#!/usr/bin/env bash
#
# Build a distributable WordPress plugin zip.
#
# Produces dist/<slug>-<version>.zip containing a single top-level <slug>/
# folder, ready to upload via wp-admin → Plugins → Add New → Upload Plugin.
#
# The package ships only runtime files plus an optimised, production
# (no-dev) Composer autoloader — tests, tooling configs, docs, and dev
# dependencies are excluded.

set -euo pipefail

SLUG="unsupervised-schedular"
ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
MAIN="$ROOT/$SLUG.php"
BUILD_DIR="$ROOT/build"
STAGE="$BUILD_DIR/$SLUG"
DIST_DIR="$ROOT/dist"

# Runtime files/directories to ship (relative to repo root).
INCLUDE=(
	"$SLUG.php"
	"uninstall.php"
	"composer.json"
	"src"
	"templates"
	"assets"
	"languages"
)

command -v composer >/dev/null 2>&1 || { echo "composer is required" >&2; exit 1; }
command -v zip >/dev/null 2>&1 || { echo "zip is required" >&2; exit 1; }

# Read the version from the plugin header so the zip is named per release.
VERSION="$(sed -nE 's/^[[:space:]]*\*?[[:space:]]*Version:[[:space:]]*([^[:space:]]+).*/\1/p' "$MAIN" | head -1)"
VERSION="${VERSION:-0.0.0}"

echo "Building $SLUG $VERSION..."

rm -rf "$BUILD_DIR"
mkdir -p "$STAGE" "$DIST_DIR"

for item in "${INCLUDE[@]}"; do
	if [ -e "$ROOT/$item" ]; then
		cp -R "$ROOT/$item" "$STAGE/"
	fi
done

# Generate a production autoloader inside the staged copy.
( cd "$STAGE" && composer install --no-dev --optimize-autoloader --no-interaction --no-progress --quiet )

# Composer metadata is not needed in the shipped plugin.
rm -f "$STAGE/composer.json" "$STAGE/composer.lock"

ZIP="$DIST_DIR/$SLUG-$VERSION.zip"
rm -f "$ZIP"
( cd "$BUILD_DIR" && zip -rq "$ZIP" "$SLUG" -x '*.DS_Store' )

echo "Built $ZIP"