#!/usr/bin/env bash
set -euo pipefail

ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
REF="${ZOLA386_REF:-d9c9726435d1347341f2171f9aa751291f1db93d}"
DEST="$ROOT/themes/zola.386"
SOURCE="${ZOLA386_SOURCE:-}"
TMP=""

cleanup() {
  if [[ -n "$TMP" && -d "$TMP" ]]; then
    rm -rf "$TMP"
  fi
}
trap cleanup EXIT

if [[ -z "$SOURCE" ]]; then
  TMP="$(mktemp -d)"
  SOURCE="$TMP/source"
  git init -q "$SOURCE"
  git -C "$SOURCE" remote add origin https://github.com/lopes/zola.386.git
  git -C "$SOURCE" fetch -q --depth 1 origin "$REF"
  git -C "$SOURCE" checkout -q --detach FETCH_HEAD
else
  SOURCE="$(cd "$SOURCE" && pwd)"
fi

for required in sass static theme.toml; do
  if [[ ! -e "$SOURCE/$required" ]]; then
    echo "Falta $required en el tema fuente: $SOURCE" >&2
    exit 1
  fi
done

rm -rf "$DEST"
mkdir -p "$DEST"
mkdir -p "$DEST/templates"
cp -R "$SOURCE/sass" "$DEST/sass"
cp -R "$SOURCE/static" "$DEST/static"
cp "$SOURCE/theme.toml" "$DEST/theme.toml"
[[ -f "$SOURCE/LICENSE" ]] && cp "$SOURCE/LICENSE" "$DEST/LICENSE"
[[ -f "$SOURCE/README.md" ]] && cp "$SOURCE/README.md" "$DEST/UPSTREAM_README.md"
printf '%s\n' "$REF" > "$DEST/.upstream-revision"

# Ninguna plantilla local referencia el JS/iconos/fuentes DOS del tema, y
# static/ se publica tal cual junto al sitio: sin podarlo, ~65% del build
# es peso muerto. compile_sass solo necesita los 3 CSS que importa
# site.scss, así que se mueven fuera de static/ (a vendor/, que Zola no
# copia) y el resto de static/ se descarta.
mkdir -p "$DEST/vendor/css"
mv "$DEST/static/css/bootstrap.css" "$DEST/static/css/bootstrap-responsive.css" "$DEST/static/css/style.css" "$DEST/vendor/css/"
sed -i 's#\.\./static/css/#../vendor/css/#g' "$DEST/sass/site.scss"
rm -rf "$DEST/static"
mkdir -p "$DEST/static"

cat <<MSG
Tema zola.386 preparado en themes/zola.386
Revisión fijada: $REF
Se conservaron Sass y archivos estáticos; las plantillas locales modernas tienen precedencia.
static/ podado a solo lo necesario para compile_sass (sin JS/iconos/fuentes sin referenciar).
MSG