"; return 1
  fi
  find "${pkg_dir}" -maxdepth 1 -name '*.pkg.tar.zst' -exec mv -f {} "${REPO_DIR}/" \;
  ok "Built: ${pkg_name}"
  return 0
}

# ============================================================================
# 1. Build end-4 metapackages from local PKGBUILDs
# ============================================================================
info "═══ Step 1: Building end-4 metapackages ═══"
for pkg_dir in "${SCRIPT_DIR}"/end4-pkgbuilds/*/; do
  build_local_pkgbuild "${pkg_dir}" || true
done

# ============================================================================
# 2. Build AUR dependencies required by end-4
# ============================================================================
info "═══ Step 2: Building AUR dependencies ═══"

# ── Theming & appearance ─────────────────────────────────────────────────────
AUR_THEMING=(
  adw-gtk-theme-git
  darkly-bin
  ttf-material-symbols-variable-git
  ttf-readex-pro
  ttf-rubik-vf
  ttf-twemoji
  otf-space-grotesk
  kde-material-you-colors-git
)

# ── end-4 specific / build-from-source packages ──────────────────────────────
# matugen — material you color generation tool
# speech-dispatcher — may need AUR build on some setups
AUR_TOOLS=(
  matugen
  python-rpypostprocess
  tts
)

# ── Packages not in any standard repo ────────────────────────────────────────
AUR_MISSING=(
  asciinema-agg
  davs2
  syncthingtray-qt6
  varia
  woeusb-ng
  ttf-ms-fonts
)

# ── Large / complex builds (skipped with --quick) ────────────────────────────
AUR_LARGE=(
  # quickshell is already built from end4-pkgbuilds above
)

# ── Run builds ───────────────────────────────────────────────────────────────
FAILED=()

for pkg in "${AUR_THEMING[@]}" "${AUR_TOOLS[@]}" "${AUR_MISSING[@]}"; do
  build_aur_pkg "${pkg}" || FAILED+=("${pkg}")
done

if [[ "${SKIP_LARGE}" == false ]]; then
  for pkg in "${AUR_LARGE[@]}"; do
    build_aur_pkg "${pkg}" || FAILED+=("${pkg}")
  done
fi

# ============================================================================
# 3. Build end-4 setup script dependencies (from dots-hyprland/setup)
# ============================================================================
info "═══ Step 3: Building end-4 setup helper packages ═══"

DOTS_DIR="${HOME}/dots-hyprland"
if [[ -d "${DOTS_DIR}" ]]; then
  # Build any remaining metapackages from the dist-arch directory
  for pkg_dir in "${DOTS_DIR}"/sdata/dist-arch/illogical-impulse-*/; do
    pkg_name=$(basename "${pkg_dir}")
    # Skip the ones we already built above
    if ls "${REPO_DIR}"/illogical-impulse-"${pkg_name#illogical-impulse-}"-*.pkg.tar.zst 1>/dev/null 2>&1; then
      info "Already built, skipping: ${pkg_name}"
      continue
    fi
    # Only build packages that have a PKGBUILD (metapackages with depends=())
    if [[ -f "${pkg_dir}/PKGBUILD" ]]; then
      info "Building from dots-hyprland: ${pkg_name}"
      (cd "${pkg_dir}" && makepkg -sfi --noconfirm --cleanbuild) || {
        warn "Failed to build ${pkg_name} from dots-hyprland, skipping"
        continue
      }
      find "${pkg_dir}" -maxdepth 1 -name '*.pkg.tar.zst' -exec mv -f {} "${REPO_DIR}/" \;
      ok "Built: ${pkg_name}"
    fi
  done
else
  warn "dots-hyprland not found at ${DOTS_DIR}, skipping dist-arch builds"
fi

# ============================================================================
# 4. Refresh local repository database
# ============================================================================
info "═══ Step 4: Refreshing local repository database ═══"

bash "${SCRIPT_DIR}/update.sh"

# ============================================================================
# 5. Cleanup & summary
# ============================================================================
rm -rf "${WORK_DIR}"

echo ""
echo "═══════════════════════════════════════════════════════════════"
if [[ ${#FAILED[@]} -gt 0 ]]; then
  warn "Build completed with ${#FAILED[@]} failures:"
  for f in "${FAILED[@]}"; do
    echo "  ✗ ${f}"
  done
  echo ""
  echo "The following packages were built successfully into localrepo:"
else
  ok "All builds completed successfully!"
fi

echo ""
echo "Packages in localrepo:"
ls -1 "${REPO_DIR}"/*.pkg.tar.zst 2>/dev/null | while read -r p; do
  echo "  ✓ $(basename "${p}")"
done
echo "═══════════════════════════════════════════════════════════════"