#!/usr/bin/env bash
# Build release archives for macOS (x86_64 and aarch64).
#
# Usage:
#   ./scripts/build-release-macos.sh [VERSION]
#
# If VERSION is not provided, it is read from Cargo.toml.
# Set GITEA_TOKEN (and optionally GITEA_SERVER_URL / GITEA_REPOSITORY)
# to upload the archives to a Gitea release automatically.
# These can be provided via scripts/.env.

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
REPO_ROOT="$(cd "${SCRIPT_DIR}/.." && pwd)"

# Load .env if present (existing env vars take precedence)
if [[ -f "${SCRIPT_DIR}/.env" ]]; then
  while IFS='=' read -r key value; do
    [[ "${key}" =~ ^#.*$ || -z "${key}" ]] && continue
    key="${key%%[[:space:]]}"
    value="${value##[[:space:]]}"
    [[ -z "${!key+x}" ]] && export "${key}=${value}"
  done < "${SCRIPT_DIR}/.env"
fi

# Determine version
if [[ $# -ge 1 ]]; then
  VERSION="$1"
else
  VERSION="$(grep -m1 '^version' "${REPO_ROOT}/Cargo.toml" | sed 's/.*= *"\(.*\)"/\1/')"
fi

TAG="v${VERSION}"
TARGETS=(x86_64-apple-darwin aarch64-apple-darwin)

cd "${REPO_ROOT}"

echo "==> Building mdrs ${VERSION} for macOS"

ARCHIVES=()
for TARGET in "${TARGETS[@]}"; do
  echo "--- Target: ${TARGET}"
  rustup target add "${TARGET}"
  cargo build --release --target "${TARGET}"

  ARCHIVE="mdrs-${VERSION}-${TARGET}.tar.gz"
  tar -czf "${ARCHIVE}" -C "target/${TARGET}/release" mdrs
  ARCHIVES+=("${ARCHIVE}")
  echo "    Created: ${ARCHIVE}"
done

echo ""
echo "==> Archives ready:"
for A in "${ARCHIVES[@]}"; do echo "    ${A}"; done

# Upload to Gitea if token is provided
if [[ -z "${GITEA_TOKEN:-}" ]]; then
  echo ""
  echo "GITEA_TOKEN not set — skipping upload."
  echo "Set GITEA_TOKEN (and GITEA_SERVER_URL, GITEA_REPOSITORY) in scripts/.env to enable upload."
  exit 0
fi

: "${GITEA_SERVER_URL:?GITEA_SERVER_URL is required for upload}"
: "${GITEA_REPOSITORY:?GITEA_REPOSITORY is required for upload}"

echo ""
echo "==> Creating Gitea release ${TAG} ..."
curl -sf -X POST \
  -H "Authorization: Bearer ${GITEA_TOKEN}" \
  -H "Content-Type: application/json" \
  "${GITEA_SERVER_URL}/api/v1/repos/${GITEA_REPOSITORY}/releases" \
  -d "{\"tag_name\": \"${TAG}\", \"name\": \"${TAG}\"}" > /dev/null || true

RELEASE_ID="$(curl -sf \
  -H "Authorization: Bearer ${GITEA_TOKEN}" \
  "${GITEA_SERVER_URL}/api/v1/repos/${GITEA_REPOSITORY}/releases/tags/${TAG}" \
  | python3 -c 'import sys,json; print(json.load(sys.stdin)["id"])')"

echo "==> Uploading assets (release id: ${RELEASE_ID}) ..."
for ARCHIVE in "${ARCHIVES[@]}"; do
  echo "    Uploading ${ARCHIVE} ..."
  curl -sf -X POST \
    -H "Authorization: Bearer ${GITEA_TOKEN}" \
    -F "attachment=@${ARCHIVE}" \
    "${GITEA_SERVER_URL}/api/v1/repos/${GITEA_REPOSITORY}/releases/${RELEASE_ID}/assets" > /dev/null
  echo "    Done."
done

echo ""
echo "==> Upload complete: ${GITEA_SERVER_URL}/${GITEA_REPOSITORY}/releases/tag/${TAG}"